/* ========== CSS Variables ========== */
:root {
    /* Brand Colors - Purple Gradient Theme */
    --primary-purple: #6B46C1;
    --primary-dark: #553C9A;
    --primary-light: #9333EA;
    --accent-pink: #EC4899;
    --accent-purple: #A855F7;
    
    /* Gradient Backgrounds */
    --gradient-main: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    --gradient-purple: linear-gradient(135deg, #6B46C1 0%, #EC4899 100%);
    --gradient-dark: linear-gradient(180deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --gradient-card: linear-gradient(135deg, rgba(107, 70, 193, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
    
    /* Neutral Colors */
    --white: #FFFFFF;
    --black: #000000;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 20px rgba(147, 51, 234, 0.3);
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    --vh: 1vh;
}

/* ========== MOBILE RESPONSIVENESS FIXES ========== */

/* FIXED Mobile scaling - NO ZOOM, NO EXTRA SPACES */
@media screen and (max-width: 767px) {
    :root {
        font-size: 12px; /* Smaller base font size */
        --spacing-xs: 0.2rem;
        --spacing-sm: 0.4rem;
        --spacing-md: 0.6rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.4rem;
        --spacing-2xl: 2rem;
        --spacing-3xl: 2.5rem;
    }
    
    html {
        width: 100vw;
        overflow-x: hidden;
        -webkit-text-size-adjust: none;
    }
    
    body {
        width: 100vw;
        max-width: 100vw;
        overflow-x: hidden;
        font-size: 12px; /* Smaller font makes everything appear smaller */
        margin: 0;
        padding: 0;
    }
    
    /* NO TRANSFORM, NO ZOOM - Just smaller elements */
    * {
        box-sizing: border-box;
        max-width: 100vw;
    }
}

/* Mobile viewport fix */
@supports (-webkit-touch-callout: none) {
    .app-container {
        min-height: -webkit-fill-available;
    }
}

/* ========== Reset & Base Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    height: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--white);
    
    /* Single background implementation */
    background: var(--gradient-main);
    background-image: url('/static/images/background.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    
    min-height: 100vh;
    height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
}

/* Dark overlay for text readability */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    pointer-events: none;
    z-index: -1;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--accent-purple);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-light);
}

/* ========== App Container ========== */
.app-container {
    display: flex;
    min-height: 100vh;
    position: relative;
    width: 100%;
    overflow-x: hidden;
}

/* ========== Mobile Header ========== */
.mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--white);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.logo-mobile img {
    height: 32px;
    width: auto;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.notification-btn {
    position: relative;
    background: none;
    border: none;
    color: var(--white);
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--error);
    color: var(--white);
    font-size: var(--font-size-xs);
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 18px;
    text-align: center;
}

/* ========== Sidebar ========== */
.sidebar {
    width: 250px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: -250px;
    height: 100vh;
    transition: left var(--transition-base);
    z-index: var(--z-fixed);
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo img {
    height: 40px;
    width: auto;
}

.close-menu {
    background: none;
    border: none;
    color: var(--white);
    font-size: var(--font-size-xl);
    cursor: pointer;
}

/* Navigation Menu */
.nav-menu {
    flex: 1;
    padding: var(--spacing-md);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-item.active {
    background: var(--gradient-purple);
}

.nav-item .icon {
    font-size: var(--font-size-xl);
}

.nav-indicator {
    position: absolute;
    right: var(--spacing-md);
    width: 8px;
    height: 8px;
    background: var(--accent-pink);
    border-radius: var(--radius-full);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.join-room-btn {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--gradient-purple);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: transform var(--transition-fast);
}

.join-room-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.premium-prompt {
    margin-top: var(--spacing-md);
    margin-bottom: 100px;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    text-align: center;
}

.premium-prompt p {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.premium-prompt button {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent-pink);
    color: var(--white);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: all var(--transition-fast);
}


/* 1. Hide mobile header logo since toolbar is there */
@media (max-width: 768px) {
    .mobile-header .logo-mobile {
        display: none !important;
    }
    
    /* Center the menu toggle since logo is removed */
    .mobile-header {
        justify-content: flex-start;
        padding-left: 15px;
    }
}

/* 2. Remove bottom navigation on mobile (duplicates menu) */
@media (max-width: 768px) {
    .mobile-nav {
        display: none !important;
    }
    
    /* Adjust main content padding since bottom nav is removed */
    .main-content {
        padding-bottom: 20px !important;
    }
    
    .friends-container,
    .home-container-pdf,
    .courses-container,
    .schedule-container,
    .settings-container {
        padding-bottom: 20px !important;
        margin-bottom: 0 !important;
    }
}

/* 3. Study room modal with side-by-side boxes */
#joinRoomModal .study-options {
    display: flex;
    flex-direction: row !important;
    gap: 15px;
    align-items: stretch;
}

#joinRoomModal .study-option {
    flex: 1;
    min-height: 200px;
    margin-bottom: 0 !important;
}

/* Make modal more compact */
#joinRoomModal .modal-content {
    max-width: 600px;
    width: 90%;
}

@media (max-width: 768px) {
    #joinRoomModal .study-options {
        gap: 10px;
    }
    
    #joinRoomModal .study-option {
        padding: 15px;
    }
    
    #joinRoomModal .study-option h3 {
        font-size: 16px;
    }
    
    #joinRoomModal .study-option p {
        font-size: 12px;
    }
}

/* 4. Enhanced notification dropdown from toolbar */
.notification-dropdown {
    position: fixed;
    top: 70px;
    right: 20px;
    background: linear-gradient(135deg, #1a0033, #2d1b69);
    border-radius: 20px;
    padding: 20px;
    width: 350px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 10001;
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.notification-dropdown.active {
    display: block !important;
}

@media (max-width: 768px) {
    .notification-dropdown {
        width: calc(100% - 40px);
        right: 20px;
        left: 20px;
        top: 80px;
    }
}

/* 5. Practice Now button on homepage */
.practice-now-container {
    margin-top: 10px;
    margin-bottom: 20px;
}

.practice-now-btn {
    background: linear-gradient(135deg, #5b21b6, #1d4ed8); !important
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-style: italic;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.practice-now-btn:hover {
    background: linear-gradient(135deg, #5b21b6, #1d4ed8);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 29, 149, 0.4);
}

.practice-now-btn:active {
    transform: translateY(0);
}

.universal-toolbar {
    position: fixed;
    top: 0;
    right: 0;
    height: 60px;
    background: rgba(26, 0, 51, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 0 20px;
    z-index: 9999;
    border-bottom-left-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* ========== Friends & Chat Container ========== */
.friends-container {
    display: flex;
    height: calc(100vh - 130px);
    gap: var(--spacing-lg);
    position: relative;
    width: 100%;
    overflow: hidden;
    padding-bottom: 50px;
}

/* ========== Friends Sidebar ========== */
.friends-sidebar {
    width: 350px;
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
    max-height: 100%;
}

/* Discussions Header */
.discussions-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.discussions-header h3 {
    margin: 0;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Search Bar */
.search-bar-container {
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: none;
    flex-shrink: 0;
}

.search-bar {
    position: relative;
    display: flex;
    align-items: center;
}

.search-bar i {
    position: absolute;
    left: var(--spacing-md);
    color: rgba(255, 255, 255, 0.5);
}

.search-bar input {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 40px;
    padding-right: 40px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--font-size-sm);
}

.search-close {
    position: absolute;
    right: var(--spacing-md);
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
}

.search-results {
    margin-top: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

/* Always visible search bar in friends sidebar */
.friends-sidebar .search-bar-container {
    display: block !important; /* Override the default display: none */
    padding: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

.friends-sidebar .discussions-header {
    border-bottom: none; /* Remove double border with search bar */
}

/* Adjust search bar styling for better visibility */
.search-bar {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.search-bar:focus-within {
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 0 0 2px rgba(147, 51, 234, 0.3);
}

.search-bar input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 36px;
    background: transparent;
    border: none;
    color: var(--white);
    font-size: var(--font-size-sm);
}

.search-bar input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-bar i {
    position: absolute;
    left: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.6);
    pointer-events: none;
}

.search-close {
    position: absolute;
    right: var(--spacing-sm);
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    padding: var(--spacing-xs);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.search-bar:hover .search-close,
.search-bar input:not(:placeholder-shown) ~ .search-close {
    opacity: 1;
}

.search-close:hover {
    color: var(--white);
}

/* Search results dropdown styling */
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
    background: rgba(26, 0, 51, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    z-index: 100;
}

/* Make search bar container relative for absolute positioning of results */
.search-bar-container {
    position: relative;
}

/* Mobile responsiveness */
@media (max-width: 767px) {
    .friends-sidebar .search-bar-container {
        padding: var(--spacing-sm);
    }
    
    .search-bar input {
        font-size: 14px; /* Slightly smaller on mobile */
    }
}
.search-result-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.search-result-item img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.search-result-item .user-info {
    flex: 1;
}

.search-result-item .user-info h4 {
    margin: 0;
    font-size: var(--font-size-base);
}

.search-result-item .add-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--gradient-purple);
    border: none;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

/* Discussion List Styles */
.discussions-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.discussions-list::-webkit-scrollbar {
    width: 6px;
}

.discussions-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.discussions-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

.discussion-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    min-height: 70px;
    flex-shrink: 0;
    width: 100%;
    max-width: 100%;
}

.discussion-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.discussion-item.active {
    background: rgba(147, 51, 234, 0.2);
    border: 1px solid var(--accent-purple);
}

.discussion-item.has-call::before {
    content: '';
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.discussion-avatar {
    position: relative;
    width: 50px;
    height: 50px;
}

.avatar-group {
    position: relative;
    width: 50px;
    height: 50px;
}

.avatar-group img {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(0, 0, 0, 0.2);
    position: absolute;
    object-fit: cover;
}

.avatar-group img:nth-child(1) {
    top: 0;
    left: 0;
    z-index: 3;
}

.avatar-group img:nth-child(2) {
    top: 0;
    right: 0;
    z-index: 2;
}

.avatar-group img:nth-child(3) {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.call-indicator {
    position: absolute;
    bottom: 0;
    right: 0;
    font-size: var(--font-size-lg);
}

.discussion-info {
    flex: 1;
    min-width: 0;
}

.discussion-info h4 {
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.participants {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.discussion-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.message-count {
    background: var(--accent-pink);
    color: var(--white);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.time {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
}

.join-call-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--success);
    border: none;
    border-radius: var(--radius-md);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.join-call-btn:hover {
    background: #059669;
}

/* Empty Discussions */
.empty-discussions {
    text-align: center;
    padding: var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.5);
}

/* Friends Actions */
.friends-actions {
    padding: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex-shrink: 0;
    max-height: 300px;
    overflow-y: auto;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    text-decoration: none;
    width: 100%;
    max-width: 100%;
}

.action-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-1px);
}

.action-btn i {
    font-size: var(--font-size-lg);
    color: var(--accent-purple);
}

/* ========== Friends Main (Chat Container) ========== */
.friends-main {
    flex: 1;
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    width: 100%;
    max-width: 100%;
}

/* ========== Chat Area ========== */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    position: relative;
    width: 100%;
    max-width: 100%;
}

/* Chat Header */
.chat-header {
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
    min-height: 60px;
    width: 100%;
}

.back-btn {
    background: none;
    border: none;
    color: var(--white);
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--spacing-sm);
    display: none;
}

.chat-info {
    flex: 1;
    cursor: pointer;
    min-width: 0;
}

.chat-info h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-members {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}



/* ========== Chat Messages Container ========== */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    scroll-behavior: smooth;
    min-height: 0;
    width: 100%;
    max-width: 100%;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

/* ========== Messages ========== */
.message {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-sm);
    max-width: 75%;
    animation: messageSlide 0.2s ease-out;
    width: fit-content;
}

.message:not(.own) {
    align-self: flex-start;
    flex-direction: row;
}

.message.own {
    align-self: flex-end;
    flex-direction: row-reverse;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message.own .message-avatar {
    display: none;
}

.message-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 100%;
    min-width: 0;
}

.message.own .message-content {
    align-items: flex-end;
}

.message-sender {
    font-size: var(--font-size-xs);
    color: var(--accent-purple);
    margin-left: var(--spacing-xs);
    font-weight: 500;
}

.message-bubble {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    word-wrap: break-word;
    word-break: break-word;
    max-width: 100%;
    overflow-wrap: break-word;
}

.message:not(.own) .message-bubble {
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
}

.message.own .message-bubble {
    border-radius: 18px;
    border-bottom-right-radius: 4px;
    background: linear-gradient(135deg, #6B46C1 0%, #9333EA 100%);
    border: none;
}

.message-text {
    color: var(--white);
    font-size: var(--font-size-base);
    line-height: 1.4;
    white-space: pre-wrap;
}

.message-time {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 2px;
    display: inline-block;
}

.message.own .message-time {
    text-align: right;
}

/* System Message */
.system-message {
   align-self: center;
   text-align: center;
   padding: var(--spacing-xs) var(--spacing-md);
   background: rgba(255, 255, 255, 0.05);
   border-radius: var(--radius-full);
   color: rgba(255, 255, 255, 0.6);
   font-size: var(--font-size-sm);
   margin: var(--spacing-md) 0;
   max-width: 70%;
}

/* ========== Typing Indicator ========== */
.typing-indicator {
   padding: var(--spacing-sm) var(--spacing-lg);
   display: flex;
   align-items: center;
   gap: var(--spacing-sm);
   color: rgba(255, 255, 255, 0.6);
   font-size: var(--font-size-sm);
   background: rgba(0, 0, 0, 0.2);
   border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.typing-dots {
   display: flex;
   gap: 3px;
}

.typing-dots span {
   width: 6px;
   height: 6px;
   background: rgba(255, 255, 255, 0.4);
   border-radius: var(--radius-full);
   animation: typingDot 1.4s infinite;
}

.typing-dots span:nth-child(2) {
   animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
   animation-delay: 0.4s;
}

@keyframes typingDot {
   0%, 60%, 100% {
       transform: translateY(0);
   }
   30% {
       transform: translateY(-10px);
   }
}

/* ========== Chat Input ========== */
.chat-input {
   padding: var(--spacing-md) var(--spacing-lg);
   background: rgba(0, 0, 0, 0.3);
   backdrop-filter: blur(10px);
   border-top: 1px solid rgba(255, 255, 255, 0.1);
   display: flex;
   align-items: center;
   gap: var(--spacing-sm);
   flex-shrink: 0;
   position: relative;
   z-index: 10;
   width: 100%;
   max-width: 100%;
}

.attach-btn,
.emoji-btn {
   background: none;
   border: none;
   color: rgba(255, 255, 255, 0.6);
   font-size: var(--font-size-lg);
   cursor: pointer;
   padding: var(--spacing-sm);
   transition: color var(--transition-fast);
   flex-shrink: 0;
}

.attach-btn:hover,
.emoji-btn:hover {
   color: var(--white);
}

#messageInput {
   flex: 1;
   padding: var(--spacing-sm) var(--spacing-md);
   background: rgba(255, 255, 255, 0.1);
   border: 1px solid rgba(255, 255, 255, 0.2);
   border-radius: var(--radius-full);
   color: var(--white);
   font-size: var(--font-size-base);
   min-height: 40px;
   max-height: 120px;
   resize: none;
   outline: none;
   width: 100%;
   max-width: 100%;
}

#messageInput::placeholder {
   color: rgba(255, 255, 255, 0.5);
}

#messageInput:focus {
   border-color: var(--accent-purple);
   background: rgba(255, 255, 255, 0.15);
}

