body {
    font-family: Segoe UI, Arial, sans-serif;
    margin: 0;
    background-color: #f5f6f8;
    color: #222;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #1f2937;
    padding: 12px 24px;
}

.navbar .brand {
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    font-size: 1.1rem;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    margin-left: 18px;
}

.nav-links a:hover {
    color: #fff;
}

.container {
    max-width: 960px;
    margin: 24px auto;
    padding: 0 16px;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

.table th, .table td {
    padding: 8px 12px;
    border-bottom: 1px solid #e2e2e2;
    text-align: left;
}

.form-group {
    margin-bottom: 14px;
}

.form-control {
    width: 100%;
    padding: 6px 8px;
    box-sizing: border-box;
}

.btn {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 4px;
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.btn-primary { background-color: #2563eb; color: #fff; }
.btn-secondary { background-color: #6b7280; color: #fff; margin-left: 8px; }
.btn-danger { background-color: #dc2626; color: #fff; }

.footer {
    text-align: center;
    padding: 16px;
    color: #888;
    font-size: 0.85rem;
}