/* ==========================================================================
   CSS Styling for www.usthanif.com
   Design Style: Modern Islamic Premium (Emerald Green, Gold & Soft Glassmorphism)
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
    /* Fonts */
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Lora', Georgia, Cambria, serif;

    /* Light Theme Palette */
    --color-primary: #0A5C36;       /* Deep Emerald Green */
    --color-primary-rgb: 10, 92, 54;
    --color-primary-light: #eef7f2;
    --color-accent: #D4AF37;        /* Metallic Gold */
    --color-accent-rgb: 212, 175, 55;
    --color-accent-dark: #B59023;
    
    --bg-main: #FAF8F5;             /* Warm Soft Light Background */
    --bg-card: #FFFFFF;             /* Pure White for Cards */
    --bg-header: rgba(250, 248, 245, 0.85);
    --border-color: #E6E1DA;
    --border-glow: rgba(10, 92, 54, 0.15);

    --text-main: #2D312E;           /* Very Dark Charcoal */
    --text-muted: #626A65;          /* Muted Grey Green */
    --text-light: #FAF8F5;          
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(10, 92, 54, 0.06), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 20px 25px -5px rgba(10, 92, 54, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    --shadow-glow: 0 0 20px rgba(212, 175, 55, 0.3);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

/* --- Dark Theme Variables Override --- */
[data-theme="dark"] {
    --bg-main: #0B0E0C;             /* Very Dark Slate Emerald */
    --bg-card: #131A16;             /* Forest Dark Card */
    --bg-header: rgba(11, 14, 12, 0.85);
    --border-color: #212C26;
    --border-glow: rgba(212, 175, 55, 0.15);

    --text-main: #E2E8F0;           /* Soft Light Grey */
    --text-muted: #8E9C94;          /* Soft Silver Green */
    
    --color-primary-light: #1A2820;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

input, button, select, textarea {
    font-family: inherit;
    color: inherit;
    border: none;
    background: none;
    outline: none;
}

/* --- Navigation & Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--bg-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background-color: var(--bg-card);
}

.nav-container {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 4px;
}

[data-theme="dark"] .logo {
    color: var(--text-light);
}

.logo-accent {
    color: var(--color-accent);
    margin-right: 4px;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 15px;
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

[data-theme="dark"] .nav-link::after {
    background-color: var(--color-accent);
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

.nav-link.active::after {
    width: 100%;
}

.btn-contact {
    background-color: var(--color-primary);
    color: var(--text-light) !important;
    padding: 10px 24px !important;
    border-radius: var(--radius-full);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast) !important;
}

.btn-contact:hover {
    background-color: #08492b;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .btn-contact {
    background-color: var(--color-accent);
    color: #121212 !important;
}

[data-theme="dark"] .btn-contact:hover {
    background-color: var(--color-accent-dark);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-btn, .mobile-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

[data-theme="dark"] .theme-btn, [data-theme="dark"] .mobile-toggle {
    background-color: #1B2820;
    color: var(--color-accent);
}

.theme-btn:hover, .mobile-toggle:hover {
    transform: scale(1.05);
}

.mobile-toggle {
    display: none;
}

/* --- Hero Section --- */
.hero-section {
    padding-top: 160px;
    padding-bottom: 80px;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: 64px;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    border: 1px solid rgba(10, 92, 54, 0.1);
}

[data-theme="dark"] .badge {
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.hero-content h1 {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.15;
    color: var(--color-primary);
    margin-bottom: 16px;
    letter-spacing: -1px;
}

[data-theme="dark"] .hero-content h1 {
    color: #FFFFFF;
}

.subtitle-serif {
    font-family: var(--font-serif);
    font-size: clamp(18px, 2.5vw, 22px);
    font-style: italic;
    color: var(--color-accent-dark);
    margin-bottom: 24px;
    line-height: 1.4;
}

[data-theme="dark"] .subtitle-serif {
    color: var(--color-accent);
}

.bio-short {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--text-light);
    box-shadow: 0 4px 14px rgba(10, 92, 54, 0.25);
}