#sendBtn {
   width: 40px;
   height: 40px;
   border-radius: var(--radius-full);
   background: var(--gradient-purple);
   border: none;
   color: var(--white);
   cursor: pointer;
   display: flex;
   align-items: center;
   justify-content: center;
   transition: all var(--transition-fast);
   flex-shrink: 0;
}

#sendBtn:hover:not(:disabled) {
   transform: scale(1.1);
}

#sendBtn:disabled {
   opacity: 0.5;
   cursor: not-allowed;
}

/* ========== Mobile Bottom Navigation ========== */
.mobile-nav {
   display: flex;
   justify-content: space-around;
   align-items: center;
   padding: var(--spacing-sm) 0;
   background: rgba(0, 0, 0, 0.3);
   backdrop-filter: blur(10px);
   border-top: 1px solid rgba(255, 255, 255, 0.1);
   position: fixed;
   bottom: 0;
   left: 0;
   right: 0;
   z-index: var(--z-sticky);
   width: 100%;
   height: 60px;
}

.mobile-nav-item {
   flex: 1;
   display: flex;
   flex-direction: column;
   align-items: center;
   gap: var(--spacing-xs);
   padding: var(--spacing-sm);
   color: var(--white);
   opacity: 0.7;
   transition: opacity var(--transition-fast);
   text-decoration: none;
}

.mobile-nav-item.active {
   opacity: 1;
}

.mobile-nav-item i {
   font-size: var(--font-size-xl);
}

.mobile-nav-item span {
   font-size: var(--font-size-xs);
}

/* ========== Main Content ========== */
.main-content {
   flex: 1;
   padding: calc(60px + var(--spacing-md)) var(--spacing-md) calc(70px + var(--spacing-md));
   min-height: 100vh;
   width: 100%;
   max-width: 100%;
   overflow-x: hidden;
}

.main-content.full-width {
   padding: 0;
}

/* Select Chat Prompt */
.select-chat-prompt {
   flex: 1;
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
   color: rgba(255, 255, 255, 0.5);
   padding: var(--spacing-xl);
}

.select-chat-prompt i {
   font-size: 48px;
   margin-bottom: var(--spacing-lg);
}

.select-chat-prompt h3 {
   margin-bottom: var(--spacing-sm);
}

/* Empty State */
.empty-state {
   flex: 1;
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
   padding: var(--spacing-2xl);
   text-align: center;
}

.empty-card {
   margin-bottom: var(--spacing-2xl);
}

.empty-card .emoji {
   font-size: 48px;
   margin-bottom: var(--spacing-lg);
   display: block;
}

.empty-card h3 {
   color: var(--white);
   margin-bottom: var(--spacing-md);
}

.empty-card p {
   color: rgba(255, 255, 255, 0.7);
   max-width: 400px;
}

.action-buttons {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
   gap: var(--spacing-md);
   width: 100%;
   max-width: 600px;
}

/* Assuming the parent container has a class or you can target it */
.parent-container {
    display: flex;
    justify-content: center;
    padding: 0 var(--spacing-md);
}

/* Then adjust the friends layout */
.friends-sidebar {
    width: 350px;
    flex-shrink: 0;
    margin-right: var(--spacing-lg);
}

.friends-main {
    flex: 1;
    max-width: 800px; /* Limit the maximum width */
}

/* ========== Authentication Pages ========== */
/* Authentication Pages */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
    padding: var(--spacing-md);
}

/* Remove sidebar margin for auth pages */
.main-content:has(.auth-container) {
    margin-left: 0 !important;
}

.auth-card {
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-xl);
    margin: 0 auto;
}

.auth-header {
   text-align: center;
   margin-bottom: var(--spacing-lg);
}

.auth-logo {
   height: 48px;
   margin-bottom: var(--spacing-sm);
}

.auth-header h2 {
   color: var(--white);
   margin-bottom: var(--spacing-xs);
   font-size: var(--font-size-lg);
}

.subtitle {
   color: rgba(255, 255, 255, 0.7);
   font-size: var(--font-size-sm);
}

/* Progress Bar */
.progress-bar {
   display: flex;
   align-items: center;
   justify-content: center;
   margin-bottom: var(--spacing-lg);
   gap: var(--spacing-xs);
}

.progress-step {
   width: 32px;
   height: 32px;
   border-radius: var(--radius-full);
   background: rgba(255, 255, 255, 0.2);
   display: flex;
   align-items: center;
   justify-content: center;
   font-weight: 600;
   transition: all var(--transition-base);
}

.progress-step.active {
   background: var(--gradient-purple);
}

.progress-step.completed {
   background: var(--success);
}

.progress-line {
   flex: 1;
   height: 2px;
   background: rgba(255, 255, 255, 0.2);
   max-width: 45px;
}

.progress-line.active {
   background: var(--gradient-purple);
}

/* Form Styles */
.auth-form {
   display: flex;
   flex-direction: column;
   gap: var(--spacing-md);
}

.form-group {
   display: flex;
   flex-direction: column;
   gap: var(--spacing-xs);
}

.form-group label {
   color: var(--white);
   font-size: var(--font-size-sm);
   font-weight: 500;
}

.form-row {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: var(--spacing-sm);
}

.input-wrapper {
   position: relative;
}



/* Fix for select/dropdown visibility */
select, 
select option,
.settings-select,
.settings-select option {
    background-color: rgba(30, 30, 50, 0.95) !important;
    color: var(--white) !important;
}

select option:hover,
.settings-select option:hover {
    background-color: var(--primary-purple) !important;
    color: var(--white) !important;
}

/* Fix for all form selects */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
select,
textarea {
    background: rgba(30, 30, 50, 0.8) !important;
    color: var(--white) !important;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

select option {
    background: rgb(30, 30, 50) !important;
    color: var(--white) !important;
    padding: var(--spacing-sm);
}


input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
select,
textarea {
   width: 100%;
   padding: var(--spacing-sm);
   padding-left: 40px;
   background: rgba(255, 255, 255, 0.1);
   border: 1px solid rgba(255, 255, 255, 0.2);
   border-radius: var(--radius-md);
   color: var(--white);
   font-size: var(--font-size-base);
   transition: all var(--transition-fast);
   height: 40px;
   box-sizing: border-box;
}

input::placeholder {
   color: rgba(255, 255, 255, 0.5);
}

input:focus,
select:focus,
textarea:focus {
   outline: none;
   border-color: var(--accent-purple);
   background: rgba(255, 255, 255, 0.15);
}

.input-icon {
   position: absolute;
   left: var(--spacing-sm);
   top: 50%;
   transform: translateY(-50%);
   color: rgba(255, 255, 255, 0.5);
}

.password-toggle {
   position: absolute;
   right: var(--spacing-sm);
   top: 50%;
   transform: translateY(-50%);
   background: none;
   border: none;
   color: rgba(255, 255, 255, 0.5);
   cursor: pointer;
   padding: var(--spacing-xs);
}

.password-toggle:hover {
   color: var(--white);
}

.validation-icon {
   position: absolute;
   right: var(--spacing-sm);
   top: 50%;
   transform: translateY(-50%);
}

.field-message {
   font-size: var(--font-size-sm);
   margin-top: var(--spacing-xs);
}

.field-message.error {
   color: var(--error);
}

.field-message.success {
   color: var(--success);
}

/* Checkbox Styles */
.checkbox-label {
   display: flex;
   align-items: center;
   gap: var(--spacing-sm);
   cursor: pointer;
   font-size: var(--font-size-sm);
}

.checkbox-custom {
   width: 20px;
   height: 20px;
   border: 2px solid rgba(255, 255, 255, 0.3);
   border-radius: var(--radius-sm);
   position: relative;
   transition: all var(--transition-fast);
}

input[type="checkbox"] {
   display: none;
}

input[type="checkbox"]:checked + .checkbox-custom {
   background: var(--gradient-purple);
   border-color: transparent;
}

input[type="checkbox"]:checked + .checkbox-custom::after {
   content: '✓';
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   color: var(--white);
   font-size: 14px;
}

/* Profile Upload */
.profile-upload-group {
   text-align: center;
}

.profile-upload {
   display: inline-block;
   margin: 0 auto;
}

.profile-preview {
   width: 90px;
   height: 90px;
   border-radius: var(--radius-full);
   background: rgba(255, 255, 255, 0.1);
   border: 2px dashed rgba(255, 255, 255, 0.3);
   display: flex;
   flex-direction: column;
   align-items: center;
   justify-content: center;
   gap: var(--spacing-xs);
   transition: all var(--transition-fast);
   overflow: hidden;
   margin: 0 auto;
   position: relative;
}

.profile-preview:hover {
   border-color: var(--accent-purple);
   background: rgba(255, 255, 255, 0.15);
}

.profile-preview img {
   width: 100%;
   height: 100%;
   object-fit: cover;
   position: absolute;
   top: 0;
   left: 0;
}

.profile-preview i {
   font-size: var(--font-size-lg);
   color: rgba(255, 255, 255, 0.5);
}

.profile-preview span {
   font-size: var(--font-size-xs);
   color: rgba(255, 255, 255, 0.5);
}

/* Preference Cards */
.preference-cards {
   display: flex;
   flex-direction: column;
   gap: var(--spacing-sm);
}

.checkbox-card {
   position: relative;
   cursor: pointer;
}

.checkbox-card input {
   position: absolute;
   opacity: 0;
}

.card-content {
   display: flex;
   align-items: center;
   gap: var(--spacing-sm);
   padding: var(--spacing-sm);
   background: rgba(255, 255, 255, 0.1);
   border: 2px solid rgba(255, 255, 255, 0.2);
   border-radius: var(--radius-lg);
   transition: all var(--transition-fast);
}

.checkbox-card input:checked + .card-content {
   background: rgba(147, 51, 234, 0.2);
   border-color: var(--accent-purple);
}

.card-content .emoji {
   font-size: var(--font-size-xl);
}

.card-text {
   flex: 1;
}

.card-text strong {
   display: block;
   margin-bottom: var(--spacing-xs);
}

.card-text small {
   color: rgba(255, 255, 255, 0.7);
   font-size: var(--font-size-xs);
}

.checkbox-indicator {
   width: 22px;
   height: 22px;
   border: 2px solid rgba(255, 255, 255, 0.3);
   border-radius: var(--radius-sm);
   position: relative;
}

.checkbox-card input:checked + .card-content .checkbox-indicator {
   background: var(--gradient-purple);
   border-color: transparent;
}

.checkbox-card input:checked + .card-content .checkbox-indicator::after {
   content: '✓';
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   color: var(--white);
   font-size: 12px;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-danger {
   padding: var(--spacing-sm) var(--spacing-md);
   border: none;
   border-radius: var(--radius-md);
   font-size: var(--font-size-base);
   font-weight: 500;
   cursor: pointer;
   transition: all var(--transition-fast);
   display: inline-flex;
   align-items: center;
   justify-content: center;
   gap: var(--spacing-sm);
   width: 100%;
   max-width: 100%;
   box-sizing: border-box;
}

.btn-primary {
   background: var(--gradient-purple);
   color: var(--white);
}

.btn-primary:hover {
   transform: translateY(-2px);
   box-shadow: var(--shadow-md);
}

.btn-secondary {
   background: rgba(255, 255, 255, 0.1);
   color: var(--white);
   border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
   background: rgba(255, 255, 255, 0.15);
}

.btn-danger {
   background: var(--error);
   color: var(--white);
}

.btn-danger:hover {
   background: #DC2626;
}

/* Form Actions */
.form-actions {
   display: flex;
   gap: var(--spacing-sm);
}

.form-actions button {
   flex: 1;
}

/* Auth Divider */
.auth-divider {
   display: flex;
   align-items: center;
   gap: var(--spacing-sm);
   margin: var(--spacing-md) 0;
}

.auth-divider::before,
.auth-divider::after {
   content: '';
   flex: 1;
   height: 1px;
   background: rgba(255, 255, 255, 0.2);
}

.auth-divider span {
   color: rgba(255, 255, 255, 0.5);
   font-size: var(--font-size-sm);
}

/* Social Login */
.social-login {
   display: flex;
   flex-direction: column;
   gap: var(--spacing-sm);
}

.social-btn {
   width: 100%;
   padding: var(--spacing-sm);
   background: rgba(255, 255, 255, 0.1);
   border: 1px solid rgba(255, 255, 255, 0.2);
   border-radius: var(--radius-md);
   color: var(--white);
   font-size: var(--font-size-base);
   cursor: pointer;
   display: flex;
   align-items: center;
   justify-content: center;
   gap: var(--spacing-sm);
   transition: all var(--transition-fast);
}

.social-btn:hover {
   background: rgba(255, 255, 255, 0.15);
}

.social-btn i {
   font-size: var(--font-size-lg);
}

/* Auth Link */
.auth-link {
   text-align: center;
   font-size: var(--font-size-sm);
   color: rgba(255, 255, 255, 0.7);
}

.auth-link a {
   color: var(--accent-purple);
   font-weight: 500;
}

/* Forgot Password */
.forgot-password {
   display: block;
   text-align: right;
   font-size: var(--font-size-sm);
   color: var(--accent-purple);
   margin-top: var(--spacing-xs);
}

/* Invite Notice */
.invite-notice {
   display: flex;
   align-items: center;
   gap: var(--spacing-xs);
   padding: var(--spacing-sm);
   background: rgba(147, 51, 234, 0.2);
   border: 1px solid var(--accent-purple);
   border-radius: var(--radius-md);
   color: var(--white);
   font-size: var(--font-size-sm);
}

/* ========== Modals ========== */
.modal {
   position: fixed;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: rgba(0, 0, 0, 0.8);
   backdrop-filter: blur(5px);
   display: flex;
   align-items: center;
   justify-content: center;
   z-index: var(--z-modal);
   padding: var(--spacing-lg);
   opacity: 1;
   transition: opacity var(--transition-base);
}

.modal.hidden {
   display: none;
   opacity: 0;
}

.modal-content {
   background: rgba(30, 30, 50, 0.95);
   backdrop-filter: blur(20px);
   border: 1px solid rgba(255, 255, 255, 0.1);
   border-radius: var(--radius-xl);
   width: 100%;
   max-width: 500px;
   max-height: 90vh;
   overflow-y: auto;
   animation: modalSlide 0.3s ease-out;
}

.modal-content.small {
   max-width: 400px;
}

@keyframes modalSlide {
   from {
       opacity: 0;
       transform: translateY(-20px);
   }
   to {
       opacity: 1;
       transform: translateY(0);
   }
}

.modal-header {
   padding: var(--spacing-xl);
   border-bottom: 1px solid rgba(255, 255, 255, 0.1);
   display: flex;
   justify-content: space-between;
   align-items: center;
}

.modal-header h2 {
   margin: 0;
   color: var(--white);
}

.modal-header .close {
   background: none;
   border: none;
   color: rgba(255, 255, 255, 0.6);
   font-size: var(--font-size-xl);
   cursor: pointer;
   padding: var(--spacing-xs);
}

.modal-header .close:hover {
   color: var(--white);
}

.modal-body {
   padding: var(--spacing-xl);
}

.modal-body.center {
   text-align: center;
}

.modal-actions {
   display: flex;
   gap: var(--spacing-md);
   margin-top: var(--spacing-xl);
}

.modal-actions button {
   flex: 1;
}

/* Badge */
.badge {
   display: inline-block;
   padding: var(--spacing-xs) var(--spacing-sm);
   background: rgba(147, 51, 234, 0.2);
   border: 1px solid var(--accent-purple);
   border-radius: var(--radius-md);
   font-size: var(--font-size-xs);
   color: var(--accent-purple);
}

/* Study Room Enhanced Styles */
.study-options {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
   gap: var(--spacing-lg);
   margin-bottom: var(--spacing-lg);
}

