@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #0f111a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --border-color: rgba(255, 255, 255, 0.1);
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --success: #10b981;
    --danger: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,0.2) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,0.2) 0, transparent 50%);
}

.sidebar {
    width: 260px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
}

.brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 2.5rem;
    text-align: center;
    background: linear-gradient(135deg, #a855f7, #6366f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-item {
    padding: 0.8rem 1.2rem;
    margin-bottom: 0.5rem;
    border-radius: 0.5rem;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    display: block;
}

.nav-item:hover, .nav-item.active {
    background: rgba(99, 102, 241, 0.15);
    color: var(--primary);
}

.main-content {
    flex: 1;
    padding: 2.5rem;
    overflow-y: auto;
}

.header {
    margin-bottom: 2rem;
}

.header h1 {
    font-size: 2rem;
    font-weight: 600;
}

.card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 0.5rem;
    color: white;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-container {
    background: var(--bg-card);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(0,0,0,0.2);
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    border-radius: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    text-decoration: none;
    color: white;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}