/* =========================================================
   custom.css — Littattafan Hausa
   All custom styles, color utilities, and component styles.
   ========================================================= */

/* ---------------------------------------------------------
   1. CSS Custom Properties
   --------------------------------------------------------- */
:root {
    --color-primary: #1a5632;
    --color-primary-light: #2d7a4a;
    --color-primary-dark: #0f3d22;
    --color-gold: #c8a84e;
    --color-gold-light: #e0c878;
    --color-gold-dark: #a88a2e;
    --color-cream: #faf8f0;
    --color-cream-dark: #f0ead6;
}

/* ---------------------------------------------------------
   2. Custom Color Utilities (supplement compiled Tailwind)
   --------------------------------------------------------- */
/* Backgrounds */
.bg-primary { background-color: var(--color-primary) !important; }
.bg-primary-light { background-color: var(--color-primary-light) !important; }
.bg-primary-dark { background-color: var(--color-primary-dark) !important; }
.bg-primary\/5 { background-color: rgba(26,86,50,0.05) !important; }
.bg-primary\/10 { background-color: rgba(26,86,50,0.1) !important; }
.bg-gold { background-color: var(--color-gold) !important; }
.bg-gold-light { background-color: var(--color-gold-light) !important; }
.bg-gold\/10 { background-color: rgba(200,168,78,0.1) !important; }
.bg-gold\/20 { background-color: rgba(200,168,78,0.2) !important; }
.bg-gold\/30 { background-color: rgba(200,168,78,0.3) !important; }
.bg-gold\/5 { background-color: rgba(200,168,78,0.05) !important; }
.bg-cream { background-color: var(--color-cream) !important; }
.bg-cream-dark { background-color: var(--color-cream-dark) !important; }
.bg-cream\/50 { background-color: rgba(250,248,240,0.5) !important; }
.bg-white\/5 { background-color: rgba(255,255,255,0.05) !important; }
.bg-white\/10 { background-color: rgba(255,255,255,0.1) !important; }
.bg-white\/15 { background-color: rgba(255,255,255,0.15) !important; }
.bg-white\/20 { background-color: rgba(255,255,255,0.2) !important; }
.bg-red-500\/20 { background-color: rgba(239,68,68,0.2) !important; }
.bg-green-500\/20 { background-color: rgba(34,197,94,0.2) !important; }

/* Text colors */
.text-primary { color: var(--color-primary) !important; }
.text-primary-light { color: var(--color-primary-light) !important; }
.text-primary-dark { color: var(--color-primary-dark) !important; }
.text-gold { color: var(--color-gold) !important; }
.text-gold-light { color: var(--color-gold-light) !important; }
.text-gold-dark { color: var(--color-gold-dark) !important; }
.text-gold\/30 { color: rgba(200,168,78,0.3) !important; }
.text-gold\/60 { color: rgba(200,168,78,0.6) !important; }
.text-white\/40 { color: rgba(255,255,255,0.4) !important; }
.text-white\/50 { color: rgba(255,255,255,0.5) !important; }
.text-white\/60 { color: rgba(255,255,255,0.6) !important; }
.text-white\/70 { color: rgba(255,255,255,0.7) !important; }
.text-white\/80 { color: rgba(255,255,255,0.8) !important; }

/* Border colors */
.border-primary { border-color: var(--color-primary) !important; }
.border-primary\/10 { border-color: rgba(26,86,50,0.1) !important; }
.border-gold { border-color: var(--color-gold) !important; }
.border-gold\/30 { border-color: rgba(200,168,78,0.3) !important; }
.border-gold\/40 { border-color: rgba(200,168,78,0.4) !important; }
.border-white\/10 { border-color: rgba(255,255,255,0.1) !important; }
.border-white\/20 { border-color: rgba(255,255,255,0.2) !important; }
.border-white\/30 { border-color: rgba(255,255,255,0.3) !important; }
.border-red-500\/30 { border-color: rgba(239,68,68,0.3) !important; }
.border-green-500\/30 { border-color: rgba(34,197,94,0.3) !important; }

