body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    padding: 20px;
    color: #333;
}
.container {
    max-width: 900px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
h1, h2, h3 {
    color: #0056b3;
    border-bottom: 2px solid #f0f0f0;
    padding-bottom: 10px;
}
nav {
    background-color: #007bff;
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
nav a {
    color: white;
    padding: 10px 15px;
    text-decoration: none;
    font-weight: bold;
    border-radius: 5px;
    transition: background-color 0.3s;
}
nav a:hover, nav a.active {
    background-color: #0056b3;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
th, td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}
th {
    background-color: #f8f8f8;
    font-weight: 600;
}
tr:nth-child(even) {
    background-color: #fdfdfd;
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="datetime-local"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box; /* Penting agar padding tidak menambah width */
}
.btn {
    background-color: #007bff;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    text-decoration: none;
}
.btn-submit {
    background-color: #28a745;
}
.btn-submit:hover {
    background-color: #218838;
}
.btn-danger {
    background-color: #dc3545;
}
.btn-danger:hover {
    background-color: #c82333;
}
.btn-edit {
    background-color: #ffc107; /* Warna kuning */
    color: #212529;
}
.btn-edit:hover {
    background-color: #e0a800;
}
.stok-tersedia {
    color: green;
    font-weight: bold;
}
.stok-booking {
    color: #ff8c00;
    font-weight: bold;
}
.stok-minus {
    color: red;
    font-weight: bold;
}
.pesan {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    font-weight: bold;
}
.pesan-sukses {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}
.pesan-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}