/* LMS PKBM INTAN. Mobile-first, tanpa framework CSS. */

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font-base);
    font-size: var(--font-size-base);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ---------- Layout ---------- */

.impersonate-banner {
    background: var(--color-gold);
    color: var(--color-primary-dark);
    padding: var(--spacing-2) var(--spacing-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2);
    flex-wrap: wrap;
    font-size: 0.9rem;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 40;
}

.impersonate-banner .btn {
    background: var(--color-primary-dark);
    color: #fff;
    padding: 6px 12px;
    min-height: auto;
}

.site-header {
    background: var(--color-primary);
    color: var(--color-text-on-primary);
    padding: var(--spacing-2) var(--spacing-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header .brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-text-on-primary);
    font-weight: 700;
    font-size: 1.1rem;
}

.site-header .brand img { height: 32px; width: auto; }
.site-header .brand span { display: none; }

.site-header nav {
    display: none;
}

.site-header .user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: 0.9rem;
}

.site-header .user-menu .user-name { display: none; }
.site-header .user-menu .logout-btn { display: none; }

@media (min-width: 768px) {
    .site-header .brand span { display: inline; }
    .site-header .user-menu .user-name { display: inline; }
    .site-header .user-menu .logout-btn { display: inline-block; }
}

.mobile-nav-logout {
    display: block;
    padding: var(--spacing-3);
    color: var(--color-text-on-primary);
    border-top: 1px solid rgba(255,255,255,0.12);
    font-weight: 700;
    background: rgba(0,0,0,0.15);
}

@media (min-width: 768px) {
    .mobile-nav-logout { display: none; }
}

/* Bottom nav bar ala aplikasi mobile native (Android/iPhone), khusus
   warga_belajar & khusus layar kecil - di desktop nav atas sudah cukup. */
.bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 20;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.06);
    padding-bottom: env(safe-area-inset-bottom, 0);
}

body.has-bottom-nav .bottom-nav { display: flex; }

.bottom-nav a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 8px 4px 6px;
    color: var(--color-text-muted);
    font-size: 0.7rem;
}

.bottom-nav a:hover { text-decoration: none; }
.bottom-nav a.active { color: var(--color-primary); }
.bottom-nav-icon { font-size: 1.3rem; position: relative; }
.bottom-nav-label { font-weight: 600; }

.bottom-nav-badge {
    position: absolute;
    top: -4px;
    right: -8px;
    background: var(--color-danger);
    color: #fff;
    border-radius: 999px;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 1px 5px;
    line-height: 1.3;
}

body.has-bottom-nav main.container { padding-bottom: 76px; }

@media (min-width: 768px) {
    .bottom-nav { display: none !important; }
    body.has-bottom-nav main.container { padding-bottom: var(--spacing-3); }
}

.welcome-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin: 0 0 var(--spacing-3);
}

.welcome-text { min-width: 0; }

.welcome-message {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.welcome-page-title { margin: 2px 0 0; }

.welcome-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.welcome-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-text-on-primary);
    font-weight: 700;
    font-size: 1.1rem;
    text-transform: uppercase;
}

/* Preview foto baru setelah di-crop (sebelum form disimpan) */
.foto-crop-preview-wrap { margin-top: var(--spacing-2); }

.foto-crop-preview-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    margin-top: 6px;
}

/* Modal crop foto (public/js/foto-crop.js) */
.crop-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(20, 20, 20, 0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3);
    z-index: 200;
}

.crop-modal {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-4);
    width: 100%;
    max-width: 360px;
    text-align: center;
}

.crop-modal-title {
    margin: 0 0 var(--spacing-3);
    color: var(--color-primary);
    font-size: 1.1rem;
}

.crop-modal-canvas-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-3);
}

.crop-modal-canvas {
    border-radius: 50%;
    background: var(--color-bg);
    cursor: grab;
    touch-action: none;
}

