/* ==========================================================================
   1. Konfigurasi Dasar & Gaya Global (Base & Global Styles)
   ========================================================================== */

/* Pengaturan dasar untuk seluruh halaman */
body {
    font-family: 'Open Sans', sans-serif;
    transition: background-color 0.3s, color 0.3s;
}

/* Pengaturan untuk Dark Mode */
body.dark-mode {
    background-color: #111827;
    /* Latar belakang gelap */
    color: #f3f4f6;
    /* Teks terang */
}


/* ==========================================================================
   2. Komponen Utama & Gradien (Main Components & Gradients)
   ========================================================================== */

/* Gradien tematik untuk Header dan Footer */
.gradient-header,
.gradient-footer {
    background: linear-gradient(to right, #FFB300, #F44336, #1E88E5, #002E5D);
}

/* Tombol dengan gradien tematik */
.gradient-button {
    background-image: linear-gradient(to right, #FFB300, #F44336, #1E88E5, #002E5D);
    transition: all 0.3s ease-in-out;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.gradient-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 14px rgba(0, 0, 0, 0.15);
}


/* ==========================================================================
   3. Navigasi & Header (Navigation & Header)
   ========================================================================== */

/* Posisi menu navigasi utama */
.main-nav-center {
    margin-left: 20rem;
    /* Sesuaikan nilai ini untuk menggeser posisi menu */
}

/* Efek neon untuk tombol Dashboard */
.neon-glow {
    box-shadow: 0 0 5px #f59e0b, 0 0 10px #f59e0b, 0 0 15px #f59e0b;
    animation: neonPulse 2s ease-in-out infinite alternate;
}

/* Penyesuaian warna teks di Hero Section (Light Mode) */
#header-title {
    color: #8b5cf6;
    /* Warna ungu */
}

#header-subtitle {
    color: #1f2937;
    /* Warna hitam lembut */
}

/* Override warna teks Hero Section untuk Dark Mode */
.dark-mode #header-title,
.dark-mode #header-subtitle {
    color: white;
}


/* ==========================================================================
   4. Formulir & Input (Forms & Inputs)
   ========================================================================== */

/* --- Gaya Search Bar (Light & Dark Mode) --- */

/* Gaya dasar search bar di Light Mode */
#search-input {
    background-color: white;
    border: 1px solid #d1d5db;
    /* Border abu-abu terang */
    color: #1f2937;
    /* Teks hitam */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

#search-input::placeholder {
    color: #6b7280;
    /* Warna placeholder abu-abu */
}

#search-input:focus {
    border-color: #3b82f6;
    /* Border biru saat fokus */
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
    /* Efek glow biru */
}

/* Override gaya search bar untuk Dark Mode (efek kaca) */
.dark-mode #search-input {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    box-shadow: none;
    /* Hapus bayangan dari light mode */
}

.dark-mode #search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.dark-mode #search-input:focus {
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: none;
}

/* --- Peningkatan Gaya Search Bar (Enhanced) --- */

.search-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.search-container::before {
    content: '';
    position: absolute;
    inset: 0;
    padding: 2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #ee7752, #e73c7e);
    border-radius: 50px;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    -webkit-mask-composite: xor;
}

/* Gaya utama untuk search bar */
.search-bar {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: 50px;
    background: white;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-bar:focus {
    outline: none;
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

/* Override search bar untuk Dark Mode */
.dark-mode .search-bar {
    background: #1f2937;
    color: #f3f4f6;
    border-color: #374151;
}


/* ==========================================================================
   5. Grid & Card Mata Kuliah (Course Grid & Cards)
   ========================================================================== */

/* --- Pengaturan Grid --- */

.prodi-course-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Gaya Card --- */

/* Gaya dasar Card dengan efek glass-morphism */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* Gaya Card yang lebih detail (prodi-course-card) */
.prodi-course-card {
    position: relative;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(229, 231, 235, 0.8);
    cursor: pointer;
    display: block;
    text-decoration: none;
    height: 320px;
    /* Tinggi disesuaikan untuk proporsi */
    aspect-ratio: 3/4;
    /* Menjaga rasio aspek seperti buku */
}

/* Efek Hover pada Card */
.prodi-course-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: rgba(59, 130, 246, 0.3);
}

