* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background-color: #ffffff;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    background: #ffffff;
    padding: 0;
}

.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    border-bottom: 1px solid #e0e0e0;
}

.logo {
    width: 80px;
    height: 80px;
    background: #4CAF50;
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 24px;
}

.header h1 {
    font-size: 28px;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.3;
}

.header p {
    color: #666;
    font-size: 16px;
    margin-bottom: 20px;
}

.ukg-info {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 30px;
    border-left: 4px solid #4CAF50;
}

.form-container {
    padding: 0;
}

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
    font-size: 15px;
}

.required {
    color: #e53e3e;
    margin-left: 2px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    background-color: #ffffff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

input::placeholder,
textarea::placeholder {
    color: #9ca3af;
}

select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

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

.radio-group {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkbox-item:hover {
    background-color: #f9fafb;
    border-color: #4CAF50;
}

.checkbox-item.checked {
    background-color: #f0f9ff;
    border-color: #4CAF50;
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin-top: 20px;
}

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

.submit-btn:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
}

.footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    color: #666;
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 0 10px;
    }

    .header h1 {
        font-size: 24px;
    }

    .radio-group {
        flex-direction: column;
        gap: 12px;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    input[type="text"],
    input[type="email"],
    input[type="tel"],
    input[type="date"],
    select,
    textarea {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 20px;
    }

    .logo {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }
}

/* Loading state */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid #c3e6cb;
    display: none;
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
    display: none;
}

/* Wrapper untuk file upload, memastikan gaya hanya berlaku pada bagian ini */
.file-upload-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 100%;
}

/* Gaya untuk box upload */
.file-upload-box {
    width: 100%;
    height: 150px;
    border: 2px dashed #ccc;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    flex-direction: column;
    padding: 20px;
    background-color: #fafafa;
    cursor: pointer;
    border-radius: 8px;
    transition: background-color 0.3s, border-color 0.3s;
    position: relative;
}

/* Teks di dalam box */
.file-upload-text {
    font-size: 16px;
    color: #888;
}

/* Teks batas ukuran */
.file-size-info {
    font-size: 12px;
    color: #999;
    margin-top: 10px;
}

/* Teks file yang dipilih */
.file-name {
    margin-top: 10px;
    font-size: 14px;
    color: #555;
}

/* Mengubah warna saat hover */
.file-upload-box:hover {
    background-color: #eaeaea;
    border-color: #aaa;
}

/* Menyembunyikan input file asli */
.file-input {
    display: none;
}

/* Gaya untuk file input setelah file dipilih */
.file-upload-wrapper .file-upload-box.selected {
    background-color: #d3ffd3;
    border-color: #4CAF50;
}

.file-upload-wrapper .file-upload-box.selected .file-upload-text {
    color: #4CAF50;
}