/* =========================================================
   LearnSphere — Custom Theme on top of Bootstrap 5
   ========================================================= */

:root {
    --brand-50:  #eef2ff;
    --brand-100: #e0e7ff;
    --brand-200: #c7d2fe;
    --brand-300: #a5b4fc;
    --brand-400: #818cf8;
    --brand-500: #6366f1;
    --brand-600: #4f46e5;
    --brand-700: #4338ca;
    --brand-800: #3730a3;

    --accent:    #f59e0b;
    --success:   #10b981;
    --danger:    #ef4444;

    --ink-900: #0f172a;
    --ink-700: #334155;
    --ink-500: #64748b;
    --ink-300: #cbd5e1;
    --ink-100: #f1f5f9;
    --ink-50:  #f8fafc;

    --surface:       #ffffff;
    --surface-soft:  #f8fafc;
    --surface-muted: #f1f5f9;
    --border:        #e5e7eb;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06);
    --shadow:    0 4px 16px rgba(15, 23, 42, .08);
    --shadow-lg: 0 18px 40px -12px rgba(79, 70, 229, .25);

    --radius-sm: 10px;
    --radius:    16px;
    --radius-lg: 22px;

    --tx: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Dark mode overrides ---------- */
[data-bs-theme="dark"] {
    --surface:       #0f172a;
    --surface-soft:  #111827;
    --surface-muted: #1f2937;
    --border:        #1f2937;
    --ink-900: #f8fafc;
    --ink-700: #cbd5e1;
    --ink-500: #94a3b8;
    --ink-300: #475569;
    --ink-100: #1f2937;
    --ink-50:  #0b1220;
    --shadow-lg: 0 18px 40px -12px rgba(99, 102, 241, .35);
    color-scheme: dark;
}

/* ---------- Base ---------- */
* { -webkit-font-smoothing: antialiased; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--surface-soft);
    color: var(--ink-900);
    font-size: 15.5px;
    line-height: 1.6;
}
h1, h2, h3, h4, h5, .display-1, .display-2, .display-3, .display-4, .display-5, .display-6 {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--ink-900);
}
a { color: var(--brand-600); text-decoration: none; transition: color .2s var(--tx); }
a:hover { color: var(--brand-700); }
hr { border-color: var(--border); }

/* ---------- Bootstrap remappings ---------- */
.bg-soft         { background: var(--surface-soft) !important; }
.bg-surface      { background: var(--surface) !important; }
.text-muted      { color: var(--ink-500) !important; }
.text-ink        { color: var(--ink-900) !important; }
.border          { border-color: var(--border) !important; }

.btn { font-weight: 600; transition: transform .15s var(--tx), box-shadow .2s var(--tx), background .2s var(--tx); }
.btn:active { transform: translateY(1px); }
.btn-pill { border-radius: 999px; padding: .55rem 1.25rem; }

.btn-primary {
    background: var(--brand-600);
    border-color: var(--brand-600);
    box-shadow: 0 6px 16px -6px rgba(79, 70, 229, .55);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--brand-700);
    border-color: var(--brand-700);
    transform: translateY(-1px);
    box-shadow: 0 12px 28px -10px rgba(79, 70, 229, .6);
}
.btn-outline-primary {
    color: var(--brand-600);
    border-color: var(--brand-200);
}
.btn-outline-primary:hover {
    background: var(--brand-600);
    border-color: var(--brand-600);
    color: #fff;
}
.btn-ghost {
    background: transparent;
    border: 1px solid transparent;
    color: var(--ink-700);
}
.btn-ghost:hover { background: var(--ink-100); color: var(--ink-900); }

.form-control, .form-select {
    border-radius: var(--radius-sm);
    border-color: var(--border);
    background: var(--surface);
    color: var(--ink-900);
    transition: border-color .2s var(--tx), box-shadow .2s var(--tx);
}
.form-control:focus, .form-select:focus {
    border-color: var(--brand-400);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, .15);
}

