/*
 ============================================================
 LegalLearning Platform
 Authored & Architected by: Hany Awad Farag Gerges
 All rights reserved © 2026
 ============================================================
*/

/* ── Design tokens: scholarly legal identity (ink / parchment / brass) ── */
:root {
    --ink: #16223A;
    --ink-soft: #28344f;
    --parchment: #F6F1E7;
    --parchment-deep: #ece4d3;
    --brass: #B08542;
    --brass-deep: #8d6a31;
    --paper: #FFFFFF;
    --text: #1d2433;
    --muted: #5f6b80;
    --line: #ddd5c4;
    --danger: #9a2f2f;
    --success: #2f6b46;
    --radius: 4px;
    --shadow: 0 1px 2px rgba(22, 34, 58, .06), 0 6px 20px rgba(22, 34, 58, .06);
    --font-body: "Cairo", "Segoe UI", Tahoma, sans-serif;
    --font-display: "Amiri", "Cairo", serif;
}

:root {
    /* === طبقة توكنز التصميم الجديد (تُضاف فوق التوكنز الحالية، بلا أي علاقة باسم العلامة) === */
    --navy-950: #071322;
    --navy-900: #0B1B2E;
    --navy-800: #14263D;
    --navy-700: #1F3555;

    --gold-500: #C3A06B;
    --gold-600: var(--brass-deep);
    --gold-100: #F4EBD9;

    --bg-app: #F6F7FA;
    --surface: #FFFFFF;
    --line-soft: #E7E9F0;
    --text-muted-2: #6B7488;

    --live-red: #C0392B;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 2px 6px rgba(11,27,46,.06), 0 10px 24px rgba(11,27,46,.07);
    --shadow-lift: 0 12px 32px rgba(11,27,46,.14);

    --cat-1: var(--navy-900);
    --cat-2: #2F6B46;
    --cat-3: #3B5BA0;
    --cat-4: var(--gold-500);
    --cat-5: var(--live-red);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text);
    background: var(--parchment);
    line-height: 1.7;
}

a {
    color: var(--brass-deep);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

/* ── Header ── */
.app-header {
    background: var(--navy-950);
    color: var(--parchment);
    position: sticky;
    inset-block-start: 0;
    z-index: 1030;
}

    .app-header .navbar {
        min-height: 80px;
        padding-block: 0;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: .75rem 1.5rem;
    }

    .app-header .navbar-brand,
    .app-header .nav-link {
        color: var(--parchment) !important;
    }

    .app-header .navbar-brand {
        display: inline-flex;
        align-items: center;
        gap: .6rem;
        margin-inline-end: 0;
        font-family: var(--font-display);
        font-weight: 700;
        font-size: 1.3rem;
        letter-spacing: .3px;
        white-space: nowrap;
    }

        .app-header .navbar-brand .brand-mark {
            width: 2rem;
            height: 2rem;
            flex-shrink: 0;
            color: var(--gold-500);
        }

            .app-header .navbar-brand .brand-mark svg {
                width: 100%;
                height: 100%;
            }

    .app-header .navbar-nav {
        display: flex;
        align-items: center;
        gap: .35rem;
    }

    .app-header .nav-link {
        display: inline-flex;
        align-items: center;
        border-radius: 999px;
        padding: .5rem 1rem !important;
        font-weight: 600;
        font-size: .95rem;
        position: relative;
        white-space: nowrap;
        transition: background .15s ease, color .15s ease;
    }

    .app-header .nav-link:hover,
    .app-header .nav-link:focus-visible {
        color: var(--gold-500) !important;
        background: rgba(195,160,107,.1);
    }

    .app-header .nav-link.active {
        color: var(--gold-500) !important;
    }

        .app-header .nav-link.active::after {
            content: "";
            position: absolute;
            inset-inline: 1rem;
            inset-block-end: .1rem;
            height: 2px;
            background: var(--gold-500);
            border-radius: 2px;
        }

    .app-header .navbar-toggler {
        border-color: rgba(246,241,231,.35);
        padding: .35rem .6rem;
        flex-shrink: 0;
    }

        .app-header .navbar-toggler:hover {
            border-color: var(--gold-500);
        }

        .app-header .navbar-toggler:focus {
            box-shadow: 0 0 0 .2rem rgba(195,160,107,.45);
        }

        .app-header .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23F6F1E7' stroke-width='2.4' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        }

    .app-header .header-search-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 2.3rem;
        height: 2.3rem;
        padding: 0 !important;
        flex-shrink: 0;
    }

        .app-header .header-search-btn svg {
            width: 1.1rem;
            height: 1.1rem;
        }

    .app-header #notifBell {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 2.3rem;
        height: 2.3rem;
        padding: 0 !important;
        flex-shrink: 0;
    }

        .app-header #notifBell svg {
            width: 1.25rem;
            height: 1.25rem;
            fill: currentColor;
        }

    .app-header #notifBadge {
        top: -.15rem !important;
        left: -.15rem !important;
        background: var(--live-red) !important;
        color: #fff !important;
        border: 2px solid var(--navy-900);
    }

    .app-header .btn-brass.btn-sm {
        flex-shrink: 0;
        white-space: nowrap;
    }

@media (max-width: 767.98px) {
    .app-header .navbar {
        min-height: 64px;
    }

    .app-header .navbar-collapse {
        padding-block: .75rem 1rem;
    }

    .app-header .navbar-nav {
        align-items: stretch;
        gap: .15rem;
    }

    .app-header .nav-link {
        border-radius: var(--radius-sm);
    }

        .app-header .nav-link.active::after {
            display: none;
        }
}

/* ── Hero ── */
.hero {
    background: linear-gradient(180deg, var(--ink) 0%, var(--ink-soft) 100%);
    color: var(--parchment);
    padding: 4.5rem 0 4rem;
    position: relative;
}

    .hero h1 {
        font-family: var(--font-display);
        font-size: clamp(2rem, 4vw, 3.2rem);
        font-weight: 700;
        margin: 0 0 1rem;
    }

    .hero p {
        color: #cdd4e2;
        font-size: 1.15rem;
        max-width: 46rem;
    }

    .hero .seal {
        position: absolute;
        inset-inline-end: 6%;
        inset-block-start: 50%;
        transform: translateY(-50%);
        width: 120px;
        height: 120px;
        opacity: .9;
    }

/* ── Buttons ── */
.btn-brass {
    background: var(--gold-500);
    border: 1px solid var(--gold-600);
    color: #fff;
    font-weight: 600;
    border-radius: var(--radius);
    padding: .55rem 1.4rem;
    transition: background .15s ease, transform .15s ease;
}

    .btn-brass:hover {
        background: var(--gold-600);
        color: #fff;
    }