.btn-primary:hover {
    background-color: #074728;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 92, 54, 0.35);
}

[data-theme="dark"] .btn-primary {
    background-color: var(--color-accent);
    color: #121212;
    box-shadow: 0 4px 14px rgba(212, 175, 55, 0.25);
}

[data-theme="dark"] .btn-primary:hover {
    background-color: var(--color-accent-dark);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.35);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--color-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

[data-theme="dark"] .btn-secondary {
    background-color: var(--bg-card);
    color: var(--color-accent);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-secondary:hover {
    background-color: rgba(212, 175, 55, 0.05);
    border-color: var(--color-accent);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition-fast);
}

.social-icon:hover {
    transform: translateY(-3px);
    color: #FFFFFF;
}

.social-icon.youtube:hover { background-color: #FF0000; border-color: #FF0000; }
.social-icon.instagram:hover { background-color: #E1306C; border-color: #E1306C; }
.social-icon.facebook:hover { background-color: #1877F2; border-color: #1877F2; }
.social-icon.telegram:hover { background-color: #0088cc; border-color: #0088cc; }

/* Hero Image Card styling with animations */
.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-bg-pattern {
    position: absolute;
    width: 120%;
    height: 120%;
    background-image: radial-gradient(var(--color-primary-light) 1.5px, transparent 1.5px), radial-gradient(var(--color-primary-light) 1.5px, var(--bg-main) 1.5px);
    background-size: 24px 24px;
    background-position: 0 0, 12px 12px;
    z-index: 1;
    opacity: 0.6;
    border-radius: 50%;
}

.hero-image-card {
    position: relative;
    z-index: 2;
    border-radius: var(--radius-lg);
    overflow: visible;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 16px;
    transition: transform var(--transition-slow);
}

.hero-image-card:hover {
    transform: translateY(-8px);
}

.hero-image {
    width: 100%;
    max-width: 320px;
    border-radius: var(--radius-md);
    object-fit: cover;
    display: block;
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    z-index: 3;
    animation: float 4s ease-in-out infinite;
}

.badge-left {
    bottom: 40px;
    left: -40px;
    animation-delay: 0.5s;
}

.badge-right {
    top: 40px;
    right: -40px;
    animation-delay: 1.5s;
}

.floating-badge i {
    font-size: 20px;
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

[data-theme="dark"] .floating-badge i {
    color: var(--color-accent);
    background-color: rgba(212, 175, 55, 0.1);
}

.floating-badge h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 2px;
}

.floating-badge p {
    font-size: 11px;
    color: var(--text-muted);
}

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

/* --- Stats Bar --- */
.stats-bar {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 40px 0;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.stats-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 32px;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 150px;
}

.stat-number {
    font-size: 40px;
    font-weight: 800;
    color: var(--color-primary);
    display: block;
    margin-bottom: 4px;
}

[data-theme="dark"] .stat-number {
    color: var(--color-accent);
}

.stat-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background-color: var(--border-color);
}

/* --- Section Layout Boilerplates --- */
.section-padding {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 60px auto;
}

.section-subtitle {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    display: inline-block;
    margin-bottom: 8px;
}

[data-theme="dark"] .section-subtitle {
    color: var(--color-accent);
}

.section-title {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    color: var(--color-primary);
}

[data-theme="dark"] .section-title {
    color: #FFFFFF;
}

.section-title-left {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 16px;
    color: var(--color-primary);
}

[data-theme="dark"] .section-title-left {
    color: #FFFFFF;
}

.section-line {
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    margin: 0 auto 24px auto;
    border-radius: var(--radius-full);
}

.section-line-left {
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
    margin: 0 0 24px 0;
    border-radius: var(--radius-full);
}

.section-desc {
    font-size: 16px;
    color: var(--text-muted);
}

/* --- Schedule Section (Filters & Cards) --- */
.filter-wrapper {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.search-box {
    position: relative;
    flex: 1 1 300px;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-main);
    font-size: 14px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--border-glow);
    background-color: var(--bg-card);
}