/* ---------- Navbar ---------- */
.app-navbar {
    background: rgba(255, 255, 255, .85);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--border);
    padding: .65rem 0;
}
[data-bs-theme="dark"] .app-navbar {
    background: rgba(15, 23, 42, .85);
}
.navbar-brand { font-family: 'Plus Jakarta Sans'; font-weight: 800; font-size: 1.25rem; }
.brand-mark {
    width: 34px; height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 800;
    box-shadow: 0 6px 14px -6px rgba(79, 70, 229, .55);
}
.brand-text { color: var(--ink-900); }

.nav-search .input-group-text {
    border-radius: 999px 0 0 999px;
    border-color: var(--border);
    background: var(--surface);
    color: var(--ink-500);
}
.nav-search .form-control {
    border-radius: 0 999px 999px 0;
    background: var(--surface);
}
.app-navbar .nav-link {
    color: var(--ink-700);
    font-weight: 500;
    padding: .5rem .85rem;
    border-radius: 10px;
}
.app-navbar .nav-link:hover { color: var(--ink-900); background: var(--ink-100); }

.theme-toggle { padding: .45rem .65rem; border-radius: 10px; }

.avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-400), var(--brand-700));
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: .85rem;
}

.dropdown-menu {
    border-radius: var(--radius);
    border-color: var(--border);
    padding: .5rem;
    background: var(--surface);
}
.dropdown-item { border-radius: 8px; padding: .5rem .75rem; color: var(--ink-700); }
.dropdown-item:hover { background: var(--ink-100); color: var(--ink-900); }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    overflow: hidden;
    padding: 5.5rem 0 4rem;
    background:
        radial-gradient(1000px 500px at 80% -20%, rgba(99, 102, 241, .18), transparent 60%),
        radial-gradient(800px 400px at -10% 20%, rgba(245, 158, 11, .14), transparent 60%),
        var(--surface-soft);
}
.hero h1 {
    font-size: clamp(2.2rem, 4vw + 1rem, 3.75rem);
    line-height: 1.05;
}
.hero .lead { color: var(--ink-500); font-size: 1.1rem; max-width: 560px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .35rem .85rem;
    border-radius: 999px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--ink-700);
    font-size: .82rem; font-weight: 600;
    box-shadow: var(--shadow-sm);
}
.hero-badge .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, .2);
}
.hero-stats { display: flex; gap: 2rem; margin-top: 2rem; flex-wrap: wrap; }
.hero-stats .num { font-family: 'Plus Jakarta Sans'; font-weight: 800; font-size: 1.5rem; color: var(--ink-900); }
.hero-stats .lab { color: var(--ink-500); font-size: .85rem; }

.hero-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-lg);
    transform: rotate(-1.5deg);
    transition: transform .4s var(--tx);
}
.hero-card:hover { transform: rotate(0); }
.hero-card .ratio { border-radius: var(--radius); overflow: hidden; }
.hero-floater {
    position: absolute;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .75rem 1rem;
    box-shadow: var(--shadow);
    display: flex; gap: .65rem; align-items: center;
    font-weight: 600; font-size: .9rem;
    animation: floaty 4s ease-in-out infinite;
}
.hero-floater i { color: var(--brand-600); font-size: 1.2rem; }
.hero-floater.f1 { top: 14%; right: -2%; }
.hero-floater.f2 { bottom: 8%;  left: -3%; animation-delay: -2s; }
@keyframes floaty {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-10px); }
}

/* ---------- Section helpers ---------- */
.section { padding: 4.5rem 0; }
.section-eyebrow {
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .75rem;
    font-weight: 700;
    color: var(--brand-600);
    margin-bottom: .5rem;
}
.section-title { font-size: clamp(1.6rem, 2vw + 1rem, 2.4rem); margin-bottom: .35rem; }
.section-sub { color: var(--ink-500); max-width: 620px; }