.study-option {
   padding: var(--spacing-xl);
   background: rgba(255, 255, 255, 0.05);
   border: 2px solid rgba(255, 255, 255, 0.2);
   border-radius: var(--radius-xl);
   text-align: center;
   cursor: pointer;
   transition: all var(--transition-base);
   position: relative;
   overflow: hidden;
}

.study-option::before {
   content: '';
   position: absolute;
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
   background: var(--gradient-purple);
   opacity: 0;
   transition: opacity var(--transition-base);
   z-index: 0;
}

.study-option:hover::before {
   opacity: 0.1;
}

.study-option:hover {
   border-color: var(--accent-purple);
   transform: translateY(-8px);
   box-shadow: var(--shadow-xl);
}

.study-option * {
   position: relative;
   z-index: 1;
}

.study-option .emoji {
   font-size: 64px;
   margin-bottom: var(--spacing-lg);
   display: block;
   animation: float 3s ease-in-out infinite;
}

@keyframes float {
   0%, 100% { transform: translateY(0px); }
   50% { transform: translateY(-10px); }
}

.study-option h3 {
   color: var(--white);
   margin-bottom: var(--spacing-md);
   font-size: var(--font-size-xl);
   font-weight: 700;
}

.study-option p {
   color: rgba(255, 255, 255, 0.8);
   font-size: var(--font-size-base);
   margin-bottom: var(--spacing-lg);
   font-style: italic;
}

.study-option-footer {
   padding-top: var(--spacing-md);
   border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.participants-count {
   color: var(--accent-purple);
   font-weight: 600;
   font-size: var(--font-size-sm);
}

/* Notification Container */
.notification-container {
   position: fixed;
   top: 70px;
   right: 20px;
   z-index: var(--z-tooltip);
   display: flex;
   flex-direction: column;
   gap: var(--spacing-sm);
   max-width: 350px;
}

.notification {
   padding: var(--spacing-md);
   background: rgba(0, 0, 0, 0.8);
   backdrop-filter: blur(10px);
   border: 1px solid rgba(255, 255, 255, 0.1);
   border-radius: var(--radius-md);
   color: var(--white);
   animation: notificationSlide 0.3s ease-out;
   display: flex;
   align-items: flex-start;
   gap: var(--spacing-md);
}

@keyframes notificationSlide {
   from {
       opacity: 0;
       transform: translateX(100px);
   }
   to {
       opacity: 1;
       transform: translateX(0);
   }
}

/* Loading Spinner */
.loading-spinner {
   display: inline-block;
   width: 16px;
   height: 16px;
   border: 2px solid rgba(255, 255, 255, 0.3);
   border-radius: 50%;
   border-top-color: #fff;
   animation: spin 0.8s linear infinite;
   margin-right: 8px;
   vertical-align: middle;
}

@keyframes spin {
   to { 
       transform: rotate(360deg); 
   }
}

button.loading {
   opacity: 0.8;
   cursor: not-allowed !important;
   pointer-events: none;
   position: relative;
   overflow: hidden;
}

button.loading .loading-spinner {
   display: inline-block;
}

button.success {
   background: var(--success) !important;
   border-color: var(--success) !important;
   transform: scale(1.02);
   transition: all 0.3s ease;
}

/* Toast Notification */
.toast {
   position: fixed;
   bottom: 20px;
   right: 20px;
   padding: var(--spacing-md) var(--spacing-lg);
   background: rgba(0, 0, 0, 0.8);
   backdrop-filter: blur(10px);
   border: 1px solid rgba(255, 255, 255, 0.1);
   border-radius: var(--radius-md);
   color: var(--white);
   display: flex;
   align-items: center;
   gap: var(--spacing-md);
   z-index: var(--z-tooltip);
   animation: toastSlide 0.3s ease-out;
   max-width: 350px;
}

.toast.hidden {
   display: none;
}

@keyframes toastSlide {
   from {
       opacity: 0;
       transform: translateY(20px);
   }
   to {
       opacity: 1;
       transform: translateY(0);
   }
}

.toast i {
   font-size: var(--font-size-xl);
}

.toast.success i {
   color: var(--success);
}

.toast.error i {
   color: var(--error);
}

.toast.warning i {
   color: var(--warning);
}

/* ========== MOBILE SPECIFIC OVERRIDES ========== */
@media (max-width: 767px) {
   /* Remove all extra spacing and ensure full width usage */
   .app-container {
       width: 100vw;
       max-width: 100vw;
       overflow-x: hidden;
       height: 100vh;
       max-height: 100vh;
   }
   
   .main-content {
       width: 100%;
       max-width: 100%;
       padding: 60px 0 60px 0; /* No horizontal padding */
       margin: 0;
   }
   
   /* Friends page mobile layout - NO EXTRA SPACE */
   .friends-container {
       width: 100vw;
       max-width: 100vw;
       height: calc(100vh - 120px);
       max-height: calc(100vh - 120px);
       margin: 0;
       padding: 0;
       gap: 0;
       overflow: hidden;
   }
   
  .friends-sidebar {
       width: 100vw;
       max-width: 100vw;
       height: 100%;
       border-radius: 0;
       position: relative;
       z-index: 2;
       background: rgba(0, 0, 0, 0.95);
   }
   
   .friends-sidebar.chat-active {
       display: none;
   }
   
   .friends-main {
       position: fixed;
       top: 60px;
       left: 0;
       right: 0;
       bottom: 60px; /* Account for mobile nav */
       width: 100vw;
       height: calc(100vh - 120px);
       z-index: 10;
       display: none;
       background: var(--gradient-dark);
       border-radius: 0;
   }
   
   .friends-main.active {
       display: flex !important;
   }
   
   .back-btn {
       display: block;
   }
   
   /* Chat area mobile optimizations */
   .chat-area {
       width: 100%;
       height: 100%;
       display: flex;
       flex-direction: column;
   }
   
   .chat-header {
       padding: var(--spacing-sm);
       min-height: 50px;
       flex-shrink: 0;
       width: 100%;
   }
   
   .chat-messages {
       flex: 1;
       overflow-y: auto;
       padding: var(--spacing-sm);
       padding-bottom: 80px; /* Space for fixed input */
       width: 100%;
       -webkit-overflow-scrolling: touch;
   }
   
   .chat-input {
       position: fixed;
       bottom: 60px; /* Above mobile nav */
       left: 0;
       right: 0;
       padding: var(--spacing-sm);
       background: rgba(0, 0, 0, 0.98);
       border-top: 1px solid rgba(255, 255, 255, 0.2);
       z-index: 100;
       width: 100vw;
   }
   
   /* Mobile message styling */
   .message {
       max-width: 85%;
       font-size: var(--font-size-sm);
   }
   
   .message-bubble {
       padding: var(--spacing-xs) var(--spacing-sm);
   }
   
   /* System messages mobile */
   .system-message {
       max-width: 90%;
       padding: var(--spacing-xs) var(--spacing-sm);
       font-size: var(--font-size-xs);
       margin: var(--spacing-sm) auto;
   }
   
   /* Mobile discussion list */
   .discussions-list {
       padding: var(--spacing-xs);
       gap: var(--spacing-xs);
   }
   
   .discussion-item {
       padding: var(--spacing-sm);
       min-height: 60px;
   }
   
   .discussion-avatar {
       width: 40px;
       height: 40px;
   }
   
   .avatar-group img {
       width: 24px;
       height: 24px;
   }
   
   /* Mobile forms */
   .auth-card {
       padding: var(--spacing-md);
       margin: var(--spacing-sm);
   }
   
   .form-row {
       grid-template-columns: 1fr;
   }
   
   /* Mobile modals */
   .modal {
       padding: var(--spacing-sm);
   }
   
   .modal-content {
       max-width: 100%;
       width: calc(100vw - 20px);
       max-height: 90vh;
       margin: 10px;
   }
   
   /* Mobile buttons */
   .btn-primary, 
   .btn-secondary {
       padding: var(--spacing-sm) var(--spacing-md);
       font-size: var(--font-size-sm);
   }
   
   /* Hide desktop-only elements */
   .desktop-only {
       display: none !important;
   }
   
   /* Mobile study options */
   .study-options {
       grid-template-columns: 1fr;
       gap: var(--spacing-sm);
   }
   
   .study-option {
       padding: var(--spacing-md);
   }
   
   .study-option .emoji {
       font-size: 48px;
   }
   
   /* Smaller text on mobile */
   h1 { font-size: var(--font-size-2xl); }
   h2 { font-size: var(--font-size-xl); }
   h3 { font-size: var(--font-size-lg); }
   h4 { font-size: var(--font-size-base); }
   
   /* Mobile typography adjustments */
   .mobile-nav-item {
       font-size: var(--font-size-xs);
   }
   
   .mobile-nav-item i {
       font-size: var(--font-size-lg);
   }
   
   /* Mobile header adjustments */
   .mobile-header {
       height: 60px;
       padding: var(--spacing-sm);
   }
   
   .logo-mobile img {
       height: 24px;
   }
   
   /* Input adjustments for iOS */
   input, select, textarea {
       font-size: 16px; /* Prevents zoom on iOS */
       padding: var(--spacing-xs) var(--spacing-sm);
   }
   
   /* Toast on mobile */
   .toast {
       bottom: 80px; /* Above mobile nav */
       right: var(--spacing-sm);
       max-width: calc(100vw - 40px);
   }
   
   /* Notification container on mobile */
   .notification-container {
       top: 70px;
       right: var(--spacing-sm);
       max-width: calc(100vw - 40px);
   }
   
   /* Ensure no horizontal scroll */
   * {
       max-width: 100vw;
       overflow-wrap: break-word;
       word-wrap: break-word;
   }
   
   /* Remove any margins that could cause spacing */
   body, html {
       margin: 0;
       padding: 0;
       width: 100vw;
       max-width: 100vw;
       overflow-x: hidden;
   }
}

/* iPhone specific fixes */
@supports (-webkit-touch-callout: none) {
   @media screen and (max-width: 767px) {
       .app-container {
           padding-top: env(safe-area-inset-top);
           padding-bottom: env(safe-area-inset-bottom);
       }
       
       .mobile-nav {
           padding-bottom: env(safe-area-inset-bottom);
       }
       
       .chat-input {
           padding-bottom: calc(var(--spacing-sm) + env(safe-area-inset-bottom));
       }
   }
}

/* Landscape mobile */
@media (max-width: 767px) and (orientation: landscape) {
   .mobile-header {
       height: 50px;
   }
   
   .mobile-nav {
       height: 50px;
   }
   
   .friends-container {
       height: calc(100vh - 100px);
   }
   
   .friends-main {
       top: 50px;
       bottom: 50px;
       height: calc(100vh - 100px);
   }
   
   .chat-input {
       bottom: 50px;
   }
}

/* Additional mobile spacing fixes */
@media (max-width: 767px) {
   .select-chat-prompt {
       display: none;
   }
   
   .empty-state {
       padding: var(--spacing-lg);
   }
   
   .action-buttons {
       grid-template-columns: 1fr;
       gap: var(--spacing-sm);
   }
   
   /* Hide mobile nav when in chat area */
   .app-container[data-page="friends"] .mobile-nav {
       display: none !important;
   }
   
   /* Adjust main content when nav is hidden */
   .app-container[data-page="friends"] .main-content {
       padding-bottom: 0 !important;
   }
}

/* Utility Classes */
.hidden {
   display: none !important;
}

.mobile-only {
   display: block;
}

.desktop-only {
   display: none;
}

@media (min-width: 768px) {
   .mobile-only {
       display: none;
   }
   
   .desktop-only {
       display: block;
   }
   
   .mobile-header {
       display: none;
   }
   
   .sidebar {
       position: static;
       left: 0;
   }
   
   .main-content {
      
       padding: var(--spacing-lg);
   }
   
   .mobile-nav {
       display: none;
   }
   
   .friends-container {
       flex-direction: row;
       height: calc(100vh - 40px);
   }
   
   .friends-sidebar {
       width: 350px;
   }
   
   .friends-main {
       position: static;
       display: flex;
   }
   
   .back-btn {
       display: none;
   }
   
   .chat-input {
       position: relative;
       bottom: auto;
   }
   
   .chat-messages {
       padding-bottom: var(--spacing-md);
   }
}

/* Animation Classes */
.fade-in {
   animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
   from {
       opacity: 0;
   }
   to {
       opacity: 1;
   }
}

/* Focus States for Accessibility */
button:focus,
input:focus,
select:focus,
textarea:focus {
   outline: 2px solid var(--accent-purple);
   outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
   :root {
       --gray-100: #FFFFFF;
       --gray-800: #000000;
       --gray-900: #000000;
   }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
   *,
   *::before,
   *::after {
       animation-duration: 0.01ms !important;
       animation-iteration-count: 1 !important;
       transition-duration: 0.01ms !important;
       scroll-behavior: auto !important;
   }
}

/* Daily.co iframe container */
#dailyVideoContainer {
   position: fixed;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;
   z-index: 10000;
   background: #000;
}

/* Custom controls overlay */
#dailyControlsOverlay {
   position: fixed;
   bottom: 20px;
   left: 50%;
   transform: translateX(-50%);
   z-index: 10001;
   display: flex;
   gap: 10px;
   padding: 10px 20px;
   background: rgba(0, 0, 0, 0.8);
   border-radius: 30px;
   backdrop-filter: blur(10px);
}

/* Daily status messages */
.daily-status-message {
   position: fixed;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
   background: rgba(0, 0, 0, 0.9);
   color: white;
   padding: 20px 40px;
   border-radius: 10px;
   font-size: 18px;
   z-index: 10002;
}

/* Mobile responsive adjustments for Daily.co */
@media (max-width: 767px) {
   #dailyControlsOverlay {
       bottom: 10px;
       padding: 8px 15px;
       width: 90%;
   }
   
   .daily-control-btn {
       width: 40px;
       height: 40px;
       font-size: 14px;
   }
}


/* ========== PDF Design Color Scheme ========== */


/* Override main content for home page */
.main-content:has(.home-container-pdf) {
    padding: 1rem !important;
    max-width: 1400px;
    margin: 0 auto;
}

/* ========== Homepage Container PDF Design ========== */
.home-container-pdf {
    width: 100%;
    max-width: 100%;
    padding: 0;
}

/* ========== Header Section ========== */
.home-header-pdf {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 0 0.5rem;
}

.user-greeting {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-greeting h2 {
    font-size: 1.4rem;
    color: #ffffff;
    margin: 0;
    font-weight: 500;
}

.premium-badge {
    background: linear-gradient(135deg, #ce93d8 0%, #ab47bc 100%);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.7rem;
    color: #ffffff;
    font-weight: 600;
    text-transform: lowercase;
}

.header-stats {
    display: flex;
    gap: 1.5rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.stat-item i {
    color: #ce93d8;
}

/* ========== Content Grid ========== */
.home-content-grid {
    display: grid;
    grid-template-columns: 3fr 320px;
    gap: 1.5rem;
    height: calc(100vh - 150px);
}

/* ========== Learning Section (Left) ========== */
.learning-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-section {
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(206, 147, 216, 0.2);
    border-radius: 0.75rem;
    padding: 1rem;
    flex: 1;
    min-height: 150px;
    max-height: 200px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.section-header h3 {
    font-size: 0.9rem;
    color: #ffffff;
    margin: 0;
    font-weight: 500;
}

.btn-icon-small {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.8rem;
    transition: color 0.2s;
}

.btn-icon-small:hover {
    color: rgba(255, 255, 255, 0.8);
}

.learning-prompt {
    text-align: center;
    padding: 2rem 1rem;
}

.learning-prompt p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    margin: 0;
}