.crop-modal-canvas:active { cursor: grabbing; }

.crop-modal-zoom-label {
    display: block;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.crop-modal-zoom { width: 100%; margin-top: 6px; }

.crop-modal-hint {
    font-size: 0.8rem;
    margin: 0 0 var(--spacing-3);
}

.crop-modal-actions {
    display: flex;
    gap: var(--spacing-2);
    justify-content: center;
}

.btn-menu-toggle {
    background: none;
    border: none;
    color: var(--color-text-on-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-1);
}

.mobile-nav {
    display: none;
    background: var(--color-primary-dark);
}

.mobile-nav.is-open { display: block; }

.mobile-nav a {
    display: block;
    padding: var(--spacing-3);
    color: var(--color-text-on-primary);
    border-top: 1px solid rgba(255,255,255,0.12);
}

.mobile-nav a.active { background: rgba(255,255,255,0.08); font-weight: 700; }

.mobile-nav-group summary {
    list-style: none;
    cursor: pointer;
    padding: var(--spacing-3);
    color: var(--color-text-on-primary);
    font-weight: 700;
    border-top: 1px solid rgba(255,255,255,0.12);
}

.mobile-nav-group summary::-webkit-details-marker { display: none; }
.mobile-nav-group summary::after { content: '\25BE'; float: right; }
.mobile-nav-group[open] summary::after { content: '\25B4'; }

.mobile-nav-group a {
    padding-left: calc(var(--spacing-3) * 2);
    border-top: 1px solid rgba(255,255,255,0.08);
    background: rgba(0,0,0,0.12);
}

main.container {
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding: var(--spacing-3);
}

/* Layout sidebar-kiri + konten-kanan untuk SEMUA role (bisa
   dibuka/ditutup) - lihat includes/header.php $sidebarMobileDrawer
   (admin/tutor dapat sidebar SEKALIGUS di mobile sbg drawer; warga_belajar
   cuma di desktop, mobile tetap pakai mobile-nav + bottom-nav lama). */
main.container.app-shell {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-3);
    max-width: 1400px;
}

.app-sidebar {
    display: none;
    flex-direction: column;
    gap: 2px;
    flex-shrink: 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--spacing-2);
}

body.sidebar-open .app-sidebar {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    z-index: 41;
    overflow-y: auto;
    border-radius: 0;
    box-shadow: 2px 0 16px rgba(0,0,0,0.2);
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 51, 87, 0.45);
    z-index: 40;
}

body.sidebar-open .sidebar-backdrop { display: block; }

.app-sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    color: var(--color-text-muted);
    padding: 6px 8px 10px;
}

.app-sidebar-close {
    background: none;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: 2px 6px;
}

.app-sidebar-title {
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
    margin: 12px 8px 2px;
}

.app-sidebar a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 10px;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.92rem;
}

.app-sidebar a:hover { background: var(--color-accent-light); text-decoration: none; }
.app-sidebar a.active { background: var(--color-primary); color: var(--color-text-on-primary); }

.app-sidebar-icon { font-size: 1.05em; flex-shrink: 0; }
.app-sidebar-title .app-sidebar-icon { margin-right: 4px; }

.app-main { flex: 1; min-width: 0; }

.app-sidebar-reopen {
    display: none;
    align-items: center;
    gap: 6px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 8px 14px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    margin-bottom: var(--spacing-3);
}

@media (min-width: 900px) {
    main.container.app-shell { flex-direction: row; align-items: flex-start; }

    .app-sidebar {
        display: flex;
        width: 250px;
        position: sticky;
        top: calc(var(--spacing-3) + 64px);
        max-height: calc(100vh - 90px);
        overflow-y: auto;
    }

    .sidebar-backdrop { display: none !important; }

    body.sidebar-hidden .app-sidebar { display: none; }
    body.sidebar-hidden .app-sidebar-reopen { display: inline-flex; }
}

