:root {
    --primary-color: #0D47A1;
    --primary-gradient: linear-gradient(135deg, #0D47A1 0%, #1976D2 100%);
    --secondary-color: #008080;
    --secondary-gradient: linear-gradient(135deg, #008080 0%, #00BFA5 100%);
    --accent-color: #4CAF50;
    --accent-gradient: linear-gradient(135deg, #4CAF50 0%, #8BC34A 100%);
    --yellow: #FFC107;
    --yellow-gradient: linear-gradient(135deg, #FFC107 0%, #FF9800 100%);
    --dark-bg: rgba(0, 0, 0, 0.5);
    --light-bg: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #333333;
    --border-color: #e9ecef;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --light-bg: #1a1a2e;
    --card-bg: #16213e;
    --text-color: #ffffff;
    --border-color: #2d3748;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background: var(--light-bg);
    color: var(--text-color);
    overflow-x: hidden;
    transition: var(--transition);
}

/* Header */
header {
    background: var(--primary-gradient);
    color: white;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: fadeIn 1s ease-out;
    min-width: 150px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo img {
    vertical-align: middle;
    flex-shrink: 0;
}

.logo a span {
    vertical-align: middle;
    line-height: 1;
}

#siteLogo {
    height: 45px;
    width: auto;
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.logo a {
    text-decoration: none;
    color: inherit;
}

.logo a:hover {
    text-decoration: none;
    color: inherit;
}

.logo span {
    font-weight: 600;
    font-size: 1.4rem;
    letter-spacing: 0.5px;
}

.batch-indicator {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-left: 0.75rem;
    backdrop-filter: blur(10px);
    animation: pulse 2s infinite;
}

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

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

/* Search in Navbar */
.search-container-nav {
    position: relative;
    width: 40px;
    transition: width 0.3s ease;
}

.search-container-nav.active {
    width: 200px;
}

.search-wrapper-nav {
    position: relative;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
    height: 40px;
}

.search-wrapper-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.search-icon-nav {
    position: absolute;
    left: 12px;
    color: #666;
    font-size: 16px;
    cursor: pointer;
    z-index: 2;
}

#resourceSearchNav {
    width: 100%;
    padding: 10px 35px 10px 35px;
    border: none;
    border-radius: 30px;
    font-size: 14px;
    background: transparent;
    color: #333;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
}

.search-container-nav.active #resourceSearchNav {
    opacity: 1;
    visibility: visible;
}

#resourceSearchNav:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(13, 71, 161, 0.3);
}

.clear-search-nav {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    font-size: 16px;
    cursor: pointer;
    color: #999;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
}

.search-container-nav.active .clear-search-nav {
    opacity: 1;
    visibility: visible;
}

.clear-search-nav:hover {
    background: #f0f0f0;
    color: #666;
    transform: rotate(90deg);
}

.search-results-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 5px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    max-height: 300px;
    overflow-y: auto;
    display: none;
    animation: slideDown 0.3s ease-out;
    border: 1px solid var(--border-color);
    z-index: 100;
}

.search-result-item-nav {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.search-result-item-nav:hover {
    background: linear-gradient(90deg, rgba(13, 71, 161, 0.1) 0%, transparent 100%);
    transform: translateX(5px);
}

.search-result-item-nav:last-child {
    border-bottom: none;
}

.search-result-item-nav i {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.navbar-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Nav Links in Navbar */
.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.2);
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Mobile Nav Links in Navbar - Hidden on desktop */
.mobile-nav-links {
    display: none;
}

/* Dark Mode Toggle in Navbar */
.dark-mode-toggle-navbar {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.dark-mode-toggle-navbar:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(15deg);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1000;
}

.hamburger div {
    width: 26px;
    height: 3px;
    background-color: white;
    border-radius: 3px;
    transition: var(--transition);
    transform-origin: center;
}

.hamburger.active div:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger.active div:nth-child(2) {
    opacity: 0;
}

