/* ═══════════════════════════════════════════
   IPTV Admin Panel — Premium Dark Theme
   ═══════════════════════════════════════════ */

:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a2e;
    --bg-input: #16213e;
    --border: #2a2a4a;
    --accent: #6c63ff;
    --accent-hover: #7b73ff;
    --accent-glow: rgba(108, 99, 255, 0.3);
    --danger: #ff5252;
    --danger-hover: #ff6b6b;
    --success: #00e676;
    --warning: #ffab40;
    --text-primary: #ffffff;
    --text-secondary: rgba(255,255,255,0.7);
    --text-tertiary: rgba(255,255,255,0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

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

/* ── Layout ── */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    padding: 24px 0;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-logo {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.sidebar-logo h1 {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent), #00d2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-logo small {
    color: var(--text-tertiary);
    font-size: 11px;
}

.nav-section {
    padding: 8px 12px;
    color: var(--text-tertiary);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 24px;
    color: var(--text-secondary);
    transition: all 0.2s;
    border-left: 3px solid transparent;
    font-size: 14px;
}

.nav-item:hover, .nav-item.active {
    background: rgba(108, 99, 255, 0.08);
    color: var(--text-primary);
    border-left-color: var(--accent);
}

.nav-item .icon { font-size: 18px; width: 24px; text-align: center; }

.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 32px;
    min-height: 100vh;
}

/* ── Top Bar ── */
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.topbar h2 {
    font-size: 28px;
    font-weight: 700;
}

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

/* ── Cards ── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}

.stat-card .stat-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
}

.stat-card .stat-label {
    color: var(--text-tertiary);
    font-size: 13px;
    margin-top: 4px;
}

/* ── Tables ── */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead th {
    background: var(--bg-secondary);
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
    border-bottom: 1px solid var(--border);
}

tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(42, 42, 74, 0.5);
    font-size: 14px;
    color: var(--text-secondary);
}

tbody tr:hover { background: rgba(108, 99, 255, 0.04); }
tbody tr:last-child td { border-bottom: none; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover { background: var(--accent-hover); box-shadow: 0 0 16px var(--accent-glow); }

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

.btn-sm { padding: 5px 10px; font-size: 12px; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

/* ── Forms ── */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

select.form-control { cursor: pointer; }
textarea.form-control { min-height: 80px; resize: vertical; }

/* ── Badges ── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}
.badge-success { background: rgba(0,230,118,0.15); color: var(--success); }
.badge-danger { background: rgba(255,82,82,0.15); color: var(--danger); }
.badge-warning { background: rgba(255,171,64,0.15); color: var(--warning); }
.badge-info { background: rgba(108,99,255,0.15); color: var(--accent); }

/* ── Modal ── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 500;
    display: none;
    justify-content: center;
    align-items: center;
}
.modal-backdrop.active { display: flex; }

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    width: 90%;
    max-width: 520px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}

.modal h3 {
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

/* ── Alert ── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-success { background: rgba(0,230,118,0.1); color: var(--success); border: 1px solid rgba(0,230,118,0.2); }
.alert-error { background: rgba(255,82,82,0.1); color: var(--danger); border: 1px solid rgba(255,82,82,0.2); }

/* ── Login Page ── */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
}

.login-card {
    width: 380px;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
    text-align: center;
}

.login-card h1 {
    font-size: 24px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--accent), #00d2ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-card p {
    color: var(--text-tertiary);
    margin-bottom: 32px;
    font-size: 14px;
}

.login-card .btn-primary {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    margin-top: 8px;
}

/* ── Toggle Switch ── */
.toggle {
    position: relative;
    width: 40px;
    height: 22px;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 22px;
    cursor: pointer;
    transition: 0.3s;
}
.toggle .slider::before {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: white;
    left: 3px;
    top: 3px;
    transition: 0.3s;
}
.toggle input:checked + .slider { background: var(--accent); }
.toggle input:checked + .slider::before { transform: translateX(18px); }

/* ── Responsive ── */
@media (max-width: 768px) {
    .sidebar { width: 0; padding: 0; overflow: hidden; }
    .main-content { margin-left: 0; padding: 16px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}