body {
    background: #0b1120;
    color: #e2e8f0;
    font-family: 'Poppins', sans-serif;
}

.card {
    background: #111827;
    border: none;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border: none;
}

.sidebar {
    height: 100vh;
    background: #020617;
    padding: 20px;
}

.sidebar a {
    display: block;
    padding: 10px;
    color: #94a3b8;
    text-decoration: none;
}

.sidebar a:hover {
    color: #fff;
    background: #1e293b;
    border-radius: 8px;
}