html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

html {
    overflow-x: hidden;
}

@keyframes squeezeBody {
    from {
        width: 100%;
    }

    to {
        width: calc(100% - 300px);
    }
}

@-webkit-keyframes squeezeBody {
    from {
        width: 100%;
    }

    to {
        width: calc(100% - 300px);
    }
}

@keyframes stretchBody {
    from {
        width: calc(100% - 300px);
    }

    to {
        width: 100%;
    }
}

@-webkit-keyframes stretchBody {
    from {
        width: calc(100% - 300px);
    }

    to {
        width: 100%;
    }
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Old Standard TT', serif;
    font-weight: bold;
}

h3 {
    border-bottom: 1px solid #ddd;
}

.serif {
    font-family: 'Old Standard TT', serif;
}

.top-bar {
    height: 45px;
    min-height: 45px;
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
}

.bars-lnk {
    color: #fff;
}

.bars-lnk i {
    display: inline-block;
    margin-left: 10px;
    margin-top: 7px;
}

.bars-lnk img {
    display: inline-block;
    margin-left: 10px;
    margin-top: -15px;
    margin-right: 15px;
    height: 35px;
}

.lateral-menu {
    background-color: #333;
    color: rgb(144, 144, 144);
    width: 300px;
    font-family: 'Open Sans', 'Myriad Pro', 'Lucida Grande', 'Lucida Sans Unicode', 'Lucida Sans', Geneva, Verdana, sans-serif;
}

.lateral-menu label {
    color: rgb(144, 144, 144);
}

.lateral-menu-content {
    padding-left: 10px;
    height: 100%;
    font-size: 12px;
    font-style: normal;
    font-variant: normal;
    font-weight: bold;
    line-height: 16px;
}

.lateral-menu-content .title {
    padding-top: 15px;
    font-size: 2em;
    height: 45px;
}

.lateral-menu-content-inner {
    overflow-y: auto;
    height: 100%;
    padding-top: 10px;
    padding-bottom: 50px;
    padding-right: 10px;
    font-size: 0.9em;
}

.toggle-menu-close {
    z-index: 1000;
    position: fixed;
    transition-duration: 0.5s;
    height: 100%;
    transition-property: top, bottom, left, right;
    width: 300px;
    top: 0px;
    bottom: 0px;
    left: -300px;
}


.container {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: stretch;
    width: 100%;
    height: 100%;
    padding-top: 65px;
}

.container-rd {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: stretch;
    padding: 3px;
}

.container>* {
    display: block;
    width: 50%;
    margin-left: 10px;
    margin-right: 10px;
    max-height: 100%;
}

.container textarea {
    resize: none;
    font-family: Consolas, "Liberation Mono", Courier, monospace;
    height: 97%;
    max-height: 97%;
    width: 45%;
}

.preview {
    height: 97%;
    max-height: 97%;
    border: 1px solid #eee;
    overflow-y: scroll;
    width: 55%;
    padding: 10px;
}

.preview-rd {
    height: 97%;
    max-height: 97%;
    border: 1px solid #eee;
    padding: 3px 10px;
}

pre {
    white-space: pre-wrap;
    /* css-3 */
    white-space: -moz-pre-wrap;
    /* Mozilla, since 1999 */
    white-space: -pre-wrap;
    /* Opera 4-6 */
    white-space: -o-pre-wrap;
    /* Opera 7 */
    word-wrap: break-word;
    /* Internet Explorer 5.5+ */
    background-color: #f8f8f8;
    border: 1px solid #dfdfdf;
    margin-top: 1.5em;
    margin-bottom: 1.5em;
    padding: 0.125rem 0.3125rem 0.0625rem;
}

pre code {
    background-color: transparent;
    border: 0;
    padding: 0;
}


.modal-wrapper {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 999;
    background-color: rgba(51, 51, 51, 0.5);
}

.modal-inner {
    margin-top: 200px;
    margin-left: auto;
    margin-right: auto;
    width: 600px;
    height: 225px;
    background-color: #fff;
    opacity: 1;
    z-index: 1000;
}

.modal-close-btn {
    float: right;
    margin-right: 5px;
    color: #ff4336;
}

.modal-close-btn:hover {
    float: right;
    margin-right: 5px;
    color: #8d0002;
}

.modal-topbar {
    clear: both;
    height: 25px;
}

.modal-inner .link-area {
    margin: 10px;
    height: 170px;

}

.modal-inner textarea {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

.version {
    color: white;
    font-size: 0.8em !important;
}

/* ========== 阅读模式样式start ========== */

/* 
  给阅读模式下的主容器设置相对定位，
  这样我们的绝对定位子元素才会相对于它来定位。
*/
#editor-wrapper.container-rd {
    position: relative;
}

/* 
  这是鼠标悬浮的热区，我们把它放在右上角。
  它本身是透明的，但可以捕获鼠标事件。
*/
.reader-mode-hover-area {
    position: fixed;
    top: 0;
    right: 0;
    /* 热区宽度 */
    width: 20px;
    /* 热区高度 */
    height: 20px;
    /* 确保它在最上层 */
    z-index: 1001;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 0.5rem;
}

/* 
  退出按钮的样式。
  Foundation框架已经提供了 .button .tiny .alert 样式，
  我们也可以添加一些微调。
*/
.exit-reader-button {
    align-items: center;

    /* 2. 控制图标大小 */
    /* 这是 'X' 的大小，你可以调整这个值 */
    font-size: 20px;

    /* 3. 使用 padding 创建圆形边距，并用 aspect-ratio 保证是正方形 */
    /* 这是 'X' 图标到圆形边缘的距离，是关键控制参数 */
    padding: 2px;
    /* 强制元素的宽高比为1:1，确保它在应用padding后仍是正方形 */
    aspect-ratio: 1 / 1;

    /* 4. 创建圆形和美化外观 */
    /* 将正方形变为圆形 */
    border-radius: 50%;
    /* 半透明背景 */
    background-color: rgba(0, 0, 0, 0.5);
    border: none;
    /* 图标颜色 */
    color: white;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);

    /* 5. 交互效果 */
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

/* 鼠标悬浮时的样式 */
.exit-reader-button:hover {
    /* 悬浮时变为更深的红色，增加交互感 */
    background-color: rgba(179, 176, 176, 0.6);
    /* 稍微放大 */
    transform: scale(1.15);
}

/* ========== 阅读模式样式end ========== */