/* ---------- Course Card ---------- */
.course-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .3s var(--tx), box-shadow .3s var(--tx), border-color .2s var(--tx);
    height: 100%;
    display: flex; flex-direction: column;
    box-shadow: var(--shadow-sm);
}
.course-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-200);
}
.course-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--ink-100);
}
.course-thumb img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform .5s var(--tx);
}
.course-card:hover .course-thumb img { transform: scale(1.06); }
.course-thumb .category-pill {
    position: absolute; top: 12px; left: 12px;
    background: var(--surface);
    color: var(--ink-700);
    padding: .25rem .65rem;
    font-size: .72rem; font-weight: 700;
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
}
.bookmark-btn {
    position: absolute; top: 12px; right: 12px;
    width: 36px; height: 36px;
    background: rgba(255, 255, 255, .95);
    border: 0; border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    color: var(--ink-700);
    cursor: pointer;
    transition: all .2s var(--tx);
    box-shadow: var(--shadow-sm);
}
.bookmark-btn:hover { color: var(--brand-600); transform: scale(1.1); }
.bookmark-btn.active { color: var(--brand-600); background: var(--brand-50); }

.course-body { padding: 1rem 1.1rem 1.1rem; display: flex; flex-direction: column; gap: .55rem; flex-grow: 1; }
.course-title {
    font-family: 'Plus Jakarta Sans';
    font-weight: 700;
    font-size: 1.02rem;
    line-height: 1.35;
    color: var(--ink-900);
    display: -webkit-box;
    -webkit-line-clamp: 2; line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}
.course-instructor { font-size: .82rem; color: var(--ink-500); }
.course-meta { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: .35rem; }
.stars { color: var(--accent); font-size: .85rem; letter-spacing: 1px; }
.rating-num { color: var(--ink-700); font-weight: 700; font-size: .85rem; margin-right: .35rem; }

.progress-thin {
    height: 6px;
    border-radius: 999px;
    background: var(--ink-100);
    overflow: hidden;
}
.progress-thin .bar {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-500), var(--brand-700));
    border-radius: inherit;
    transition: width .6s var(--tx);
}
.progress-meta { font-size: .78rem; color: var(--ink-500); display: flex; justify-content: space-between; margin-bottom: .35rem; }

/* ---------- Categories ---------- */
.cat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: left;
    transition: all .25s var(--tx);
    display: block;
    color: inherit;
    height: 100%;
}
.cat-card:hover { border-color: var(--brand-300); transform: translateY(-3px); box-shadow: var(--shadow); color: inherit; }
.cat-icon {
    width: 44px; height: 44px;
    border-radius: 12px;
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 1.25rem;
    margin-bottom: .85rem;
}
.cat-icon.c1 { background: linear-gradient(135deg,#6366f1,#4338ca); }
.cat-icon.c2 { background: linear-gradient(135deg,#10b981,#047857); }
.cat-icon.c3 { background: linear-gradient(135deg,#f59e0b,#d97706); }
.cat-icon.c4 { background: linear-gradient(135deg,#ec4899,#be185d); }
.cat-icon.c5 { background: linear-gradient(135deg,#06b6d4,#0e7490); }
.cat-icon.c6 { background: linear-gradient(135deg,#8b5cf6,#6d28d9); }
.cat-card h6 { font-weight: 700; margin: 0; }
.cat-card .small-muted { color: var(--ink-500); font-size: .82rem; }

/* ---------- Auth pages ---------- */
.auth-shell {
    min-height: calc(100vh - 80px);
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.auth-shell .auth-side {
    background:
        radial-gradient(600px 300px at 80% 0%, rgba(255,255,255,.18), transparent 70%),
        linear-gradient(135deg, var(--brand-700), var(--brand-500));
    color: #fff;
    padding: 3rem;
    display: flex; flex-direction: column; justify-content: space-between;
    position: relative;
    overflow: hidden;
}
.auth-side h2 { color: #fff; }
.auth-side .testimonial {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.18);
    backdrop-filter: blur(10px);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.auth-card {
    width: 100%;
    max-width: 440px;
}
.auth-shell .auth-form {
    padding: 3rem 2rem;
    display: flex; align-items: center; justify-content: center;
    background: var(--surface);
}
@media (max-width: 991px) {
    .auth-shell { grid-template-columns: 1fr; }
    .auth-shell .auth-side { display: none; }
}