.hamburger.active div:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.hamburger:hover div {
    background-color: var(--yellow);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--primary-gradient);
    padding: 1rem;
    z-index: 999;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-radius: 0 0 20px 20px;
    animation: slideDown 0.3s ease-out;
}

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

.mobile-menu a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 0.5rem;
    transition: var(--transition);
    font-weight: 500;
}

.mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: white;
    padding: 2rem 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: fadeIn 1s ease-out;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transform: rotate(30deg);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.8s ease-out;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    animation: slideUp 1s ease-out;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    animation: fadeIn 1.2s ease-out;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.stat-item i {
    font-size: 1.5rem;
}

/* Mobile Quick Actions */
.mobile-quick-actions {
    display: none;
    padding: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    margin: 1rem;
    box-shadow: var(--shadow);
}

.mobile-action-grid {
    display: flex;
    overflow-x: auto;
    gap: 1rem;
    padding: 0.5rem;
    scrollbar-width: none;
}

.mobile-action-grid::-webkit-scrollbar {
    display: none;
}

.mobile-action-btn {
    flex: 0 0 auto;
    min-width: 140px;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 15px;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }

    100% {
        transform: translateY(0px);
    }
}

.mobile-action-btn:hover {
    background: white;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: white;
    padding: 2rem 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    animation: fadeIn 1s ease-out;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    transform: rotate(30deg);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.8s ease-out;
}

.hero p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    animation: slideUp 1s ease-out;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    animation: fadeIn 1.2s ease-out;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.stat-item i {
    font-size: 1.5rem;
}

/* Quick Actions */
.quick-actions {
    padding: 1.5rem 1rem;
    margin: 1.5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 20px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.8s ease-out;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
}

.action-btn {
    padding: 1.2rem;
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 15px;
    color: #333;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    animation: float 3s ease-in-out infinite;
}

.action-btn:nth-child(2n) {
    animation-delay: 0.5s;
}

.action-btn:nth-child(3n) {
    animation-delay: 1s;
}

.action-btn:hover {
    background: white;
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.2);
    color: var(--primary-color);
}

.action-btn i {
    font-size: 1.8rem;
}

/* Batch Selection Section */
.batch-selection-container {
    padding: 1.5rem 1rem;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    margin: 1.5rem 0;
    border-radius: 20px;
    animation: fadeIn 0.9s ease-out;
}

/* Dark Mode Fix for Batch Selection */
[data-theme="dark"] .batch-selection-container {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.batch-selection-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--primary-color);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.batch-selector {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.batch-select-btn {
    padding: 0.9rem 1.3rem;
    border: 2px solid var(--primary-color);
    background: linear-gradient(135deg, white 0%, #f8f9fa 100%);
    color: var(--primary-color);
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Fix for Batch Buttons */
[data-theme="dark"] .batch-select-btn {
    background: linear-gradient(135deg, #16213e 0%, #1a1a2e 100%);
    color: white;
    border-color: var(--primary-color);
}

.batch-select-btn:hover {
    background: var(--secondary-gradient);
    color: white;
    border-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.batch-select-btn.selected {
    background: var(--primary-gradient);
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 6px 20px rgba(13, 71, 161, 0.3);
    transform: translateY(-2px);
}

/* Quick Resources */
.resources-section {
    background: var(--light-bg);
    padding: 2rem 1rem;
    animation: fadeIn 1s ease-out;
}

.section-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--accent-gradient);
    border-radius: 2px;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* Resource Cards */
.resource-card {
    display: flex;
    align-items: center;
    padding: 1.1rem;
    background: var(--card-bg);
    border-left: 5px solid var(--accent-color);
    border-radius: 15px;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    font-size: 1rem;
    position: relative;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.resource-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
    border-left-width: 8px;
}

.resource-icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-right: 1rem;
    flex-shrink: 0;
    color: var(--accent-color);
    transition: var(--transition);
}

.resource-card:hover .resource-icon {
    transform: scale(1.2);
    color: var(--primary-color);
}

