/* 正则表达式测试工具样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.page-header {
    margin-bottom: 30px;
    text-align: center;
}

.page-header h1 {
    color: #333;
    margin-bottom: 10px;
    font-size: 2.2rem;
}

.page-subtitle {
    color: #666;
    font-size: 1.1rem;
}

.tool-container {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.regex-input-container {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.regex-input {
    flex: 1;
    min-width: 300px;
}

.regex-input input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: monospace;
    font-size: 16px;
    transition: border-color 0.3s;
}

.regex-input input:focus {
    border-color: #4318ff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(67, 24, 255, 0.2);
}

.flags-container {
    display: flex;
    gap: 15px;
    padding: 12px 15px;
    background: #f8f9fa;
    border-radius: 5px;
    flex-wrap: wrap;
}

.flag-option {
    display: flex;
    align-items: center;
    gap: 5px;
}

.flag-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.flag-option label {
    cursor: pointer;
    font-size: 14px;
    color: #555;
}

.editor-container {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.editor {
    flex: 1;
    position: relative;
    margin-top: 30px;
    min-width: 300px;
}

.editor-label {
    position: absolute;
    top: -30px;
    left: 0;
    color: #555;
    font-size: 16px;
    font-weight: 500;
}

textarea {
    width: 100%;
    height: 300px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: monospace;
    resize: none;
    font-size: 15px;
    line-height: 1.6;
    transition: border-color 0.3s;
}

textarea:focus {
    border-color: #4318ff;
    outline: none;
    box-shadow: 0 0 0 2px rgba(67, 24, 255, 0.2);
}

.result-container {
    width: 100%;
    height: 300px;
    background: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 15px;
    overflow-y: auto;
    font-family: monospace;
    font-size: 15px;
    line-height: 1.6;
}

.match {
    background-color: #90caf9;
    padding: 2px 4px;
    border-radius: 3px;
    display: inline-block;
}

.group {
    background-color: #a5d6a7;
    padding: 4px 8px;
    border-radius: 3px;
    margin: 4px 0;
    display: block;
}

.match-info {
    margin: 15px 0;
    padding: 15px;
    background: #fff;
    border-radius: 5px;
    border: 1px solid #ddd;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.examples-container {
    margin-top: 30px;
    border-top: 1px solid #eee;
    padding-top: 30px;
}

.examples-container h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 18px;
}

#examples {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 15px;
}

.example-item {
    cursor: pointer;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    transition: all 0.3s;
    background: #f8f9fa;
    height: 100%;
}

.example-item:hover {
    background-color: #f0f0f0;
    border-color: #ccc;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.05);
}

.example-item strong {
    color: #333;
    display: block;
    margin-bottom: 5px;
}

.error-message {
    color: #f44336;
    background-color: rgba(244, 67, 54, 0.1);
    padding: 10px 15px;
    border-radius: 5px;
    margin-top: 15px;
    display: none;
    font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .regex-input-container {
        flex-direction: column;
    }
    
    .regex-input, .flags-container {
        width: 100%;
    }
    
    .editor-container {
        flex-direction: column;
    }
    
    .editor {
        width: 100%;
    }
    
    #examples {
        grid-template-columns: 1fr;
    }
}