:root {
    --bg-dark: #090d16;
    --bg-card: #111827;
    --border: #1f2937;
    --primary: #3b82f6;
    --danger: #ef4444;
    --text: #f9fafb;
    --text-muted: #9ca3af;
    --font: 'Plus Jakarta Sans', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font);
}

body {
    background-color: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
}

.hidden { display: none !important; }

/* LOGIN OVERLAY */
.admin-login-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.admin-login-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 32px;
    border-radius: 20px;
    width: 90%;
    max-width: 400px;
}

.admin-login-box h2 {
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.admin-login-box p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    background: #030712;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: #fff;
    outline: none;
}

.btn-admin-primary {
    width: 100%;
    padding: 12px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
}

.btn-admin-danger {
    padding: 6px 14px;
    background: var(--danger);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
}

/* HEADER & LAYOUT */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.admin-brand {
    font-size: 1.2rem;
    font-weight: 700;
}

.admin-container {
    display: flex;
    min-height: calc(100vh - 65px);
}

.admin-sidebar {
    width: 260px;
    background: #0d1322;
    border-right: 1px solid var(--border);
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 12px 16px;
    border-radius: 10px;
    text-align: left;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-item.active, .nav-item:hover {
    background: var(--primary);
    color: #fff;
}

.admin-main {
    flex: 1;
    padding: 32px;
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.admin-section h2 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

/* SETTING CARD */
.setting-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 600px;
}

.setting-info h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.setting-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* SWITCH TOGGLE */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input { opacity: 0; width: 0; height: 0; }

.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #374151;
    transition: .3s;
    border-radius: 26px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
}

input:checked + .slider { background-color: var(--primary); }
input:checked + .slider:before { transform: translateX(24px); }

/* TABLE */
.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.9rem;
}

.admin-table th, .admin-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    background: #1f2937;
    color: var(--text-muted);
    font-weight: 600;
}

/* STATS */
.stats-row {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    flex: 1;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
}

.stat-card .val {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary);
    display: block;
}

.stat-card .lbl {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.admin-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 20px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
}

.chart-card h4 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.adm-template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.adm-tpl-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    text-align: center;
}