/* Panel "Tambah X" yang disembunyikan di belakang tombol, supaya
   halaman tidak langsung penuh - dipakai di semua form tambah/ubah
   admin & tutor. Native <details> - tanpa JS, otomatis "open" saat
   $editData ada (lihat pemakaian per halaman). */
.add-panel { margin-bottom: var(--spacing-3); }

.add-panel summary {
    cursor: pointer;
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-primary);
    color: var(--color-text-on-primary);
    padding: 10px 18px;
    border-radius: var(--radius);
    font-weight: 700;
    box-shadow: var(--shadow-card);
}

.add-panel summary::-webkit-details-marker { display: none; }
.add-panel summary::before { content: '+'; font-size: 1.1em; line-height: 1; }
.add-panel[open] summary::before { content: '\2212'; }

.add-panel[open] summary {
    background: var(--color-surface);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
    box-shadow: none;
    margin-bottom: var(--spacing-2);
}

.add-panel-body {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--spacing-3);
    box-shadow: var(--shadow-card);
}

.page-title {
    margin: 0 0 var(--spacing-3);
    font-size: 1.4rem;
    color: var(--color-primary);
}

/* ---------- Kartu ---------- */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-3);
    margin-bottom: var(--spacing-3);
}

.card-title {
    margin: 0 0 var(--spacing-2);
    font-size: 1.1rem;
    color: var(--color-primary);
}

/* Kartu ringkasan angka besar (dashboard) */
.stat-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-3);
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius);
    padding: var(--spacing-3);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.1;
}

.stat-card .stat-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.stat-card.warning { border-left-color: var(--color-warning); }
.stat-card.danger { border-left-color: var(--color-danger); }
.stat-card.success { border-left-color: var(--color-success); }

/* Akses cepat dashboard (grid ikon ala menu CBT) */
.quick-link-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3) var(--spacing-2);
}

.quick-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-2);
    text-align: center;
    padding: var(--spacing-2);
    border: 1px solid transparent;
    border-radius: var(--radius);
    color: var(--color-text);
    text-decoration: none;
    transition: border-color .15s, box-shadow .15s, transform .15s, background-color .15s;
}

.quick-link:hover {
    border-color: var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
    text-decoration: none;
}

.quick-link-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    font-size: 1.5rem;
    line-height: 1;
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.quick-link-icon.c-primary { background: var(--color-primary-light); color: var(--color-primary); }
.quick-link-icon.c-success { background: var(--color-success-light); color: var(--color-success); }
.quick-link-icon.c-warning { background: var(--color-warning-light); color: var(--color-warning); }
.quick-link-icon.c-gold { background: var(--color-gold-light); color: var(--color-primary-dark); }

.quick-link-label { font-size: 0.82rem; font-weight: 600; }

@media (min-width: 600px) {
    .quick-link-grid { grid-template-columns: repeat(4, 1fr); }
}

/* Kegiatan terbaru dashboard (timeline ringkas) */
.activity-list { list-style: none; margin: 0; padding: 0; }

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-1);
    padding: 6px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.activity-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    flex-shrink: 0;
    font-size: 0.75rem;
    border-radius: 50%;
    background: var(--color-accent-light);
    margin-top: 1px;
}

.activity-body { flex: 1; min-width: 0; }
.activity-text { margin: 0; font-size: 0.8rem; line-height: 1.35; }
.activity-time { color: var(--color-text-muted); font-size: 0.7rem; }

/* ---------- Form ---------- */

.form-group { margin-bottom: var(--spacing-3); }

label {
    display: block;
    margin-bottom: var(--spacing-1);
    font-weight: 600;
    font-size: 0.92rem;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="date"],
input[type="datetime-local"],
input[type="file"],
select,
textarea {
    width: 100%;
    padding: 12px var(--spacing-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    background: var(--color-surface);
    color: var(--color-text);
}

textarea { min-height: 120px; resize: vertical; }

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-light);
}

/* Tombol tampilkan/sembunyikan password (public/js/password-toggle.js) */
.password-toggle-wrap {
    position: relative;
    width: 100%;
}