.review-empty, .reviewed-empty {
    text-align: center;
    padding: 1.5rem 1rem;
}

.review-empty p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    margin: 0;
}

/* ========== Schedule Section (Right) ========== */
.schedule-section {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* ========== Schedule Widget ========== */
.schedule-widget {
    background: rgba(26, 0, 51, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(206, 147, 216, 0.2);
    border-radius: 0.75rem;
    padding: 1rem;
    flex: 1;
}

.schedule-widget h3 {
    font-size: 0.9rem;
    color: #ffffff;
    margin: 0 0 0.75rem 0;
    font-weight: 500;
}

.calendar-widget {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 0.5rem;
    padding: 0.75rem;
}

.calendar-widget .calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    padding: 0.25rem;
}

.calendar-widget .calendar-header span {
    font-size: 0.75rem;
    color: #ffffff;
    font-weight: 500;
}

.cal-nav {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.7rem;
}

.cal-nav:hover {
    color: #ce93d8;
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
    margin-bottom: 0.5rem;
}

.day-label {
    text-align: center;
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.5);
    padding: 0.25rem 0;
    font-weight: 500;
}

.calendar-dates {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.25rem;
}

.date-cell {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.2s;
}

.date-cell:hover:not(:empty) {
    background: rgba(206, 147, 216, 0.2);
    color: #ffffff;
}

.date-cell:empty {
    background: transparent;
    cursor: default;
}

/* ========== Exam Widget ========== */
.exam-widget {
    background: rgba(26, 0, 51, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(206, 147, 216, 0.2);
    border-radius: 0.75rem;
    padding: 1rem;
    min-height: 100px;
    display: flex;
    flex-direction: column;
}

.exam-widget h3 {
    font-size: 0.9rem;
    color: #ffffff;
    margin: 0 0 0.75rem 0;
    font-weight: 500;
}

.no-exams {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    text-align: center;
    margin: auto 0;
    padding: 0.5rem;
}

/* ========== Updated Sidebar to Match PDF ========== */
.sidebar {
    background: rgba(26, 0, 51, 0.95) !important;
    backdrop-filter: blur(15px) !important;
    border-right: 1px solid rgba(206, 147, 216, 0.1) !important;
    width: 200px !important;
}

.sidebar-header {
    padding: 1rem !important;
    border-bottom: 1px solid rgba(206, 147, 216, 0.1) !important;
}

.logo img {
    height: 32px !important;
}

.nav-menu {
    padding: 0.5rem !important;
}

.nav-item {
    padding: 0.6rem 0.8rem !important;
    margin-bottom: 0.25rem !important;
    font-size: 0.85rem !important;
    border-radius: 0.5rem !important;
}

.nav-item:hover {
    background: rgba(206, 147, 216, 0.15) !important;
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(206, 147, 216, 0.3) 0%, rgba(171, 71, 188, 0.3) 100%) !important;
    border-left: 3px solid #ce93d8 !important;
}

.nav-item .icon {
    font-size: 1rem !important;
}

.sidebar-footer {
    padding: 0.75rem !important;
}

.sidebar-footer button,
.premium-prompt button {
    background: linear-gradient(135deg, #ce93d8 0%, #ab47bc 100%) !important;
    border: none !important;
    padding: 0.5rem 1rem !important;
    border-radius: 0.5rem !important;
    color: #ffffff !important;
    font-size: 0.8rem !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    transition: transform 0.2s !important;
}

.sidebar-footer button:hover,
.premium-prompt button:hover {
    transform: scale(1.05) !important;
}

/* ========== Mobile Responsiveness ========== */
@media (max-width: 1024px) {
    .home-content-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .schedule-section {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .home-container-pdf {
        padding: 0.5rem;
        padding-bottom: 50px;
        padding-top: 50px;
    }
    
    .home-header-pdf {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .home-content-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
        height: auto;
    }
    
    .schedule-section {
        grid-template-columns: 1fr;
    }
    
    .card-section {
        min-height: 120px;
        max-height: none;
    }
    
    .calendar-widget {
        padding: 0.5rem;
    }
    
    .calendar-dates {
        gap: 0.1rem;
    }
    
    .date-cell {
        font-size: 0.6rem;
    }
}

/* ========== Courses Page ========== */
.courses-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.course-card {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.course-header {
    padding: var(--spacing-xl);
    background: var(--gradient-purple);
    text-align: center;
}

.course-header i {
    font-size: 48px;
}

.course-body {
    padding: var(--spacing-lg);
}

.course-body h3 {
    margin-bottom: var(--spacing-sm);
}

.course-body p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-lg);
}

.course-progress {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-purple);
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
}

.course-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.empty-courses {
    text-align: center;
    padding: var(--spacing-3xl);
    background: rgba(0, 0, 0, 0.2);
    height: 100%;
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    color: rgba(255, 255, 255, 0.5);
}

.empty-courses i {
    font-size: 64px;
    margin-bottom: var(--spacing-lg);
    display: block;
}

.empty-courses h3 {
    margin-bottom: var(--spacing-md);
}

.empty-courses p {
    margin-bottom: var(--spacing-xl);
}

/* ========== Schedule Page ========== */
.schedule-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.schedule-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.calendar-container {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.calendar-header button {
    background: none;
    border: none;
    color: var(--white);
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: var(--spacing-sm);
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
}

.calendar-day {
    text-align: center;
    padding: var(--spacing-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

.calendar-date {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.calendar-date:hover {
    background: rgba(255, 255, 255, 0.1);
}

.calendar-date.today {
    background: var(--gradient-purple);
    color: var(--white);
}

.calendar-date.has-event::after {
    content: '';
    position: absolute;
    bottom: 4px;
    width: 4px;
    height: 4px;
    background: var(--accent-pink);
    border-radius: var(--radius-full);
}

.upcoming-sessions {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.upcoming-sessions h3 {
    margin-bottom: var(--spacing-lg);
}

.session-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.session-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
}

.session-time {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
    background: rgba(147, 51, 234, 0.2);
    border-radius: var(--radius-md);
    min-width: 60px;
}

.session-time .time {
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.session-time .date {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.7);
}

.session-info {
    flex: 1;
}

.session-info h4 {
    margin: 0 0 var(--spacing-xs);
}

.session-info p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

/* ========== Settings Page ========== */
.settings-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.settings-sections {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.settings-card {
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-left: 10px;
     margin-right: 10px;
}

.settings-card h3 {
    margin-bottom: var(--spacing-lg);
    color: var(--accent-purple);
}

.settings-item {
    margin-bottom: var(--spacing-lg);
}

.settings-item:last-child {
    margin-bottom: 0;
}

.profile-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.profile-img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 3px solid var(--accent-purple);
}

.profile-info h4 {
    margin: 0 0 var(--spacing-xs);
}

.profile-info p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
}

.settings-select {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--font-size-base);
}

.subscription-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.plan-badge {
    align-self: flex-start;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.plan-badge.free {
    background: rgba(107, 114, 128, 0.2);
    color: var(--gray-400);
}

.plan-badge.premium {
    background: rgba(147, 51, 234, 0.2);
    color: var(--accent-purple);
}

.premium-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.premium-features h4 {
    margin: 0;
}

.premium-features ul {
    list-style: none;
    margin: 0;
}

.premium-features li {
    padding: var(--spacing-sm) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.premium-features li i {
    color: var(--success);
}

.settings-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-toggle:last-child {
    border-bottom: none;
}

.settings-link {
    display: block;
    padding: var(--spacing-md) 0;
    color: var(--white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: color var(--transition-fast);
}

.settings-link:last-child {
    border-bottom: none;
}

.settings-link:hover {
    color: var(--accent-purple);
}

.settings-card.danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.logout-btn {
    width: 50%;
    margin-top: var(--spacing-xl);
    margin-bottom: 50px;

}

/* Premium Modal */
.premium-modal {
    max-width: 800px;
}

.pricing-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.plan-card {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
}

.plan-card.premium {
    background: rgba(147, 51, 234, 0.1);
    border-color: var(--accent-purple);
    transform: scale(1.05);
}

.recommended {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-purple);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.plan-card h3 {
    margin-bottom: var(--spacing-md);
}

.price {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.price span {
    font-size: var(--font-size-sm);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
}

.plan-card ul {
    list-style: none;
    margin-bottom: var(--spacing-xl);
    text-align: left;
}

.plan-card li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.plan-card li:last-child {
    border-bottom: none;
}

.plan-card li i {
    color: var(--success);
}

/* Various Modal Styles */
.group-search-container {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.group-search-bar {
    position: relative;
    display: flex;
    align-items: center;
}

.group-search-bar i {
    position: absolute;
    left: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

.group-search-bar input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 32px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--font-size-sm);
}

.group-members-container {
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.group-members-container::-webkit-scrollbar {
    width: 6px;
}

.group-members-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
}

.group-members-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

.friend-select-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 50px;
}

.friend-select-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.friend-select-item.selected {
    background: rgba(147, 51, 234, 0.2);
    border: 1px solid var(--accent-purple);
}

.friend-select-item img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    object-fit: cover;
    flex-shrink: 0;
}

.user-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.username {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--white);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-info {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.friend-select-item .add-btn {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    background: var(--gradient-purple);
    border: none;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    flex-shrink: 0;
}

.selected-friends {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    min-height: 40px;
    align-items: center;
}

.selected-friends:empty {
    display: none;
}

.selected-friend {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(147, 51, 234, 0.2);
    border: 1px solid var(--accent-purple);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
}

.selected-friend img {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.selected-friend .remove-btn {
    background: none;
    border: none;
    color: var(--accent-pink);
    cursor: pointer;
    padding: 0;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
}

/* All other missing styles... */
.invite-link-box {
    display: flex;
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.invite-link-box input {
    flex: 1;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--font-size-sm);
}

.copy-btn {
    padding: var(--spacing-md);
    background: var(--gradient-purple);
    border: none;
    border-radius: var(--radius-md);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.share-btn {
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}

.share-btn.whatsapp {
    background: #25D366;
    border-color: #25D366;
}

.share-btn.facebook {
    background: #1877F2;
    border-color: #1877F2;
}

.share-btn.twitter {
    background: #1DA1F2;
    border-color: #1DA1F2;
}

.share-btn.email {
    background: rgba(255, 255, 255, 0.1);
}

.switch-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.2);
    transition: var(--transition-fast);
    border-radius: var(--radius-full);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: var(--white);
    transition: var(--transition-fast);
    border-radius: var(--radius-full);
}

input:checked + .slider {
    background: var(--gradient-purple);
}

input:checked + .slider:before {
    transform: translateX(24px);
}


/* ========== FIXED LIST APPEARANCES ========== */



.friend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-height: 60px;
}

.friend-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.friend-item img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--accent-purple);
}

.friend-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.friend-info h4 {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--white);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.status {
    font-size: var(--font-size-sm);
    padding: 4px 8px;
    border-radius: var(--radius-full);
    display: inline-block;
    font-weight: 500;
    width: fit-content;
}

.status.online {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.status.offline {
    background: rgba(107, 114, 128, 0.2);
    color: var(--gray-400);
    border: 1px solid var(--gray-400);
}

.friend-item .btn-secondary {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    flex-shrink: 0;
    min-width: 80px;
}

/* Group Settings/Edit Modal - Enhanced */
.members-edit-list {
    max-height: 300px;
    overflow-y: auto;
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.02);
}

.member-edit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    min-height: 60px;
    transition: all var(--transition-fast);
}

.member-edit-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.member-edit-item img {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.member-edit-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.member-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--white);
}

.admin-badge {
    font-size: var(--font-size-xs);
    padding: 4px 12px;
    background: var(--gradient-purple);
    color: var(--white);
    border-radius: var(--radius-full);
    align-self: flex-start;
    font-weight: 600;
}

.member-edit-item .remove-btn {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.member-edit-item .remove-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    transform: scale(1.05);
}

/* Notification Lists - Enhanced */
.notification-list {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.notification-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.notification-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.notification-icon {
    font-size: var(--font-size-xl);
    color: var(--accent-purple);
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: rgba(147, 51, 234, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-info {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--white);
    font-size: var(--font-size-base);
}

.notification-message {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.notification-time {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
}

.notification-close {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notification-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

/* ========== IMPROVED HEADER ICONS/BUTTONS ========== */

/* Chat Header Actions - Enhanced */
.chat-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.btn-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: var(--font-size-base);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent-purple);
    color: var(--accent-purple);
    transform: scale(1.05);
}

.btn-icon.active {
    background: var(--gradient-purple);
    border-color: var(--accent-purple);
    color: var(--white);
}

/* Header Actions in Discussions */
.discussions-header .header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.discussions-header .btn-icon {
    width: 36px;
    height: 36px;
    font-size: var(--font-size-sm);
}

/* Enhanced Group Members List */
.group-members-list {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
}

.group-member-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-height: 70px;
}

.group-member-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.member-avatar-wrapper {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--accent-purple);
}

.member-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-full);
}

.group-member-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 0;
}

.group-member-info h4 {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--white);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.member-university {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.group-member-item .badge {
    flex-shrink: 0;
    align-self: flex-start;
    padding: 4px 12px;
    font-weight: 600;
}

/* MOBILE SPACING FIX - Add this to your existing CSS */
@media screen and (max-width: 767px) {
    html, body {
        width: 100vw;
        max-width: 100vw;
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }
    
    /* Remove the zoom property completely */
    html {
        font-size: 14px; /* Make things smaller without zoom */
        -webkit-text-size-adjust: none;
    }
    
    /* Fix all containers */
    .app-container,
    .main-content,
    .friends-container,
    .friends-sidebar,
    .friends-main {
        width: 100vw;
        max-width: 100vw;
        overflow-x: hidden;
    }
    
    /* Ensure no element exceeds viewport */
    * {
        max-width: 100vw;
        box-sizing: border-box;
    }
}




/* Replace your existing mobile chat fixes with these enhanced ones */
@media (max-width: 767px) {
    /* Viewport height fix for mobile browsers */
    .friends-main.active {
        display: flex !important;
        position: fixed !important;
        top: 60px !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        height: calc(var(--vh, 1vh) * 100 - 60px) !important;
        z-index: 1000 !important;
        background: var(--gradient-dark) !important;
    }
    
    .friends-main.active .chat-area {
        display: flex !important;
        flex-direction: column !important;
        height: 100% !important;
        width: 100% !important;
        position: relative !important;
    }
    
    .friends-main.active .chat-header {
        display: flex !important;
        flex-shrink: 0 !important;
        background: rgba(0, 0, 0, 0.9) !important;
        backdrop-filter: blur(10px) !important;
        position: relative !important;
        z-index: 1002 !important;
    }
    
    .friends-main.active .chat-messages {
        flex: 1 !important;
        display: flex !important;
        flex-direction: column !important;
        overflow-y: auto !important;
        padding: var(--spacing-sm) !important;
        padding-bottom: 120px !important; /* Increased padding */
        margin-bottom: 0 !important;
        height: auto !important;
        min-height: 0 !important;
    }
    
    /* Enhanced chat input positioning */
    .friends-main.active .chat-input {
        position: fixed !important;
        bottom: env(keyboard-inset-height, 0px) !important; /* iOS keyboard support */
        left: 0 !important;
        right: 0 !important;
        background: rgba(0, 0, 0, 0.95) !important;
        backdrop-filter: blur(20px) !important;
        border-top: 2px solid rgba(255, 255, 255, 0.2) !important;
        z-index: 1001 !important;
        padding: 16px !important;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5) !important;
        
        /* Smooth transitions */
        transition: bottom 0.3s ease, transform 0.3s ease !important;
        transform: translateY(0) !important;
    }
    