/* Gradient utilities */
.from-primary { --tw-gradient-from: var(--color-primary); }
.to-primary { --tw-gradient-to: var(--color-primary); }
.via-primary-light { --tw-gradient-via: var(--color-primary-light); }
.from-primary-light { --tw-gradient-from: var(--color-primary-light); }
.to-primary-light { --tw-gradient-to: var(--color-primary-light); }
.from-primary\/5 { --tw-gradient-from: rgba(26,86,50,0.05); }
.to-gold\/5 { --tw-gradient-to: rgba(200,168,78,0.05); }
.bg-gradient-to-r.from-primary.to-gold {
    background-image: linear-gradient(to right, var(--color-primary), var(--color-gold));
}
.bg-gradient-to-br.from-primary.via-primary-light.to-primary {
    background-image: linear-gradient(to bottom right, var(--color-primary), var(--color-primary-light), var(--color-primary));
}
.bg-gradient-to-br.from-primary.to-primary-light {
    background-image: linear-gradient(to bottom right, var(--color-primary), var(--color-primary-light));
}

/* Hover variants */
.hover\:bg-gold-light:hover { background-color: var(--color-gold-light) !important; }
.hover\:bg-gold\/90:hover { background-color: rgba(200,168,78,0.9) !important; }
.hover\:bg-gold\/30:hover { background-color: rgba(200,168,78,0.3) !important; }
.hover\:bg-primary-light:hover { background-color: var(--color-primary-light) !important; }
.hover\:bg-white\/10:hover { background-color: rgba(255,255,255,0.1) !important; }
.hover\:bg-white\/20:hover { background-color: rgba(255,255,255,0.2) !important; }
.hover\:text-gold:hover { color: var(--color-gold) !important; }
.hover\:text-gold-dark:hover { color: var(--color-gold-dark) !important; }
.hover\:text-primary:hover { color: var(--color-primary) !important; }
.hover\:text-primary-light:hover { color: var(--color-primary-light) !important; }
.hover\:border-primary:hover { border-color: var(--color-primary) !important; }
.hover\:border-gold:hover { border-color: var(--color-gold) !important; }
.hover\:shadow-gold\/30:hover { box-shadow: 0 10px 25px -5px rgba(200,168,78,0.3); }
.hover\:border-yellow-300\/40:hover { border-color: rgba(253,224,71,0.4) !important; }

/* Focus variants */
.focus\:border-primary:focus { border-color: var(--color-primary) !important; }
.focus\:border-gold:focus { border-color: var(--color-gold) !important; }
.focus\:ring-primary:focus { --tw-ring-color: var(--color-primary); }
.focus\:ring-primary\/10:focus { --tw-ring-color: rgba(26,86,50,0.1); }
.focus\:ring-primary\/20:focus { --tw-ring-color: rgba(26,86,50,0.2); }

/* Placeholder */
.placeholder-white\/50::placeholder { color: rgba(255,255,255,0.5); }

/* Shadow */
.shadow-gold\/30 { box-shadow: 0 10px 25px -5px rgba(200,168,78,0.3); }

/* Responsive color utilities */
@media (min-width: 768px) {
    .md\:flex-row { flex-direction: row; }
}

/* ---------------------------------------------------------
   3. Base Styles
   --------------------------------------------------------- */
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
html:not(.dark) body { background-color: #faf8f0; }

/* ---------------------------------------------------------
   4. Dark Mode
   --------------------------------------------------------- */
html.dark body { background-color: #0F2A1F; color: #e0e0e0; }
html.dark .bg-white { background-color: #25343b !important; }
html.dark .text-gray-800, html.dark .text-gray-700, html.dark .text-gray-600 { color: #ccc !important; }
html.dark .text-gray-500, html.dark .text-gray-400 { color: #999 !important; }
html.dark .border-gray-100, html.dark .border-gray-200 { border-color: #2a2a4a !important; }
html.dark .bg-cream, html.dark .bg-\[\#faf8f0\] { background-color: #1a1a2e !important; }