.password-toggle-wrap input {
    width: 100%;
    padding-right: 44px;
}

.password-toggle-btn {
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.15rem;
    line-height: 1;
    padding: 6px;
    color: var(--color-text-muted);
}

.form-help {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--spacing-1);
}

/* ---------- Tombol ---------- */

.btn {
    display: inline-block;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    min-height: 44px;
    line-height: 1.2;
}

.btn-primary { background: var(--color-primary); color: var(--color-text-on-primary); }
.btn-primary:hover { background: var(--color-primary-dark); color: var(--color-text-on-primary); text-decoration: none; }

.btn-accent { background: var(--color-accent); color: #fff; }
.btn-accent:hover { color: #fff; text-decoration: none; opacity: 0.92; }

.btn-danger { background: var(--color-danger); color: #fff; }
.btn-danger:hover { color: #fff; text-decoration: none; opacity: 0.92; }

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-block { display: block; width: 100%; }
.btn-sm { padding: 8px 14px; min-height: 36px; font-size: 0.9rem; }

/* ---------- Badge & alert ---------- */

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
}

.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-light); color: var(--color-danger); }
.badge-info { background: var(--color-accent-light); color: var(--color-accent); }

.alert {
    padding: var(--spacing-3);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-3);
    font-size: 0.95rem;
}

.alert-danger { background: var(--color-danger-light); color: var(--color-danger); border: 1px solid var(--color-danger); }
.alert-success { background: var(--color-success-light); color: var(--color-success); border: 1px solid var(--color-success); }
.alert-info { background: var(--color-accent-light); color: var(--color-primary); border: 1px solid var(--color-accent); }

/* ---------- Tabel ---------- */

.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
}

th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

th { color: var(--color-text-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.02em; }

/* ---------- Kartu Mapel (Kelas Saya) ---------- */

.mapel-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3);
}

@media (min-width: 640px) {
    .mapel-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .mapel-grid { grid-template-columns: repeat(3, 1fr); }
}

.mapel-card {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    color: var(--color-text);
}

.mapel-card:hover { text-decoration: none; box-shadow: 0 4px 14px rgba(15, 51, 87, 0.16); }

.mapel-card-banner {
    position: relative;
    padding: 22px 18px;
    min-height: 128px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
}

.mapel-card-banner::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 90px;
    height: 90px;
    background: var(--color-gold);
    clip-path: polygon(100% 0, 0 0, 100% 100%);
    opacity: 0.9;
}

.mapel-card-banner::after {
    content: '';
    position: absolute;
    bottom: -26px;
    left: -26px;
    width: 80px;
    height: 80px;
    background: var(--color-accent);
    clip-path: polygon(0 100%, 0 0, 100% 100%);
    opacity: 0.85;
}

.mapel-card-banner .program-label {
    position: relative;
    z-index: 1;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
    opacity: 0.9;
}

.mapel-card-banner .mapel-name {
    position: relative;
    z-index: 1;
    font-size: 1.35rem;
    font-weight: 800;
    line-height: 1.25;
    margin-top: 4px;
}

.mapel-card-body {
    padding: 12px 16px 16px;
}

.mapel-card-body .mapel-name-small {
    font-weight: 700;
    color: var(--color-primary);
    display: block;
    margin-bottom: 2px;
}

.mapel-card-body .program-tahun {
    color: var(--color-text-muted);
    font-size: 0.82rem;
}

/* ---------- Halaman mapel (course page) ---------- */

.course-section summary {
    cursor: pointer;
    padding: 12px 4px;
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.course-section summary::-webkit-details-marker { display: none; }
.course-section summary::after { content: '\25BE'; color: var(--color-text-muted); }
.course-section[open] summary::after { content: '\25B4'; }
.course-section { border-bottom: 1px solid var(--color-border); }
.course-section:last-child { border-bottom: none; }

.course-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 4px 10px 8px;
    border-radius: var(--radius-sm);
}