    /* Input field enhancements */
    .friends-main.active #messageInput {
        font-size: 16px !important; /* Prevents zoom on iOS */
        padding: 12px 16px !important;
        border-radius: 24px !important;
        background: rgba(255, 255, 255, 0.15) !important;
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
    }
    
    /* Button sizing for mobile */
    .friends-main.active .attach-btn,
    .friends-main.active .emoji-btn,
    .friends-main.active #sendBtn {
        min-width: 44px !important;
        min-height: 44px !important;
        touch-action: manipulation !important;
    }
    
    /* Hide mobile nav when in chat */
    body.in-chat .mobile-nav {
        display: none !important;
    }
    
    /* Ensure sidebar is hidden when chat is active */
    .friends-sidebar.chat-active {
        display: none !important;
    }
    
    /* Back button styling */
    .chat-header .back-btn {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 44px !important;
        height: 44px !important;
        background: rgba(255, 255, 255, 0.1) !important;
        border-radius: var(--radius-md) !important;
        transition: all var(--transition-fast) !important;
        touch-action: manipulation !important;
    }
    
    .chat-header .back-btn:hover {
        background: rgba(255, 255, 255, 0.2) !important;
    }
    
    /* Typing indicator positioning */
    .friends-main.active .typing-indicator {
        position: fixed !important;
        bottom: 80px !important; /* Above chat input */
        left: 0 !important;
        right: 0 !important;
        z-index: 1000 !important;
        background: rgba(0, 0, 0, 0.8) !important;
        backdrop-filter: blur(10px) !important;
        margin: 0 !important;
        transition: bottom 0.3s ease !important;
    }
}




/* Daily.co Video Container */
#dailyVideoContainer {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: 9999 !important;
    background: #1a1a1a !important;
}

#dailyVideoContainer iframe {
    width: 100% !important;
    height: 100% !important;
    border: none !important;
}

/* Custom video controls */
#customVideoControls {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10001;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.video-controls-bottom {
    display: flex;
    gap: 10px;
    background: rgba(0, 0, 0, 0.8);
    padding: 10px 20px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
}

.video-control-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 18px;
}

.video-control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.video-control-btn.muted {
    background: rgba(239, 68, 68, 0.5);
    border-color: #EF4444;
}

.video-control-btn.end {
    background: rgba(239, 68, 68, 0.8);
    border-color: #EF4444;
}

.video-timer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
}



/* Group video notification styles */
.notification.group-video {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-left: 4px solid #10B981;
}

.notification.group-video .notification-icon.pulse {
    animation: pulse 2s infinite;
}

.notification-details {
    font-size: 0.85em;
    opacity: 0.9;
    margin-top: 4px;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.btn-primary.pulse {
    animation: pulse-button 1.5s infinite;
}

@keyframes pulse-button {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}







/* Waiting Room Modal Fix */
.waiting-modal {
    display: flex;
    align-items: center;
    justify-content: center;
}

.waiting-animation {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.waiting-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    animation: pulse-logo 2s infinite;
}

.connecting-dots {
    display: flex;
    gap: 8px;
}

.connecting-dots span {
    width: 10px;
    height: 10px;
    background: #6B46C1;
    border-radius: 50%;
    animation: dot-bounce 1.4s infinite ease-in-out both;
}

.connecting-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.connecting-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes pulse-logo {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

@keyframes dot-bounce {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

/* Ensure modal content is centered */
#waitingRoomModal .modal-content {
    max-width: 400px;
    text-align: center;
}

#waitingRoomModal .modal-body.center {
    padding: 40px 20px;
}





/* ========== FIXES FOR MOBILE FRIENDS PAGE ========== */
@media (max-width: 767px) {
    /* Fix 1: Remove black background, use consistent blur effect */
    .friends-sidebar {
        background: rgba(0, 0, 0, 0.2) !important; /* Match desktop transparency */
        backdrop-filter: blur(10px) !important;
    }
    
    /* Ensure proper background for friends main area */
    .friends-main.active {
        background: rgba(0, 0, 0, 0.2) !important;
        backdrop-filter: blur(10px) !important;
    }
}

/* ========== FIX FOR FRIEND REQUEST NOTIFICATION MODAL ========== */
.friend-request-modal .modal-content {
    max-width: 450px;
    padding: 0;
}

.friend-request-modal .modal-body {
    padding: var(--spacing-lg);
}

.friend-request-notification {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    text-align: center;
}

.friend-request-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    border: 3px solid var(--accent-purple);
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(147, 51, 234, 0.3);
}

.friend-request-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.friend-request-info h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    color: var(--white);
    font-weight: 600;
}

.friend-request-info p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-base);
}

.friend-request-actions {
    display: flex;
    gap: var(--spacing-md);
    width: 100%;
    margin-top: var(--spacing-md);
}

.friend-request-actions button {
    flex: 1;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.friend-request-actions .accept-btn {
    background: var(--gradient-purple);
    border: none;
    color: var(--white);
}

.friend-request-actions .accept-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.friend-request-actions .decline-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.friend-request-actions .decline-btn:hover {
    background: rgba(239, 68, 68, 0.2);
    border-color: var(--error);
    color: var(--error);
}

/* ========== FIX FOR FRIENDS LIST MODAL ========== */
.friends-list-modal .modal-content {
    max-width: 600px;
}

.friends-list-modal .modal-body {
    padding: 0;
}

.friends-list-container {
    padding: var(--spacing-lg);
}

.friends-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.friends-list-header h3 {
    margin: 0;
    font-size: var(--font-size-lg);
    color: var(--white);
}

.friends-count {
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(147, 51, 234, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--accent-purple);
    font-weight: 600;
}

.friends-list-display {
    max-height: 450px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-right: var(--spacing-sm);
}

.friends-list-display::-webkit-scrollbar {
    width: 6px;
}

.friends-list-display::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
}

.friends-list-display::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

.friends-list-display::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.friend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    min-height: 70px;
    cursor: pointer;
}

.friend-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(147, 51, 234, 0.5);
    transform: translateX(4px);
}

.friend-avatar-container {
    position: relative;
}

.friend-item img {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid rgba(147, 51, 234, 0.5);
}

.online-indicator {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    background: var(--success);
    border: 2px solid rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-full);
}

.friend-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.friend-info h4 {
    margin: 0;
    font-size: var(--font-size-base);
    color: var(--white);
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.friend-info .status {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.friend-info .status.online {
    color: var(--success);
}

.friend-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.friend-action-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.friend-action-btn:hover {
    background: rgba(147, 51, 234, 0.2);
    border-color: var(--accent-purple);
    color: var(--accent-purple);
}

.friend-action-btn.primary {
    background: var(--gradient-purple);
    border: none;
    color: var(--white);
}

.friend-action-btn.primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Empty friends state */
.friends-list-empty {
    text-align: center;
    padding: var(--spacing-2xl);
    color: rgba(255, 255, 255, 0.5);
}

.friends-list-empty i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    display: block;
    opacity: 0.5;
}

.friends-list-empty h4 {
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
}

.friends-list-empty p {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
}

/* Mobile responsiveness for modals */
@media (max-width: 767px) {
    .friend-request-modal .modal-content,
    .friends-list-modal .modal-content {
        max-width: calc(100vw - 20px);
        margin: 10px;
    }
    
    .friends-list-display {
        max-height: 350px;
    }
    
    .friend-item {
        min-height: 60px;
        padding: var(--spacing-sm);
    }
    
    .friend-item img {
        width: 40px;
        height: 40px;
    }
    
    .friend-info h4 {
        font-size: var(--font-size-sm);
    }
    
    .friend-action-btn {
        padding: var(--spacing-xs);
        font-size: var(--font-size-xs);
    }
}


.premium-modal .pricing-comparison {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.plan-card.yearly {
    transform: scale(1.05);
    border: 2px solid var(--accent-purple);
}

.price-monthly {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-top: -10px;
    margin-bottom: var(--spacing-md);
}






/* Pricing Modal Responsive Fixes */
.premium-modal {
    max-width: 900px !important;
}

.premium-modal .pricing-comparison {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

/* Laptop/Desktop adjustments */
@media (max-width: 1024px) {
    .premium-modal {
        max-width: 750px !important;
    }
    
    .premium-modal .plan-card {
        padding: var(--spacing-lg);
    }
    
    .premium-modal .price {
        font-size: var(--font-size-2xl);
    }
}

/* Tablet adjustments */
@media (max-width: 768px) {
    .premium-modal {
        max-width: 90vw !important;
        margin: var(--spacing-md);
    }
    
    .premium-modal .pricing-comparison {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .premium-modal .plan-card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }
    
    .premium-modal .plan-card.yearly {
        transform: none !important;
    }
}

/* Mobile adjustments */
@media (max-width: 480px) {
    .premium-modal .modal-content {
        padding: 0;
        max-height: 85vh;
        overflow-y: auto;
    }
    
    .premium-modal .modal-header {
        padding: var(--spacing-md);
    }
    
    .premium-modal .modal-body {
        padding: var(--spacing-sm);
    }
    
    .premium-modal .plan-card {
        padding: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
    
    .premium-modal .price {
        font-size: var(--font-size-xl);
    }
    
    .premium-modal .plan-card ul {
        font-size: var(--font-size-xs);
        padding-left: var(--spacing-md);
    }
    
    .premium-modal .plan-card ul li {
        margin-bottom: var(--spacing-xs);
    }
    
    .premium-modal .recommended {
        font-size: var(--font-size-xs);
        padding: 4px 8px;
    }
}


/* Three Cards Row Layout */
.learning-cards-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.card-section.card-small {
    flex: 1;
    min-height: 120px;
    max-height: 140px;
}

.card-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60px;
}

.empty-number {
    font-size: 2rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.3);
    margin: 0;
}

.start-learning-prompt {
    text-align: center;
    padding: 1.5rem 1rem;
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(206, 147, 216, 0.2);
    border-radius: 0.75rem;
    margin-top: 1rem;
}

.start-learning-prompt p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin: 0;
}

/* Mobile responsiveness for cards row */
@media (max-width: 768px) {
    .learning-cards-row {
        flex-direction: column;
    }
}



/* Add this to fix mobile chat input visibility */
@media (max-width: 767px) {
    .friends-main.active .chat-input {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        background: rgba(0, 0, 0, 0.95) !important;
        backdrop-filter: blur(20px) !important;
        border-top: 2px solid rgba(255, 255, 255, 0.2) !important;
        z-index: 1001 !important;
        display: flex !important;
        padding: var(--spacing-md) !important;
        gap: var(--spacing-sm) !important;
        align-items: center !important;
    }
    
    .friends-main.active #messageInput {
        flex: 1 !important;
        min-height: 40px !important;
        display: block !important;
        visibility: visible !important;
    }
}


/* Fix dropdown visibility across all devices */
select, 
select option,
.settings-select,
.settings-select option {
    background-color: rgba(30, 30, 50, 0.95) !important;
    color: var(--white) !important;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem !important;
}

select option {
    background: rgb(30, 30, 50) !important;
    color: var(--white) !important;
    padding: var(--spacing-sm);
}

/* Mobile specific select fixes */
@media (max-width: 767px) {
    select {
        font-size: 16px !important; /* Prevents zoom on iOS */
        min-height: 44px; /* Apple's recommended touch target */
    }
}

/* Dark theme for native mobile selects */
@media (prefers-color-scheme: dark) {
    select {
        background-color: rgba(30, 30, 50, 0.95) !important;
        color: var(--white) !important;
    }
}





/* Member actions in groups */
.member-actions {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.btn-icon.danger {
    background: rgba(239, 68, 68, 0.2);
}

.btn-icon.danger:hover {
    background: rgba(239, 68, 68, 0.4);
}

/* Message seen indicators */
.message-meta {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 4px;
}

.message-status {
    display: flex;
    gap: 2px;
}

.message-status .fa-check {
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
}

.message-status .fa-check-double.seen {
    color: #00bfa5;
}

/* Privacy settings */
.settings-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
}

.switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #6B46C1;
}

input:checked + .slider:before {
    transform: translateX(24px);
}



/* Call indicators cleanup */
.discussion-item.has-call .call-indicator {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 18px;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.discussion-item:not(.has-call) .call-indicator,
.discussion-item:not(.has-call) .join-call-btn {
    display: none !important;
}

/* Blocked user styling */
.friend-item.blocked {
    opacity: 0.5;
    pointer-events: none;
}

/* Direct chat button */
.btn-chat {
    background: #6B46C1;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-chat:hover {
    background: #5835B0;
    transform: translateY(-2px);
}

/* Group member item layout */
.group-member-item {
    display: flex;
    align-items: center;
    padding: 12px;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.group-member-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.group-member-info {
    flex: 1;
    margin-left: 12px;
}

.member-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}


/* Document Message Styles */
.message-document {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    margin: 4px 0;
    max-width: 280px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.message-document:hover {
    background: var(--bg-hover);
    transform: translateY(-1px);
}

.document-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.document-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
}

.document-icon.pdf { background: #e53e3e; }
.document-icon.doc { background: #3182ce; }
.document-icon.xls { background: #38a169; }
.document-icon.ppt { background: #d69e2e; }
.document-icon.img { background: #805ad5; }
.document-icon.default { background: var(--text-secondary); }

.document-details {
    flex: 1;
}

.document-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.document-size {
    font-size: 12px;
    color: var(--text-secondary);
}

.document-download {
    color: var(--primary);
    font-size: 18px;
}

/* File Upload Area */
.file-upload-area {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    background: var(--bg-secondary);
    margin: 12px 0;
    transition: all 0.3s ease;
}

.file-upload-area.dragover {
    border-color: var(--primary);
    background: rgba(103, 126, 234, 0.05);
}

.file-upload-area input {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.upload-text {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Message Status Icons */
.message-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
}

.message-tick {
    font-size: 14px;
    color: var(--text-secondary);
}

.message-tick.delivered {
    color: var(--text-secondary);
}

.message-tick.seen {
    color: #4fc3f7;
}



/* Admin Assignment in Group Info */
.member-admin-actions {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.admin-assign-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

.admin-badge {
    background: var(--success);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

.mobile-menu-overlay.active {
    display: block;
}

/* Invite Friends Button in Sidebar */
.sidebar-invite-btn {
    margin: 12px 16px;
    padding: 12px 16px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-invite-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(103, 126, 234, 0.3);
}

/* Mobile responsiveness */
@media (max-width: 767px) {
    .page-header-actions {
        display: none; /* Hidden on mobile as we have mobile header */
    }
    
    .emoji-picker {
        width: 280px;
        height: 350px;
        right: 10px;
    }
}







/* Emoji Picker */
.emoji-picker {
    position: absolute;
    bottom: 60px;
    right: 50px;
    width: 250px;
    height: 250px;
    background: rgba(26, 0, 51, 0.85);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    display: none;
    flex-direction: column;
    z-index: 1000;
}

.emoji-picker.show {
    display: flex;
}

.emoji-picker-header {
    display: flex;
    padding: 3px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.emoji-category-tab {
    flex: 1;
    background: none;
    border: none;
    padding: 2px;
    cursor: pointer;
    font-size: 20px;
    opacity: 0.6;
    transition: all 0.2s;
}

.emoji-category-tab.active {
    opacity: 1;
    background: rgba(255,255,255,0.1);
    border-radius: 6px;
}

.emoji-picker-body {
    flex: 1;
    padding: 2px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 5px;
}

.emoji-item {
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s;
    font-size: 20px;
}

.emoji-item:hover {
    background: rgba(255,255,255,0.1);
}









/* File Preview */
.file-preview {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    padding: 10px;
    margin: 10px;
    position: relative;
}

.file-preview-content {
    position: relative;
    display: inline-block;
}

.file-preview img {
    max-height: 150px;
    max-width: 200px;
    border-radius: 8px;
}