/* ---------------------------------------------------------
   5. RTL Support
   --------------------------------------------------------- */
[dir="rtl"] { direction: rtl; text-align: right; }
[dir="rtl"] .rtl-reverse { flex-direction: row-reverse; }
[dir="rtl"] .flex-col { flex-direction: column; }
[dir="rtl"] .ml-auto { margin-right: auto; margin-left: 0; }
[dir="rtl"] .mr-auto { margin-left: auto; margin-right: 0; }
[dir="rtl"] .pl-10 { padding-right: 2.5rem; padding-left: 1rem; }
[dir="rtl"] .left-3 { left: 0.75rem; right: auto; }
[dir="rtl"] .text-left { text-align: right; }
[dir="rtl"] .text-right { text-align: left; }
[dir="rtl"] .space-x-2 > :not([hidden]) ~ :not([hidden]) { margin-right: 0.5rem; margin-left: 0; }
[dir="rtl"] .gap-3 { gap: 0.75rem; }
[dir="rtl"] .border-l { border-left: 0; border-right-width: 1px; }

/* ---------------------------------------------------------
   6. Mobile Menu Transition
   --------------------------------------------------------- */
#mobileMenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease-in-out, opacity 0.25s ease;
    opacity: 0;
}
#mobileMenu.open {
    max-height: 500px;
    opacity: 1;
}

/* ---------------------------------------------------------
   7. Notification Dropdown
   --------------------------------------------------------- */
.notif-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    width: 320px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
}
.notif-dropdown.open { display: block; }

/* ---------------------------------------------------------
   8. Mobile Bottom Nav
   --------------------------------------------------------- */
.mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    background: white;
    border-top: 1px solid #e5e7eb;
    padding: 0.25rem 0;
    display: none;
}
html.dark .mobile-bottom-nav { background: #25343b; border-color: #2a2a4a; }
@media (max-width: 767px) {
    .mobile-bottom-nav { display: flex; }
    main { padding-bottom: 64px; }
}
.mobile-bottom-nav a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    min-width: 44px;
    font-size: 10px;
    color: #6b7280;
    transition: color 0.2s;
    -webkit-tap-highlight-color: transparent;
}
.mobile-bottom-nav a.active,
.mobile-bottom-nav a:hover { color: #1a5632; }
html.dark .mobile-bottom-nav a { color: #999; }
html.dark .mobile-bottom-nav a.active,
html.dark .mobile-bottom-nav a:hover { color: #c8a84e; }
.mobile-bottom-nav a span { margin-top: 2px; }

/* Touch-friendly tap targets */
@media (max-width: 767px) {
    .tap-target { min-height: 44px; min-width: 44px; display: inline-flex; align-items: center; justify-content: center; }
}

/* ---------------------------------------------------------
   9. Animations
   --------------------------------------------------------- */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes pulse-gold { 0%, 100% { box-shadow: 0 0 0 0 rgba(200,168,78,0.4); } 50% { box-shadow: 0 0 0 10px rgba(200,168,78,0); } }
.animate-fadeInUp { animation: fadeInUp 0.6s ease-out forwards; }
.animate-fadeIn { animation: fadeIn 0.5s ease-out forwards; }
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse-gold { animation: pulse-gold 2s ease-in-out infinite; }

/* ---------------------------------------------------------
   10. Scroll Reveal
   --------------------------------------------------------- */
.scroll-reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.scroll-reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------------------------------------------------------
   11. Scroll to Top Button
   --------------------------------------------------------- */
.scroll-top-btn {
    position: fixed; bottom: 80px; right: 20px; z-index: 40;
    opacity: 0; transform: translateY(20px); transition: all 0.3s; pointer-events: none;
}
.scroll-top-btn.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ---------------------------------------------------------
   12. Toast Notifications
   --------------------------------------------------------- */
.toast-container { position: fixed; top: 80px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 12px 20px; border-radius: 12px; color: white; font-size: 14px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); animation: fadeInUp 0.3s ease; }
.toast-success { background: #1a5632; }
.toast-error { background: #dc2626; }
.toast-info { background: #2563eb; }

/* ---------------------------------------------------------
   13. Line Clamp Utilities
   --------------------------------------------------------- */
.line-clamp-1 { display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------------------------------------------------------
   14. Card Effects
   --------------------------------------------------------- */
.card-hover { transition: all 0.3s ease; }
.card-hover:hover { transform: translateY(-4px); box-shadow: 0 12px 24px -8px rgba(26,86,50,0.15); }
.card-scale { transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.card-scale:hover { transform: scale(1.02); }