/* PDF Resource Cards */
.resource-card-pdf {
    border-left-color: #dc3545;
    background: linear-gradient(135deg, var(--card-bg) 0%, #fff5f5 100%);
}

.resource-card-pdf .resource-icon {
    color: #dc3545;
}

/* Bookmark Icon - Fixed positioning */
.bookmark-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
    font-size: 18px;
    color: #ddd;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.bookmark-icon:hover {
    color: #ffc107;
    transform: scale(1.1) rotate(10deg);
    background: white;
}

.bookmark-icon.bookmarked {
    color: #ffc107;
    background: rgba(255, 193, 7, 0.1);
    transform: scale(1.1);
}

/* Routine Buttons Container */
#routineButtons {
    text-align: center;
    margin: 20px 0;
    padding: 0 1rem;
    animation: slideUp 0.5s ease-out;
}

#routineButtons .resource-card {
    display: inline-flex;
    width: auto;
    padding: 0.9rem 1.3rem;
    margin: 0 8px;
    font-size: 0.9rem;
    border-left-width: 4px;
    background: linear-gradient(135deg, var(--card-bg) 0%, #f0f8ff 100%);
}

#routineButtons .resource-icon {
    width: 1.2rem;
    height: 1.2rem;
    margin-right: 0.75rem;
}

/* Semester Accordion */
.semesters-section {
    padding: 2rem 1rem;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeIn 1.1s ease-out;
}

.accordion {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--card-bg);
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
    border-bottom: none;
}

.accordion-header {
    background: linear-gradient(90deg, var(--card-bg) 0%, rgba(13, 71, 161, 0.05) 100%);
    padding: 1.3rem 1.8rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-color);
}

.accordion-header:hover {
    background: linear-gradient(90deg, var(--card-bg) 0%, rgba(13, 71, 161, 0.1) 100%);
    transform: translateX(5px);
}

.accordion-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.accordion-arrow {
    width: 1.5rem;
    height: 1.5rem;
    transition: var(--transition);
    color: var(--primary-color);
}

.accordion-arrow.rotate {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--light-bg);
}

.accordion-content.open {
    max-height: 1000px;
    padding: 1.8rem;
}

.material-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.1rem;
    margin-top: 1rem;
}

.material-link {
    display: flex;
    align-items: center;
    padding: 1.1rem;
    background: var(--card-bg);
    border-left: 5px solid var(--accent-color);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    font-size: 1rem;
    position: relative;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.material-link:hover {
    transform: translateX(8px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    border-left-width: 8px;
}

.material-icon {
    width: 1.3rem;
    height: 1.3rem;
    margin-right: 1rem;
    flex-shrink: 0;
    color: var(--accent-color);
    transition: var(--transition);
}

.material-link:hover .material-icon {
    transform: scale(1.2);
    color: var(--primary-color);
}

/* FAQ Section */
.faq-section {
    padding: 2rem 1rem;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeIn 1.2s ease-out;
}

.faq-container {
    margin-top: 1.5rem;
}

.faq-item {
    margin-bottom: 1.25rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    background: var(--card-bg);
    animation: slideUp 0.4s ease-out;
}

.faq-question {
    background: linear-gradient(90deg, var(--card-bg) 0%, rgba(0, 128, 128, 0.05) 100%);
    padding: 1.3rem 1.8rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-color);
    transition: var(--transition);
}

.faq-question:hover {
    background: linear-gradient(90deg, var(--card-bg) 0%, rgba(0, 128, 128, 0.1) 100%);
    transform: translateX(5px);
}

.faq-answer {
    background: var(--light-bg);
    padding: 0 1.8rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer.open {
    padding: 1.8rem;
    max-height: 300px;
}

.faq-arrow {
    transition: var(--transition);
    color: var(--secondary-color);
}

.faq-arrow.rotate {
    transform: rotate(180deg);
}

/* Footer */
footer {
    background: var(--primary-gradient);
    color: white;
    padding: 1.5rem 1rem;
    text-align: center;
    margin-top: 2rem;
    animation: slideUp 0.8s ease-out;
}

footer p {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.footer-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.9rem;
}