/* ---------- Dashboard layout ---------- */
.dash-shell { display: grid; grid-template-columns: 260px 1fr; gap: 1.5rem; padding: 2rem 0; }
.dash-side {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    height: max-content;
    position: sticky; top: 88px;
}
.dash-side a {
    display: flex; align-items: center; gap: .65rem;
    padding: .6rem .75rem;
    border-radius: 10px;
    color: var(--ink-700);
    font-weight: 500;
    transition: all .2s var(--tx);
}
.dash-side a:hover { background: var(--ink-100); color: var(--ink-900); }
.dash-side a.active {
    background: var(--brand-50);
    color: var(--brand-700);
}
[data-bs-theme="dark"] .dash-side a.active { background: rgba(99,102,241,.15); color: var(--brand-300); }
.dash-side a i { width: 18px; }
.dash-side .group-label { padding: .75rem .75rem .35rem; font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-500); font-weight: 700; }

.dash-main { min-width: 0; }
@media (max-width: 991px) {
    .dash-shell { grid-template-columns: 1fr; }
    .dash-side { position: static; }
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.stat-card .stat-num { font-size: 1.85rem; font-weight: 800; font-family: 'Plus Jakarta Sans'; }
.stat-card .stat-label { color: var(--ink-500); font-size: .82rem; }

/* ---------- Learn page (player + sidebar) ---------- */
.learn-shell {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: 0;
    min-height: calc(100vh - 64px);
    background: var(--surface-soft);
}
.learn-main { padding: 1.5rem; }
.learn-side {
    background: var(--surface);
    border-left: 1px solid var(--border);
    height: calc(100vh - 64px);
    overflow-y: auto;
    position: sticky; top: 64px;
}
.player-frame {
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16 / 9;
    box-shadow: var(--shadow-lg);
}
.player-frame video { width: 100%; height: 100%; display: block; }

.lesson-list { padding: 0; }
.lesson-list .group-head { padding: 1.1rem 1.25rem .25rem; font-weight: 800; font-size: .95rem; }
.lesson-row {
    display: flex; align-items: flex-start; gap: .85rem;
    padding: .8rem 1.25rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background .15s var(--tx);
    color: var(--ink-700);
    text-decoration: none;
}
.lesson-row:hover { background: var(--ink-100); color: var(--ink-900); }
.lesson-row.active { background: var(--brand-50); color: var(--brand-700); border-left: 3px solid var(--brand-600); padding-left: calc(1.25rem - 3px); }
[data-bs-theme="dark"] .lesson-row.active { background: rgba(99,102,241,.12); color: var(--brand-300); }
.lesson-row .check {
    width: 22px; height: 22px;
    border-radius: 50%;
    border: 2px solid var(--ink-300);
    display: inline-flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    color: #fff;
    transition: all .25s var(--tx);
}
.lesson-row.done .check {
    background: var(--success);
    border-color: var(--success);
}
.lesson-row.done .check i { display: block; font-size: 12px; }
.lesson-row .check i { display: none; }
.lesson-row .meta { flex-grow: 1; min-width: 0; }
.lesson-row .lesson-title { font-weight: 600; font-size: .92rem; line-height: 1.35; margin: 0; }
.lesson-row .lesson-time  { font-size: .75rem; color: var(--ink-500); margin-top: .15rem; display: flex; gap: .35rem; align-items: center; }

@media (max-width: 991px) {
    .learn-shell { grid-template-columns: 1fr; }
    .learn-side { position: static; height: auto; border-left: 0; border-top: 1px solid var(--border); }
}

/* ---------- Tag pills (filters) ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: .5rem; }
.filter-pill {
    padding: .45rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--ink-700);
    font-size: .85rem; font-weight: 600;
    cursor: pointer;
    transition: all .2s var(--tx);
    text-decoration: none;
}
.filter-pill:hover { border-color: var(--brand-300); color: var(--brand-700); }
.filter-pill.active {
    background: var(--ink-900);
    border-color: var(--ink-900);
    color: #fff;
}
[data-bs-theme="dark"] .filter-pill.active { background: var(--brand-600); border-color: var(--brand-600); }