.course-item:hover { background: var(--color-accent-light); text-decoration: none; }
.course-item .course-item-icon { font-size: 1.2rem; flex-shrink: 0; }
.course-item .course-item-label { flex: 1; color: var(--color-text); }
.course-item .course-item-meta { font-size: 0.8rem; color: var(--color-text-muted); }

/* Kartu materi collapsible (warga-belajar/materi.php) - di luar cuma
   judul + ringkasan singkat, isi lengkap (teks/file/video) baru
   dirender saat di-klik/dibuka, supaya daftar tidak langsung
   menumpahkan semua konten sekaligus. */
.materi-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--spacing-2) var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.materi-summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) 0;
}

.materi-summary::-webkit-details-marker { display: none; }
.materi-summary::after { content: '\25BE'; color: var(--color-text-muted); margin-left: auto; flex-shrink: 0; }
.materi-card[open] .materi-summary::after { content: '\25B4'; }

.materi-summary-icon { font-size: 1.3rem; flex-shrink: 0; }
.materi-summary-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.materi-summary-title { font-weight: 600; color: var(--color-primary); }
.materi-summary-desc {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.materi-body {
    margin-top: var(--spacing-1);
    padding-top: var(--spacing-3);
    border-top: 1px solid var(--color-border);
}

.video-embed-wrap {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    margin: var(--spacing-2) 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #000;
}

.video-embed-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Grup kategori/judul bank soal (tutor/bank-soal.php) - collapsible,
   supaya soal yang diimport/dikelompokkan (mis. "Ulangan Bab 1") tidak
   numpuk jadi satu daftar panjang. */
.soal-kategori-group {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    margin-bottom: var(--spacing-3);
}

.soal-kategori-summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    font-weight: 700;
    color: var(--color-primary);
}

.soal-kategori-summary::-webkit-details-marker { display: none; }
.soal-kategori-summary::after { content: '\25BE'; color: var(--color-text-muted); font-weight: 400; }
.soal-kategori-group[open] .soal-kategori-summary::after { content: '\25B4'; }
.soal-kategori-summary .soal-kategori-count { font-size: 0.8rem; font-weight: 500; color: var(--color-text-muted); margin-left: auto; margin-right: var(--spacing-2); }

.soal-kategori-body {
    padding: 0 var(--spacing-3) var(--spacing-3);
}

/* Tab bar ala Moodle (Kursus/Nilai/Absensi) di atas halaman mapel */
.course-tabs {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    background: var(--color-surface-alt, #f4f6f8);
    border-radius: var(--radius);
    padding: 6px;
    margin-bottom: var(--spacing-3);
}

.course-tabs a {
    flex-shrink: 0;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
}

.course-tabs a:hover { background: rgba(15, 51, 87, 0.08); text-decoration: none; }
.course-tabs a.active { background: var(--color-primary); color: var(--color-text-on-primary); }

/* Sidebar navigasi section (kiri) + konten (kanan), ala course page Moodle */
.course-page {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-3);
}

.course-sidebar-toggle {
    display: block;
    width: 100%;
    text-align: left;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 10px 14px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    margin-bottom: var(--spacing-2);
}

.course-sidebar {
    display: none;
    flex-direction: column;
    gap: var(--spacing-2);
    flex-shrink: 0;
    width: 100%;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: var(--spacing-2) var(--spacing-3);
}

.course-sidebar.is-open { display: flex; }

.course-sidebar-group { display: flex; flex-direction: column; }
.course-sidebar-title {
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--color-text-muted);
    margin-top: 6px;
}
.course-sidebar-group a { padding: 6px 0 6px 4px; color: var(--color-text); }
.course-sidebar-group a:hover { color: var(--color-primary); text-decoration: none; }

.course-main { flex: 1; min-width: 0; }

@media (min-width: 900px) {
    .course-page { flex-direction: row; align-items: flex-start; }
    .course-sidebar-toggle { display: none; }
    .course-sidebar {
        display: flex;
        width: 260px;
        position: sticky;
        top: calc(var(--spacing-3) + 60px);
    }
}