[data-theme="dark"] .search-box input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--border-glow);
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.chip:hover, .chip.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-light);
}

[data-theme="dark"] .chip:hover, [data-theme="dark"] .chip.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #121212;
}

.custom-select {
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-main);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.custom-select:focus {
    border-color: var(--color-primary);
}

/* Schedule Grid */
.schedule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 32px;
}

.loading-placeholder {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 0;
    font-style: italic;
    color: var(--text-muted);
    font-size: 18px;
}

/* Schedule Card */
.schedule-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.schedule-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

[data-theme="dark"] .schedule-card:hover {
    border-color: var(--color-accent);
}

.card-header-bar {
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.card-day {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    color: var(--color-primary);
    font-size: 14px;
}

[data-theme="dark"] .card-day {
    color: var(--color-accent);
}

.card-type {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

.card-type.offline {
    background-color: rgba(10, 92, 54, 0.1);
    color: var(--color-primary);
}

[data-theme="dark"] .card-type.offline {
    background-color: rgba(212, 175, 55, 0.15);
    color: var(--color-accent);
}

.card-type.online {
    background-color: rgba(220, 38, 38, 0.1);
    color: #DC2626;
}

.card-body {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-body h3 {
    font-size: 19px;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 14px;
    color: var(--text-main);
}

.card-info-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
}

.card-info-item i {
    width: 20px;
    color: var(--color-accent-dark);
    margin-top: 3px;
}

[data-theme="dark"] .card-info-item i {
    color: var(--color-accent);
}

.card-info-item span {
    color: var(--text-muted);
}

.card-footer {
    padding: 20px 24px;
    background-color: var(--color-primary-light);
    display: flex;
    gap: 12px;
    border-top: 1px solid var(--border-color);
}

.card-btn {
    flex: 1;
    text-align: center;
    padding: 10px 16px;
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.card-btn-map {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}

.card-btn-map:hover {
    background-color: var(--border-color);
}

.card-btn-main {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.card-btn-main:hover {
    background-color: #074728;
}

[data-theme="dark"] .card-btn-main {
    background-color: var(--color-accent);
    color: #121212;
}

[data-theme="dark"] .card-btn-main:hover {
    background-color: var(--color-accent-dark);
}

/* --- Materials Section --- */
.materials-search-bar {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-sm);
}

.search-input-group {
    position: relative;
    flex: 1 1 350px;
}

.search-input-group .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input-group input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-main);
    font-size: 14px;
    transition: all var(--transition-fast);
}

.search-input-group input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--border-glow);
    background-color: var(--bg-card);
}

[data-theme="dark"] .search-input-group input:focus {
    border-color: var(--color-accent);
}

.category-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cat-btn {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cat-btn:hover, .cat-btn.active {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--text-light);
}

[data-theme="dark"] .cat-btn:hover, [data-theme="dark"] .cat-btn.active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #121212;
}

/* Materials Grid */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 24px;
}

/* Material Card */
.material-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

[data-theme="dark"] .material-card:hover {
    border-color: var(--color-accent);
}

.file-type-badge {
    position: absolute;
    top: 0;
    right: 0;
    font-size: 10px;
    font-weight: 800;
    padding: 6px 12px;
    border-bottom-left-radius: var(--radius-sm);
    color: #FFFFFF;
    text-transform: uppercase;
}

.file-type-badge.pdf { background-color: #E11D48; }
.file-type-badge.ppt, .file-type-badge.pptx { background-color: #EA580C; }

.material-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.material-card.pdf-type .material-icon-wrapper {
    background-color: rgba(225, 29, 72, 0.1);
    color: #E11D48;
}

.material-card.ppt-type .material-icon-wrapper {
    background-color: rgba(234, 88, 12, 0.1);
    color: #EA580C;
}

.material-category {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-accent-dark);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}

[data-theme="dark"] .material-category {
    color: var(--color-accent);
}

.material-card h3 {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.4;
    flex-grow: 1;
    color: var(--text-main);
}