/* ---------- Footer ---------- */
.app-footer { background: var(--surface); border-top: 1px solid var(--border); }
.footer-heading { font-weight: 800; margin-bottom: 1rem; }
.app-footer ul li { margin-bottom: .4rem; }
.app-footer ul li a { color: var(--ink-500); }
.app-footer ul li a:hover { color: var(--brand-600); }
.social-btn {
    width: 36px; height: 36px; border-radius: 10px;
    background: var(--surface-muted);
    color: var(--ink-700);
    display: inline-flex; align-items: center; justify-content: center;
    transition: all .2s var(--tx);
}
.social-btn:hover { background: var(--brand-600); color: #fff; }

/* ---------- Toasts ---------- */
.toast-stack-item {
    background: var(--surface);
    color: var(--ink-900);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: .85rem 1rem;
    display: flex; align-items: center; gap: .65rem;
    min-width: 280px;
    margin-bottom: .65rem;
    animation: toast-in .3s var(--tx);
}
.toast-stack-item .ic {
    width: 30px; height: 30px;
    border-radius: 8px;
    display: inline-flex; align-items: center; justify-content: center;
    color: #fff;
    flex-shrink: 0;
}
.toast-stack-item.success .ic { background: var(--success); }
.toast-stack-item.error   .ic { background: var(--danger); }
.toast-stack-item.warning .ic { background: var(--accent); }
.toast-stack-item.info    .ic { background: var(--brand-600); }
@keyframes toast-in {
    from { opacity: 0; transform: translateY(-8px) scale(.98); }
    to   { opacity: 1; transform: none; }
}

/* ---------- Skeleton loader ---------- */
.skeleton {
    background: linear-gradient(90deg, var(--ink-100) 0%, var(--ink-50) 50%, var(--ink-100) 100%);
    background-size: 200% 100%;
    animation: skel 1.4s infinite;
    border-radius: 8px;
}
@keyframes skel {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ---------- Misc ---------- */
.lead-eyebrow { color: var(--brand-600); font-weight: 700; text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; }
.kbd {
    background: var(--ink-100); border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 6px;
    padding: .1rem .45rem; font-size: .78rem; font-family: ui-monospace, monospace;
    color: var(--ink-700);
}

.empty-state {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    text-align: center;
    background: var(--surface);
}
.empty-state i { font-size: 2.5rem; color: var(--ink-300); }

.table thead th { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-500); font-weight: 700; }
.table > :not(caption) > * > * { padding: .9rem .85rem; vertical-align: middle; }

/* Animations */
.fade-up { opacity: 0; transform: translateY(12px); transition: opacity .5s var(--tx), transform .5s var(--tx); }
.fade-up.in { opacity: 1; transform: none; }

/* Utility: required for text-truncate inside a flex child */
.min-width-0 { min-width: 0; }

/* =========================================================
   Arabic / RTL adjustments
   ========================================================= */
body.lang-ar {
    font-family: 'Cairo', 'Tajawal', 'Inter', system-ui, sans-serif;
    letter-spacing: 0;
}
body.lang-ar h1,
body.lang-ar h2,
body.lang-ar h3,
body.lang-ar h4,
body.lang-ar h5,
body.lang-ar .display-1,
body.lang-ar .display-2,
body.lang-ar .display-3,
body.lang-ar .display-4,
body.lang-ar .display-5,
body.lang-ar .display-6,
body.lang-ar .navbar-brand {
    font-family: 'Cairo', 'Tajawal', 'Plus Jakarta Sans', sans-serif;
    letter-spacing: 0;
}

/* Search input shape — keep rounded ends in both directions */
[dir="rtl"] .nav-search .input-group-text {
    border-radius: 0 999px 999px 0;
    border-left: 0;
    border-right: 1px solid var(--border);
}
[dir="rtl"] .nav-search .form-control {
    border-radius: 999px 0 0 999px;
}

