:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-dark: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    background: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    overflow-x: hidden;
}

.auth-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top right, #1e1b4b, #0f172a);
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.btn-primary {
    background: var(--primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    height: 100vh;
    position: fixed;
    border-right: 1px solid var(--glass-border);
}

.main-content {
    margin-left: 280px;
    padding: 2rem;
    min-height: 100vh;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.table-glass {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 10px;
}

.table-glass th {
    color: var(--text-muted);
    font-weight: 500;
    text-align: left;
    padding: 1rem;
}

.table-glass td {
    background: var(--card-bg);
    padding: 1rem;
}

.table-glass tr td:first-child { border-radius: 0.75rem 0 0 0.75rem; }
.table-glass tr td:last-child { border-radius: 0 0.75rem 0.75rem 0; }

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 0.5rem;
    margin: 0.25rem 1rem;
    transition: all 0.2s;
}

.nav-link.active, .nav-link:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.nav-link i { margin-right: 1rem; }