/* Admin Modern Dark Gold Theme */
:root {
    --bg-main: #0c0d12;
    --bg-card: #151720;
    --bg-card-hover: #1c1f2b;
    --bg-input: #1b1d28;
    --border-color: rgba(255, 215, 0, 0.15);
    --border-subtle: rgba(255, 255, 255, 0.08);
    --gold: #f5c518;
    --gold-glow: rgba(245, 197, 24, 0.2);
    --gold-gradient: linear-gradient(135deg, #ffd700, #d4af37, #aa820a);
    --text-primary: #ffffff;
    --text-secondary: #9aa0b4;
    --text-muted: #656a7b;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --font: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font);
    line-height: 1.5;
    min-height: 100vh;
}

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

/* Sidebar */
.admin-sidebar {
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}
.sidebar-brand {
    padding: 24px 20px;
    font-size: 18px;
    font-weight: 700;
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--border-subtle);
}
.sidebar-menu {
    list-style: none;
    padding: 16px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}
.sidebar-link:hover {
    background: rgba(245, 197, 24, 0.08);
    color: var(--gold);
}
.sidebar-link.active {
    background: var(--gold-gradient);
    color: #000;
    font-weight: 600;
    box-shadow: 0 4px 15px var(--gold-glow);
}
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border-subtle);
}

/* Main Content */
.admin-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}
.admin-header {
    height: 70px;
    padding: 0 32px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.admin-body {
    padding: 32px;
    flex: 1;
}

/* Typography & Badges */
h1, h2, h3, h4 { color: var(--text-primary); font-weight: 600; }
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
}
.badge-gold { background: rgba(245, 197, 24, 0.15); color: var(--gold); border: 1px solid var(--border-color); }
.badge-success { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-danger { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-info { background: rgba(59, 130, 246, 0.15); color: var(--info); }

/* Cards & Stats */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: var(--gold-gradient);
    opacity: 0.6;
}
.stat-card .label { font-size: 13px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .value { font-size: 32px; font-weight: 700; color: var(--text-primary); margin-top: 6px; }
.stat-card .desc { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }

/* Panels & Tables */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}
.table-responsive {
    overflow-x: auto;
}
table.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
table.admin-table th {
    background: rgba(255, 255, 255, 0.02);
    padding: 12px 16px;
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border-subtle);
}
table.admin-table td {
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
}
table.admin-table tr:hover td {
    background: rgba(255, 215, 0, 0.02);
    color: var(--text-primary);
}

/* Forms & Buttons */
.form-group {
    margin-bottom: 18px;
}
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}
.form-control:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 2px var(--gold-glow);
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}
.btn-gold {
    background: var(--gold-gradient);
    color: #000;
}
.btn-gold:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px var(--gold-glow);
}
.btn-danger { background: var(--danger); color: #fff; }
.btn-secondary { background: rgba(255, 255, 255, 0.08); color: var(--text-primary); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.15); }
.btn-sm { padding: 6px 12px; font-size: 12px; border-radius: var(--radius-sm); }

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
}
.alert-success { background: rgba(16, 185, 129, 0.15); border: 1px solid var(--success); color: #34d399; }
.alert-danger { background: rgba(239, 68, 68, 0.15); border: 1px solid var(--danger); color: #f87171; }