.footer-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* General Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s ease-out;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--card-bg);
    padding: 25px;
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 550px;
    border-radius: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    color: var(--text-color);
    animation: modalSlide 0.4s ease-out;
}

.modal-content-large {
    background: var(--card-bg);
    padding: 25px;
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 1000px;
    border-radius: 20px;
    position: absolute;
    top: 10vh;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    color: var(--text-color);
    max-height: 80vh;
    overflow-y: auto;
    animation: modalSlide 0.4s ease-out;
}

@keyframes modalSlide {
    from {
        transform: translate(-50%, -30%);
        opacity: 0;
    }

    to {
        transform: translate(-50%, -50%);
        opacity: 1;
    }
}

.close-btn {
    color: #aaa;
    float: right;
    font-size: 32px;
    font-weight: bold;
    position: absolute;
    top: 15px;
    right: 25px;
    cursor: pointer;
    transition: var(--transition);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close-btn:hover,
.close-btn:focus {
    color: var(--text-color);
    background: rgba(0, 0, 0, 0.1);
    transform: rotate(90deg);
}

/* Bookmarks */
.bookmarks-list {
    max-height: 400px;
    overflow-y: auto;
    margin-top: 1.25rem;
}

.bookmark-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px;
    border-bottom: 1px solid var(--border-color);
    background: var(--card-bg);
    border-radius: 10px;
    margin-bottom: 0.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.bookmark-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.bookmark-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.bookmark-link {
    flex: 1;
    color: var(--primary-color);
    text-decoration: none;
    margin-right: 15px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.bookmark-link:hover {
    text-decoration: underline;
}

.remove-bookmark {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    color: white;
    border: none;
    padding: 7px 13px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.remove-bookmark:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

/* Course List */
.course-list-container {
    max-height: 60vh;
    overflow-y: auto;
    padding-right: 15px;
    margin-top: 20px;
}

.course-list-container>p {
    margin-bottom: 0.75rem;
    line-height: 1.7;
    color: var(--text-color);
    font-size: 1rem;
}

.course-list-container>hr {
    border: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 1.5rem 0;
}

.course-list-container h3 {
    color: var(--primary-color);
    background: linear-gradient(90deg, rgba(13, 71, 161, 0.1) 0%, transparent 100%);
    padding: 0.9rem 1.3rem;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 3px solid var(--secondary-color);
    border-left: 5px solid var(--primary-color);
    border-radius: 10px 10px 0 0;
    font-size: 1.2rem;
}

.course-list-container ul {
    list-style-type: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.course-list-container li {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 13px 18px;
    margin-bottom: 8px;
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.course-list-container li:hover {
    background: linear-gradient(90deg, var(--card-bg) 0%, rgba(13, 71, 161, 0.05) 100%);
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Desktop Only - Hide on Mobile */
.desktop-only {
    display: block;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: row;
        gap: 0.5rem;
        padding: 0.5rem;
        flex-wrap: nowrap;
    }

    .logo {
        min-width: auto;
        padding: 0;
        flex-shrink: 0;
    }

    .logo span {
        font-size: 1.2rem;
    }

    .batch-indicator {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
        margin-left: 0.5rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-nav-links {
        display: flex;
        flex-shrink: 0;
    }

    .hamburger {
        display: flex;
        flex-shrink: 0;
    }

    .navbar-controls {
        gap: 0.5rem;
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }

    .search-container-nav {
        width: 35px;
    }

    .search-container-nav.active {
        width: 150px;
    }

    .search-wrapper-nav {
        height: 35px;
    }

    .search-icon-nav {
        left: 10px;
        font-size: 14px;
    }

    #resourceSearchNav {
        padding: 8px 30px 8px 30px;
        font-size: 12px;
    }

    .clear-search-nav {
        right: 8px;
        font-size: 14px;
        width: 20px;
        height: 20px;
    }