.file-icon {
    font-size: 48px;
    color: var(--primary);
    padding: 20px;
}

.remove-file {
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(0,0,0,0.8);
    border: none;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
}

.file-info {
    margin-top: 8px;
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    opacity: 0.8;
}

/* File Messages */
.file-message .message-image img {
    max-width: 300px;
    max-height: 300px;
    border-radius: 8px;
    cursor: pointer;
}

.message-file {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(0,0,0,0.2);
    border-radius: 8px;
}

.message-file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    opacity: 0.8;
    margin-top: 5px;
}

.download-btn {
    color: var(--primary);
    padding: 5px;
}

/* Image Modal */
.image-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.image-modal-content img {
    max-width: 90%;
    max-height: 90vh;
}

/* Mobile adjustments */
@media (max-width: 767px) {
    .file-message .message-image img {
        max-width: 200px;
    }
}


#messageInput {
    flex: 1;
    border: none;
    background: transparent;
    color: white;
    padding: 8px 10px;
    font-size: 14px;
    resize: none;
    max-height: 100px;
    overflow-y: auto;
    font-family: inherit;
    line-height: 1.5;
    min-height: 36px;
    display: flex;
    align-items: center;
}

#messageInput:focus {
    outline: none;
}

.chat-input {
    align-items: flex-end; /* Align items to bottom when textarea expands */
}



/* Message Footer and Ticks */
.message-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: 4px;
    font-size: 11px;
    opacity: 0.7;
}

.message-time {
    font-size: 11px;
}

.message-ticks {
    display: inline-block;
    font-size: 14px;
    color: #888;
    margin-left: 4px;
}

.message-ticks.delivered {
    color: #888;
}

.message-ticks.read {
    color: #25D366;
}

/* For own messages, align footer to the right */
.message.own .message-footer {
    justify-content: flex-end;
}





/* Settings page specific */
.page-header-with-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

/* Mobile responsive */
@media (max-width: 767px) {
    .page-header-stats,
    .header-stats {
        position: fixed;
        top: 60px;
        right: 10px;
        z-index: 100;
    }
    
    .stat-item {
        padding: 6px 10px;
    }
    
    .stat-item i {
        font-size: 14px;
    }
    
    .stat-item span {
        font-size: 12px;
    }
    
    .header-right-section {
        flex-direction: column;
        align-items: flex-end;
    }
}

@media (min-width: 768px) {
    .sidebar {
        position: sticky;
        top: 0;
        height: 100vh;
        overflow-y: auto;
        float: left;
        width: 250px;
    }
    
    .app-container {
        display: flex;
        min-height: 100vh;
    }
    
    .main-content {
        flex: 1;
        overflow-y: auto;
        height: 100vh;
    }
}




.blocked-users-list {
    max-height: 200px;
    overflow-y: auto;
    margin: 10px 0;
}

.blocked-user-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 8px;
}

.blocked-user-item img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.blocked-user-item span {
    flex: 1;
}

.discussion-item.new-discussion {
    animation: slideInFade 0.3s ease-out;
    background-color: rgba(107, 70, 193, 0.1);
}

@keyframes slideInFade {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message-count {
    animation: pulse 0.5s ease-out;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.notification.clickable:hover {
    transform: translateX(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    cursor: pointer;
}

.notification.clickable .notification-info {
    pointer-events: none; /* Prevent text selection on click */
}

.notification.clickable .notification-close {
    pointer-events: all; /* Keep close button clickable */
}


/* Complete Courses Page Styles - Exact Match to Image */
.courses-container {
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
}

/* Header with greeting and stats */
.courses-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 0;
}

.user-greeting {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-greeting h2 {
    color: white;
    font-size: 28px;
    font-weight: 600;
    margin: 0;
}

.premium-badge {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.header-stats {
    display: flex;
    gap: 20px;
}

.header-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    color: white;
}

/* Statistics Cards Row */
.stats-cards-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 15px;
    padding: 20px;
    text-align: center;
}

.stat-card h3 {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 500;
    margin: 0 0 10px 0;
    text-transform: uppercase;
}

.stat-card .stat-number {
    color: white;
    font-size: 36px;
    font-weight: 700;
}

/* Periods and Subjects Container */
.periods-subjects-container {
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 30px;
}

/* Period Section */
.period-section {
    margin-bottom: 40px;
}

.period-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.period-title {
    display: flex;
    align-items: center;
    gap: 15px;
}

.period-name {
    color: white;
    font-size: 20px;
    font-weight: 600;
}

.period-dates {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.view-hide-btn {
    background: rgba(139, 92, 246, 0.2);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-hide-btn:hover {
    background: rgba(139, 92, 246, 0.4);
    transform: scale(1.1);
}

/* Subject Cards Row */
.subject-cards-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 25px;
}


.subject-card-content h4 {
    color: white;
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px 0;
}

.subject-exam {
    color: rgba(255, 255, 255, 0.9);
    font-size: 13px;
}

.subject-edit-btn,
.subject-view-btn {
    position: absolute;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
}

.subject-card:hover .subject-edit-btn,
.subject-card:hover .subject-view-btn {
    opacity: 1;
}

.subject-edit-btn {
    top: 10px;
    right: 10px;
}

.subject-view-btn {
    top: 10px;
    right: 45px;
}

.subject-edit-btn:hover,
.subject-view-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}



.add-subject-card span {
    color: rgba(139, 92, 246, 0.8);
    font-size: 14px;
    font-weight: 500;
}

/* Subject Courses Section */
.subject-courses-section {
    background: rgba(139, 92, 246, 0.08);
    border-radius: 12px;
    padding: 20px;
}

.subject-courses-section h3 {
    color: white;
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 15px 0;
}

.courses-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.course-item {
    background: rgba(139, 92, 246, 0.2);
    padding: 15px 20px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.course-item:hover {
    background: rgba(26, 0, 51, 0.6);
    transform: translateX(5px);
}

.course-name {
    color: white;
    font-size: 15px;
    font-weight: 500;
}

.course-actions {
    display: flex;
    gap: 10px;
}

.course-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 8px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.course-btn:hover {
    background: rgba(139, 92, 246, 0.4);
    transform: scale(1.1);
}

.no-courses {
    text-align: center;
    padding: 30px;
    color: rgba(255, 255, 255, 0.5);
}

/* Add Period Section */
.add-period-section {
    display: flex;
    justify-content: center;
    padding: 20px;
    border: 2px dashed rgba(139, 92, 246, 0.3);
    border-radius: 15px;
    margin-top: 20px;
}

.add-period-btn {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-period-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
}

/* Bottom Action Buttons */
.courses-bottom-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.practice-now-btn {
    flex: 1;
    padding: 15px 30px;
    background: linear-gradient(135deg, #5b21b6, #1d4ed8);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.practice-now-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(236, 72, 153, 0.4);
}

.add-course-btn {
    padding: 15px 30px;
    background: rgba(139, 92, 246, 0.2);
    border: 2px solid rgba(139, 92, 246, 0.5);
    color: white;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-course-btn:hover {
    background: rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .courses-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .stats-cards-row {
        grid-template-columns: 1fr;
    }
    
    .subject-cards-row {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .courses-bottom-actions {
        flex-direction: column;
    }
    
    .add-course-btn,
    .practice-now-btn {
        width: 100%;
    }
}


/* Courses Page Styles */
.courses-container {
    padding: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    height: calc(100vh - 130px);
    display: flex;
    flex-direction: column;
}

.courses-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
}

.courses-stats {
    display: flex;
    gap: var(--spacing-lg);
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    min-width: 100px;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--white);
}

.period-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(147, 51, 234, 0.2);
    border-radius: var(--radius-md);
}

.subject-tabs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    overflow-x: auto;
}

.subject-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gradient-purple);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.subject-tab:hover {
    transform: translateY(-2px);
}


/* Fix for empty courses area height */
.courses-list {
    flex: 1;
    overflow-y: auto;
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    min-height: 400px; /* Add minimum height */
    display: flex;
    flex-direction: column;
}

.empty-courses {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3xl);
    text-align: center;
    flex: 1; /* Take full available height */
    min-height: 300px; /* Ensure minimum visible height */
}

.empty-courses .emoji {
    font-size: 64px; /* Make emoji bigger */
    margin-bottom: var(--spacing-lg);
}

.empty-courses h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.empty-courses p {
    font-size: var(--font-size-md);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xl);
}

/* Fix for course item and eye button styling */
.course-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(147, 51, 234, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.course-item:hover {
    background: rgba(147, 51, 234, 0.1);
    transform: translateX(4px);
}

.course-name {
    flex: 1;
    font-size: var(--font-size-md);
    color: var(--white);
    font-weight: 500;
}

.view-course-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
}

.view-course-btn:hover {
    background: var(--gradient-purple);
    border-color: transparent;
    transform: scale(1.1);
}

.view-course-btn i {
    font-size: 16px;
}

/* Period button styling */
.period-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.period-btn:hover {
    background: rgba(147, 51, 234, 0.3);
    transform: scale(1.05);
}

/* Edit subject button */
.edit-subject-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: var(--spacing-sm);
}

.edit-subject-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}



.courses-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.practice-now-btn {
    flex: 1;
}

/* Course Type Modal */
.course-type-options {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    margin: var(--spacing-xl) 0;
}

.type-option {
    padding: var(--spacing-xl);
    background: rgba(147, 51, 234, 0.1);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 150px;
}

.type-option:hover {
    background: rgba(147, 51, 234, 0.2);
    transform: translateY(-2px);
}

.type-option i {
    font-size: 48px;
    color: var(--accent-purple);
}

/* File Upload Area */
.file-upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload-area:hover {
    border-color: var(--accent-purple);
    background: rgba(147, 51, 234, 0.05);
}

.file-upload-area i {
    font-size: 48px;
    color: var(--accent-purple);
    margin-bottom: var(--spacing-md);
}

.selected-file {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: rgba(147, 51, 234, 0.1);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

/* Color Picker */
.color-picker {
    display: grid;
    grid-template-columns: repeat(6, 40px);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.color-option:hover,
.color-option.selected {
    border-color: var(--white);
    transform: scale(1.1);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .courses-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .courses-stats {
        width: 100%;
        justify-content: space-around;
    }
    
    .subject-tabs {
        overflow-x: scroll;
        -webkit-overflow-scrolling: touch;
    }
}

.add-subject-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(147, 51, 234, 0.2);
    border: 2px dashed rgba(147, 51, 234, 0.5);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
    color: var(--white);
}

.add-subject-tab:hover {
    background: rgba(147, 51, 234, 0.3);
    transform: translateY(-2px);
}

.color-picker {
    display: grid;
    grid-template-columns: repeat(8, 40px);
    gap: 8px;
    margin-top: 8px;
}

.color-option {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all 0.3s;
}

.color-option:hover {
    transform: scale(1.1);
}

.color-option.selected {
    border-color: #fff;
    box-shadow: 0 0 0 2px rgba(147, 51, 234, 0.5);
}

.add-new-btn {
    margin-left: 8px;
    padding: 4px 12px;
    background: var(--gradient-purple);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
}

.file-upload-area {
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.file-upload-area:hover {
    border-color: var(--accent-purple);
    background: rgba(147, 51, 234, 0.05);
}

.selected-file {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1rem;
    background: rgba(147, 51, 234, 0.1);
    border-radius: var(--radius-md);
    margin-top: 0.5rem;
}


/* Add this CSS to handle modal stacking properly */

/* Base modal z-index */
.modal {
    z-index: 1000;
}

/* Active/last-opened modal gets higher z-index */
.modal.modal-active {
    z-index: 1100;
}

/* Ensure modal backdrop layers properly */
.modal.modal-stacked {
    z-index: 1050;
}

/* Fix for nested modals - higher z-index for child modals */
.modal.modal-child {
    z-index: 1200;
}





.periods-list {
    max-height: 400px;
    overflow-y: auto;
    margin-bottom: 20px;
}

.period-item {
    background: rgba(147, 51, 234, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
}

.period-item:hover {
    background: rgba(147, 51, 234, 0.2);
}

.period-info {
    flex: 1;
}

.period-name {
    font-weight: 600;
    color: var(--white);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.period-dates {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
}

.period-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon-small {
    padding: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon-small:hover {
    background: rgba(147, 51, 234, 0.3);
    transform: scale(1.05);
}

.edit-course-btn {
    padding: 6px 10px;
    background: rgba(147, 51, 234, 0.2);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-left: 8px;
}

.edit-course-btn:hover {
    background: rgba(147, 51, 234, 0.4);
    transform: scale(1.05);
}

.course-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: rgba(147, 51, 234, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.course-item:hover {
    background: rgba(26, 0, 51, 0.5);
}

.course-actions {
    display: flex;
    gap: 8px;
}

.active-period {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.color-indicator {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-left: 8px;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: space-between;
    margin-top: var(--spacing-lg);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
}






/* Periods Section */
.periods-section {
    margin-bottom: 30px;
}

.periods-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.periods-header h3 {
    color: white;
    font-size: 20px;
}

.btn-add-period {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn-add-period:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.periods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.period-card {
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(10px);
    border: 2px solid;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    transition: all 0.3s ease;
}

.period-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.period-color-bar {
    height: 5px;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.period-card-content {
    padding: 20px;
}

.period-card h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 10px;
}

.period-dates {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.active-badge {
    display: inline-block;
    background: #22c55e;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    margin-top: 10px;
}

.period-actions {
    display: flex;
    gap: 10px;
    padding: 0 20px 20px;
}

.btn-action-icon {
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-action-icon:hover {
    background: rgba(139, 92, 246, 0.4);
    transform: scale(1.1);
}

.no-periods-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: rgba(255, 255, 255, 0.6);
}

.no-periods-message i {
    font-size: 48px;
    margin-bottom: 20px;
}

/* Processing Modal */
.processing-modal {
    max-width: 500px;
}

.processing-animation {
    margin: 40px auto;
    width: 100px;
    height: 100px;
    position: relative;
}

.processing-spinner {
    position: relative;
    width: 100px;
    height: 100px;
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: #8b5cf6;
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}

.spinner-ring:nth-child(2) {
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
    border-top-color: #ec4899;
    animation-duration: 1.2s;
}

.spinner-ring:nth-child(3) {
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
    border-top-color: #06b6d4;
    animation-duration: 1s;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.processing-status {
    color: #a78bfa;
    font-size: 16px;
    margin: 20px 0;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: rgba(139, 92, 246, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin: 30px 0;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #8b5cf6, #ec4899, #06b6d4);
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 4px;
}

.processing-steps {
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-align: left;
    width: 100%;
}

.processing-steps .step {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.processing-steps .step.active {
    color: white;
}

.processing-steps .step.completed {
    color: #22c55e;
}

.processing-steps .step i {
    font-size: 18px;
}

.processing-steps .step.completed i {
    color: #22c55e;
}

.processing-steps .step.active i {
    color: #8b5cf6;
    animation: pulse 1s infinite;
}

/* Multiple file upload */
.file-upload-area {
    border: 2px dashed rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload-area:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.5);
}

.selected-file {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(139, 92, 246, 0.1);
    padding: 10px 15px;
    border-radius: 8px;
    margin-top: 10px;
}


/* Add these styles to your styles.css or update existing ones */

/* Periods Container */
.periods-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.period-row {
    background: rgba(26, 0, 51, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    overflow: hidden;
}

.period-header-bar {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: white;
}

.period-info h4 {
    font-size: 20px;
    margin-bottom: 5px;
}

.period-dates {
    font-size: 14px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 5px;
}

.subjects-row {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
    background: rgba(0, 0, 0, 0.2);
}