.btn-brass.btn-block-cta {
    display: block;
    width: 100%;
    text-align: center;
    border-radius: var(--radius-sm);
    padding: .7rem 1rem;
}

.btn-danger-outline {
    background: transparent;
    border: 1px solid rgba(154,47,47,.4);
    color: var(--danger);
    border-radius: var(--radius);
    padding: .5rem 1.2rem;
    font-weight: 600;
}

    .btn-danger-outline:hover {
        background: rgba(154,47,47,.08);
        color: var(--danger);
    }

.bg-brass {
    background-color: var(--gold-500) !important;
    color: #fff;
}

.btn-ink {
    background: var(--navy-900);
    border: 1px solid var(--navy-900);
    color: var(--parchment);
    border-radius: var(--radius);
    padding: .55rem 1.4rem;
    font-weight: 600;
}

    .btn-ink:hover {
        background: var(--navy-800);
        color: #fff;
    }

.btn-outline-ink {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--text);
    border-radius: var(--radius);
    padding: .5rem 1.2rem;
}

    .btn-outline-ink:hover {
        border-color: var(--gold-500);
        color: var(--navy-900);
    }

/* ── Live / Category badges (design-system) ── */
.badge-live {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    background: var(--live-red);
    color: #fff;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 700;
    padding: .2rem .6rem;
}

    .badge-live .dot {
        width: .45rem;
        height: .45rem;
        border-radius: 50%;
        background: #fff;
        animation: live-pulse 1.4s ease-in-out infinite;
    }

.badge-category {
    display: inline-block;
    background: rgba(11,27,46,.72);
    backdrop-filter: blur(2px);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: .74rem;
    font-weight: 600;
    padding: .25rem .65rem;
}

    .badge-category.badge-new {
        background: var(--success);
    }

/* ── Quote card ── */
.quote-card {
    background: var(--navy-900);
    color: var(--parchment);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1.75rem;
    position: relative;
    border-inline-start: 3px solid var(--gold-500);
}

    .quote-card p {
        font-family: var(--font-display);
        font-size: 1.1rem;
        line-height: 1.9;
        margin: 0;
    }

/* ── Cards ── */
.card-course {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    height: 100%;
    transition: transform .15s ease, box-shadow .15s ease;
}

    .card-course:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 30px rgba(22,34,58,.12);
    }

    .card-course .body {
        padding: 1.25rem 1.25rem 1.4rem;
    }

    .card-course h3 {
        font-family: var(--font-display);
        font-size: 1.2rem;
        margin: 0 0 .5rem;
        color: var(--ink);
    }

    .card-course .meta {
        color: var(--muted);
        font-size: .9rem;
    }

    .card-course .cover {
        height: 8px;
        background: linear-gradient(90deg, var(--brass), var(--brass-deep));
    }

/* ── Section heading with brass rule ── */
.section-title {
    font-family: var(--font-display);
    color: var(--ink);
    font-size: 1.6rem;
    margin: 0 0 1.5rem;
    padding-block-end: .6rem;
    border-block-end: 2px solid var(--brass);
    display: inline-block;
}

/* ── صفحة توثيق النظام: تخطيط Sidebar + لوحة تفاصيل ── */
.docs-shell {
    display: grid;
    grid-template-columns: 15rem 1fr;
    gap: 1.25rem;
    align-items: start;
}

@media (max-width: 860px) {
    .docs-shell {
        grid-template-columns: 1fr;
    }
}

.docs-nav {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: .9rem;
    position: sticky;
    top: 1rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}

@media (max-width: 860px) {
    .docs-nav {
        position: static;
        max-height: none;
        display: flex;
        flex-wrap: wrap;
        gap: .4rem;
    }

    .docs-nav-group {
        display: contents;
    }

    .docs-nav-label {
        width: 100%;
    }
}

.docs-nav-group + .docs-nav-group {
    margin-block-start: 1rem;
    padding-block-start: 1rem;
    border-block-start: 1px solid var(--line);
}

.docs-nav-label {
    font-family: var(--font-display);
    font-size: .78rem;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    padding: .2rem .6rem .5rem;
}

.docs-nav-item {
    display: flex;
    align-items: center;
    gap: .55rem;
    width: 100%;
    background: transparent;
    border: none;
    border-inline-start: 3px solid transparent;
    border-radius: 6px;
    padding: .55rem .7rem;
    font-family: var(--font-body);
    font-size: .88rem;
    color: var(--text);
    text-align: start;
    cursor: pointer;
    transition: background .15s ease, border-color .15s ease, color .15s ease;
}

    .docs-nav-item:hover {
        background: var(--parchment);
    }

    .docs-nav-item.active {
        background: var(--parchment);
        border-inline-start-color: var(--brass);
        color: var(--brass-deep);
        font-weight: 700;
    }

.docs-nav-num {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: .76rem;
    color: var(--muted);
    flex: none;
    min-width: 1.4rem;
}

.docs-nav-item.active .docs-nav-num {
    color: var(--brass);
}

.docs-panel {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 2rem 2.2rem;
    min-height: 26rem;
    max-height: calc(100vh - 2rem);
    overflow-y: auto;
}

@media (max-width: 640px) {
    .docs-panel {
        padding: 1.4rem;
    }
}

.docs-view {
    display: none;
    opacity: 0;
    transform: translateY(10px);
}

.docs-view.is-entering {
    display: block;
    transition: opacity .3s ease, transform .3s ease;
}

.docs-view.is-active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    transition: opacity .3s ease, transform .3s ease;
}

.docs-view-title {
    font-family: var(--font-display);
    color: var(--ink);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 .3rem;
}

.docs-view-lead {
    color: var(--brass-deep);
    font-family: var(--font-display);
    font-size: 1.05rem;
    margin: 0 0 1.4rem;
}

.docs-view-list {
    margin: 0 0 1.5rem;
    padding-inline-start: 1.4rem;
    color: var(--text);
    font-size: .96rem;
    line-height: 2;
}

    .docs-view-list li {
        margin-block-end: .3rem;
    }

    .docs-view-list li::marker {
        color: var(--brass);
    }

/* ── رسومات توضيحية (SVG) ── */
.docs-figure {
    margin: 1.4rem 0 1.8rem;
    background: var(--parchment);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 1.2rem;
}

.docs-figure-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--ink);
    font-size: .92rem;
    margin-block-end: .8rem;
}

.docs-diagram {
    width: 100%;
    height: auto;
    display: block;
}

.dg-box {
    fill: var(--paper);
    stroke: var(--line);
    stroke-width: 1.5;
}