.material-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
    margin-bottom: 16px;
}

.material-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-download {
    width: 100%;
    padding: 10px;
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    cursor: pointer;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
}

.btn-download:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

[data-theme="dark"] .btn-download {
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--color-accent);
}

[data-theme="dark"] .btn-download:hover {
    background-color: var(--color-accent);
    color: #121212;
}

/* --- YouTube Videos Gallery --- */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 32px;
}

.video-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

[data-theme="dark"] .video-card:hover {
    border-color: var(--color-accent);
}

.video-thumbnail-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: #000;
    overflow: hidden;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.video-card:hover .video-thumbnail {
    transform: scale(1.05);
}

.play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast);
}

.video-card:hover .play-overlay {
    background-color: rgba(0, 0, 0, 0.5);
}

.play-button {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: all var(--transition-fast);
    padding-left: 4px;
}

.video-card:hover .play-button {
    background-color: var(--color-accent);
    color: #121212;
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.video-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background-color: rgba(0,0,0,0.85);
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
}

.video-info {
    padding: 20px;
}

.video-date {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: block;
}

.video-info h3 {
    font-size: 15px;
    font-weight: 800;
    line-height: 1.4;
    color: var(--text-main);
}

.section-footer-action {
    text-align: center;
    margin-top: 60px;
}

.btn-youtube {
    background-color: #FF0000;
    color: #FFFFFF;
    box-shadow: 0 4px 14px rgba(255, 0, 0, 0.25);
}

.btn-youtube:hover {
    background-color: #CC0000;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.35);
}

/* --- Tentang / Biography Section --- */
.about-section {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.about-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 64px;
    align-items: center;
}

.about-image-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: visible;
    padding: 16px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    box-shadow: var(--shadow-md);
}

.about-img {
    width: 100%;
    border-radius: var(--radius-md);
    object-fit: cover;
}

.about-card-badge {
    position: absolute;
    bottom: -30px;
    right: 40px;
    background-color: var(--color-primary);
    color: #FFFFFF;
    padding: 18px 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
}

[data-theme="dark"] .about-card-badge {
    background-color: var(--color-accent);
    color: #121212;
}

.about-card-badge h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 2px;
}

.about-card-badge p {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.85;
}

.about-lead {
    font-family: var(--font-serif);
    font-size: 20px;
    line-height: 1.5;
    font-style: italic;
    color: var(--color-primary);
    margin-bottom: 24px;
}

[data-theme="dark"] .about-lead {
    color: var(--color-accent);
}

.about-text {
    font-size: 15px;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.profile-features {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.profile-feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

[data-theme="dark"] .feat-icon {
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--color-accent);
}

.feat-text h4 {
    font-size: 15px;
    font-weight: 800;
    margin-bottom: 4px;
}

.feat-text p {
    font-size: 13px;
    color: var(--text-muted);
}

/* --- Contact Section --- */
.contact-container {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 48px;
    align-items: stretch;
}

.contact-info-panel {
    background-color: var(--color-primary);
    color: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-lg);
}

[data-theme="dark"] .contact-info-panel {
    background-color: #131A16;
    border: 1px solid var(--border-color);
}

.light-text {
    color: var(--color-accent) !important;
}

.contact-panel-title {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.contact-panel-desc {
    font-size: 15px;
    opacity: 0.85;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 40px;
}

.contact-detail-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.detail-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

[data-theme="dark"] .detail-icon {
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--color-accent);
}

.detail-text h4 {
    font-size: 14px;
    font-weight: 700;
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.detail-text p {
    font-size: 16px;
    font-weight: 600;
}

.contact-faq {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 20px;
}

.contact-faq h4 {
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 10px;
    text-transform: uppercase;
    color: var(--color-accent);
}

.contact-faq ul {
    list-style: none;
}

.contact-faq li {
    font-size: 13px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
    line-height: 1.4;
    opacity: 0.85;
}

.contact-faq li i {
    color: var(--color-accent);
    margin-top: 2px;
}

/* Contact Form Panel */
.contact-form-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-sm);
}