.subject-card {
    padding: 15px;
    border-radius: 10px;
    color: white;
    position: relative;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.subject-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.subject-card h5 {
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: 600;
}

.exam-date {
    font-size: 12px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: auto;
}

.subject-actions {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.btn-subject-action {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-subject-action:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.add-subject-card {
    background: rgba(147, 51, 234, 0.1);
    border: 2px dashed rgba(147, 51, 234, 0.3);
    border-radius: 10px;
    padding: 15px;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: rgba(255, 255, 255, 0.7);
}

.add-subject-card:hover {
    background: rgba(147, 51, 234, 0.2);
    border-color: rgba(147, 51, 234, 0.5);
    color: white;
}

.add-subject-card i {
    font-size: 24px;
}

/* Course item updates */
.course-meta {
    display: flex;
    align-items: center;
    gap: 10px;
}

.course-subject {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .subjects-row {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}



/* Universal Confirmation Modal Styles */
.confirmation-modal {
    max-width: 450px;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.confirmation-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: iconPulse 2s infinite;
}

@keyframes iconPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.confirmation-icon i {
    font-size: 36px;
    color: #ef4444;
}

.confirmation-icon.warning i {
    color: #f97316;
}

.confirmation-icon.info i {
    color: #3b82f6;
}

.confirmation-icon.success i {
    color: #22c55e;
}

#confirmTitle {
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
}

#confirmMessage {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
    line-height: 1.5;
}

.confirmation-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.confirmation-actions button {
    min-width: 120px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Different styles for different confirmation types */
.confirmation-modal.delete-confirm .confirmation-icon {
    background: rgba(239, 68, 68, 0.1);
}

.confirmation-modal.delete-confirm #confirmButton {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.confirmation-modal.action-confirm .confirmation-icon {
    background: rgba(139, 92, 246, 0.1);
}

.confirmation-modal.action-confirm #confirmButton {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}



/* Detail Modal Styles */
.detail-section {
    padding: 20px 0;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
}

.detail-row:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(5px);
}

.detail-label {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.detail-value {
    font-weight: 500;
    color: white;
    font-size: 15px;
}

.modal-actions {
    margin-top: 30px;
    display: flex;
    gap: 10px;
    justify-content: center;
}

.delete-course-btn {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    padding: 5px;
    transition: all 0.3s ease;
}

.delete-course-btn:hover {
    color: #dc2626;
    transform: scale(1.1);
}





  /* Course Type Selection */
.course-type-options {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 30px 0;
}

.type-option {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 150px;
}

.type-option:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.type-option i {
    font-size: 48px;
    color: var(--primary-color);
    display: block;
    margin-bottom: 15px;
}

/* Quick Add Buttons */
.form-group.with-add-btn {
    position: relative;
}

.select-with-add {
    display: flex;
    gap: 10px;
    align-items: center;
}

.select-with-add select {
    flex: 1;
}

.add-inline-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.add-inline-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(147, 51, 234, 0.4);
}

/* Document Upload Row */
.documents-upload-row {
    display: flex;
    gap: 15px;
}

.file-upload-box {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload-box:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

.file-upload-box.uploaded {
    background: rgba(34, 197, 94, 0.1);
    border-color: #22c55e;
}

.file-upload-box i {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* Book Pages Modal */
.large-modal .modal-content {
    max-width: 90vw;
    width: 1200px;
}

.book-pages-body {
    display: flex;
    gap: 30px;
    height: 600px;
}

.book-courses-sidebar {
    width: 350px;
    overflow-y: auto;
}

.book-pages-preview {
    flex: 1;
    overflow-y: auto;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 20px;
}

#bookPagesGrid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
}

.page-preview {
    background: white;
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.page-preview:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.page-preview.selected-start {
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

.page-preview.selected-end {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.page-preview.in-range {
    background: rgba(147, 51, 234, 0.1);
}

.page-number {
    position: absolute;
    bottom: 5px;
    right: 5px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
}

/* Book Course Cards */
.book-course-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
}

.book-course-card input {
    width: 100%;
    margin-bottom: 10px;
}

.page-range-inputs {
    display: flex;
    gap: 10px;
    align-items: center;
}

.page-range-inputs input {
    width: 80px;
}

/* Periods Dropdown */
.periods-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.periods-dropdown {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.course-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.course-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Courses Filter */
.courses-filter {
    display: flex;
    gap: 15px;
}

.courses-filter input {
    flex: 1;
    
}
   

/* Period visibility control */
.period-hidden {
    display: none !important;
}

.periods-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.periods-dropdown {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
}

.periods-dropdown option {
    background: #2d1b69;
    color: white;
}

/* Courses list section */
.courses-list-section {
    margin-top: 30px;
}

.courses-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.courses-filter {
    display: flex;
    gap: 15px;
    align-items: center;
}

.courses-filter input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    width: 250px;
}

.courses-filter select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
}

/* Make course items clickable */
.course-item {
    cursor: pointer;
    transition: all 0.3s ease;
}

.course-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(5px);
}    

.to-learn-section-exact {
    width: 100% !important;
    max-width: 400px !important;
    margin: 0 auto !important;
}

.to-learn-title {
    color: white !important;
    font-size: 24px !important;
    font-style: italic !important;
    font-weight: 400 !important;
    margin-bottom: 20px !important;
    margin-left: 5px !important;
}

.course-cards-stack {
    display: flex !important;
    flex-direction: column !important;
    gap: 15px !important;
    width: 100%;
}

.course-card-exact {
    background: rgba(10, 0, 20, 0.7) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 12px !important;
    padding: 20px !important;
    position: relative !important;
    padding-left: 0px;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    width: 100%;
}

.course-card-exact:hover {
    background: rgba(10, 0, 20, 0.85) !important;
    transform: translateX(5px) !important;
}

.course-content-exact {
    margin-bottom: 15px !important;
}

.course-name-exact {
    color: white !important;
    font-size: 16px !important;
    font-style: italic !important;
    margin-bottom: 8px !important;
    font-weight: 400 !important;
}

.exam-date-exact {
    color: rgba(255, 255, 255, 0.7) !important;
    font-size: 13px !important;
    margin-bottom: 12px !important;
    display: flex !important;
    align-items: center !important;
    gap: 5px !important;
}

.triangle {
    color: #ff4444 !important;
    font-size: 10px !important;
}

.progress-bar-exact {
    width: 100% !important;
    height: 3px !important;
    background: rgba(255, 255, 255, 0.1) !important;
    border-radius: 2px !important;
    overflow: hidden !important;
    margin-bottom: 8px !important;
}

.progress-fill-exact {
    height: 100% !important;
    width: 0% !important;
    background: linear-gradient(90deg, #8b5cf6, #ec4899) !important;
    border-radius: 2px !important;
}

.progress-text-exact {
    color: rgba(255, 255, 255, 0.5) !important;
    font-size: 12px !important;
    font-weight: 300 !important;
}

.view-course-button-exact {
    background: white !important;
    color: #1a0033 !important;
    border: none !important;
    padding: 10px 24px !important;
    border-radius: 20px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    cursor: pointer !important;
    float: right !important;
    transition: all 0.3s ease !important;
    display: inline-flex !important;
    align-items: center !important;
}

.view-course-button-exact:hover {
    background: #f0f0f0 !important;
    transform: translateX(3px) !important;
}

.join-us-exact {
    text-align: center !important;
    color: rgba(255, 255, 255, 0.4) !important;
    font-size: 14px !important;
    font-style: italic !important;
    margin-top: 20px !important;
}

/* Exam Cards */
.exam-cards-wrapper {
    position: relative;
    overflow: hidden;
}

.exam-cards-container {
    display: flex;
    gap: 12px;
    transition: transform 0.3s ease;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 5px 0;
}

.exam-cards-container::-webkit-scrollbar {
    display: none;
}

.exam-card {
    min-width: 100px;
    height: 120px;
    border-radius: 12px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.exam-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.exam-month {
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 4px;
}

.exam-day {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.exam-subject {
    font-size: 11px;
    font-weight: 500;
}

.exam-scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(139, 92, 246, 0.8);
    border: none;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
}

.exam-scroll-btn.left {
    left: -5px;
}

.exam-scroll-btn.right {
    right: -5px;
}



/* AI Chatbot Styles */
#aiChatbotContainer {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
}

.ai-chatbot-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: deeppink;
    border: 5px solid purple;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(236, 72, 153, 0.4);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
}

.ai-chatbot-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(236, 72, 153, 0.5);
}

.chatbot-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.ai-chat-window {
    position: fixed;
    bottom: 90px;
    right: 20px;
    width: 380px;
    height: 500px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 10001;
}

.ai-chat-window.active {
    display: flex;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ai-chat-header {
    background: linear-gradient(135deg, #1a0033 0%, #2d1b69 100%);
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.minimize-btn, .close-btn {
    color: #ec4899;
    cursor: pointer;
    font-size: 14px;
    transition: color 0.3s ease;
}

.minimize-btn:hover, .close-btn:hover {
    color: #f9a8d4;
}

.ai-chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #f8f9fa;
}

.ai-message, .user-message {
    margin-bottom: 15px;
    display: flex;
}

.user-message {
    justify-content: flex-end;
}

.message-bubble {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.5;
}

.ai-bubble {
    background: white;
    color: #333;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.user-bubble {
    background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    color: white;
}

.ai-chat-input-container {
    padding: 15px;
    background: white;
    border-top: 1px solid #e5e7eb;
    display: flex;
    gap: 10px;
    align-items: center;
}

.ai-chat-input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid #e5e7eb;
    border-radius: 25px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
}

.ai-chat-input:focus {
    border-color: #ec4899;
}

.area-select-btn {
    width: 40px;
    height: 40px;
    border: 2px dashed #8b5cf6;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: #8b5cf6;
}

.area-select-btn:hover {
    background: #f3e8ff;
    border-color: #ec4899;
    color: #ec4899;
}

.area-select-btn.active {
    background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    color: white;
    border: none;
}

.ai-send-btn {
    padding: 10px 25px;
    background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ai-send-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

/* Area Selection Styles */
.area-selection-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10003; /* Higher than modals */
    cursor: crosshair;
}

.area-selection-overlay.hidden {
    display: none;
}

.selection-box {
    position: absolute;
    border: 2px dashed #ec4899;
    background: rgba(236, 72, 153, 0.1);
    pointer-events: none;
    border-radius: 4px;
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.3);
}

.selection-popup {
    position: fixed;
    background: white;
    border-radius: 10px;
    padding: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    z-index: 10004; /* Highest z-index */
    display: flex;
    gap: 10px;
}

.selection-popup.hidden {
    display: none;
}

.selection-popup button {
    padding: 8px 20px;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.selection-popup button:first-child {
    background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
    color: white;
}

.selection-popup button:last-child {
    background: #f3f4f6;
    color: #6b7280;
}

.selection-popup button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Loading animation */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
    background: white;
    border-radius: 18px;
    width: fit-content;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: #8b5cf6;
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .ai-chat-window {
        width: 90%;
        right: 5%;
        bottom: 80px;
        height: 60vh;
    }
}

/* Selection UI Improvements */
::selection {
    background: rgba(139, 92, 246, 0.3);
    color: white;
}

::-moz-selection {
    background: rgba(139, 92, 246, 0.3);
    color: white;
}

#selectionInstruction {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { 
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to { 
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}







/* Schedule Styles - Matching PDF Design */
.schedule-container {
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.schedule-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-arrow {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: #a78bfa;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-arrow:hover {
    background: rgba(139, 92, 246, 0.2);
}

#scheduleTitle {
    font-size: 24px;
    font-weight: 600;
    color: white;
}

.schedule-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.view-btn {
    padding: 8px 20px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: #a78bfa;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-btn.active {
    background: linear-gradient(135deg, #8b5cf6, #a78bfa);
    color: white;
    border-color: transparent;
}

/* Calendar Grid */
.schedule-calendar {
    background: rgba(30, 20, 60, 0.5);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 20px;
    padding: 20px;
    backdrop-filter: blur(10px);
}

.calendar-header {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.day-header {
    text-align: center;
    font-weight: 500;
    color: #a78bfa;
    padding: 10px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    min-height: 500px;
}

.calendar-day {
    background: rgba(30, 20, 60, 0.3);
    border: 1px solid rgba(139, 92, 246, 0.1);
    border-radius: 12px;
    padding: 10px;
    min-height: 120px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.calendar-day:hover {
    background: rgba(30, 20, 60, 0.5);
    border-color: rgba(139, 92, 246, 0.3);
}

.day-number {
    font-size: 14px;
    color: #a78bfa;
    margin-bottom: 8px;
}

.day-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Event Blocks */
.event-block {
    background: #1a1a2e;
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.event-block:hover {
    transform: translateX(2px);
}

/* Course Review Blocks */
.course-block {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: white;
    font-weight: 500;
}

.course-block:hover {
    transform: translateX(2px);
    filter: brightness(1.1);
}

/* Rest Day Styles */
.rest-day-mode .calendar-day {
    cursor: pointer;
}

.rest-day-mode .calendar-day:not(.rest-day):hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
}

.calendar-day.rest-day {
    background: rgba(239, 68, 68, 0.2);
    border-color: #ef4444;
}

.calendar-day.rest-day .day-number {
    color: #ef4444;
}

.rest-day-mode .calendar-day:not(.rest-day) {
    background: rgba(59, 130, 246, 0.1);
    border-color: #3b82f6;
}

.rest-day-mode .calendar-day:not(.rest-day) .day-number {
    color: #60a5fa;
}

/* Rest Day Mode Button */
#restDayBtn.active {
    background: linear-gradient(135deg, #ef4444, #f87171);
    color: white;
    border-color: transparent;
}

/* Modal Styles for Schedule */
.review-courses-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.review-course-item {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: 15px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
}

.review-course-item:hover {
    background: rgba(139, 92, 246, 0.2);
    transform: translateX(5px);
}

/* Week View Specific */
.week-view .calendar-grid {
    grid-template-columns: repeat(7, 1fr);
}

.week-view .calendar-day {
    min-height: 400px;
}

/* Month View Specific */
.month-view .calendar-grid {
    grid-template-columns: repeat(7, 1fr);
    grid-auto-rows: minmax(100px, auto);
}

.month-view .calendar-day {
    min-height: 100px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .schedule-header {
        flex-direction: column;
        gap: 20px;
    }
    
    .schedule-controls {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .calendar-grid {
        gap: 5px;
    }
    
    .calendar-day {
        min-height: 80px;
        padding: 5px;
    }
    
    .event-block, .course-block {
        font-size: 10px;
        padding: 2px 4px;
    }
}



/* Add these styles to your styles.css file */

/* Home Page Calendar Widget Updates */
.calendar-widget {
    background: rgba(26, 0, 51, 0.95);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.calendar-date {
    position: relative;
    min-height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.calendar-date:hover:not(.empty) {
    background: rgba(139, 92, 246, 0.2);
    transform: scale(1.05);
}

.calendar-date.today {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    font-weight: 600;
}

.calendar-date.rest-day {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.4);
}

.calendar-date .date-number {
    font-size: 14px;
    font-weight: 500;
}

.calendar-date .date-indicator {
    position: absolute;
    top: 2px;
    right: 2px;
    font-size: 10px;
    padding: 2px 4px;
    border-radius: 4px;
    font-weight: 600;
}

.calendar-date .date-indicator.rest {
    background: #ef4444;
    color: white;
}

.calendar-date .date-indicator.events {
    background: #10b981;
    color: white;
}

/* Schedule Page Rest Day Styles */
.calendar-day.rest-day {
    background: linear-gradient(135deg, 
        rgba(239, 68, 68, 0.1) 0%, 
        rgba(239, 68, 68, 0.05) 100%);
    border: 2px solid rgba(239, 68, 68, 0.3);
}

