:root {
    color-scheme: dark light;
    font-family: 'Inter', system-ui, sans-serif;
    color: #0f172a;
    background: #f8fafc;
    --surface: #ffffff;
    --surface-strong: #f1f5f9;
    --surface-muted: #e2e8f0;
    --text: #0f172a;
    --muted: #64748b;
    --border: rgba(15, 23, 42, 0.08);
    --accent: #4f46e5;
    --accent-soft: rgba(79, 70, 229, 0.12);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.admin-shell {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top left, rgba(79, 70, 229, 0.12), transparent 28%),
                radial-gradient(circle at bottom right, rgba(59, 130, 246, 0.08), transparent 28%),
                #f8fafc;
    color: var(--text);
}

.admin-frame {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 28px;
    width: min(1400px, 100%);
    margin: 0 auto;
    padding: 28px 24px 48px;
    align-items: start;
}

.admin-sidebar {
    position: sticky;
    top: 24px;
    align-self: start;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(15, 23, 42, 0.06);
    border-radius: 28px;
    padding: 28px 18px;
    box-shadow: 0 30px 60px rgba(15, 23, 42, 0.08);
    min-height: calc(100vh - 56px);
}

.admin-main {
    min-width: 0;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 30px;
}

.brand-logo {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background: linear-gradient(180deg, rgba(79, 70, 229, 0.2), rgba(79, 70, 229, 0.5));
    color: white;
    font-size: 1.25rem;
    font-weight: 800;
}

.brand-title,
.brand-sub {
    margin: 0;
}

.brand-title {
    font-size: 1rem;
    font-weight: 700;
}

.brand-sub {
    font-size: 0.9rem;
    color: var(--muted);
}

.sidebar-nav {
    display: grid;
    gap: 10px;
    margin-bottom: 28px;
}

.sidebar-link {
    display: block;
    padding: 14px 16px;
    border-radius: 16px;
    color: #0f172a;
    text-decoration: none;
    font-weight: 600;
    background: transparent;
    transition: background 0.25s ease, color 0.25s ease;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: rgba(79, 70, 229, 0.12);
    color: #4338ca;
}

.sidebar-foot {
    border-top: 1px solid rgba(15, 23, 42, 0.06);
    padding-top: 22px;
}

.sidebar-foot p {
    margin: 0 0 12px;
    color: var(--muted);
    font-size: 0.95rem;
}

.action-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 24px;
}

.action-card {
    border-radius: 22px;
    padding: 24px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(15, 23, 42, 0.07);
    display: grid;
    gap: 16px;
}

.action-card h3 {
    margin: 0;
    font-size: 1.05rem;
}

.action-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.7;
}

.action-card a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: 14px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    font-weight: 700;
}

@media (max-width: 1080px) {
    .admin-frame {
        grid-template-columns: 1fr;
    }

    .admin-sidebar {
        position: relative;
        top: auto;
        min-height: auto;
    }
}

@media (max-width: 880px) {
    .action-grid {
        grid-template-columns: 1fr;
    }
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 28px;
    padding: 24px 28px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(79, 70, 229, 0.17), rgba(79, 70, 229, 0.03));
    border: 1px solid rgba(79, 70, 229, 0.12);
    backdrop-filter: blur(18px);
}

.admin-header .header-copy {
    max-width: 720px;
}

.page-title {
    margin: 0 0 10px;
    font-size: clamp(2rem, 3vw, 2.7rem);
    line-height: 1.05;
}

.page-subtitle {
    margin: 0;
    font-size: 1rem;
    color: var(--muted);
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
}

.hero-actions .btn,
.hero-actions .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 20px;
    border-radius: 14px;
    text-decoration: none;
    color: white;
    font-weight: 700;
    min-width: 160px;
}

.hero-actions .btn {
    background: var(--accent);
    box-shadow: 0 20px 40px rgba(79, 70, 229, 0.14);
}

.hero-actions .btn-secondary {
    background: #334155;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(320px, 1fr);
    gap: 24px;
}

.card,
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.05);
}

.card {
    padding: 24px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    margin-bottom: 24px;
}

.metric-card {
    display: grid;
    gap: 16px;
    padding: 22px;
    border-radius: 20px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(15, 23, 42, 0.05);
}

.metric-card strong {
    font-size: 0.9rem;
    color: var(--muted);
}

.metric-card span {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text);
}

.metric-card .metric-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.9rem;
    color: #065f46;
    background: rgba(16, 185, 129, 0.14);
    width: fit-content;
}

.list-grid {
    display: grid;
    gap: 18px;
}

.list-card {
    display: grid;
    gap: 16px;
}

.list-card h2,
.section-card h2 {
    margin: 0;
    font-size: 1.05rem;
}

.list-card ul,
.section-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 12px;
}

.list-card li,
.section-card li {
    border-radius: 18px;
    padding: 16px;
    border: 1px solid rgba(15, 23, 42, 0.05);
    background: #f8fafc;
}

.list-card li strong,
.section-card li strong {
    display: block;
    margin-bottom: 8px;
    color: #0f172a;
}