    .dark-mode-toggle-navbar {
        width: 35px;
        height: 35px;
        font-size: 16px;
    }

    /* Hide Hero Section on Mobile */
    .desktop-only {
        display: none;
    }

    .mobile-quick-actions {
        display: block;
    }

    .mobile-action-btn:nth-child(2n) {
        animation-delay: 0.2s;
    }

    .mobile-action-btn:nth-child(3n) {
        animation-delay: 0.4s;
    }

    /* Hero Section */
    .hero {
        padding: 1.5rem 1rem;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .stat-item {
        padding: 0.6rem 1rem;
        width: 100%;
    }

    /* Quick Actions */
    .action-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .action-btn {
        padding: 1rem;
        font-size: 0.9rem;
    }

    .action-btn i {
        font-size: 1.5rem;
    }

    /* Resource Grid */
    .resource-grid {
        grid-template-columns: 1fr;
    }

    .material-links {
        grid-template-columns: 1fr;
    }

    /* Batch Selection - Left to Right */
    .batch-selector {
        flex-direction: row;
        justify-content: center;
        gap: 0.75rem;
    }

    .batch-select-btn {
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
        min-width: 70px;
    }

    /* Footer - Left to Right Layout */
    .footer-links {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .footer-links a {
        font-size: 0.8rem;
        padding: 0.3rem 0.6rem;
    }

    /* Routine Buttons */
    #routineButtons .resource-card {
        display: block;
        margin: 8px 0;
        width: 100%;
    }

    /* Modals */
    .modal-content {
        width: 95%;
        padding: 15px;
    }

    .modal-content-large {
        width: 95%;
        top: 5vh;
        max-height: 85vh;
    }

    /* Section Titles */
    .section-title {
        font-size: 1.5rem;
    }

    /* Accordion */
    .accordion-header {
        padding: 1rem 1.3rem;
        font-size: 0.95rem;
    }

    .accordion-content.open {
        padding: 1.3rem;
    }

    /* Search Results */
    .search-results-nav {
        left: 0;
        right: 0;
        margin-top: 5px;
    }

    .search-result-item-nav {
        padding: 10px 15px;
        font-size: 0.9rem;
    }

    .mobile-nav-links a {
        padding: 0.4rem;
        font-size: 0.7rem;
    }

    /* Mobile action grid - left to right */
    .mobile-action-grid {
        flex-wrap: nowrap;
    }

    .mobile-action-btn {
        min-width: 120px;
        padding: 0.8rem;
        font-size: 0.8rem;
    }

    .mobile-action-btn i {
        font-size: 1.2rem;
    }

    /* Hide desktop quick actions on mobile */
    .quick-actions {
        display: none;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .nav-container {
        padding: 0.25rem;
        flex-wrap: nowrap;
    }

    .logo span {
        font-size: 1.1rem;
    }

    .batch-indicator {
        font-size: 0.6rem;
        padding: 0.15rem 0.4rem;
    }

    .hero h1 {
        font-size: 1.4rem;
    }

    .hero p {
        font-size: 0.9rem;
    }

    .action-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.3rem;
    }

    .batch-select-btn {
        padding: 0.6rem 0.8rem;
        font-size: 0.8rem;
        min-width: 65px;
    }

    .stat-item {
        padding: 0.5rem 0.8rem;
        font-size: 0.9rem;
    }

    footer p {
        font-size: 0.9rem;
    }

    .footer-links a {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }

    .mobile-nav-links a {
        padding: 0.3rem;
        font-size: 0.65rem;
    }

    .mobile-action-btn {
        min-width: 100px;
        padding: 0.6rem;
        font-size: 0.7rem;
    }

    .mobile-action-btn i {
        font-size: 1rem;
    }

    /* Hide desktop quick actions on mobile */
    .quick-actions {
        display: none;
    }

    /* Batch Selection - Stack on very small screens */
    @media (max-width: 360px) {
        .batch-selector {
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
        }

        .batch-select-btn {
            width: 90%;
        }
    }
}