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

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --border: #475569;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-dark: #1d4ed8;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.wrapper {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    padding: 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.sidebar nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    font-size: 14px;
}

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

.nav-item.active {
    background: var(--accent);
    color: white;
}

.nav-item .icon {
    font-size: 18px;
}

/* Main Content */
.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-left h1 {
    font-size: 28px;
}

.admin-info {
    color: var(--text-muted);
    font-size: 14px;
}

.container {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 24px;
    border-radius: 8px;
    margin-bottom: 24px;
}

.card h2 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    padding: 24px;
    border-radius: 8px;
    text-align: center;
}

.stat-card.status-active {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.05);
}

.stat-card.status-inactive {
    border-color: var(--warning);
    background: rgba(245, 158, 11, 0.05);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-muted);
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 14px;
}

input, textarea, select {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s;
    font-family: inherit;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 16px;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-dark);
}

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

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

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

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

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

.btn-success:hover {
    background: #059669;
}

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

.btn-warning:hover {
    background: #d97706;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
    margin-right: 6px;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.table thead {
    border-bottom: 2px solid var(--border);
}

.table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.table tr:hover {
    background: rgba(59, 130, 246, 0.05);
}

code {
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    color: #fbbf24;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #a7f3d0;
    border-color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border-color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #fde68a;
    border-color: var(--warning);
}

/* Text Utilities */
.text-muted {
    color: var(--text-muted);
}

.text-success {
    color: var(--success);
}

.text-danger {
    color: var(--danger);
}

.text-warning {
    color: var(--warning);
}

/* Responsive */
@media (max-width: 768px) {
    .wrapper {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        flex-direction: row;
        align-items: center;
        padding: 15px;
        border-right: none;
        border-bottom: 1px solid var(--border);
        overflow-y: visible;
        overflow-x: auto;
    }

    .logo {
        margin-bottom: 0;
        margin-right: 20px;
    }

    .sidebar nav {
        flex-direction: row;
        flex: 1;
    }

    .topbar {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .table {
        font-size: 12px;
    }

    .table th, .table td {
        padding: 8px;
    }

    .btn-small {
        display: block;
        margin: 4px 0;
        width: 100%;
    }

    .container {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .sidebar nav {
        gap: 4px;
    }

    .nav-item {
        padding: 8px 10px;
        font-size: 12px;
    }

    .card {
        padding: 16px;
    }

    .btn-small {
        padding: 4px 8px;
        font-size: 11px;
    }
}