.list-card li span,
.section-card li span {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-active {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
}

.badge-inactive {
    background: rgba(248, 113, 113, 0.12);
    color: #b91c1c;
}

.section-card {
    padding: 24px;
    background: linear-gradient(180deg, #ffffff 0%, #f5f7fa 100%);
}

.section-card .section-row {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 14px;
}

.section-card p {
    margin: 0;
    color: var(--muted);
    line-height: 1.8;
}

.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 20px;
}

.auth-card {
    width: min(520px, 100%);
    padding: 36px;
}

.auth-card h1 {
    margin: 0 0 12px;
    font-size: clamp(2rem, 3.5vw, 2.4rem);
}

.auth-card p {
    margin: 0 0 26px;
    color: var(--muted);
    line-height: 1.85;
}

.form-field {
    margin-bottom: 18px;
}

.form-field label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #0f172a;
}

.form-field input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid #cbd5e1;
    background: #f8fafc;
    font-size: 1rem;
    color: #0f172a;
}

.form-field input:focus {
    outline: 2px solid rgba(79, 70, 229, 0.22);
    outline-offset: 2px;
    border-color: rgba(79, 70, 229, 0.3);
}

.button-primary,
.button-secondary {
    border: none;
    border-radius: 14px;
    cursor: pointer;
    font-weight: 700;
}

.button-primary {
    width: 100%;
    padding: 14px 16px;
    background: var(--accent);
    color: white;
    box-shadow: 0 18px 30px rgba(79, 70, 229, 0.16);
}

.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 16px;
    width: 100%;
    background: #0f172a;
    color: white;
}

.notice {
    margin-bottom: 20px;
    padding: 16px 18px;
    border-radius: 16px;
    background: #fee2e2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.footer-link {
    display: inline-flex;
    margin-top: 24px;
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

.table-overview {
    width: 100%;
    border-collapse: collapse;
    margin-top: 18px;
}

.table-overview th,
.table-overview td {
    text-align: left;
    padding: 16px 14px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
}

.table-overview th {
    font-size: 0.9rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.table-overview tbody tr:last-child td {
    border-bottom: none;
}

@media (max-width: 960px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .metric-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .admin-frame {
        padding: 20px 16px 32px;
    }

    .admin-header,
    .card,
    .auth-card,
    .section-card {
        padding: 20px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-actions .btn,
    .hero-actions .btn-secondary {
        width: 100%;
    }
}

/* ── Reel / Video Management ── */
.admin-title { margin:0 0 4px; font-size:1.5rem; font-weight:800; color:#0f172a; }
.admin-sub   { margin:0; font-size:0.9rem; color:var(--muted); }

.admin-alert { padding:14px 18px; border-radius:14px; margin-bottom:20px; font-size:0.9rem; font-weight:600; }
.admin-alert-success { background:rgba(16,185,129,.12); border:1px solid rgba(16,185,129,.25); color:#065f46; }
.admin-alert-error   { background:rgba(239,68,68,.1);  border:1px solid rgba(239,68,68,.2);  color:#991b1b; }
.admin-alert-error p { margin:0 0 4px; }
.admin-alert-error p:last-child { margin:0; }

.admin-empty { text-align:center; padding:60px 24px; background:#fff; border-radius:24px; border:1px solid var(--border); }
.admin-empty-icon { font-size:48px; margin-bottom:14px; }
.admin-empty h3 { margin:0 0 8px; font-size:1.2rem; }
.admin-empty p  { margin:0; color:var(--muted); }

/* Reel grid in admin list */
.reel-admin-grid {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:20px;
}
@media(max-width:900px){ .reel-admin-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:560px){ .reel-admin-grid{ grid-template-columns:1fr; } }

.reel-admin-card {
    background:#fff;
    border:1px solid var(--border);
    border-radius:20px;
    overflow:hidden;
    box-shadow:0 4px 16px rgba(15,23,42,.06);
    display:flex;
    flex-direction:column;
}
.reel-admin-thumb {
    position:relative;
    aspect-ratio:16/9;
    background:#f1f5f9;
    overflow:hidden;
}
.reel-admin-thumb img { width:100%; height:100%; object-fit:cover; display:block; }
.reel-admin-ig-placeholder {
    width:100%; height:100%;
    display:flex; align-items:center; justify-content:center;
    font-size:36px;
    background:linear-gradient(135deg,#0B0F19,#1e3c72);
    color:rgba(255,255,255,.5);
}
.reel-source-badge {
    position:absolute; top:10px; right:10px;
    padding:4px 10px; border-radius:100px;
    font-size:10px; font-weight:800; letter-spacing:.4px; text-transform:uppercase;
}
.reel-source-instagram { background:linear-gradient(135deg,#833ab4,#fd1d1d); color:#fff; }
.reel-source-youtube   { background:#ff0000; color:#fff; }

