:root {
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --background: #f8fafc;
    --surface: #ffffff;
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --border: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --radius: 0.5rem;

    /* UI Elements */
    --hover-bg: #eff6ff;

    /* Badges */
    --badge-success-bg: #dcfce7;
    --badge-success-text: #166534;
    --badge-warning-bg: #fef3c7;
    --badge-warning-text: #92400e;
    --badge-error-bg: #fee2e2;
    --badge-error-text: #991b1b;
    --badge-info-bg: #dbeafe;
    --badge-info-text: #1e40af;
    --radius: 0.5rem;
}

[data-theme="dark"] {
    --primary: #3b82f6;
    --primary-dark: #60a5fa;
    --secondary: #94a3b8;
    --background: #0f172a;
    --surface: #1e293b;
    --text: #f8fafc;
    --text-muted: #94a3b8;
    --border: #334155;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.5);

    /* UI Elements dark */
    --hover-bg: #1e293b;

    /* Badges dark */
    --badge-success-bg: #064e3b;
    --badge-success-text: #a7f3d0;
    --badge-warning-bg: #78350f;
    --badge-warning-text: #fde68a;
    --badge-error-bg: #7f1d1d;
    --badge-error-text: #fecaca;
    --badge-info-bg: #1e3a8a;
    --badge-info-text: #bfdbfe;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.5;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--primary-dark);
}

/* Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: var(--surface);
    border-right: 1px solid var(--border);
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.sidebar-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--primary);
}

.nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--hover-bg);
    color: var(--primary);
}

.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

/* Components */
.card {
    background-color: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text);
}

.grid {
    display: grid;
    gap: 1.5rem;
}

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

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

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }

    .app-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

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

th,
td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

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

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

.badge-error {
    background-color: var(--badge-error-bg);
    color: var(--badge-error-text);
}

.badge-info {
    background-color: var(--badge-info-bg);
    color: var(--badge-info-text);
}