/* Search suggest dropdown anchors to the input */
.search-suggest {
    position: absolute;
    top: calc(100% + 6px);
    left: 0; right: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    z-index: 1080;
    max-height: 360px;
    overflow-y: auto;
}
.search-suggest a.suggest-item {
    display: flex; gap: .65rem; align-items: center;
    padding: .65rem .85rem;
    color: var(--ink-700);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    transition: background .15s var(--tx);
}
.search-suggest a.suggest-item:last-child { border-bottom: 0; }
.search-suggest a.suggest-item:hover,
.search-suggest a.suggest-item.is-active { background: var(--ink-100); color: var(--ink-900); }
.search-suggest .suggest-thumb {
    width: 42px; height: 30px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--ink-100);
}
.search-suggest .suggest-meta { font-size: .76rem; color: var(--ink-500); }
.search-suggest .suggest-empty { padding: 1rem; text-align: center; color: var(--ink-500); font-size: .9rem; }

/* RTL: hero gradient orientation */
[dir="rtl"] .hero {
    background:
        radial-gradient(1000px 500px at 20% -20%, rgba(99, 102, 241, .18), transparent 60%),
        radial-gradient(800px 400px at 110% 20%, rgba(245, 158, 11, .14), transparent 60%),
        var(--surface-soft);
}

/* RTL: hero card mirrored tilt */
[dir="rtl"] .hero-card { transform: rotate(1.5deg); }
[dir="rtl"] .hero-card:hover { transform: rotate(0); }
[dir="rtl"] .hero-floater.f1 { right: auto; left: -2%; }
[dir="rtl"] .hero-floater.f2 { left: auto;  right: -3%; }

/* RTL: lesson active bar should be on the right */
[dir="rtl"] .lesson-row.active {
    border-left: 0;
    border-right: 3px solid var(--brand-600);
    padding-left: 1.25rem;
    padding-right: calc(1.25rem - 3px);
}

/* RTL: learn page sidebar lives on the left */
[dir="rtl"] .learn-side {
    border-left: 0;
    border-right: 1px solid var(--border);
}

/* RTL: dashboard sidebar — sticky position is unaffected by direction */

/* Auth shell — flip the colored side in RTL so the imagery stays on the outer edge */
[dir="rtl"] .auth-shell { grid-template-columns: 1fr 1fr; }

/* Bootstrap icon nudges that look better in RTL */
[dir="rtl"] .bi-arrow-right::before        { content: "\f12f"; } /* arrow-left */
[dir="rtl"] .bi-arrow-left::before         { content: "\f138"; } /* arrow-right */
[dir="rtl"] .bi-arrow-right-short::before  { content: "\f130"; }
[dir="rtl"] .bi-arrow-left-short::before   { content: "\f139"; }

/* Numbers stay LTR even inside Arabic text (e.g. 4.8 / 5) */
.rating-num, .stat-num, .num, .kbd, .progress-meta { unicode-bidi: plaintext; }

/* Mark prev/next nav for the learn page */
.lesson-nav {
    display: flex; gap: .75rem; align-items: stretch; justify-content: space-between;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}
.lesson-nav .nav-card {
    flex: 1 1 0;
    min-width: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: .85rem 1rem;
    text-decoration: none;
    color: var(--ink-700);
    display: flex; align-items: center; gap: .75rem;
    transition: all .2s var(--tx);
}
.lesson-nav .nav-card:hover { border-color: var(--brand-300); transform: translateY(-2px); box-shadow: var(--shadow); color: var(--ink-900); }
.lesson-nav .nav-card.disabled { opacity: .45; pointer-events: none; }
.lesson-nav .nav-card .lab { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-500); }
.lesson-nav .nav-card .ttl { font-weight: 600; font-size: .9rem; line-height: 1.3;
    display: -webkit-box; -webkit-line-clamp: 1; line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.lesson-nav .nav-card.next { text-align: end; flex-direction: row-reverse; }

/* Auto-advance pill */
.auto-advance {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .35rem .75rem;
    border-radius: 999px;
    background: var(--ink-100);
    border: 1px solid var(--border);
    font-size: .8rem;
    color: var(--ink-700);
    cursor: pointer;
    user-select: none;
}
.auto-advance input { accent-color: var(--brand-600); }