.reel-admin-body { padding:14px 16px; flex:1; }
.reel-admin-meta { display:flex; align-items:center; gap:8px; margin-bottom:8px; flex-wrap:wrap; }
.reel-tag-pill {
    padding:3px 10px; border-radius:100px;
    background:var(--accent-soft); color:var(--accent);
    font-size:10px; font-weight:700; letter-spacing:.4px;
}
.reel-admin-label { margin:0 0 4px; font-size:0.9rem; font-weight:700; color:#0f172a; }
.reel-admin-id    { margin:0; font-size:0.75rem; color:var(--muted); font-family:monospace; }

.reel-admin-actions {
    padding:12px 16px;
    border-top:1px solid var(--border);
    display:flex; gap:8px; flex-wrap:wrap;
}

/* Admin buttons */
.btn-admin-primary {
    display:inline-flex; align-items:center; gap:6px;
    padding:10px 20px; border-radius:12px;
    background:var(--accent); color:#fff;
    font-size:13px; font-weight:700; text-decoration:none; border:none; cursor:pointer;
    transition:.2s;
}
.btn-admin-primary:hover { background:#4338ca; transform:translateY(-1px); }

.btn-admin-secondary {
    display:inline-flex; align-items:center; gap:6px;
    padding:10px 20px; border-radius:12px;
    background:#f1f5f9; color:#334155;
    font-size:13px; font-weight:700; text-decoration:none; border:1px solid var(--border); cursor:pointer;
    transition:.2s;
}
.btn-admin-secondary:hover { background:#e2e8f0; }

.btn-admin-sm {
    display:inline-flex; align-items:center;
    padding:7px 14px; border-radius:9px;
    font-size:11.5px; font-weight:700; border:none; cursor:pointer; transition:.2s;
}
.btn-admin-danger  { background:rgba(239,68,68,.1);  color:#dc2626; }
.btn-admin-danger:hover  { background:rgba(239,68,68,.2); }
.btn-admin-warn    { background:rgba(245,158,11,.1);  color:#b45309; }
.btn-admin-warn:hover    { background:rgba(245,158,11,.2); }
.btn-admin-success { background:rgba(16,185,129,.1);  color:#047857; }
.btn-admin-success:hover { background:rgba(16,185,129,.2); }

/* Reel form */
.reel-form-card {
    background:#fff; border:1px solid var(--border);
    border-radius:24px; padding:32px;
    box-shadow:0 4px 20px rgba(15,23,42,.06);
    max-width:800px;
}

.form-group   { margin-bottom:22px; }
.form-row     { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
@media(max-width:600px){ .form-row { grid-template-columns:1fr; } }

.form-label    { display:block; margin-bottom:8px; font-size:13px; font-weight:700; color:#0f172a; }
.form-required { color:#ef4444; }
.form-optional { color:var(--muted); font-weight:600; }

.form-input {
    width:100%; padding:12px 16px; border-radius:12px;
    border:1.5px solid #e2e8f0; background:#f8fafc;
    font-size:14px; color:#0f172a; font-family:inherit;
    transition:border-color .2s;
}
.form-input:focus { outline:none; border-color:var(--accent); background:#fff; }
.input-error  { border-color:#ef4444; }
.form-error   { display:block; margin-top:6px; font-size:12px; color:#ef4444; font-weight:600; }
.form-hint    { margin-top:6px; font-size:12px; color:var(--muted); line-height:1.5; }

/* Source toggle */
.source-toggle { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.source-option {
    display:flex; flex-direction:column; align-items:center; gap:6px;
    padding:20px; border-radius:16px; cursor:pointer;
    border:2px solid #e2e8f0; background:#f8fafc; transition:.2s; text-align:center;
}
.source-option input[type="radio"] { display:none; }
.source-option.selected { border-color:var(--accent); background:var(--accent-soft); }
.source-icon { font-size:24px; }
.source-name { font-size:14px; font-weight:800; color:#0f172a; }
.source-desc { font-size:11px; color:var(--muted); }

/* Upload area */
.upload-area {
    border:2px dashed #cbd5e1; border-radius:16px; padding:28px;
    text-align:center; cursor:pointer; background:#f8fafc; transition:.2s;
}
.upload-area:hover { border-color:var(--accent); background:var(--accent-soft); }
.upload-icon  { font-size:32px; margin-bottom:8px; }
.upload-text  { margin:0 0 6px; font-size:14px; font-weight:700; color:#334155; }
.upload-hint  { margin:0; font-size:12px; color:var(--muted); }

/* Form check */
.form-check { display:flex; align-items:center; gap:10px; cursor:pointer; font-size:14px; font-weight:600; }
.form-check input[type="checkbox"] { width:18px; height:18px; accent-color:var(--accent); }

.form-actions {
    display:flex; gap:12px; justify-content:flex-end;
    padding-top:24px; border-top:1px solid var(--border); margin-top:8px;
}

.current-thumb { margin-bottom:14px; }

/* Public videos page grid */
.vp-grid {
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
}
@media(max-width:900px){ .vp-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:520px){ .vp-grid{ grid-template-columns:repeat(2,1fr); gap:12px; } }