/* 基本樣式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft JhengHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 標題區域 */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

nav {
    text-align: center;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 1rem;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 主要內容區域 */
main {
    display: grid;
    gap: 2rem;
}

/* 查詢區域 */
.query-section {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.query-section h2 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #555;
}

.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    resize: vertical;
    transition: border-color 0.3s;
}

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

/* 按鈕樣式 */
.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-2px);
}

/* 表格區域 */
.tables-section {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.tables-section h2 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.tables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.table-card {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #e9ecef;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.table-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.table-card h3 {
    color: #495057;
    margin-bottom: 0.5rem;
}

.table-card p {
    color: #6c757d;
    margin-bottom: 1rem;
}

/* 結果顯示區域 */
.results-section {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.results-section h2 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.results-info {
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: #e3f2fd;
    border-radius: 5px;
    border-left: 4px solid #2196f3;
}

.results-info p {
    color: #1976d2;
    font-weight: bold;
}

/* 響應式表格 */
.table-responsive {
    overflow-x: auto;
    margin-top: 1rem;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.data-table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.data-table th {
    font-weight: bold;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr {
    transition: background-color 0.3s;
}

.data-table tbody tr:hover {
    background-color: #f8f9fa;
}

.data-table tbody tr:nth-child(even) {
    background-color: #fafafa;
}

.data-table tbody tr:nth-child(even):hover {
    background-color: #f0f0f0;
}

/* 無結果顯示 */
.no-results {
    text-align: center;
    padding: 3rem;
    color: #6c757d;
}

.no-results p {
    font-size: 1.2rem;
}

/* 錯誤訊息 */
.error-section {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 5px;
    border-left: 4px solid #dc3545;
}

.error-message h3 {
    margin-bottom: 0.5rem;
}

/* 頁尾 */
footer {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
    margin-top: 3rem;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header {
        padding: 1.5rem;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    nav a {
        display: block;
        margin: 0.5rem 0;
    }
    
    .query-section,
    .tables-section,
    .results-section {
        padding: 1rem;
    }
    
    .tables-grid {
        grid-template-columns: 1fr;
    }
    
    .data-table {
        font-size: 0.9rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.5rem;
    }
}

/* 載入動畫 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}