.dg-box-a { fill: rgba(176,133,66,.12); stroke: var(--brass); }
.dg-box-b { fill: rgba(22,34,58,.06); stroke: var(--ink-soft); }
.dg-box-c { fill: rgba(47,107,70,.1); stroke: var(--success); }
.dg-box-d { fill: rgba(22,34,58,.06); stroke: var(--ink-soft); }
.dg-box-ok { fill: rgba(47,107,70,.12); stroke: var(--success); }
.dg-box-bad { fill: rgba(154,47,47,.1); stroke: var(--danger); }

.dg-step {
    fill: var(--paper);
    stroke: var(--brass);
    stroke-width: 2.5;
}

.dg-step-pending {
    stroke: var(--ink-soft);
    stroke-dasharray: 5 4;
}

.dg-line {
    stroke: var(--muted);
    stroke-width: 1.75;
}

.dg-arrow {
    fill: var(--muted);
}

.dg-layer {
    stroke-width: 1.5;
}

.dg-layer-1 { fill: rgba(22,34,58,.05); stroke: var(--ink-soft); }
.dg-layer-2 { fill: rgba(176,133,66,.10); stroke: var(--brass); }
.dg-layer-3 { fill: rgba(176,133,66,.16); stroke: var(--brass); }
.dg-layer-4 { fill: rgba(176,133,66,.22); stroke: var(--brass-deep); }
.dg-layer-5 { fill: rgba(22,34,58,.14); stroke: var(--ink); }

.dg-text {
    font-family: var(--font-body);
    font-size: 13px;
    fill: var(--ink);
    text-anchor: middle;
}

.dg-text-strong {
    font-weight: 700;
}

.dg-text-sm {
    font-size: 10.5px;
    fill: var(--muted);
}

/* ── Forms ── */
.auth-wrap {
    max-width: 420px;
    margin: 3rem auto;
}

.panel {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
}

.form-label {
    font-weight: 600;
    color: var(--ink);
}

.form-control:focus {
    border-color: var(--brass);
    box-shadow: 0 0 0 .2rem rgba(176,133,66,.15);
}

.field-error {
    color: var(--danger);
    font-size: .88rem;
    margin-block-start: .35rem;
    min-height: 1.1rem;
}

/* ── Player ── */
.player-shell {
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
}

    .player-shell video {
        width: 100%;
        display: block;
    }

/* عند طلب ملء الشاشة على الحاوية نفسها (وليس على <video>) تبقى العلامة المائية
   وأزرار التحكم المخصّصة جزءاً من العنصر الظاهر ملء الشاشة. لا تغيير على جودة
   الفيديو نفسه — تحجيم عرض فقط عبر object-fit. */
.player-shell:fullscreen,
.player-shell:-webkit-full-screen {
    width: 100%;
    height: 100%;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

    .player-shell:fullscreen video,
    .player-shell:-webkit-full-screen video {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

.player-controls-bar {
    position: absolute;
    top: 8px;
    inset-inline-end: 8px;
    z-index: 6;
    display: flex;
    gap: 6px;
}

.player-fs-btn {
    background: rgba(0,0,0,.55);
    color: #fff;
    border: 1px solid rgba(255,255,255,.35);
    border-radius: 4px;
    padding: 4px 10px;
    font-size: .78rem;
    cursor: pointer;
    line-height: 1.6;
}

    .player-fs-btn:hover {
        background: rgba(0,0,0,.75);
    }

/* ── شريط تحكّم الدرس المخصّص ── */
.lp-spinner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    pointer-events: none;
}

    .lp-spinner span {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        border: 3px solid rgba(255,255,255,.25);
        border-top-color: var(--brass);
        animation: lp-spin .8s linear infinite;
    }

@keyframes lp-spin {
    to { transform: rotate(360deg); }
}

.lp-controls {
    position: absolute;
    inset-inline: 0;
    bottom: 0;
    z-index: 6;
    background: linear-gradient(to top, rgba(0,0,0,.72), rgba(0,0,0,0));
    padding: 20px 10px 8px;
}

.lp-progress-wrap {
    position: relative;
    height: 14px;
    display: flex;
    align-items: center;
    margin-bottom: 2px;
}

.lp-watched-fill,
.lp-buffered-fill {
    position: absolute;
    inset-inline-start: 0;
    top: 50%;
    height: 4px;
    transform: translateY(-50%);
    border-radius: 2px;
    pointer-events: none;
    width: 0;
}

.lp-buffered-fill {
    background: rgba(255,255,255,.35);
    z-index: 1;
}

.lp-watched-fill {
    background: rgba(176,133,66,.55);
    z-index: 2;
}

.lp-seek {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 14px;
    margin: 0;
    background: transparent;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

    .lp-seek::-webkit-slider-runnable-track {
        height: 4px;
        background: rgba(255,255,255,.2);
        border-radius: 2px;
    }

    .lp-seek::-moz-range-track {
        height: 4px;
        background: rgba(255,255,255,.2);
        border-radius: 2px;
    }

    .lp-seek::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 13px;
        height: 13px;
        border-radius: 50%;
        background: var(--brass);
        margin-top: -4.5px;
    }

    .lp-seek::-moz-range-thumb {
        width: 13px;
        height: 13px;
        border: none;
        border-radius: 50%;
        background: var(--brass);
    }

.lp-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.lp-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.14);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex: none;
    transition: background .15s ease;
}

    .lp-btn svg {
        width: 16px;
        height: 16px;
    }

    .lp-btn:hover {
        background: rgba(255,255,255,.26);
    }

.lp-fs-btn {
    width: auto;
    height: 30px;
    border-radius: 15px;
    padding: 0 12px;
    font-size: .76rem;
    white-space: nowrap;
}

.lp-volume {
    width: 70px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255,255,255,.25);
    border-radius: 2px;
    cursor: pointer;
}

    .lp-volume::-webkit-slider-thumb {
        -webkit-appearance: none;
        width: 11px;
        height: 11px;
        border-radius: 50%;
        background: #fff;
    }

    .lp-volume::-moz-range-thumb {
        width: 11px;
        height: 11px;
        border: none;
        border-radius: 50%;
        background: #fff;
    }

.lp-time {
    color: #fff;
    font-size: .74rem;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.lp-spacer {
    flex: 1 1 auto;
}

.lp-speed {
    position: relative;
}

.lp-speed-btn {
    width: auto;
    padding: 0 8px;
    font-size: .74rem;
    font-weight: 700;
}

.lp-speed-menu {
    position: absolute;
    bottom: 40px;
    inset-inline-end: 0;
    background: rgba(20,20,20,.92);
    border-radius: 6px;
    padding: 4px;
    display: flex;
    flex-direction: column;
    min-width: 68px;
}