.contact-form-panel h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 32px;
    color: var(--color-primary);
}

[data-theme="dark"] .contact-form-panel h3 {
    color: #FFFFFF;
}

.modern-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-muted);
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-main);
    font-size: 14px;
    color: var(--text-main);
    transition: all var(--transition-fast);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--border-glow);
    background-color: var(--bg-card);
}

[data-theme="dark"] .form-group input:focus, [data-theme="dark"] .form-group select:focus, [data-theme="dark"] .form-group textarea:focus {
    border-color: var(--color-accent);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23626A65' 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 18px center;
    background-size: 16px;
    padding-right: 48px;
}

.btn-submit {
    background-color: var(--color-primary);
    color: #FFFFFF;
    justify-content: center;
    width: 100%;
    padding: 16px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 10px rgba(10, 92, 54, 0.2);
}

.btn-submit:hover {
    background-color: #074728;
    box-shadow: 0 6px 15px rgba(10, 92, 54, 0.3);
}

[data-theme="dark"] .btn-submit {
    background-color: var(--color-accent);
    color: #121212;
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.2);
}

[data-theme="dark"] .btn-submit:hover {
    background-color: var(--color-accent-dark);
}

.form-disclaimer {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
}

/* --- Footer --- */
.main-footer {
    background-color: #08110C;
    color: #8E9C94;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 0.8fr 0.8fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
    border-bottom: 1px solid #14221A;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo {
    font-size: 24px;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 14px;
    margin-bottom: 24px;
    line-height: 1.5;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.footer-socials a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background-color: #14221A;
    color: #8E9C94;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: all var(--transition-fast);
}

.footer-socials a:hover {
    background-color: var(--color-accent);
    color: #121212;
    transform: translateY(-2px);
}

.footer-links-col h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    color: #FFFFFF;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.footer-links-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-col a {
    font-size: 14px;
    transition: color var(--transition-fast);
}

.footer-links-col a:hover {
    color: var(--color-accent);
}

.contact-col p {
    font-size: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.contact-col i {
    color: var(--color-accent);
    margin-top: 3px;
}

.footer-bottom {
    background-color: #040A07;
    padding: 30px 0;
    font-size: 13px;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom-flex a {
    color: #FFFFFF;
    font-weight: 600;
}

.footer-bottom-flex a:hover {
    color: var(--color-accent);
}

/* --- Video Iframe Modal --- */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.video-modal.open {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 850px;
    background-color: #000;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    z-index: 2;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.video-modal.open .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: -45px;
    right: 0;
    background: none;
    border: none;
    color: #FFFFFF;
    font-size: 24px;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

@media(min-width: 768px) {
    .modal-close {
        top: 15px;
        right: 15px;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background-color: rgba(0,0,0,0.6);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 10;
        border: 1px solid rgba(255,255,255,0.2);
    }
}

.modal-close:hover {
    transform: scale(1.1);
    color: var(--color-accent);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
    .hero-container {
        gap: 32px;
    }
    .about-container {
        gap: 32px;
    }
}

@media (max-width: 991px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 120px;
    }
    .hero-content {
        align-items: center;
    }
    .hero-image-wrapper {
        margin-top: 40px;
    }
    .floating-badge {
        display: none; /* Hide floating badges on tablet/mobile to avoid overflow */
    }
    .about-container {
        grid-template-columns: 1fr;
    }
    .about-image-column {
        max-width: 450px;
        margin: 0 auto;
    }
    .about-card-badge {
        bottom: -15px;
        right: 20px;
    }
    .contact-container {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-card);
        flex-direction: column;
        align-items: center;
        padding: 40px 24px;
        gap: 24px;
        transition: left var(--transition-normal);
        border-top: 1px solid var(--border-color);
        overflow-y: auto;
    }
    
    .nav-menu.open {
        left: 0;
    }

    .mobile-toggle {
        display: flex;
    }

    .btn-contact {
        width: 100%;
        text-align: center;
    }

    .section-padding {
        padding: 60px 0;
    }

    .stats-container {
        gap: 20px;
    }
    .stat-divider {
        display: none;
    }
    .stat-item {
        min-width: 40%;
    }