.prodi-course-card:hover .card-image img {
    transform: scale(1.1);
}

.prodi-course-card:hover .card-overlay {
    opacity: 0.7;
}

/* Efek khusus saat hover pada Card */
.prodi-course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(168, 85, 247, 0.05) 50%, rgba(236, 72, 153, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: 16px;
}

.prodi-course-card:hover::before {
    opacity: 1;
}

/* Gaya khusus untuk card Premium */
.prodi-course-card[data-premium="true"] {
    position: relative;
}

.prodi-course-card[data-premium="true"]::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(245, 158, 11, 0.05) 50%, transparent 70%);
    pointer-events: none;
    border-radius: 16px;
}

/* --- Elemen di dalam Card --- */

.card-image {
    position: relative;
    height: 240px;
    /* Tinggi disesuaikan untuk sampul buku */
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* Diubah agar seluruh sampul terlihat */
    object-position: center;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: #f8fafc;
    /* Latar belakang terang untuk sampul buku */
}

/* Fallback jika gambar gagal dimuat */
.card-image img:not([src]),
.card-image img[src=""] {
    display: none;
}

.card-image img:not([src])::after,
.card-image img[src=""]::after {
    content: "📚";
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 3rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
}

/* Overlay Gambar */
.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.1) 70%, rgba(0, 0, 0, 0.4) 100%);
    opacity: 0.6;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ✅ TAMBAHAN: View Button di Card Overlay */
.view-button {
    background: rgba(255, 255, 255, 0.9);
    color: #1f2937;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.prodi-course-card:hover .view-button {
    opacity: 1;
    transform: translateY(0);
}

/* ✅ TAMBAHAN: Premium Badge Styling */
.premium-badge {
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3); }
    50% { box-shadow: 0 6px 20px rgba(255, 193, 7, 0.5); }
    100% { box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3); }
}

/* Badge Status (Free/Premium) */
.status-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: white;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.status-badge.free {
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.status-badge.premium {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

/* Efek kilau pada badge */
.status-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: 0.5s;
}

.status-badge:hover::before {
    left: 100%;
}

/* Konten Teks di dalam Card */
.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.95) 30%, rgba(255, 255, 255, 0.98) 100%);
    backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* Judul Mata Kuliah */
.course-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1f2937;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.9);
}

/* Kode Mata Kuliah */
.course-code {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: #6366f1;
    background: rgba(99, 102, 241, 0.9);
    color: white;
    padding: 3px 6px;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(4px);
}

/* Overlay Kode Mata Kuliah (alternatif) */
.course-code-overlay {
    position: absolute;
    bottom: 5px;
    /* Jarak dari bawah gambar */
    left: 12px;
    /* Jarak dari kiri gambar */
    background: rgba(124, 58, 237, 0.8);
    /* Warna ungu transparan */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: white;
    padding: 5px 10px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.15);
    z-index: 10;
}

/* Ikon Gembok untuk Premium */
.lock-icon {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 20px;
    height: 20px;
    color: #f59e0b;
    opacity: 0.9;
    z-index: 10;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

/* --- Override Card untuk Dark Mode --- */

.dark-mode .prodi-course-card {
    background: #1f2937;
    border-color: rgba(75, 85, 99, 0.8);
    color: #f3f4f6;
}

.dark-mode .prodi-course-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
}

.dark-mode .card-content {
    background: linear-gradient(180deg, rgba(31, 41, 55, 0) 0%, rgba(31, 41, 55, 0.95) 30%, rgba(31, 41, 55, 0.98) 100%);
    border-top: 1px solid rgba(75, 85, 99, 0.3);
}

.dark-mode .course-title {
    color: #f9fafb;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}


/* ==========================================================================
   6. Komponen UI Lainnya (Other UI Components)
   ========================================================================== */

/* --- Paginasi (Pagination) --- */

.pagination button {
    background: white;
    border: 1px solid #e5e7eb;
    color: #374151;
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.pagination button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.pagination .active {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

/* Paginasi Dark Mode */
.dark-mode .pagination button {
    background: #374151;
    border-color: #4b5563;
    color: #f3f4f6;
}

.dark-mode .pagination button:hover {
    background: #4b5563;
    border-color: #60a5fa;
}