    .lp-speed-menu button {
        background: transparent;
        border: none;
        color: #fff;
        text-align: center;
        padding: 5px 8px;
        font-size: .78rem;
        border-radius: 4px;
        cursor: pointer;
    }

        .lp-speed-menu button:hover,
        .lp-speed-menu button.is-active {
            background: var(--brass);
        }

.watermark {
    position: absolute;
    pointer-events: none;
    color: rgba(255,255,255,.45);
    font-size: .72rem;
    padding: 4px 8px;
    top: 12px;
    inset-inline-start: 12px;
    max-width: min(92%, 480px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: rgba(0,0,0,.22);
    border-radius: 3px;
    user-select: none;
    transition: top 1.2s ease, inset-inline-start 1.2s ease;
    z-index: 5;
}

/* ── معرض الفيديو (Zoom-inspired) ── */
.live-gallery {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #0b0f16;
}

.live-tile {
    position: absolute;
    inset: 0;
    border-radius: 10px;
    overflow: hidden;
    background: #14181f;
    opacity: 0;
    transition: opacity .3s ease;
}

    .live-tile.is-visible {
        opacity: 1;
    }

.live-tile-media {
    width: 100%;
    height: 100%;
}

    .live-tile-media video,
    .live-tile-media audio {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
    }

.live-tile-avatar {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--ink), var(--ink-soft));
}

.live-tile-footer {
    position: absolute;
    bottom: 8px;
    inset-inline-start: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(0,0,0,.5);
    color: #fff;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: .74rem;
    z-index: 4;
}

.live-tile-mic {
    display: inline-flex;
    width: 14px;
    height: 14px;
    flex: none;
}

    .live-tile-mic svg {
        width: 100%;
        height: 100%;
    }

.live-tile-quality {
    position: absolute;
    top: 8px;
    inset-inline-start: 8px;
    display: flex;
    align-items: flex-end;
    gap: 2px;
    z-index: 4;
    height: 14px;
}

    .live-tile-quality span {
        width: 3px;
        background: rgba(255,255,255,.35);
        border-radius: 1px;
    }

        .live-tile-quality span:nth-child(1) { height: 5px; }
        .live-tile-quality span:nth-child(2) { height: 9px; }
        .live-tile-quality span:nth-child(3) { height: 14px; }

    .live-tile-quality[data-quality="good"] span,
    .live-tile-quality[data-quality="excellent"] span {
        background: #3ddc84;
    }

    .live-tile-quality[data-quality="poor"] span:nth-child(1) {
        background: var(--danger);
    }

.live-tile-pip {
    inset: auto 12px 66px auto;
    width: 26%;
    max-width: 220px;
    aspect-ratio: 16 / 9;
    z-index: 4;
    box-shadow: 0 4px 14px rgba(0,0,0,.4);
    border: 2px solid rgba(255,255,255,.3);
    cursor: pointer;
}

.live-toolbar {
    position: absolute;
    bottom: 10px;
    inset-inline-start: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    background: rgba(0,0,0,.45);
    padding: 6px;
    border-radius: 999px;
    z-index: 6;
}

.live-tool-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,.14);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: background .15s ease;
}

    .live-tool-btn svg {
        width: 18px;
        height: 18px;
    }

    .live-tool-btn:hover {
        background: rgba(255,255,255,.26);
    }

    .live-tool-btn.is-off {
        background: var(--danger);
    }

    .live-tool-btn.is-active {
        background: var(--brass);
    }

    .live-tool-btn.live-tool-danger {
        background: var(--danger);
    }

        .live-tool-btn.live-tool-danger:hover {
            background: var(--brass-deep);
        }

@media (max-width: 576px) {
    .live-tile-pip {
        width: 34%;
    }

    .live-tool-btn {
        width: 34px;
        height: 34px;
    }
}

/* ── مرفقات الدرس ── */
.attachment-list .item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .6rem .9rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    margin-block-end: .5rem;
}

.attachment-list .item .meta {
    color: var(--muted, #6b7280);
    font-size: .82rem;
}

.lesson-list .item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .75rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--paper);
    margin-block-end: .5rem;
}

    .lesson-list .item.done {
        border-inline-start: 3px solid var(--success);
    }

/* ── Footer ── */
.app-footer {
    background: var(--navy-950);
    color: #aeb6c6;
    padding-block-start: 3rem;
    margin-block-start: 3rem;
    border-block-start: 1px solid rgba(195,160,107,.2);
}

.app-footer .footer-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    color: var(--parchment);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.2rem;
}

    .app-footer .footer-brand .brand-mark {
        width: 1.9rem;
        height: 1.9rem;
        color: var(--gold-500);
        flex-shrink: 0;
    }

        .app-footer .footer-brand .brand-mark svg {
            width: 100%;
            height: 100%;
        }

.app-footer .footer-desc {
    color: #93a0b8;
    font-size: .9rem;
    max-width: 26rem;
    margin-block-start: .85rem;
    line-height: 1.8;
}

.app-footer h6 {
    color: var(--parchment);
    font-weight: 700;
    font-size: .95rem;
    margin-block-end: 1rem;
}

.app-footer .footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .6rem;
}

    .app-footer .footer-links a {
        color: #93a0b8;
        font-size: .9rem;
    }

        .app-footer .footer-links a:hover {
            color: var(--gold-500);
            text-decoration: none;
        }

.app-footer .footer-bottom {
    border-block-start: 1px solid rgba(255,255,255,.08);
    margin-block-start: 2.2rem;
    padding-block: 1.1rem;
    color: #7c88a0;
    font-size: .85rem;
}

.app-footer .footer-motto {
    color: var(--gold-500);
    font-family: var(--font-display);
    font-size: .92rem;
}

/* ── Utilities ── */
.badge-status {
    font-size: .78rem;
    padding: .25rem .6rem;
    border-radius: 999px;
}

.badge-active {
    background: rgba(47,107,70,.12);
    color: var(--success);
}

.badge-expired {
    background: rgba(154,47,47,.1);
    color: var(--danger);
}

.alert-inline {
    border-radius: var(--radius);
    padding: .75rem 1rem;
    margin-block-end: 1rem;
}

    .alert-inline.err {
        background: rgba(154,47,47,.08);
        color: var(--danger);
        border: 1px solid rgba(154,47,47,.2);
    }

    .alert-inline.ok {
        background: rgba(47,107,70,.08);
        color: var(--success);
        border: 1px solid rgba(47,107,70,.2);
    }

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}

:focus-visible {
    outline: 2px solid var(--gold-500);
    outline-offset: 2px;
}

/* ════════════════════════════════════════════════════════════════
   Catalog — wide course cards, search & filters (scholarly identity)
   ════════════════════════════════════════════════════════════════ */

