html, body {
    height: 100%;
    margin: 0;
    font-family: "Microsoft YaHei", Arial, sans-serif;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* 防止页面溢出 */
}

.toolbar {
    height: 50px; /* 增加一点高度以适配标题 */
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 15px;
    background: linear-gradient(45deg, #64c2ea75, #e863ff7a);
    color: white;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);
    flex-shrink: 0; /* 不让 toolbar 压缩 */
}

.toolbar .title {
    font-size: 50px; /* 调整字体大小，避免过大影响布局 */
    font-weight: bold;
    background: linear-gradient(45deg, #64c1ea, #e863ff);
    -webkit-background-clip: text;
    color: transparent;
    white-space: nowrap; /* 避免标题换行 */
}

.save-btn {
    padding: 6px 15px;
    border: none;
    border-radius: 5px;
    background-color: #0056b3;
    color: white;
    cursor: pointer;
    font-size: 16px;
    transition: transform 0.2s ease-in-out, background 0.3s ease-in-out;
}

.save-btn:hover {
    background-color: #003d80;
    transform: scale(1.1);
}

.container {
    flex: 1;
    display: flex;
    flex-direction: row;
    height: calc(100% - 50px); /* 让它正确填充剩余空间 */
    overflow: hidden; /* 避免溢出 */
}

.editor, .preview {
    flex: 1;
    border: 2px solid #ddd;
    border-radius: 5px;
    padding: 10px; /* 两者都保持相同的内边距 */
    background-color: #f2f2f2;
    overflow-y: auto;
    display: flex; /* 让内容填满整个区域 */
}

textarea {
    width: 100%;
    height: 100%; /* 填充整个编辑器 */
    border: none;
    font-size: 16px;
    padding: 10px;
    resize: none; /* 禁用拖动 */
    font-family: "Microsoft YaHei", Arial, sans-serif;
}

.import-btn {
    padding: 6px 15px;
    border: none;
    border-radius: 5px;
    background-color: #28a745;
    color: white;
    cursor: pointer;
    font-size: 16px;
    transition: transform 0.2s ease-in-out, background 0.3s ease-in-out;
}

.import-btn:hover {
    background-color: #218838;
    transform: scale(1.1);
}