/* ============================================================
   OID Video Server – Admin Stylesheet
   Modern Dark Theme
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    --border: #334155;
    --border-focus: #38bdf8;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --warning: #f59e0b;
    --info: #6366f1;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 25px 50px rgba(0, 0, 0, 0.4);
    --transition: all 0.2s ease;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

html {
    font-size: 15px;
}

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

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

a:hover {
    color: var(--accent-hover);
}

/* --- Navbar --- */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.nav-brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-brand a {
    color: inherit;
    text-decoration: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-user {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-right: 0.5rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

a.nav-user:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* --- Container --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.container-narrow {
    max-width: 720px;
}

/* --- Page Header --- */
.page-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.55rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
    font-family: var(--font);
}

.btn:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: #0f172a;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #0f172a;
}

.btn-success {
    background: var(--success);
    color: #0f172a;
    border-color: var(--success);
}

.btn-success:hover {
    background: #16a34a;
    border-color: #16a34a;
    color: #0f172a;
}

.btn-danger {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.btn-danger:hover {
    background: #dc2626;
    border-color: #dc2626;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
}

.btn-outline:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-sm {
    padding: 0.35rem 0.85rem;
    font-size: 0.82rem;
}

.btn-xs {
    padding: 0.2rem 0.55rem;
    font-size: 0.78rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* --- Badge --- */
.badge {
    display: inline-block;
    padding: 0.15rem 0.65rem;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 999px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-info {
    background: rgba(99, 102, 241, 0.15);
    color: #818cf8;
}

.badge-genre {
    background: rgba(34, 197, 94, 0.12);
    color: #4ade80;
}

/* --- Alerts --- */
.alert {
    padding: 0.85rem 1.2rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    border: 1px solid transparent;
}

.alert ul {
    margin-top: 0.4rem;
    padding-left: 1.3rem;
}

.alert-success {
    background: var(--success-bg);
    color: #4ade80;
    border-color: rgba(34, 197, 94, 0.25);
}

.alert-error {
    background: var(--danger-bg);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.25);
}

/* --- Search Bar --- */
.search-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.search-select {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.88rem;
    font-family: var(--font);
    cursor: pointer;
    min-width: 140px;
}

.search-input {
    flex: 1;
    min-width: 200px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.85rem;
    font-size: 0.9rem;
    font-family: var(--font);
    transition: var(--transition);
}

.search-input:focus,
.search-select:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
}

/* --- Table --- */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.7rem 0.85rem;
    text-align: left;
    white-space: nowrap;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid rgba(51, 65, 85, 0.5);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: var(--transition);
}

.data-table tbody tr:hover {
    background: rgba(56, 189, 248, 0.04);
}

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

.sort-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.sort-link:hover {
    color: var(--accent);
}

.url-cell {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nowrap {
    white-space: nowrap;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.actions-cell {
    white-space: nowrap;
    display: flex;
    gap: 0.3rem;
}

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }

/* --- Pagination --- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
}

.page-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- Forms --- */
.form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-top: 1.5rem;
}

.form-group {
    margin-bottom: 1.3rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
    font-family: var(--font);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.12);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-hint {
    display: block;
    margin-top: 0.3rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.meta-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.82rem;
}

/* --- Login Page --- */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.3rem;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 0.75rem;
        text-align: center;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }

    .search-bar {
        flex-direction: column;
    }

    .search-select {
        min-width: auto;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 1rem;
    }

    .data-table {
        font-size: 0.82rem;
    }
}