    .filter-wrapper, .materials-search-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-chips, .category-filters {
        justify-content: center;
    }

    .form-group-row {
        grid-template-columns: 1fr;
    }
    .contact-form-panel {
        padding: 24px;
    }
    .contact-info-panel {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 32px;
    }
    .schedule-grid {
        grid-template-columns: 1fr;
    }
    .materials-grid {
        grid-template-columns: 1fr;
    }
    .video-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom-flex {
        flex-direction: column;
        text-align: center;
    }
}

/* ==========================================================================
   Admin Panel Dashboard Styling
   ========================================================================== */

.admin-badge {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-accent);
    background-color: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    margin-left: 8px;
    vertical-align: middle;
}

.admin-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 24px;
}

.btn-danger-outline {
    background: transparent;
    color: #DC2626;
    border: 1px solid #DC2626;
    font-size: 14px;
    padding: 10px 20px;
}

.btn-danger-outline:hover {
    background-color: #DC2626;
    color: #FFFFFF;
    box-shadow: 0 4px 10px rgba(220, 38, 38, 0.2);
    transform: translateY(-2px);
}

/* Admin Toast Alert */
.admin-alert {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-primary);
    color: #FFFFFF;
    padding: 16px 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    z-index: 2000;
    transform: translateY(150px);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
    font-weight: 600;
    border-left: 5px solid var(--color-accent);
}

.admin-alert.show {
    transform: translateY(0);
    opacity: 1;
}

.admin-alert.error {
    background-color: #DC2626;
    border-left-color: #F87171;
}

.toast-close {
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    font-size: 16px;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: #FFFFFF;
}

/* Admin Tabs */
.admin-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1px;
}

.admin-tab-btn {
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 700;
    border-top-left-radius: var(--radius-md);
    border-top-right-radius: var(--radius-md);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid var(--border-color);
    border-bottom: none;
    margin-bottom: -1px;
}

[data-theme="dark"] .admin-tab-btn {
    background-color: #16201B;
    color: var(--text-muted);
}

.admin-tab-btn:hover {
    background-color: var(--bg-card);
    color: var(--color-primary);
}

[data-theme="dark"] .admin-tab-btn:hover {
    color: #FFFFFF;
}

.admin-tab-btn.active {
    background-color: var(--bg-card);
    color: var(--color-primary);
    border-color: var(--border-color);
    border-bottom: 2px solid var(--bg-card);
    padding-bottom: 15px;
}

[data-theme="dark"] .admin-tab-btn.active {
    color: var(--color-accent);
    border-bottom-color: var(--bg-card);
}

.admin-tab-content {
    display: none;
    animation: fadeIn 0.4s ease;
}

.admin-tab-content.active {
    display: block;
}

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

/* Dashboard Grid Layout */
.admin-grid-layout {
    display: grid;
    grid-template-columns: 1fr 1.8fr;
    gap: 32px;
    align-items: start;
}

.admin-card-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.admin-card-panel h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

[data-theme="dark"] .admin-card-panel h3 {
    color: #FFFFFF;
}

.list-panel {
    padding: 32px 24px;
}

/* Form Actions Row */
.form-actions-inline {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

.form-actions-inline .btn {
    flex: 1;
    justify-content: center;
}

/* Admin Table Design */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 14px;
}

.admin-table th {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: 700;
    padding: 16px;
    border-bottom: 2px solid var(--border-color);
}

[data-theme="dark"] .admin-table th {
    background-color: #16201B;
    color: var(--color-accent);
}

.admin-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    vertical-align: middle;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

.admin-table tbody tr:hover {
    background-color: rgba(10, 92, 54, 0.02);
}

[data-theme="dark"] .admin-table tbody tr:hover {
    background-color: rgba(212, 175, 55, 0.02);
}

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

/* Action Buttons in Tables */
.actions-cell {
    display: flex;
    gap: 8px;
}