/* ── Catalog hero (داكن) — المسار المتوقَّع: wwwroot/images/catalog-hero.jpg (اختياري) ── */
.catalog-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background-color: var(--navy-900);
    color: var(--parchment);
    padding-block: 2.75rem 2.25rem;
    margin-block-end: 1.75rem;
    /*border-radius: 0 0 var(--radius-lg) var(--radius-lg);*/
}

    /* الصورة في طبقة مستقلة بفلتر وضوح/تشبّع، بمعزل عن طبقة التعتيم والنص */
    .catalog-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: url('/images/catalog-hero.jpg');
        background-size: cover;
        background-position: center;
        filter: saturate(.8) contrast(1.12) brightness(1.08);
        z-index: 0;
    }

    /* تعتيم كحلي محايد خفيف (بدل الأزرق الطاغي السابق) لضمان وضوح النص فقط */
    .catalog-hero::after {
        content: "";
        position: absolute;
        inset: 0;
        background-image:
            radial-gradient(90% 140% at 100% -10%, rgba(195,160,107,.16), transparent 55%),
            linear-gradient(150deg, rgba(7,19,34,.5) 0%, rgba(7,19,34,.8) 100%);
        z-index: 1;
    }

    .catalog-hero > .container {
        position: relative;
        z-index: 2;
    }

    .catalog-hero h1 {
        font-family: var(--font-display);
        font-size: clamp(1.6rem, 3vw, 2.2rem);
        margin: 0 0 .4rem;
    }

    .catalog-hero p {
        color: #cdd4e2;
        margin: 0 0 1.5rem;
    }

/* ── Catalog layout: search bar + sidebar + results ── */
.catalog-search-bar {
    background: transparent;
    padding: 0;
    margin-block-end: 0;
}

.catalog-search-row {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    align-items: stretch;
    background: var(--surface);
    border-radius: 999px;
    padding: .4rem .4rem .4rem 1.1rem;
    box-shadow: var(--shadow-lift);
}

@media (max-width: 575.98px) {
    .catalog-search-row {
        border-radius: var(--radius-lg);
        padding: .6rem;
    }
}

    .catalog-search-row .grow {
        flex: 1 1 16rem;
        min-width: 0;
        display: flex;
        align-items: center;
    }

    .catalog-search-row label {
        display: none;
    }

    .catalog-search-row #catSearch {
        border: none;
        background: transparent;
        padding: .55rem .25rem;
        font-size: .98rem;
        box-shadow: none;
    }

        .catalog-search-row #catSearch:focus {
            outline: none;
            box-shadow: none;
        }

    .catalog-search-row .btn-brass {
        border-radius: 999px;
        flex: 0 0 auto;
    }

    .catalog-search-row .btn-outline-ink {
        border-radius: 999px;
        flex: 0 0 auto;
        background: var(--bg-app);
        border-color: var(--line-soft);
    }

/* ── شرائح تصنيف سريعة ── */
.catalog-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    margin-block-start: 1.5rem;
}

.catalog-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.2);
    color: var(--parchment);
    border-radius: 999px;
    padding: .5rem 1.1rem;
    font-size: .86rem;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s ease, color .15s ease, border-color .15s ease;
}

    .catalog-chip:hover {
        border-color: var(--gold-500);
        background: rgba(255,255,255,.1);
    }

    .catalog-chip.active {
        background: var(--gold-500);
        border-color: var(--gold-600);
        color: #fff;
    }

    .catalog-chip.chip-overflow {
        display: none;
    }

    .catalog-chips.expanded .catalog-chip.chip-overflow {
        display: inline-flex;
    }

    .catalog-chip.chip-more {
        background: transparent;
        border-style: dashed;
    }

        .catalog-chip.chip-more svg {
            width: 1rem;
            height: 1rem;
            transition: transform .15s ease;
        }

        .catalog-chip.chip-more[aria-expanded="true"] svg {
            transform: rotate(180deg);
        }

.catalog-chip .chip-ic {
    width: 1.05rem;
    height: 1.05rem;
    flex-shrink: 0;
}

body:has(.catalog-hero) {
    background: var(--bg-app);
}

.catalog-layout {
    display: grid;
    grid-template-columns: 18rem 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 992px) {
    .catalog-layout {
        grid-template-columns: 1fr;
    }
}

.catalog-results {
    min-width: 0;
}

.catalog-sidebar-reset {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    width: 100%;
    padding: .7rem 1rem;
    font-weight: 700;
    margin-block-start: 1rem;
}

    .catalog-sidebar-reset svg {
        width: 1.05rem;
        height: 1.05rem;
        flex-shrink: 0;
    }

/* ── Sidebar filters ── */
.catalog-sidebar {
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 1.1rem 1.25rem;
}

.filter-card {
    padding-block: .9rem;
    border-block-end: 1px solid var(--line-soft);
}

    .filter-card:first-of-type {
        padding-block-start: 0;
    }

    .filter-card:last-of-type {
        border-block-end: none;
        padding-block-end: 0;
    }

.filter-card-head {
    color: var(--navy-900);
    padding: 0 0 .6rem;
    font-family: var(--font-display);
    font-size: .95rem;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

    .filter-card-head .count-pill {
        background: var(--gold-500);
        color: #fff;
        border-radius: 999px;
        font-size: .72rem;
        padding: .1rem .5rem;
        font-family: var(--font-body);
    }

.filter-card-body {
    padding: 0;
}

.filter-option-all input {
    display: none;
}

    .filter-option-all .count-pill {
        background: var(--navy-900);
        color: #fff;
        border-radius: 999px;
        font-size: .72rem;
        font-weight: 700;
        padding: .1rem .5rem;
        font-family: var(--font-body);
    }

/* ── Instructor dropdown ── */
.filter-dropdown-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    background: var(--bg-app);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-sm);
    padding: .55rem .8rem;
    font-size: .88rem;
    font-family: var(--font-body);
    color: var(--text);
    cursor: pointer;
    text-align: start;
}

    .filter-dropdown-toggle svg {
        width: 1rem;
        height: 1rem;
        flex-shrink: 0;
        transition: transform .15s ease;
    }

    .filter-dropdown-toggle[aria-expanded="true"] svg {
        transform: rotate(180deg);
    }

.filter-dropdown-panel {
    display: none;
    margin-block-start: .65rem;
}

    .filter-dropdown-panel.open {
        display: block;
    }

.filter-option {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .4rem .25rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text);
    font-size: .9rem;
    transition: background .12s ease;
}

    .filter-option:hover {
        background: var(--bg-app);
    }

    .filter-option.active {
        background: var(--gold-100);
        color: var(--gold-600);
        font-weight: 600;
    }