/* ---------------------------------------------------------
   15. Glass Effect
   --------------------------------------------------------- */
.glass { background: rgba(255,255,255,0.15); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }

/* ---------------------------------------------------------
   16. Text Gradient
   --------------------------------------------------------- */
.text-gradient { background: linear-gradient(135deg, #1a5632, #c8a84e); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ---------------------------------------------------------
   17. Focus Ring
   --------------------------------------------------------- */
.focus-ring:focus { outline: none; box-shadow: 0 0 0 3px rgba(26,86,50,0.2); border-color: #1a5632; }

/* ---------------------------------------------------------
   18. Stat Number Animation
   --------------------------------------------------------- */
.stat-number { display: inline-block; }

/* ---------------------------------------------------------
   19. Hero Pattern
   --------------------------------------------------------- */
.hero-pattern { background-image: radial-gradient(rgba(200,168,78,0.12) 1px, transparent 1px); background-size: 24px 24px; }

/* =========================================================
   PAGE-SPECIFIC STYLES
   ========================================================= */

/* ---------------------------------------------------------
   20. Book Detail Page (book_detail.html)
   --------------------------------------------------------- */
.book-hero {
    background: linear-gradient(135deg, #1a5632 0%, #0d3a1f 40%, #1a5632 100%);
    position: relative; overflow: visible;
}
.book-hero::before {
    content: ''; position: absolute; inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 30L30 60L0 30z' fill='none' stroke='%23c8a84e' stroke-opacity='0.05' stroke-width='1'/%3E%3C/svg%3E");
    overflow: hidden; pointer-events: none;
}
.book-cover-frame {
    background: linear-gradient(135deg, #c8a84e, #a08040);
    padding: 4px; border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.book-cover-inner {
    background: #1a5632; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    min-height: 220px; position: relative; overflow: hidden;
}
.gold-line { height: 2px; background: linear-gradient(to right, transparent, #c8a84e, transparent); }
.stat-card {
    background: white; border-radius: 12px; padding: 1rem;
    border: 1px solid #f0f0f0; text-align: center; transition: all 0.3s;
}
.stat-card:hover { border-color: #c8a84e; transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.toc-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.7rem 1rem; border-radius: 8px; transition: all 0.2s; }
.toc-item:hover { background: #f8f6f0; }
.toc-number {
    min-width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
    background: #1a5632; color: #c8a84e; border-radius: 50%; font-size: 11px; font-weight: bold;
}
.tag-pill {
    display: inline-block; padding: 0.3rem 0.8rem; border-radius: 20px;
    font-size: 0.75rem; transition: all 0.2s; cursor: pointer;
    background: #f8f6f0; color: #1a5632; border: 1px solid #e8e0d0;
}
.tag-pill:hover { background: #1a5632; color: white; border-color: #1a5632; }

/* Star rating */
.star-rating { display: inline-flex; gap: 2px; direction: ltr; }
.star { color: #d1d5db; font-size: 1.25rem; cursor: pointer; transition: color 0.15s; }
.star.filled { color: #c8a84e; }
.star:hover, .star.hover { color: #e0c878; }
.star-display .star { cursor: default; }

/* Review card */
.review-card { border-bottom: 1px solid #f0f0f0; padding: 1rem 0; }
.review-card:last-child { border-bottom: none; }

/* Comment threading */
.comment-thread { margin-left: 2rem; border-left: 2px solid #e8e0d0; padding-left: 1rem; }
@media (max-width: 640px) { .comment-thread { margin-left: 1rem; padding-left: 0.75rem; } }