/* ---------- Login ---------- */

.login-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Panel ilustrasi - HANYA tampil di desktop (>=900px), disembunyikan di
   mobile supaya form login tetap jadi fokus utama & tidak makan tempat
   di layar kecil (ilustrasi dekoratif, bukan konten esensial). */
.login-illustration { display: none; }

.login-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3);
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary) 220px, var(--color-bg) 220px);
}

.login-card {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: var(--spacing-5) var(--spacing-4);
    width: 100%;
    max-width: 380px;
    text-align: center;
}

.login-card img.logo { height: 72px; margin: 0 auto var(--spacing-3); }

.login-card h1 {
    font-size: 1.2rem;
    color: var(--color-primary);
    margin: 0 0 var(--spacing-4);
}

.login-card .form-group { text-align: left; }

@media (min-width: 900px) {
    .login-page { flex-direction: row; }

    .login-illustration {
        display: flex;
        flex: 1;
        align-items: center;
        justify-content: center;
        padding: var(--spacing-5);
        background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    }

    .login-illustration-inner {
        max-width: 420px;
        text-align: center;
        color: var(--color-text-on-primary);
    }

    .login-illustration-logo { height: 40px; margin-bottom: var(--spacing-4); }
    .login-illustration-img { width: 100%; height: auto; margin-bottom: var(--spacing-4); }

    .login-illustration-inner h2 {
        font-size: 1.4rem;
        margin: 0 0 var(--spacing-2);
    }

    .login-illustration-inner p {
        margin: 0;
        font-size: 0.95rem;
        opacity: 0.85;
    }

    .login-panel {
        flex: 1;
        background: var(--color-bg);
        padding: var(--spacing-5);
    }
}

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

.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-2); flex-wrap: wrap; }

/* ---------- Desktop ke atas ---------- */

@media (min-width: 768px) {
    .site-header nav {
        display: flex;
        align-items: center;
        gap: var(--spacing-1);
    }

    .site-header nav > a {
        color: var(--color-text-on-primary);
        padding: 8px 14px;
        border-radius: var(--radius-sm);
        font-size: 0.92rem;
    }

    .site-header nav > a:hover,
    .site-header nav > a.active {
        background: rgba(255,255,255,0.14);
        text-decoration: none;
    }

    /* Dropdown kategori (pakai <details>/<summary> - tanpa JS berat) */
    .site-header nav details {
        position: relative;
    }

    .site-header nav summary {
        list-style: none;
        cursor: pointer;
        color: var(--color-text-on-primary);
        padding: 8px 14px;
        border-radius: var(--radius-sm);
        font-size: 0.92rem;
        user-select: none;
    }

    .site-header nav summary::-webkit-details-marker { display: none; }
    .site-header nav summary .caret { font-size: 0.7em; margin-left: 2px; }

    .site-header nav summary:hover,
    .site-header nav summary.active {
        background: rgba(255,255,255,0.14);
    }

    .site-header nav details[open] summary {
        background: rgba(255,255,255,0.2);
    }

    .site-header nav .dropdown-panel {
        position: absolute;
        top: calc(100% + 4px);
        left: 0;
        min-width: 190px;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-sm);
        box-shadow: var(--shadow-card);
        padding: 6px;
        z-index: 30;
    }

    .site-header nav .dropdown-panel a {
        display: block;
        padding: 8px 10px;
        border-radius: var(--radius-sm);
        color: var(--color-text);
        font-size: 0.9rem;
        white-space: nowrap;
    }

    .site-header nav .dropdown-panel a:hover,
    .site-header nav .dropdown-panel a.active {
        background: var(--color-accent-light);
        text-decoration: none;
    }

    .btn-menu-toggle { display: none; }
    .mobile-nav { display: none !important; }

    .stat-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1024px) {
    .stat-grid { grid-template-columns: repeat(4, 1fr); }
}