/* Umum */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

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

/* Sidebar */
.sidebar {
    width: 200px;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    background-color: #343a40;
    padding-top: 60px;
    color: white;
}

.sidebar a {
    display: block;
    padding: 12px 20px;
    color: #ddd;
    text-decoration: none;
    border-bottom: 1px solid #495057;
}

.sidebar a:hover {
    background-color: #495057;
    color: #fff;
}

.sidebar h5 {
    padding-left: 20px;
    margin-bottom: 10px;
    color: #adb5bd;
}

/* Header */
.header {
    background-color: #0d6efd;
    color: white;
    padding: 15px 20px;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

/* Butang */
.btn-primary,
.btn-warning,
.btn-success {
    width: 100%;
}

/* Jadual */
.table thead {
    background-color: #dee2e6;
}

.table td, .table th {
    vertical-align: middle;
}

/* Alert */
.alert {
    margin-top: 10px;
}

/* Borang Input */
input[type="text"],
textarea {
    border-radius: 4px;
}

/* Responsif */
@media (max-width: 768px) {
    .main-content {
        margin-left: 0;
        padding: 15px;
    }

    .sidebar {
        position: relative;
        height: auto;
        width: 100%;
    }
}