/* Custom audio player */
.custom-audio-player {
    background: linear-gradient(135deg, #1a5632, #0d3a1f);
    border-radius: 16px; padding: 1.25rem; color: white;
}
.audio-progress-bar {
    width: 100%; height: 6px; background: rgba(255,255,255,0.2);
    border-radius: 3px; cursor: pointer; position: relative;
}
.audio-progress-fill {
    height: 100%; background: #c8a84e; border-radius: 3px;
    transition: width 0.1s linear; position: relative;
}
.audio-progress-fill::after {
    content: ''; position: absolute; right: -6px; top: -3px;
    width: 12px; height: 12px; background: #c8a84e; border-radius: 50%;
    box-shadow: 0 0 4px rgba(0,0,0,0.3);
}
.speed-btn { padding: 4px 10px; border-radius: 20px; font-size: 12px; transition: all 0.2s; }
.speed-btn.active { background: #c8a84e; color: #1a5632; font-weight: bold; }
.speed-btn:not(.active) { background: rgba(255,255,255,0.15); }
.volume-slider { width: 80px; accent-color: #c8a84e; }

/* Mini player */
.mini-player {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: #0d3a1f; color: white; z-index: 60;
    padding: 8px 16px; display: none;
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}
.mini-player.visible { display: flex; }
@media (max-width: 767px) { .mini-player { bottom: 52px; } }

/* Reading list dropdown */
.reading-list-dropdown {
    display: none; position: absolute; right: 0; top: 100%;
    background: white; border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    min-width: 220px; z-index: 20; border: 1px solid #f0f0f0;
}
.reading-list-dropdown.open { display: block; }
html.dark .reading-list-dropdown { background: #25343b; border-color: #2a2a4a; }

/* Download counter animation */
@keyframes countUp { 0% { transform: translateY(4px); opacity: 0.5; } 100% { transform: translateY(0); opacity: 1; } }
.count-updated { animation: countUp 0.3s ease-out; color: #c8a84e; }

/* ---------------------------------------------------------
   21. Book Read Page (book_read.html)
   --------------------------------------------------------- */
.reader-tab { transition: all 0.3s; }
.reader-tab.active { background: #1a5632; color: white; }
.reader-tab:not(.active) { background: #f0f0f0; color: #666; }

.text-reader {
    font-family: 'Amiri', 'Noto Naskh Arabic', 'Georgia', serif;
    line-height: 2; font-size: 1.15rem; color: #2d2d2d;
}
.text-reader p { margin-bottom: 1em; text-align: justify; }

.page-card {
    background: #fffdf5; border: 1px solid #e8e0d0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.06); border-radius: 8px;
    padding: 2.5rem 2rem; margin-bottom: 1.5rem; position: relative;
}
.page-card::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0;
    width: 3px; background: linear-gradient(to bottom, #c8a84e, #1a5632);
    border-radius: 8px 0 0 8px;
}
.page-number {
    position: absolute; top: -12px; right: 20px;
    background: #1a5632; color: #c8a84e;
    font-size: 11px; font-weight: bold;
    padding: 3px 12px; border-radius: 12px;
}

.book-cover-gradient { background: linear-gradient(135deg, #1a5632 0%, #0d3a1f 50%, #1a5632 100%); }
.gold-divider { height: 2px; background: linear-gradient(to right, transparent, #c8a84e, transparent); }

.font-sm .text-reader { font-size: 0.95rem; line-height: 1.8; }
.font-md .text-reader { font-size: 1.15rem; line-height: 2; }
.font-lg .text-reader { font-size: 1.4rem; line-height: 2.2; }
.font-xl .text-reader { font-size: 1.7rem; line-height: 2.4; }

.dark-reader .page-card { background: #1e1e1e; border-color: #333; color: #e0e0e0; }
.dark-reader .text-reader { color: #d4d4d4; }
.dark-reader .page-number { background: #c8a84e; color: #1a5632; }
.sepia-reader .page-card { background: #f4ecd8; border-color: #d4c4a0; }

/* Bookmark styles */
.bookmark-btn {
    position: absolute; top: 8px; left: 12px;
    cursor: pointer; transition: all 0.2s; opacity: 0.3; z-index: 5;
}
.bookmark-btn:hover, .bookmark-btn.bookmarked { opacity: 1; }
.bookmark-btn.bookmarked { color: #c8a84e; }

.bookmarks-panel {
    position: fixed; right: -320px; top: 0; bottom: 0;
    width: 300px; background: white; z-index: 100;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    transition: right 0.3s ease; overflow-y: auto;
}
.bookmarks-panel.open { right: 0; }
html.dark .bookmarks-panel { background: #25343b; }

