/* Variabel CSS - Tema Kuning Pastel */
:root {
    /* Warna Primer - Kuning Pastel */
    --primary-color: #FFD54F;
    --primary-light: #FFE082;
    --primary-dark: #FFB300;
    
    /* Warna Sekunder - Oranye Pastel */
    --secondary-color: #FFB74D;
    --secondary-light: #FFCC80;
    --secondary-dark: #FF9800;
    
    /* Warna Aksen - Peach Pastel */
    --accent-color: #FFCCBC;
    --accent-light: #FFE0B2;
    --accent-dark: #FFAB91;
    
    /* Warna Netral */
    --dark-color: #5D4037;
    --light-color: #FFF8E1;
    --gray-color: #BCAAA4;
    
    /* Warna Status */
    --danger-color: #FF8A65;
    --success-color: #81C784;
    --warning-color: #FFB74D;
    
    /* Efek */
    --shadow: 0 10px 15px -3px rgba(92, 64, 55, 0.1), 0 4px 6px -2px rgba(92, 64, 55, 0.05);
    --radius: 12px;
    --transition: all 0.3s ease;
}

/* Tema Gelap */
.dark-theme {
    --primary-color: #FFE082;
    --primary-light: #FFF59D;
    --primary-dark: #FFD54F;
    --dark-color: #FFF8E1;
    --light-color: #4E342E;
    --gray-color: #8D6E63;
}

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

body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
    line-height: 1.6;
    transition: var(--transition);
}

h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigasi */
.navbar {
    background-color: var(--light-color);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255, 213, 79, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-color);
}

.nav-brand i {
    margin-right: 10px;
    font-size: 1.8rem;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-link {
    padding: 0.7rem 1.2rem;
    margin: 0 5px;
    border-radius: var(--radius);
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
}

.nav-link i {
    margin-right: 8px;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--primary-color);
    color: var(--dark-color);
}

.theme-toggle button {
    background: var(--primary-color);
    color: var(--dark-color);
    border: none;
    width: 50px;
    height: 30px;
    border-radius: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5px;
    margin-left: 15px;
    transition: var(--transition);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 4rem 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 213, 79, 0.1) 0%, rgba(255, 248, 225, 0) 70%);
    z-index: -1;
}

.hero-content {
    flex: 1;
    min-width: 300px;
    padding-right: 2rem;
}

.hero-title {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--gray-color);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Hero Section - FIX Gambar terlalu besar */
.hero-image {
    flex: 1;
    min-width: 200px;
    max-width: 400px;  /* ← TAMBAHKAN: batasi lebar maksimal */
    margin: 0 auto;
}

.hero-image img {
    width: 100%;
    max-width: 200px;  /* ← TAMBAHKAN: ukuran gambar maksimal */
    height: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    display: block;
    margin: 0 auto;
    object-fit: contain;  /* ← TAMBAHKAN: biar gak kepotong */
}

/* Button Styles */
.btn {
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
}

.btn i {
    margin-right: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--dark-color);
    border: 2px solid var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--dark-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

/* Features Section */
.features {
    padding: 5rem 20px;
    background-color: rgba(255, 213, 79, 0.05);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 213, 79, 0.2);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(255, 213, 79, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--dark-color);
    font-size: 1.8rem;
}

/* Quick Access */
.quick-access {
    padding: 5rem 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.access-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.access-card {
    background-color: var(--light-color);
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 2px solid rgba(255, 213, 79, 0.2);
}

.access-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.access-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 213, 79, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--dark-color);
    font-size: 1.5rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--light-color);
    width: 90%;
    max-width: 600px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    animation: modalFadeIn 0.3s ease;
}

.modal-large {
    max-width: 800px;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    padding: 1.5rem;
    background-color: var(--primary-color);
    color: var(--dark-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-close {
    background: none;
    border: none;
    color: var(--dark-color);
    font-size: 2rem;
    cursor: pointer;
}

.modal-body {
    padding: 2rem;
    max-height: 70vh;
    overflow-y: auto;
}

/* Footer */
.footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 3rem 20px 1.5rem;
    margin-top: 4rem;
    border-top: 3px solid var(--primary-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

/* Halaman Materi */
.materi-header {
    padding: 3rem 20px 2rem;
    background: linear-gradient(135deg, rgba(255, 248, 225, 0.9) 0%, rgba(255, 224, 130, 0.3) 100%);
}

.materi-title {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.materi-subtitle {
    color: var(--gray-color);
    margin-bottom: 1.5rem;
}

.materi-progress {
    max-width: 500px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.progress-bar {
    height: 10px;
    background-color: #e5e7eb;
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 5px;
    transition: width 0.5s ease;
}

.materi-list {
    padding: 3rem 20px;
}

.materi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.materi-card {
    background-color: var(--light-color);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 213, 79, 0.2);
}

.materi-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.materi-card-header {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.materi-card-header {
    position: relative;
    height: 200px;
    overflow: hidden;
    background-color: #FFF3E0;  /* Tambah background kuning pastel */
    display: flex;
    align-items: center;
    justify-content: center;
}

.materi-card-header img {
    width: 100%;
    height: 100%;
    object-fit: contain;   /* ← GANTI cover JADI contain */
    padding: 10px;         /* Tambah padding biar rapi */
}

.learned-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    background-color: var(--success-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.materi-card-header:hover .card-overlay {
    opacity: 1;
}

.btn-play {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--dark-color);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.materi-card-body {
    padding: 1.5rem;
}

.card-actions {
    display: flex;
    gap: 0.8rem;
}

.card-actions button {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: none;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    flex: 1;
    justify-content: center;
}

.btn-detail {
    background-color: rgba(255, 213, 79, 0.1);
    color: var(--dark-color);
}

.btn-learn {
    background-color: var(--primary-color);
    color: var(--dark-color);
}

.btn-learned {
    background-color: rgba(129, 199, 132, 0.1);
    color: var(--success-color);
}

/* Admin Panel */
.admin-header {
    background: linear-gradient(135deg, #FFD54F 0%, #FFB74D 100%);
    padding: 2rem 20px;
    color: #5D4037;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 213, 79, 0.2);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid rgba(255, 213, 79, 0.3);
    border-radius: 8px;
    background: var(--light-color);
    color: var(--dark-color);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
    border: none;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    border: none;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid rgba(255, 213, 79, 0.2);
}

.data-table th {
    background-color: rgba(255, 213, 79, 0.1);
    font-weight: 600;
}

/* Quiz Styles */
.quiz-options {
    margin-bottom: 2rem;
}

.quiz-option {
    margin-bottom: 1rem;
    padding: 1rem;
    border: 2px solid rgba(255, 213, 79, 0.3);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover {
    border-color: var(--primary-color);
    background-color: rgba(255, 213, 79, 0.05);
}

.quiz-option input[type="radio"] {
    display: none;
}

.quiz-option label {
    display: block;
    cursor: pointer;
}

.results-header {
    text-align: center;
    margin-bottom: 2rem;
}

.score-display {
    font-size: 3rem;
    font-weight: 700;
}

.score {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--light-color);
        width: 100%;
        box-shadow: var(--shadow);
        padding: 2rem;
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .card-actions {
        flex-direction: column;
    }
    
    .data-table {
        display: block;
        overflow-x: auto;
    }
}