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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft JhengHei', '微軟正黑體', Arial, sans-serif;
    background: white;
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 40px;
}

h1 {
    color: black;
    margin-bottom: 30px;
    text-align: center;
    font-size: 2em;
}

h2 {
    color: #764ba2;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e0e0e0;
}
.header {
    text-align: center;
    margin-bottom: 20px;
}
.env-selector {
    background: #f5f5f5;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    gap: 20px;
}

.warning-box {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 30px;
    color: #856404;
    line-height: 1.6;
}

.warning-box strong {
    color: #d68910;
}

.env-selector label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: 500;
}

.form-section {
    margin-bottom: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="url"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
}

.form-group input[readonly] {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

.btn-primary {
    background: black;
    color: white;
    padding: 14px 30px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    margin-top: 20px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.file-upload-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.file-upload-item {
    padding: 15px;
    background: #f9f9f9;
    border-radius: 8px;
    border: 2px dashed #ddd;
    transition: border-color 0.3s;
}

.file-upload-item:hover {
    border-color: #667eea;
}

.file-upload-item label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #555;
    font-size: 14px;
}

.file-upload-item input[type="file"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
}

.result-section {
    margin-top: 30px;
    padding: 20px;
    background: #f9f9f9;
    border-radius: 8px;
}

.result-section h2 {
    margin-bottom: 15px;
}

#resultContent {
    background: #2d2d2d;
    color: #f8f8f2;
    padding: 20px;
    border-radius: 6px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

#resultContent.success {
    border-left: 4px solid #4caf50;
    color: #2e7d32;
    background: #e8f5e9;
}

#resultContent.error {
    border-left: 4px solid #f44336;
    color: #c62828;
    background: #ffebee;
}

#resultContent.loading {
    border-left: 4px solid #ff9800;
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }
    
    h1 {
        font-size: 1.5em;
    }
    
    .file-upload-grid {
        grid-template-columns: 1fr;
    }
    
    .env-selector {
        flex-direction: column;
        gap: 10px;
    }
}