body {
    margin: 0;
    font-family: sans-serif;
    background: #0f172a;
    color: white;
}

.sidebar {
    width: 200px;
    height: 100vh;
    position: fixed;
    background: #111827;
    padding: 20px;
}

.sidebar a {
    display: block;
    color: #9ca3af;
    margin: 10px 0;
    text-decoration: none;
}

.sidebar a:hover {
    color: white;
}

.content {
    margin-left: 220px;
    padding: 20px;
}

.card {
    background: #1f2937;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 10px;
}

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

th, td {
    padding: 10px;
    text-align: center;
}

tr:nth-child(even) {
    background: #111827;
}

.badge {
    padding: 5px 10px;
    border-radius: 8px;
}

.green { background: #065f46; }
.red { background: #7f1d1d; }

button {
    padding: 8px 15px;
    background: #2563eb;
    border: none;
    border-radius: 8px;
    color: white;
}