    .filter-option input {
        accent-color: var(--gold-500);
    }

.filter-search-field {
    width: 100%;
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-sm);
    padding: .45rem .65rem;
    margin-block-end: .6rem;
    font-family: var(--font-body);
    background: var(--surface);
    color: var(--text);
}

.filter-scroll {
    max-height: 14rem;
    overflow-y: auto;
}

/* ── Mobile sidebar toggle ── */
.catalog-sidebar-toggle {
    display: none;
    width: 100%;
    align-items: center;
    gap: .6rem;
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
    color: var(--parchment);
    border: none;
    border-radius: var(--radius-lg);
    padding: .7rem 1rem;
    font-weight: 600;
    margin-block-end: 1rem;
    cursor: pointer;
    font-family: var(--font-body);
    box-shadow: var(--shadow-card);
}

    .catalog-sidebar-toggle .cst-icon {
        display: inline-flex;
        width: 18px;
        height: 18px;
        color: var(--gold-500);
        flex: none;
    }

        .catalog-sidebar-toggle .cst-icon svg {
            width: 100%;
            height: 100%;
        }

    .catalog-sidebar-toggle .cst-label {
        flex: 1 1 auto;
        text-align: start;
    }

    .catalog-sidebar-toggle .cst-count {
        background: var(--gold-500);
        color: #fff;
        font-size: .72rem;
        font-weight: 700;
        min-width: 1.3rem;
        height: 1.3rem;
        border-radius: 999px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0 .3rem;
    }

    .catalog-sidebar-toggle .cst-chevron {
        display: inline-flex;
        width: 16px;
        height: 16px;
        flex: none;
        transition: transform .2s ease;
    }

        .catalog-sidebar-toggle .cst-chevron svg {
            width: 100%;
            height: 100%;
        }

    .catalog-sidebar-toggle[aria-expanded="true"] .cst-chevron {
        transform: rotate(180deg);
    }

/* ── خلفية معتمة عند فتح القائمة الجانبية (موبايل) ── */
.catalog-sidebar-backdrop {
    display: none;
}

@media (max-width: 992px) {
    .catalog-sidebar-toggle {
        display: flex;
    }

    .catalog-sidebar {
        display: flex;
        position: fixed;
        inset-block: 0;
        inset-inline-start: -100%;
        width: min(85vw, 22rem);
        max-width: 22rem;
        z-index: 60;
        margin: 0;
        padding: 1.1rem;
        background: var(--bg-app);
        border-radius: 0;
        box-shadow: none;
        overflow-y: auto;
        border-inline-end: 1px solid var(--line-soft);
        transition: inset-inline-start .3s ease;
    }

        .catalog-sidebar.open {
            inset-inline-start: 0;
        }

    .catalog-sidebar-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(15,20,30,.5);
        z-index: 55;
        opacity: 0;
        pointer-events: none;
        transition: opacity .3s ease;
    }

        .catalog-sidebar-backdrop.open {
            opacity: 1;
            pointer-events: auto;
        }
}

.catalog-sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--navy-900);
    font-size: 1.05rem;
    padding-block-end: .8rem;
    margin-block-end: .8rem;
    border-block-end: 1px solid var(--line-soft);
}

.catalog-sidebar-close {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 1px solid var(--line-soft);
    background: var(--surface);
    color: var(--navy-900);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

    .catalog-sidebar-close svg {
        width: 14px;
        height: 14px;
    }

    .catalog-sidebar-close:hover {
        border-color: var(--gold-500);
        color: var(--gold-600);
    }

/* ── Results toolbar ── */
.results-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: .75rem;
    margin-block-end: 1rem;
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    padding: .6rem .9rem;
    box-shadow: var(--shadow-card);
}

.results-toolbar-end {
    display: flex;
    align-items: center;
    gap: .65rem;
    flex-wrap: wrap;
}

.results-count {
    color: var(--text-muted-2);
    font-size: .95rem;
}

    .results-count strong {
        color: var(--gold-600);
        font-size: 1.15rem;
        font-family: var(--font-display);
    }

/* ── تبديل طريقة العرض (شبكة/قائمة) ── */
.view-toggle {
    display: inline-flex;
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    padding: .2rem;
    gap: .2rem;
}

    .view-toggle button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 2rem;
        height: 2rem;
        border: none;
        background: transparent;
        border-radius: 999px;
        color: var(--text-muted-2);
        cursor: pointer;
    }

        .view-toggle button svg {
            width: 1.05rem;
            height: 1.05rem;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .view-toggle button.active {
            background: var(--navy-900);
            color: #fff;
        }

.results-toolbar .sort-select {
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    padding: .45rem 1rem .45rem 2.2rem;
    background: var(--bg-app) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238d6a31' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E") no-repeat left .65rem center/14px 14px;
    color: var(--navy-900);
    font-family: var(--font-body);
    font-size: .86rem;
    cursor: pointer;
    transition: border-color .15s ease, box-shadow .15s ease;
}

    .results-toolbar .sort-select:hover {
        border-color: var(--gold-500);
    }

    .results-toolbar .sort-select:focus {
        outline: none;
        border-color: var(--gold-500);
        box-shadow: 0 0 0 3px rgba(195,160,107,.22);
    }

/* ── Active filter chips ── */
.active-filters {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-block-end: 1rem;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    padding: .25rem .7rem;
    font-size: .82rem;
    color: var(--navy-900);
}

    .filter-chip button {
        border: none;
        background: none;
        color: var(--gold-600);
        cursor: pointer;
        font-size: 1rem;
        line-height: 1;
        padding: 0;
    }

.chip-clear {
    border: 1px solid var(--line-soft);
    background: var(--surface);
    color: var(--danger);
    border-radius: 999px;
    padding: .25rem .8rem;
    font-size: .82rem;
    cursor: pointer;
}

/* ── نتائج الكتالوج: حاوية شبكية (قائمة بعمود واحد افتراضياً، أو شبكة 3 أعمدة) ── */
#catalogResults {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.1rem;
}

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

@media (max-width: 991.98px) {
    #catalogResults.view-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575.98px) {
    #catalogResults.view-grid {
        grid-template-columns: 1fr;
    }
}

/* ── Wide course card ── */
.course-card-wide {
    display: grid;
    grid-template-columns: 16rem 1fr;
    gap: 0;
    background: var(--surface);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

    .course-card-wide:hover {
        transform: translateY(-3px);
        border-color: rgba(195,160,107,.45);
        box-shadow: var(--shadow-lift);
    }

@media (max-width: 640px) {
    .course-card-wide {
        grid-template-columns: 1fr;
    }
}