.btn-action {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-action-edit {
    background-color: rgba(30, 64, 175, 0.1);
    color: #1D4ED8;
}

.btn-action-edit:hover {
    background-color: #1D4ED8;
    color: #FFFFFF;
}

[data-theme="dark"] .btn-action-edit {
    background-color: rgba(96, 165, 250, 0.15);
    color: #60A5FA;
}

[data-theme="dark"] .btn-action-edit:hover {
    background-color: #60A5FA;
    color: #121212;
}

.btn-action-delete {
    background-color: rgba(220, 38, 38, 0.1);
    color: #DC2626;
}

.btn-action-delete:hover {
    background-color: #DC2626;
    color: #FFFFFF;
}

[data-theme="dark"] .btn-action-delete {
    background-color: rgba(248, 113, 113, 0.15);
    color: #F87171;
}

[data-theme="dark"] .btn-action-delete:hover {
    background-color: #F87171;
    color: #121212;
}

/* Responsive Grid in Admin */
@media (max-width: 1200px) {
    .admin-grid-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .admin-header-flex {
        flex-direction: column;
        align-items: flex-start;
    }
    .admin-actions-top {
        width: 100%;
    }
    .admin-actions-top .btn {
        width: 100%;
        justify-content: center;
    }
    .admin-tabs {
        flex-direction: column;
        gap: 4px;
        border-bottom: none;
    }
    .admin-tab-btn {
        border-radius: var(--radius-sm);
        border: 1px solid var(--border-color);
        margin-bottom: 0;
    }
    .admin-tab-btn.active {
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 14px;
    }
    .admin-card-panel {
        padding: 20px;
    }
}

/* ==========================================================================
   Bookstore & Publications Section Styling
   ========================================================================== */

.bookstore-section {
    background-color: var(--bg-main);
    transition: background-color var(--transition-normal);
}

.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.book-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.book-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

[data-theme="dark"] .book-card:hover {
    border-color: var(--color-accent);
}

.book-cover-wrapper {
    position: relative;
    aspect-ratio: 3 / 4;
    background-color: var(--color-primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.book-cover {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.book-card:hover .book-cover {
    transform: scale(1.05);
}

.book-cover-placeholder {
    font-size: 48px;
    color: var(--color-primary);
    opacity: 0.3;
}

[data-theme="dark"] .book-cover-placeholder {
    color: var(--color-accent);
}

.book-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    color: #FFFFFF;
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

.book-badge.fisik {
    background-color: var(--color-primary);
    border: 1px solid rgba(255,255,255,0.2);
}

[data-theme="dark"] .book-badge.fisik {
    background-color: #1E2E25;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.book-badge.e-book {
    background-color: #1D4ED8;
}

.book-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.book-info h3 {
    font-size: 17px;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 8px;
    color: var(--text-main);
}

.book-desc-short {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 16px;
    flex-grow: 1;
}

.book-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
    margin-top: auto;
}

.book-price {
    font-size: 18px;
    font-weight: 800;
    color: var(--color-primary);
}

[data-theme="dark"] .book-price {
    color: var(--color-accent);
}

.book-price.free {
    color: #059669;
}

.btn-buy {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.btn-buy:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

[data-theme="dark"] .btn-buy {
    background-color: rgba(212, 175, 55, 0.1);
    color: var(--color-accent);
}

[data-theme="dark"] .btn-buy:hover {
    background-color: var(--color-accent);
    color: #121212;
}

.btn-buy-whatsapp {
    background-color: #25D366;
    color: #FFFFFF !important;
}

.btn-buy-whatsapp:hover {
    background-color: #128C7E;
    box-shadow: 0 4px 10px rgba(37, 211, 102, 0.2);
}

[data-theme="dark"] .btn-buy-whatsapp {
    background-color: #25D366;
    color: #121212 !important;
}

[data-theme="dark"] .btn-buy-whatsapp:hover {
    background-color: #128C7E;
}

/* ==========================================================================
   Admin Navigation & Quick Access Buttons
   ========================================================================== */

