body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f5f5f5;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 30px;
}


h1,
h2 {
    color: #2c3e50;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}

th,
td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f8f9fa;
    font-weight: 600;
}

tr:hover {
    background-color: #f1f1f1;
}

.btn {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
}

.btn:hover {
    background-color: #2980b9;
}

.kuota-form {
    display: flex;
    align-items: center;
    gap: 10px;
}

.kuota-form input {
    width: 80px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.status {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.status-available {
    background-color: #d4edda;
    color: #155724;
}

.tab {
    overflow: hidden;
    border: 1px solid #ccc;
    background-color: #f1f1f1;
    margin-bottom: 20px;
}

.tab button {
    background-color: inherit;
    float: left;
    border: none;
    outline: none;
    cursor: pointer;
    padding: 14px 16px;
    transition: 0.3s;
    font-size: 16px;
    color: #1a252f;
}

.tab button:hover {
    background-color: #ddd;
}

.tab button.active {
    background-color: #2c3e50;
    color: white;
}

.status-full {
    background-color: #f8d7da;
    color: #721c24;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}


input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.desain-options {
    display: flex;
    /* justify-content: space-between;
    flex-direction: column; */
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.desain-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
    min-width: 200px;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    position: relative;
}

.desain-card.disabled {
    opacity: 0.6;
    background-color: #f9f9f9;
}

.kuota-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: #3498db;
    color: white;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
}

.kuota-penuh {
    background-color: #e74c3c;
}

button {
    background-color: #2c3e50;
    color: white;
    border: none;
    padding: 12px 20px;
    cursor: pointer;
    font-size: 16px;
    border-radius: 4px;
    width: 100%;
}

button:hover {
    background-color: #1a252f;
}

.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.tabcontent {
    display: none;
    padding: 20px;
    border: 1px solid #ccc;
    border-top: none;
}

.tablinks {
    color: #1a252f;
}

.error {
    height: 16px;
    color: red;
    font-size: small;
    line-height: 16px;
}

/* admin panel */
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.logout-btn {
    padding: 8px 16px;
    background-color: #f44336;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
}

.logout-btn:hover {
    background-color: #d32f2f;
}

/* change pw */
.password-container {
    max-width: 500px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: flex;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.btn-primary {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #45a049;
}

.btn-secondary {
    padding: 10px 20px;
    background-color: #f0f0f0;
    color: #333;
    border: none;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
    margin-left: 10px;
}

.error-message {
    color: #f44336;
    margin-bottom: 15px;
}

.success-message {
    color: #4CAF50;
    margin-bottom: 15px;
}

/* login */
.login-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.login-form {
    display: flex;
    flex-direction: column;
}

.login-form input {
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.login-form button {
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.login-form button:hover {
    background-color: #45a049;
}

input[type="radio"]{
    margin-right: 4%;
    margin-left: 0;
    width: 8%;
}

.container a {
    color: white;
    font-weight: 500;
    text-decoration: none;
    background-color: #424344;
    padding: 12px;
    border-radius: 4px;
}

.container a:hover {
    background-color: #1a252f;
}