/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 容器样式 */
.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
    color: #7f8c8d;
}

/* 主内容区域 */
main {
    flex: 1;
}

/* 搜索区域样式 */
.search-section {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.input-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

#idiom-input {
    flex: 1;
    padding: 15px;
    font-size: 1.2rem;
    border: 2px solid #ddd;
    border-radius: 6px;
    transition: border-color 0.3s ease;
}

#idiom-input:focus {
    outline: none;
    border-color: #3498db;
}

.search-btn {
    padding: 15px 30px;
    font-size: 1.2rem;
    background-color: #3498db;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

/* 结果区域样式 */
.result-section {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.result-content {
    min-height: 200px;
}

.placeholder {
    text-align: center;
    color: #95a5a6;
    font-style: italic;
    padding: 50px 0;
}

/* 成语详情卡片样式 */
.idiom-card {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.idiom-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid #eee;
}

.idiom-name {
    font-size: 2.2rem;
    font-weight: bold;
    color: #2c3e50;
    margin-right: 15px;
    margin-bottom: 10px;
}

.idiom-pinyin {
    font-size: 1.2rem;
    color: #e74c3c;
    margin-bottom: 10px;
}

/* 成语信息区域样式 */
.idiom-info {}
/* 已保留此选择器以备未来扩展 */

.info-item {
    margin-bottom: 15px;
}

.info-label {
    font-weight: bold;
    color: #34495e;
    display: inline-block;
    min-width: 80px;
}

.info-value {
    color: #7f8c8d;
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 50px 0;
}

.loading::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 错误提示样式 */
.error-message {
    text-align: center;
    color: #e74c3c;
    padding: 50px 0;
}

/* 页脚样式 */
footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    #idiom-input,
    .search-btn {
        width: 100%;
        font-size: 1rem;
    }
    
    .idiom-name {
        font-size: 1.8rem;
    }
    
    .search-section,
    .result-section {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    .idiom-name {
        font-size: 1.6rem;
    }
}