.calendar-day.rest-day .day-number {
    color: #ef4444;
    font-weight: 600;
}

.rest-day-indicator {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    margin: 4px;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3);
}

/* Rest Day Mode Active */
.schedule-calendar.rest-day-mode .calendar-day {
    cursor: pointer;
    transition: all 0.3s ease;
}

.schedule-calendar.rest-day-mode .calendar-day:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.schedule-calendar.rest-day-mode .calendar-day:hover .day-number::after {
    content: "Click to toggle";
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

/* Rest Day Button Active State */
#restDayBtn.active {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

/* Course Block Adjustments */
.course-block {
    position: relative;
    transition: all 0.3s ease;
}

.course-block.was-adjusted::after {
    content: "Moved from rest day";
    position: absolute;
    bottom: -18px;
    left: 0;
    font-size: 9px;
    color: #f59e0b;
    font-style: italic;
}

/* Toast Notification Styles */
.toast-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    z-index: 10000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: slideInUp 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 400px;
}

.toast-notification.error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.toast-notification.warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

@keyframes slideInUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Mobile Responsive Calendar */
@media (max-width: 768px) {
    .calendar-widget {
        padding: 15px;
    }
    
    .calendar-date {
        min-height: 30px;
        font-size: 12px;
    }
    
    .calendar-date .date-indicator {
        font-size: 8px;
        padding: 1px 3px;
    }
    
    .rest-day-indicator {
        font-size: 10px;
        padding: 3px 6px;
    }
}

/* Deferred Course Indicator for Home Page */
.course-card-exact.deferred {
    position: relative;
    opacity: 0.8;
}

.course-card-exact.deferred::before {
    content: "Deferred (Rest Day)";
    position: absolute;
    top: -10px;
    right: 10px;
    background: #ef4444;
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

/* Calendar Navigation Buttons */
.cal-nav {
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cal-nav:hover {
    background: rgba(139, 92, 246, 0.4);
    transform: scale(1.1);
}

/* Event Date Picker Rest Day Warning */
input[type="date"].rest-day-warning {
    border: 2px solid #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

input[type="date"].rest-day-warning:focus {
    outline-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

/* Clickable cards styling */
.clickable-card {
    cursor: pointer;
    transition: all 0.3s ease;
}

.clickable-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(139, 92, 246, 0.3);
}

.clickable-card.active-card {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
}

.clickable-card.active-card .section-header h3 {
    color: white;
}

.clickable-card.active-card .stat-number {
    color: white;
}

/* Learning sections */
.learning-view-section {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reviewed stats */
.reviewed-stats {
    text-align: center;
    padding: 20px;
}

.reviewed-stats .stat-card {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 20px;
}

.reviewed-stats .stat-card i {
    font-size: 48px;
    margin-bottom: 10px;
}

.reviewed-stats .stat-card h4 {
    font-size: 36px;
    margin: 10px 0;
}

.encouragement {
    font-size: 16px;
    color: #6b7280;
    margin: 20px 0;
}

/* Calendar indicators */
.calendar-date {
    position: relative;
    padding: 5px;
    text-align: center;
    cursor: pointer;
}

.date-indicator {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    bottom: 2px;
}

.event-indicator {
    background: #3b82f6;
    left: calc(50% - 10px);
}

.review-indicator {
    background: #8b5cf6;
    left: 50%;
    transform: translateX(-50%);
}

.rest-indicator {
    background: #ef4444;
    right: calc(50% - 10px);
}

.calendar-date.rest-day {
    background: rgba(239, 68, 68, 0.1);
}

.calendar-date.today {
    background: rgba(139, 92, 246, 0.2);
    font-weight: bold;
}

.calendar-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 10px;
    padding: 10px;
    background: rgba(139, 92, 246, 0.05);
    border-radius: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    color: #6b7280;
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.event-dot {
    background: #3b82f6;
}

.review-dot {
    background: #8b5cf6;
}

.rest-dot {
    background: #ef4444;
}



/* Subscription Modal Styles */
.subscription-modal {
    max-width: 900px;
    background: linear-gradient(135deg, #2d1b69 0%, #1a0033 100%);
    border-radius: 20px;
    padding: 0;
    color: white;
}

.subscription-modal .modal-header {
    padding: 20px;
    border-bottom: none;
}

.subscription-modal .modal-header .close {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

.subscription-container {
    padding: 20px 40px 40px;
}

.subscription-title {
    text-align: center;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
    color: white;
}

.subscription-subtitle {
    text-align: center;
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.subscription-card {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 20px;
    padding: 30px;
    margin: 20px 0;
}

.subscription-card h3 {
    font-size: 28px;
    margin-bottom: 10px;
    text-align: center;
}

.subscription-card > p {
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.features-list {
    margin: 30px 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    gap: 15px;
}

.feature-icon {
    font-size: 28px;
    min-width: 40px;
    text-align: center;
}

.feature-text {
    flex: 1;
}

.feature-text strong {
    display: block;
    font-size: 18px;
    margin-bottom: 5px;
    color: white;
}

.feature-text p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.5;
}

/* Compact features list for management modal */
.features-list.compact .feature-item {
    margin-bottom: 10px;
    align-items: center;
}

.features-list.compact .feature-item p {
    margin: 0;
    font-weight: 500;
}

.feature-description {
    margin: 0 0 20px 55px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

/* Pricing Options */
.pricing-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.pricing-column {
    text-align: center;
}

.pricing-column h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: white;
}

.subscription-btn {
    width: 100%;
    padding: 15px 20px;
    background: white;
    color: #1a0033;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.subscription-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 255, 255, 0.2);
}

/* Subscription Info */
.subscription-info {
    text-align: center;
    margin: 30px 0 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.subscription-info.cancelled {
    color: #fbbf24;
    font-weight: 500;
}

/* Cancel/Resubscribe Buttons */
.cancel-subscription-btn {
    display: block;
    width: 200px;
    margin: 20px auto;
    padding: 12px 24px;
    background: #dc2626;
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.cancel-subscription-btn:hover {
    background: #b91c1c;
    transform: translateY(-2px);
}

.resubscribe-btn {
    display: block;
    width: 200px;
    margin: 20px auto;
    padding: 12px 24px;
    background: #10b981;
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.resubscribe-btn:hover {
    background: #059669;
    transform: translateY(-2px);
}

/* Confirmation Overlays */
.cancel-confirmation-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    z-index: 1000;
}

.cancel-confirmation-dialog,
.password-confirmation-dialog {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    max-width: 400px;
}

.cancel-confirmation-dialog h3,
.password-confirmation-dialog h3 {
    color: #dc2626;
    font-size: 18px;
    margin-bottom: 25px;
}

.confirmation-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn-no {
    padding: 12px 40px;
    background: #10b981;
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.btn-yes {
    padding: 12px 40px;
    background: #dc2626;
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

/* Password Input */
.password-confirmation-dialog input {
    width: 100%;
    padding: 12px;
    margin: 20px 0;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
}

.btn-confirm {
    width: 100%;
    padding: 14px;
    background: #9ca3af;
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-confirm:hover {
    background: #6b7280;
}

/* Success Page Styles */
.subscription-success {
    text-align: center;
    padding: 60px 20px;
    max-width: 600px;
    margin: 0 auto;
}

.success-icon {
    font-size: 80px;
    color: #10b981;
    margin-bottom: 30px;
}

.subscription-success h1 {
    font-size: 36px;
    color: white;
    margin-bottom: 20px;
}

.subscription-success p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
}

.subscription-success .btn-primary {
    padding: 15px 40px;
    font-size: 18px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .subscription-modal {
        margin: 20px;
    }
    
    .subscription-container {
        padding: 20px;
    }
    
    .pricing-options {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .features-list {
        padding: 0;
    }
    
    .feature-item {
        flex-direction: column;
        text-align: center;
    }
    
    .feature-description {
        margin-left: 0;
        text-align: center;
    }
}

/* Update existing premium modal to trigger new subscription flow */
#premiumModal {
    display: none !important;
}


/* Enhanced Toolbar with proper z-index and mobile positioning */
.toolbar {
    position: fixed;
    top: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10000; /* Increased z-index to stay above everything */
    background: rgba(26, 0, 51, 0.95);
    padding: 10px 20px;
    border-radius: 30px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.3);
    transition: all 0.3s ease;
}

/* Mobile-specific toolbar positioning */
@media (max-width: 768px) {
    .toolbar {
        top: 70px; /* Position below mobile header */
        right: 10px;
        padding: 8px 15px;
        gap: 10px;
        max-width: calc(100% - 20px);
        z-index: 9999; /* Ensure it's above mobile nav but below modals */
    }
    
    /* Adjust when mobile menu is open */
    .mobile-menu-open .toolbar {
        opacity: 0.3;
        pointer-events: none;
    }
    
    .toolbar-item {
        width: 35px;
        height: 35px;
    }
    
    .toolbar-profile {
        width: 35px;
        height: 35px;
    }
}

/* Ensure modals appear above toolbar */
.study-room-modal,
.pomodoro-modal,
.music-modal,
.notification-dropdown {
    z-index: 10001;
}

/* Prevent toolbar from blocking content */
.main-content {
    padding-top: 80px; /* Add padding to prevent content being hidden */
}

@media (max-width: 768px) {
    .main-content {
        padding-top: 120px; /* More padding on mobile for both headers */
    }
}

/* Fix for pages that might be affected */
.home-container-pdf,
.courses-container,
.schedule-container,
.friends-container,
.settings-container {
    position: relative;
    z-index: 1;
}

/* Ensure toolbar is hidden on auth pages */
.app-container[data-page="login"] .toolbar,
.app-container[data-page="register"] .toolbar,
.app-container[data-page="reset_password"] .toolbar {
    display: none !important;
}

.toolbar-item {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: white;
    position: relative;
}

.toolbar-item:hover {
    background: rgba(139, 92, 246, 0.3);
    transform: scale(1.1);
}

.toolbar-item.active {
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    border-color: transparent;
}

.toolbar-profile {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid rgba(139, 92, 246, 0.5);
    cursor: pointer;
}

.toolbar-profile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.toolbar-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ef4444;
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}



/* Pomodoro Modal */
.pomodoro-modal {
    position: fixed;
    top: 80px;
    right: 20px;
    background: linear-gradient(135deg, #1a0033, #2d1b69);
    border-radius: 20px;
    padding: 30px;
    width: 350px;
    display: none;
    z-index: 1500;
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.pomodoro-modal.active {
    display: block;
}

.pomodoro-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

.pomodoro-tab {
    flex: 1;
    padding: 10px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    color: white;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
}

.pomodoro-tab.active {
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    border-color: transparent;
}

.pomodoro-timer {
    text-align: center;
    margin: 30px 0;
}

.pomodoro-time {
    font-size: 64px;
    font-weight: 700;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pomodoro-time:hover {
    color: #a78bfa;
}

.pomodoro-time.editing {
    background: rgba(139, 92, 246, 0.2);
    padding: 10px 20px;
    border-radius: 10px;
}

.pomodoro-input {
    font-size: 64px;
    font-weight: 700;
    color: white;
    background: transparent;
    border: none;
    width: 200px;
    text-align: center;
}

.pomodoro-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.pomodoro-btn {
    padding: 12px 30px;
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pomodoro-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
}

.pomodoro-btn.stop {
    background: #ef4444;
}

/* Music Modal */
.music-modal {
    position: fixed;
    top: 80px;
    right: 20px;
    background: linear-gradient(135deg, #1a0033, #2d1b69);
    border-radius: 20px;
    padding: 25px;
    width: 300px;
    display: none;
    z-index: 1500;
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.music-modal.active {
    display: block;
}

.music-option {
    padding: 15px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    color: white;
    cursor: pointer;
    text-align: center;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    font-size: 18px;
}

.music-option:hover {
    background: rgba(139, 92, 246, 0.3);
    transform: translateX(5px);
}

.music-option.playing {
    background: linear-gradient(135deg, #10b981, #059669);
    border-color: transparent;
}

.music-option.stop {
    background: #ef4444;
    margin-top: 20px;
}

/* Notification Dropdown */
.notification-dropdown {
    position: fixed;
    top: 80px;
    right: 20px;
    background: linear-gradient(135deg, #1a0033, #2d1b69);
    border-radius: 20px;
    padding: 20px;
    width: 350px;
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: 1500;
    border: 1px solid rgba(139, 92, 246, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.notification-dropdown.active {
    display: block;
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.notification-header h3 {
    color: white;
    font-size: 18px;
}

.notification-clear {
    color: #a78bfa;
    font-size: 14px;
    cursor: pointer;
    background: none;
    border: none;
}

.notification-item {
    background: rgba(139, 92, 246, 0.1);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.notification-item:hover {
    background: rgba(139, 92, 246, 0.2);
}

.notification-item.unread {
    border-left: 3px solid #8b5cf6;
}

.notification-content {
    color: white;
    font-size: 14px;
    margin-bottom: 5px;
}

.notification-time {
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .toolbar {
        top: 10px;
        right: 10px;
        padding: 8px 15px;
    }
    
    .toolbar-item {
        width: 35px;
        height: 35px;
    }
    
    .study-room-content,
    .pomodoro-modal,
    .music-modal,
    .notification-dropdown {
        width: 90%;
        right: 5%;
        left: 5%;
    }
    
    .pomodoro-time {
        font-size: 48px;
    }
}

/* Hide old header elements */
.header-stats,
.header-actions {
    display: none !important;
}


/* Feedback Section Styles */
.feedback-section {
    padding: 10px 0;
}

.feedback-intro {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 20px;
    font-size: 14px;
}

.feedback-textarea {
    width: 100%;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 10px;
    padding: 12px;
    color: white;
    resize: vertical;
    font-family: inherit;
    font-size: 14px;
    transition: all 0.3s ease;
}

.feedback-textarea:focus {
    outline: none;
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.5);
}

.feedback-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}





/* Processing Notification Styles */
.processing-notification {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 8px;
    animation: slideIn 0.3s ease;
    position: relative;
}

.processing-notification .notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.processing-notification .notification-title {
    color: white;
    font-weight: 600;
    font-size: 14px;
}

.processing-notification .close-btn {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 18px;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.processing-notification .notification-content {
    color: rgba(255,255,255,0.9);
    font-size: 13px;
}

.processing-notification .progress-bar {
    height: 4px;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    margin: 8px 0;
    overflow: hidden;
}

.processing-notification .progress-fill {
    height: 100%;
    background: white;
    transition: width 0.5s ease;
}

.processing-notification .view-loading-btn {
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    margin-top: 8px;
    width: 100%;
}

.processing-notification .view-loading-btn:hover {
    background: rgba(255,255,255,0.3);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}



/* Rest Day with Events Styling */
.calendar-day.rest-day {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(239, 68, 68, 0.1) 100%);
    border-color: rgba(239, 68, 68, 0.5);
}

.rest-day-indicator {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    margin-bottom: 4px;
    text-align: center;
}

/* Ensure events are visible on rest days */
.calendar-day.rest-day .event-block {
    opacity: 0.9;
    background: linear-gradient(135deg, #1a1a2e, #0f0f1e);
}

.calendar-day .day-content {
    display: flex;
    flex-direction: column;
    gap: 3px;
    max-height: calc(100% - 30px);
    overflow-y: auto;
}

/* Scrollbar styling for day content */
.calendar-day .day-content::-webkit-scrollbar {
    width: 4px;
}

.calendar-day .day-content::-webkit-scrollbar-thumb {
    background: rgba(139, 92, 246, 0.3);
    border-radius: 2px;
}