/* === Course Selection Page Styles - GLASS THEME === */

:root {
    --bg-gradient: linear-gradient(135deg, #e0f7fa 0%, #ffffff 50%, #e3f2fd 100%);
    --glass-bg: rgba(255, 255, 255, 0.4);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --text-primary: #0e4a5c;
    --text-secondary: #4a7c8a;
    --text-muted: #6b9ca8;
    --accent-cyan: #06b6d4;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --accent-green: #10b981;
    --accent-amber: #f59e0b;
    --gradient-cyan: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
    --gradient-purple: linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
    --gradient-amber: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    --font-family: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Animated Background Orbs */
body::before,
body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    animation: float 15s infinite ease-in-out;
}

body::before {
    width: 500px;
    height: 500px;
    background: rgba(6, 182, 212, 0.3);
    top: -200px;
    left: -100px;
}

body::after {
    width: 400px;
    height: 400px;
    background: rgba(139, 92, 246, 0.2);
    bottom: -150px;
    right: -100px;
    animation-delay: -7s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    25% {
        transform: translate(30px, 30px) rotate(5deg);
    }

    50% {
        transform: translate(0, 50px) rotate(0deg);
    }

    75% {
        transform: translate(-30px, 30px) rotate(-5deg);
    }
}

/* Navbar - Glass */
.navbar {
    background: rgba(255, 255, 255, 0.3) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    z-index: 1000;
}

.navbar-brand {
    color: var(--text-primary) !important;
}

.brand-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.brand-tagline {
    font-size: 0.6rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#user-greeting {
    color: var(--text-primary) !important;
}

.btn-outline-light {
    color: var(--text-primary) !important;
    border-color: var(--text-secondary) !important;
}

.btn-outline-light:hover {
    background: var(--accent-cyan) !important;
    border-color: var(--accent-cyan) !important;
    color: white !important;
}

/* Main Container */
.main-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 20px 60px;
}

/* Hero Section */
.hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1rem;
    letter-spacing: -2px;
    color: var(--text-primary);
}

.gradient-text {
    background: linear-gradient(135deg, #06b6d4, #8b5cf6, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 2rem;
}

/* Course Cards Container */
.course-cards-container {
    margin-bottom: 3rem;
}

/* Course Card - Glass */
.course-card {
    display: block;
    text-decoration: none;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
    min-height: 380px;
    box-shadow: var(--glass-shadow);
}

.course-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(6, 182, 212, 0.2);
    border-color: var(--accent-cyan);
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: 2rem 2rem 0 0;
}

.test-series-card::before {
    background: var(--gradient-purple);
}

.english-card::before {
    background: var(--gradient-cyan);
}

.bookstore-card::before {
    background: var(--gradient-amber);
}

/* Card Icon - Glass */
.card-icon-wrapper {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: #fff;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.test-series-card .card-icon-wrapper {
    background: var(--gradient-purple);
}

.english-card .card-icon-wrapper {
    background: var(--gradient-cyan);
}

.bookstore-card .card-icon-wrapper {
    background: var(--gradient-amber);
}

/* Card Content */
.card-content {
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.card-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Feature List */
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(6, 182, 212, 0.1);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li i {
    font-size: 0.85rem;
}

.test-series-card .feature-list li i {
    color: var(--accent-purple);
}

.english-card .feature-list li i {
    color: var(--accent-cyan);
}

.bookstore-card .feature-list li i {
    color: var(--accent-amber);
}

/* Card CTA */
.card-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 0.95rem;
    color: #fff;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.test-series-card .card-cta {
    background: var(--gradient-purple);
}

.english-card .card-cta {
    background: var(--gradient-cyan);
}

.bookstore-card .card-cta {
    background: var(--gradient-amber);
}

.card-cta i {
    font-size: 1.3rem;
    transition: transform 0.3s ease;
}

.course-card:hover .card-cta i {
    transform: translateX(5px);
}

/* Card Badge */
.card-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--accent-amber);
    color: #000;
    box-shadow: 0 5px 15px rgba(245, 158, 11, 0.3);
}

.new-badge {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

/* Stats Section - Glass */
.stats-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 2rem;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(6, 182, 212, 0.2);
}

/* Footer */
.footer-section {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

/* Responsive */
@media (max-width: 768px) {
    .main-container {
        padding: 100px 15px 40px;
    }

    .hero-title {
        font-size: 2rem;
        letter-spacing: -1px;
    }

    .hero-subtitle {
        font-size: 0.95rem;
    }

    .course-card {
        padding: 1.5rem;
        min-height: auto;
        border-radius: 1.5rem;
    }

    .card-icon-wrapper {
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
    }

    .card-title {
        font-size: 1.25rem;
    }

    .stats-section {
        padding: 1.5rem;
        gap: 1rem;
        border-radius: 1.5rem;
    }

    .stat-number {
        font-size: 1.4rem;
    }

    .stat-divider {
        display: none;
    }
}

/* Hover Effects */
.course-card:hover {
    background: rgba(255, 255, 255, 0.6);
}

.test-series-card:hover {
    border-color: var(--accent-purple);
    box-shadow: 0 25px 50px rgba(139, 92, 246, 0.2);
}

.english-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 25px 50px rgba(6, 182, 212, 0.2);
}

.bookstore-card:hover {
    border-color: var(--accent-amber);
    box-shadow: 0 25px 50px rgba(245, 158, 11, 0.2);
}