/* --- Card Sidebar (Upgrade & Ads) --- */

.upgrade-card {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upgrade-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.upgrade-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 179, 0, 0.05), rgba(244, 67, 54, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upgrade-card:hover::before {
    opacity: 1;
}

.upgrade-card h2 {
    font-size: 24px;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 12px;
}

.upgrade-card p {
    color: #6b7280;
    margin-bottom: 24px;
    line-height: 1.6;
}

/* Card Sidebar Dark Mode */
.dark-mode .upgrade-card {
    background: #1f2937;
    border-color: #374151;
}

.dark-mode .upgrade-card h2 {
    color: #f9fafb;
}

.dark-mode .upgrade-card p {
    color: #d1d5db;
}

/* Placeholder Iklan */
.ad-placeholder {
    background: #f9fafb;
    border: 2px dashed #d1d5db;
    border-radius: 16px;
    padding: 40px 20px;
    text-align: center;
    color: #9ca3af;
    transition: all 0.3s ease;
}

.ad-placeholder:hover {
    border-color: #9ca3af;
    background: #f3f4f6;
}

/* Placeholder Iklan Dark Mode */
.dark-mode .ad-placeholder {
    background: #1f2937;
    border-color: #374151;
    color: #9ca3af;
}

/* --- Modal Premium --- */

#premium-modal {
    backdrop-filter: blur(10px);
    transition: opacity 0.3s ease, visibility 0.3s ease;
    opacity: 0;
    visibility: hidden;
}

#premium-modal.active {
    opacity: 1;
    visibility: visible;
}

#modal-content {
    background: white;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

#premium-modal.active #modal-content {
    transform: scale(1);
}

/* Modal Premium Dark Mode */
.dark-mode #modal-content {
    background: #1f2937;
    border: 1px solid #374151;
}


/* ...existing code... */

/* ==========================================================================
== SIDEBAR STATISTICS SECTION - Light & Dark Mode Fix
========================================================================== */

/* Statistik Belajar Title - Light & Dark Mode */
.glass-card h3 {
    color: #1f2937 !important; /* Gray-800 untuk light mode */
}

.dark-mode .glass-card h3,
body.dark-mode .glass-card h3 {
    color: #ffffff !important; /* White untuk dark mode */
}

/* Statistik Belajar Content - Light & Dark Mode */
.glass-card .text-gray-600 {
    color: #4b5563 !important; /* Gray-600 untuk light mode */
}

.dark-mode .glass-card .text-gray-600,
body.dark-mode .glass-card .text-gray-600 {
    color: #d1d5db !important; /* Gray-300 untuk dark mode */
}

/* All text in glass cards - consistent colors */
.glass-card .text-sm {
    color: #4b5563 !important;
}

.dark-mode .glass-card .text-sm,
body.dark-mode .glass-card .text-sm {
    color: #d1d5db !important;
}

/* ==========================================================================
   7. Animasi & Efek (Animations & Effects)
   ========================================================================== */

/* --- Animasi Keyframes --- */

/* Animasi denyut neon */
@keyframes neonPulse {
    from {
        box-shadow: 0 0 5px #f59e0b, 0 0 10px #f59e0b, 0 0 15px #f59e0b;
    }

    to {
        box-shadow: 0 0 2px #f59e0b, 0 0 5px #f59e0b, 0 0 8px #f59e0b;
    }
}

/* Animasi loading shimmer */

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Animasi mengambang */

@keyframes float {

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

    50% {
        transform: translateY(-20px);
    }
}

/* Animasi fade in */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* --- Class untuk Animasi --- */

/* Animasi loading shimmer */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: loading 1.5s infinite;
}

/* Alternatif animasi loading (dari duplikasi) */
.prodi-course-card.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

.dark-mode .prodi-course-card.loading {
    background: linear-gradient(90deg, #374151 25%, #4b5563 50%, #374151 75%);
    background-size: 200% 100%;
}

/* Animasi mengambang */
.float-animation {
    animation: float 6s ease-in-out infinite;
}

/* Animasi fade-in untuk card */
.prodi-course-card {
    animation: fadeIn 0.6s ease-out forwards;
}

