/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 页面通用样式 */
body {
    max-width: 800px;
    margin: 50px auto;
    padding: 0 20px;
    font-family: "Microsoft YaHei", sans-serif;
    background-color: #f5f5f5;
    color: #34495e;
}

h1 {
    color: #2c3e50;
    text-align: center;
    margin: 20px 0 30px;
}

/* 返回主页按钮 */
.back-btn {
    display: inline-block;
    margin-bottom: 10px;
    padding: 8px 16px;
    background-color: #95a5a6;
    color: white;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.2s;
    font-size: 14px;
}

.back-btn:hover {
    background-color: #7f8c8d;
}

/* 进制转换器整体样式 */
.converter {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 输入区域样式 */
.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: #2c3e50;
    font-weight: bold;
}

.input-row {
    display: flex;
    gap: 10px;
}

select, input[type="text"] {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    flex: 1;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 14px;
}

input[type="text"] {
    flex: 3;
}

/* 错误提示样式 */
.error-tip {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

/* 按钮组样式 */
.btn-group {
    margin-bottom: 20px;
    display: flex;
    gap: 10px;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-family: "Microsoft YaHei", sans-serif;
    font-size: 14px;
    transition: background-color 0.2s;
}

.convert-btn {
    background-color: #2980b9;
    color: white;
}

.convert-btn:hover {
    background-color: #1f618d;
}

.clear-btn {
    background-color: #95a5a6;
    color: white;
}

.clear-btn:hover {
    background-color: #7f8c8d;
}

/* 结果区域样式 */
.result-group {
    margin-top: 20px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #eee;
    margin-bottom: 5px;
}

.result-item span:first-child {
    color: #34495e;
    font-size: 14px;
}

.result-content {
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-item span:last-child {
    color: #2c3e50;
    font-family: "Consolas", monospace;
    font-size: 14px;
}

/* 复制按钮样式 */
.copy-btn {
    padding: 5px 10px;
    background-color: #f0f0f0;
    color: #666;
    font-size: 12px;
}

.copy-btn:hover {
    background-color: #e0e0e0;
}

/* 响应式适配（手机端） */
@media (max-width: 600px) {
    .input-row {
        flex-direction: column;
    }
    input[type="text"] {
        flex: 1;
    }
    .btn-group {
        flex-direction: column;
    }
    .result-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}