/* Zoom controls */
.zoom-controls { display: flex; align-items: center; gap: 8px; }
.zoom-slider { width: 100px; accent-color: #1a5632; }

/* Keyboard shortcuts panel */
.shortcuts-panel {
    display: none; position: fixed; bottom: 80px; right: 20px;
    background: white; border-radius: 12px; padding: 16px 20px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15); z-index: 90; min-width: 220px;
}
.shortcuts-panel.open { display: block; }
html.dark .shortcuts-panel { background: #25343b; color: #ccc; }
.shortcut-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 13px; }
.shortcut-key { background: #f0f0f0; padding: 2px 8px; border-radius: 4px; font-family: monospace; font-size: 11px; }
html.dark .shortcut-key { background: #2a2a4a; }

/* Reading time */
.reading-time-badge {
    background: rgba(255,255,255,0.1);
    padding: 4px 12px; border-radius: 8px;
    font-size: 12px; display: inline-flex; align-items: center; gap: 6px;
}

@media (max-width: 767px) {
    .page-card { padding: 1.5rem 1rem; }
    .reader-controls-bar { flex-wrap: wrap; gap: 8px !important; }
    .zoom-slider { width: 60px; }
}

@media print {
    .no-print { display: none !important; }
    .page-card { box-shadow: none; border: 1px solid #ccc; page-break-inside: avoid; }
}

/* ---------------------------------------------------------
   22. Book List Page (book_list.html)
   --------------------------------------------------------- */
.view-transition { transition: opacity 0.3s ease, transform 0.3s ease; }
.view-enter { opacity: 0; transform: translateY(10px); }
.sort-btn.active { background: #1a5632; color: white; }
.lang-filter.active { background: #c8a84e; color: #1a5632; border-color: #c8a84e; }
.filter-sidebar { transition: max-height 0.35s ease, opacity 0.25s ease; }
@media (max-width: 767px) {
    .filter-sidebar.collapsed { max-height: 0; overflow: hidden; opacity: 0; }
    .filter-sidebar.expanded { max-height: 1000px; opacity: 1; }
}

/* ---------------------------------------------------------
   23. Register Page (register.html)
   --------------------------------------------------------- */
.pw-strength { height: 4px; border-radius: 2px; transition: all 0.3s; }
.pw-strength-bar { height: 100%; border-radius: 2px; transition: width 0.3s, background 0.3s; }

/* ---------------------------------------------------------
   24. Loading Skeletons
   --------------------------------------------------------- */
@keyframes skeleton-shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 37%, #f0f0f0 63%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: 8px;
}
.skeleton-text { height: 1em; margin-bottom: 0.5em; border-radius: 4px; }
.skeleton-title { height: 1.5em; width: 60%; margin-bottom: 0.75em; border-radius: 4px; }
.skeleton-image { height: 200px; border-radius: 12px; }
.skeleton-card {
    background: white; border-radius: 12px; border: 1px solid #f0f0f0;
    overflow: hidden; padding: 1rem;
}
html.dark .skeleton {
    background: linear-gradient(90deg, #2a2a4a 25%, #3a3a5a 37%, #2a2a4a 63%);
    background-size: 200% 100%;
}

/* ---------------------------------------------------------
   Language Switcher Dropdown
   --------------------------------------------------------- */
#langDropdown {
    animation: langDropIn 0.2s ease-out;
    transform-origin: top right;
}
@keyframes langDropIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-4px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}
#langDropdown .lang-form + .lang-form {
    border-top: 1px solid #f3f4f6;
}
#langDropdown button:active {
    transform: scale(0.98);
}
/* Dark mode support */
html.dark #langDropdown {
    background: #1e293b;
    border-color: #334155;
}
html.dark #langDropdown .lang-form + .lang-form {
    border-top-color: #334155;
}
html.dark #langDropdown button {
    color: #e2e8f0;
}
html.dark #langDropdown button:hover {
    background: rgba(200,168,78,0.1);
}
html.dark #langDropdown .px-3.py-2.bg-gray-50 {
    background: #25343b;
    border-bottom-color: #334155;
}