/* في وضع الشبكة: الغلاف أعلى البطاقة والوصف مخفي لإبقائها مُدمَجة */
#catalogResults.view-grid .course-card-wide {
    grid-template-columns: 1fr;
}

#catalogResults.view-grid .course-thumb {
    border-inline-end: none;
    border-block-end: 1px solid var(--line-soft);
    min-height: 9.5rem;
}

#catalogResults.view-grid .course-card-desc {
    display: none;
}

.course-thumb {
    position: relative;
    min-height: 11rem;
    background: linear-gradient(135deg, var(--navy-900), var(--navy-700));
    overflow: hidden;
    border-inline-end: 1px solid var(--line-soft);
}

@media (max-width: 640px) {
    .course-thumb {
        min-height: 9rem;
        border-inline-end: none;
        border-block-end: 1px solid var(--line-soft);
    }
}

.course-thumb::after {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 45%;
    background: linear-gradient(to top, rgba(0,0,0,.35), transparent);
    pointer-events: none;
}

.course-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.course-thumb .thumb-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,.14), transparent 55%),
        linear-gradient(135deg, var(--navy-900) 0%, var(--gold-600) 100%);
    color: var(--parchment);
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 700;
    user-select: none;
}

.course-thumb .badge-category {
    position: absolute;
    inset-block-end: .6rem;
    inset-inline-start: .6rem;
}

.course-thumb .badge-live {
    position: absolute;
    inset-block-start: .6rem;
    inset-inline-start: .6rem;
}

@keyframes live-pulse {
    0%, 100% {
        opacity: 1;
    }

    50% {
        opacity: .35;
    }
}

.course-card-body {
    padding: 1.1rem 1.25rem 1.2rem;
    display: flex;
    flex-direction: column;
}

    .course-card-body h3 {
        font-family: var(--font-display);
        font-size: 1.3rem;
        margin: 0 0 .4rem;
        color: var(--navy-900);
    }

        .course-card-body h3 a {
            color: inherit;
        }

            .course-card-body h3 a:hover {
                color: var(--gold-600);
                text-decoration: none;
            }

#catalogResults.view-grid .course-card-body h3 {
    font-size: 1.05rem;
}

.course-card-desc {
    color: var(--text-muted-2);
    font-size: .92rem;
    margin: 0 0 .8rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── Instructor chips ── */
.instructor-row {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-block-end: .85rem;
}

.instructor-chip {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    background: var(--bg-app);
    border: 1px solid var(--line-soft);
    border-radius: 999px;
    padding: .2rem .65rem .2rem .25rem;
    font-size: .82rem;
}

    .instructor-chip .avatar,
    .instructor-chip .avatar-fallback {
        width: 1.6rem;
        height: 1.6rem;
        border-radius: 50%;
        object-fit: cover;
        flex-shrink: 0;
    }

    .instructor-chip .avatar-fallback {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--navy-900);
        color: var(--gold-500);
        font-family: var(--font-display);
        font-size: .8rem;
        font-weight: 700;
    }

    .instructor-chip .who {
        display: flex;
        flex-direction: column;
        line-height: 1.2;
    }

        .instructor-chip .who .name {
            color: var(--navy-900);
            font-weight: 600;
        }

        .instructor-chip .who .title {
            color: var(--text-muted-2);
            font-size: .72rem;
        }

.instructor-more {
    align-self: center;
    color: var(--gold-600);
    font-size: .82rem;
    font-weight: 600;
}

/* ── Course meta badges ── */
.course-meta-badges {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-block-start: auto;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    background: var(--bg-app);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius-sm);
    padding: .25rem .65rem;
    font-size: .82rem;
    color: var(--navy-900);
}

    .meta-badge .ic {
        width: .95rem;
        height: .95rem;
        fill: var(--gold-600);
        flex-shrink: 0;
    }

    .meta-badge.brass {
        background: var(--gold-100);
        border-color: rgba(195,160,107,.35);
    }

/* ── Empty / pagination ── */
.catalog-empty {
    text-align: center;
    padding: 3.5rem 1rem;
    color: var(--text-muted-2);
    background: var(--surface);
    border: 1px dashed var(--line-soft);
    border-radius: var(--radius-lg);
    grid-column: 1 / -1;
}

.catalog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: .5rem;
    margin-block-start: 1.5rem;
    flex-wrap: wrap;
}

    .catalog-pagination button {
        border: 1px solid var(--line-soft);
        background: var(--surface);
        color: var(--navy-900);
        border-radius: var(--radius-sm);
        padding: .45rem .9rem;
        cursor: pointer;
        font-family: var(--font-body);
    }

        .catalog-pagination button:disabled {
            opacity: .45;
            cursor: default;
        }

        .catalog-pagination button.active {
            background: var(--gold-500);
            border-color: var(--gold-600);
            color: #fff;
            font-weight: 700;
        }

/* ── Instructor faculty block (course details) ── */
.faculty-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
    gap: 1rem;
}

.faculty-card {
    display: flex;
    gap: .85rem;
    align-items: center;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: .9rem 1rem;
}

    .faculty-card .avatar, .faculty-card .avatar-fallback {
        width: 3.2rem;
        height: 3.2rem;
        border-radius: 50%;
        object-fit: cover;
        flex-shrink: 0;
    }

    .faculty-card .avatar-fallback {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, var(--ink), var(--brass-deep));
        color: var(--parchment);
        font-family: var(--font-display);
        font-size: 1.2rem;
        font-weight: 700;
    }

    .faculty-card .name {
        font-family: var(--font-display);
        color: var(--ink);
        font-size: 1.05rem;
    }

    .faculty-card .title {
        color: var(--muted);
        font-size: .85rem;
    }

    .faculty-card .specialty {
        color: var(--brass-deep);
        font-size: .8rem;
    }

/* ── Lesson instructor line (watch page) ── */
.lesson-instructors {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    align-items: center;
    margin-block-start: .85rem;
}

    .lesson-instructors .lbl {
        color: var(--muted);
        font-size: .85rem;
    }

/* ════════════════════════════════════════════════════════════════
   Catalog — skeleton loading (threshold-gated, reduced-motion aware)
   ════════════════════════════════════════════════════════════════ */
.skeleton-card {
    pointer-events: none;
}

    .skeleton-card .sk-block,
    .skeleton-card .sk-line,
    .skeleton-card .sk-chip {
        background: linear-gradient(90deg, var(--line-soft) 25%, #f1f2f6 37%, var(--line-soft) 63%);
        background-size: 400% 100%;
        animation: sk-shimmer 1.4s ease infinite;
        border-radius: var(--radius-sm);
    }

    .skeleton-card .sk-block {
        min-height: 11rem;
    }

    .skeleton-card .sk-line {
        height: .9rem;
        margin-block-end: .6rem;
    }