.btn-admin-nav {
    color: var(--color-accent-dark) !important;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

[data-theme="dark"] .btn-admin-nav {
    color: var(--color-accent) !important;
}

.admin-quick-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    background-color: rgba(212, 175, 55, 0.12);
    color: var(--color-accent-dark);
    border: 1px solid rgba(212, 175, 55, 0.35);
    text-decoration: none;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .admin-quick-btn {
    background-color: rgba(212, 175, 55, 0.15);
    color: var(--color-accent);
}

.admin-quick-btn:hover {
    background-color: var(--color-accent);
    color: #121212;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.25);
}

/* ==========================================================================
   Website Domain Badge in Header
   ========================================================================== */

.domain-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    background-color: rgba(10, 92, 54, 0.08);
    color: var(--color-primary);
    border: 1px solid rgba(10, 92, 54, 0.2);
    text-decoration: none;
    transition: all var(--transition-fast);
}

[data-theme="dark"] .domain-header-badge {
    background-color: rgba(212, 175, 55, 0.12);
    color: var(--color-accent);
    border-color: rgba(212, 175, 55, 0.3);
}

.domain-header-badge:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(10, 92, 54, 0.2);
}

[data-theme="dark"] .domain-header-badge:hover {
    background-color: var(--color-accent);
    color: #121212;
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.25);
}

.btn-secondary-sm {
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-main);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.btn-secondary-sm:hover {
    background-color: #DC2626;
    color: #FFFFFF;
    border-color: #DC2626;
}

/* ==========================================================================
   Admin Login Screen Styling
   ========================================================================== */

.admin-login-section {
    min-height: calc(100vh - 180px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}

.admin-login-card {
    max-width: 440px;
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    animation: fadeIn 0.4s ease;
}

.login-brand {
    margin-bottom: 24px;
}

.login-icon-badge {
    width: 68px;
    height: 68px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: rgba(10, 92, 54, 0.1);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    border: 2px solid rgba(10, 92, 54, 0.2);
}

[data-theme="dark"] .login-icon-badge {
    background: rgba(212, 175, 55, 0.12);
    color: var(--color-accent);
    border-color: rgba(212, 175, 55, 0.3);
}

.login-brand h2 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 6px;
    color: var(--text-main);
}

.login-brand p {
    font-size: 14px;
    color: var(--text-muted);
}

.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    width: 100%;
    padding-right: 48px;
    font-size: 15px;
}

.btn-toggle-eye {
    position: absolute;
    right: 14px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
}

.btn-toggle-eye:hover {
    color: var(--color-primary);
}

[data-theme="dark"] .btn-toggle-eye:hover {
    color: var(--color-accent);
}

.login-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 10px;
    text-align: left;
    line-height: 1.5;
    background: rgba(212, 175, 55, 0.08);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-accent);
}

.login-error-alert {
    background-color: rgba(220, 38, 38, 0.1);
    color: #DC2626;
    border: 1px solid rgba(220, 38, 38, 0.3);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-block {
    width: 100%;
    justify-content: center;
    margin-top: 10px;
}

.login-footer-back {
    margin-top: 24px;
    font-size: 13px;
}

.login-footer-back a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-fast);
}

.login-footer-back a:hover {
    color: var(--color-primary);
}

[data-theme="dark"] .login-footer-back a:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   Admin Video Thumbnail & Backup Grid
   ========================================================================== */

.admin-video-thumb {
    width: 80px;
    height: 48px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.backup-restore-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.backup-box, .restore-box {
    background: var(--bg-main);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.backup-box h4, .restore-box h4 {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

[data-theme="dark"] .backup-box h4, 
[data-theme="dark"] .restore-box h4 {
    color: var(--color-accent);
}

.import-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.file-input-modern {
    font-size: 13px;
    color: var(--text-muted);
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background-color: var(--bg-card);
}

@media (max-width: 768px) {
    .backup-restore-grid {
        grid-template-columns: 1fr;
    }
    .admin-quick-label {
        display: none;
    }
}