/* --- Transisi & Efek Interaktif --- */

.interactive-element {
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

.interactive-element:hover {
    transform: scale(1.05);
}

.interactive-element:active {
    transform: scale(0.95);
}


/* ==========================================================================
   8. Aksesibilitas & Kueri Media (Accessibility & Media Queries)
   ========================================================================== */

/* --- Desain Responsif --- */

@media (max-width: 1024px) {
    .prodi-course-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.25rem;
    }

    .prodi-course-card {
        height: 300px;
    }

    .card-image {
        height: 220px;
    }
}

@media (max-width: 768px) {

    .prodi-course-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        max-width: 600px;
    }

    .prodi-course-card {
        height: 280px;
    }

    .card-image {
        height: 200px;
    }

    .card-content {
        padding: 0.875rem;
    }

    .course-title {
        font-size: 0.9rem;
    }

    .course-code {
        font-size: 0.65rem;
    }

    /* Sembunyikan border gradien search bar di mobile */
    .search-container::before {
        display: none;
    }

    .search-bar {
        border: 2px solid #e5e7eb;
    }
}

@media (max-width: 480px) {
    .prodi-course-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        max-width: 320px;
    }

    .prodi-course-card {
        height: 320px;
        margin: 0 0.5rem;
    }

    .card-image {
        height: 240px;
    }

    .card-content {
        padding: 1rem;
    }

    .course-title {
        font-size: 1rem;
    }
}

/* --- Preferensi Pengguna --- */

/* Dukungan untuk mode kontras tinggi */
@media (prefers-contrast: high) {

    .prodi-course-card,
    .status-badge {
        border: 2px solid;
    }
}

/* Dukungan untuk mengurangi gerakan (reduced motion) */
@media (prefers-reduced-motion: reduce) {

    .prodi-course-card,
    .card-image img,
    .card-overlay,
    .view-button,
    .interactive-element {
        transition: none;
        animation: none;
    }

    .prodi-course-card:hover {
        transform: none;
    }

    .prodi-course-card:hover .card-image img {
        transform: none;
    }
}

/* --- Gaya Cetak (Print Styles) --- */
@media print {
    .prodi-course-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }

    .prodi-course-card:hover {
        transform: none;
    }

    .status-badge.premium::after {
        content: " (Berbayar)";
    }

    .status-badge.free::after {
        content: " (Gratis)";
    }
}

/* --- Peningkatan Aksesibilitas Fokus --- */

.prodi-course-card:focus {
    outline: 2px solid #6366f1;
    outline-offset: 2px;
}

.prodi-course-card:focus:not(:focus-visible) {
    outline: none;
}

.prodi-course-card:focus-visible {
    outline: 3px solid #6366f1;
    outline-offset: 2px;
    border-radius: 18px;
}

/* --- Kelas Utilitas --- */

/* Untuk menyembunyikan elemen secara visual tapi tetap dapat diakses oleh screen reader */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==========================================================================
   9. Header & Menu Mobile 
   ========================================================================== */

#mobile-menu {
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height 0.3s ease-in-out, padding 0.3s ease-in-out, visibility 0.3s ease-in-out;
    background: linear-gradient(135deg, rgba(255, 179, 0, 0.95), rgba(244, 67, 54, 0.95), rgba(30, 136, 229, 0.95), rgba(0, 46, 93, 0.95));
}

#mobile-menu.is-open {
    max-height: 100vh;
    padding-top: 1rem;
    padding-bottom: 1rem;
    visibility: visible;
}

#latihan-soal-mobile-trigger .chevron-icon {
    transition: transform 0.3s ease;
}

#latihan-soal-mobile-trigger.is-open .chevron-icon {
    transform: rotate(180deg);
}

#latihan-soal-mobile-content {
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: 0.5rem;
    margin-top: 0.25rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
    padding-top: 0 !important;
    /* Tambahkan ini */
    padding-bottom: 0 !important;
    /* Tambahkan ini */

}

.dark-mode #mobile-menu {
    .dark-mode #mobile-menu {
        background: linear-gradient(135deg, rgba(255, 179, 0, 0.95), rgba(244, 67, 54, 0.95), rgba(30, 136, 229, 0.95), rgba(0, 46, 93, 0.95));
    }
}