    .skeleton-card .sk-title {
        height: 1.4rem;
        width: 55%;
        margin-block-end: .9rem;
    }

    .skeleton-card .sk-text {
        width: 90%;
    }

        .skeleton-card .sk-text.short {
            width: 65%;
        }

    .skeleton-card .sk-chips {
        display: flex;
        gap: .5rem;
        margin-block-start: 1rem;
    }

    .skeleton-card .sk-chip {
        width: 5.5rem;
        height: 1.6rem;
        border-radius: 999px;
    }

@keyframes sk-shimmer {
    0% {
        background-position: 100% 0;
    }

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

@media (prefers-reduced-motion: reduce) {
    .skeleton-card .sk-block,
    .skeleton-card .sk-line,
    .skeleton-card .sk-chip {
        animation: none;
    }
}

/* ════════════════════════════════════════════════════════════════
   Catalog — card actions (CTA + share), card image hover
   ════════════════════════════════════════════════════════════════ */
.course-card-actions {
    display: flex;
    align-items: center;
    gap: .6rem;
    margin-block-start: 1rem;
    padding-block-start: .9rem;
    border-block-start: 1px solid var(--line-soft);
    justify-content: flex-end;
}

#catalogResults.view-grid .course-card-actions {
    justify-content: space-between;
}

.btn-sm {
    padding: .4rem 1rem;
    font-size: .88rem;
}

.course-cta {
    flex: 0 0 auto;
}

    .course-cta:hover {
        text-decoration: none;
    }

.card-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.2rem;
    height: 2.2rem;
    flex: 0 0 auto;
    border: 1px solid var(--line-soft);
    background: var(--surface);
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-muted-2);
    transition: background .12s ease, color .12s ease, border-color .12s ease;
}

    .card-icon-btn:hover {
        background: var(--bg-app);
        color: var(--gold-600);
        border-color: var(--gold-500);
    }

    .card-icon-btn svg {
        width: 1.05rem;
        height: 1.05rem;
        fill: currentColor;
    }

    .card-icon-btn.copied {
        background: rgba(47,107,70,.12);
        color: var(--success);
        border-color: rgba(47,107,70,.4);
    }

    /* زر المفضلة: حالة "محفوظ" (تُفعَّل لاحقاً بإضافة class is-favorited) */
    .card-icon-btn[data-favorite]:hover {
        color: var(--danger);
        border-color: var(--danger);
    }

    .card-icon-btn[data-favorite].is-favorited {
        color: var(--danger);
        border-color: var(--danger);
        background: rgba(154,47,47,.08);
    }

        .card-icon-btn[data-favorite].is-favorited svg {
            fill: var(--danger);
        }

/* تكبير لطيف للصورة عند المرور على البطاقة */
.course-thumb img {
    transition: transform .35s ease;
}

.course-card-wide:hover .course-thumb img {
    transform: scale(1.04);
}

@media (prefers-reduced-motion: reduce) {
    .course-thumb img {
        transition: none;
    }

    .course-card-wide:hover .course-thumb img {
        transform: none;
    }
}

/* ─────────────────────────── Instructor Modal ─────────────────────────── */
.instructor-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1080;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(22, 34, 58, .55);
    opacity: 0;
    visibility: hidden;
    transition: opacity .18s ease, visibility .18s ease;
}

    .instructor-modal-overlay.open {
        opacity: 1;
        visibility: visible;
    }

body.im-modal-open {
    overflow: hidden;
}

.instructor-modal {
    width: 100%;
    max-width: 560px;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    position: relative;
    background: var(--paper);
    color: var(--text);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transform: translateY(8px) scale(.98);
    transition: transform .18s ease;
}

.instructor-modal-overlay.open .instructor-modal {
    transform: translateY(0) scale(1);
}

.instructor-modal-close {
    position: absolute;
    inset-inline-end: 10px;
    top: 10px;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    border-radius: var(--radius);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
}

    .instructor-modal-close:hover {
        background: var(--parchment-deep);
        color: var(--ink);
    }

    .instructor-modal-close svg {
        width: 20px;
        height: 20px;
        fill: currentColor;
    }

.instructor-modal-body {
    padding: 28px;
}

.instructor-modal-head {
    display: flex;
    align-items: center;
    gap: 18px;
    padding-inline-end: 32px;
}

.im-avatar-wrap {
    flex: 0 0 auto;
}

.im-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
    border: 3px solid var(--brass);
    background: var(--parchment-deep);
}

.im-avatar-fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--brass-deep);
}

.im-headtext {
    min-width: 0;
}

.im-name {
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: var(--ink);
}

.im-title {
    margin-top: 4px;
    color: var(--brass-deep);
    font-weight: 600;
}

.im-specialty {
    margin-top: 2px;
    color: var(--muted);
    font-size: .9rem;
}

.instructor-modal-section {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.im-section-label {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: var(--ink);
    margin-bottom: 10px;
}

.im-bio {
    line-height: 1.8;
    color: var(--ink-soft);
}

.im-bio-empty {
    color: var(--muted);
    font-style: italic;
}

.instructor-modal-error {
    padding: 16px;
    border-radius: var(--radius);
    background: rgba(154, 47, 47, .08);
    color: var(--danger);
    text-align: center;
}

.instructor-modal-loading {
    display: flex;
    align-items: center;
    gap: 18px;
}

.im-sk-avatar {
    width: 88px;
    height: 88px;
    border-radius: 50%;
    flex: 0 0 auto;
    background: var(--parchment-deep);
    animation: im-pulse 1.2s ease-in-out infinite;
}

.im-sk-lines {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

    .im-sk-lines span {
        height: 12px;
        border-radius: var(--radius);
        background: var(--parchment-deep);
        animation: im-pulse 1.2s ease-in-out infinite;
    }

        .im-sk-lines span:nth-child(1) { width: 60%; }
        .im-sk-lines span:nth-child(2) { width: 90%; }
        .im-sk-lines span:nth-child(3) { width: 75%; }

@keyframes im-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .45; }
}

@media (max-width: 520px) {
    .instructor-modal-body {
        padding: 22px;
    }

    .instructor-modal-head {
        flex-direction: column;
        text-align: center;
    }

    .im-avatar,
    .im-sk-avatar {
        width: 72px;
        height: 72px;
    }
}

/* ─────────────────────────── Category Reorder ─────────────────────────── */
.category-row { cursor: default; }
.category-row .drag-handle {
    cursor: grab;
    color: var(--muted);
    font-size: 1.1rem;
    user-select: none;
}
.category-row.dragging {
    opacity: .55;
    background: var(--parchment-deep);
}