/* ============================================================
   本地小说阅读器 novel-reader v1.9.8
   前缀：nrd-  |  零硬覆盖  |  主题走 CSS 变量
   ============================================================ */

.nrd-app {
    --nrd-bg: #f7f3ea;
    --nrd-card: #fffdf8;
    --nrd-text: #2b2a26;
    --nrd-sub: #7d776b;
    --nrd-line: #e4dcc9;
    --nrd-accent: #b4632c;
    --nrd-accent-soft: #b4632c1f;
    --nrd-mask: rgba(20, 16, 8, 0.3);
    /* 表单控件专用：底色要跟卡片拉开一点层次，边框要比分隔线更实，
       否则暗色主题下「按钮 = 面板底色」，等于没有边界 */
    --nrd-field: #ffffff;
    --nrd-field-line: #dcd3bf;
    --nrd-track: #e7dfcc;

    position: relative;
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #2b2a26;
}

/* [hidden] 兜底：元素自身有 display 时 UA 默认样式会失效 */
.nrd-app [hidden] { display: none; }

/* 视觉隐藏（保留标题给读屏与搜索引擎） */
.nrd-sr {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- 主题（作用于阅读器与弹层） ---------- */
.nrd-app[data-theme="sepia"] {
    --nrd-bg: #f0e4cd;
    --nrd-card: #f7edda;
    --nrd-text: #3a2f1e;
    --nrd-sub: #8a7a5c;
    --nrd-line: #decfae;
    --nrd-accent: #9a5a24;
    --nrd-accent-soft: #9a5a2422;
    --nrd-mask: rgba(30, 22, 8, 0.35);
    --nrd-field: #fdf6e8;
    --nrd-field-line: #d8c9a8;
    --nrd-track: #ddd0b3;
}
.nrd-app[data-theme="dark"] {
    --nrd-bg: #181b20;
    --nrd-card: #20242b;
    --nrd-text: #c8cdd5;
    --nrd-sub: #8791a0;
    --nrd-line: #2e343d;
    --nrd-accent: #d29a63;
    --nrd-accent-soft: #d29a6326;
    --nrd-mask: rgba(0, 0, 0, 0.5);
    --nrd-field: #272d36;
    --nrd-field-line: #3e4654;
    --nrd-track: #333a45;
}
.nrd-app[data-theme="black"] {
    --nrd-bg: #000;
    --nrd-card: #0c0c0c;
    --nrd-text: #9a9a9a;
    --nrd-sub: #6d6d6d;
    --nrd-line: #1f1f1f;
    --nrd-accent: #b08040;
    --nrd-accent-soft: #b0804026;
    --nrd-mask: rgba(0, 0, 0, 0.6);
    --nrd-field: #161616;
    --nrd-field-line: #2e2e2e;
    --nrd-track: #262626;
}

/* ---------- 拖放区（对齐 layui-upload-drag 的克制风格） ---------- */
.nrd-drop {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 100%;
    box-sizing: border-box;
    padding: 54px 20px 46px;
    border: 1px dashed var(--nrd-line);
    border-radius: 6px;
    background: var(--nrd-card);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}
.nrd-drop:hover,
.nrd-drop:focus-visible,
.nrd-drop.is-over {
    border-color: var(--nrd-accent);
    background: var(--nrd-accent-soft);
    outline: none;
}
.nrd-drop-ico {
    font-size: 42px;
    line-height: 1;
    color: var(--nrd-accent);
}
.nrd-drop-title {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--nrd-text);
}
.nrd-drop-sub {
    margin: 0;
    font-size: 12.5px;
    line-height: 1.6;
    color: var(--nrd-sub);
}
.nrd-drop .nrd-btn {
    margin-top: 8px;
    padding: 8px 24px;
    border-radius: 4px;
    font-size: 14px;
}
.nrd-drop-tip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin: 6px 0 0;
    font-size: 12px;
    color: var(--nrd-sub);
}
.nrd-drop-tip svg {
    width: 13px;
    height: 13px;
    flex-shrink: 0;
    color: #2c8a50;
}
.nrd-err {
    margin: 0;
    padding: 7px 14px;
    border-radius: 4px;
    background: #d9534f14;
    border: 1px solid #d9534f3d;
    color: #c0473f;
    font-size: 13px;
}

/* ---------- 书架（最近在读） ---------- */
/* 备份条：两行小字链接，够用就行，不抢上传区的视线 */
.nrd-backup {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 16px;
    margin-top: 12px;
    font-size: 13px;
    color: var(--nrd-sub);
}
.nrd-link {
    padding: 0;
    border: none;
    border-bottom: 1px dashed currentColor;
    background: none;
    font: inherit;
    color: var(--nrd-sub);
    cursor: pointer;
    transition: color 0.18s;
}
.nrd-link:hover { color: var(--nrd-accent); }
.nrd-link:disabled { opacity: 0.45; cursor: default; }
.nrd-backup-tip {
    font-size: 12px;
    opacity: 0.72;
}
/* VIP 小标：跟链接同一行，别做成大按钮抢视线 */
.nrd-vip-tag {
    display: inline-block;
    margin-left: 3px;
    padding: 0 4px;
    border-radius: 3px;
    background: linear-gradient(135deg, #d8b26a, #b8892f);
    color: #fff;
    font-size: 10px;
    font-style: normal;
    line-height: 15px;
    letter-spacing: 0.3px;
    vertical-align: 1px;
}
/* 自动同步开关：跟备份链接同一行，别做成独立大控件 */
.nrd-sync-toggle {
    gap: 5px;
    font-size: 12.5px;
    color: var(--nrd-sub);
    cursor: pointer;
    user-select: none;
}

/* 云端比本机新时的提示条：贴在书架上方，一条就够，不弹窗打断阅读 */
.nrd-sync-tip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 12px;
    margin-top: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(184, 137, 47, 0.32);
    background: rgba(216, 178, 106, 0.12);
    font-size: 12.5px;
    color: var(--nrd-text);
}
.nrd-sync-tip-text {
    flex: 1;
    min-width: 0;
}
.nrd-sync-skip {
    opacity: 0.6;
}
.nrd-app[data-theme="dark"] .nrd-sync-tip,
.nrd-app[data-theme="black"] .nrd-sync-tip {
    border-color: rgba(216, 178, 106, 0.34);
    background: rgba(216, 178, 106, 0.14);
}

.nrd-shelf {
    margin-top: 16px;
}
.nrd-shelf-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4px 12px;
    margin-bottom: 9px;
}
.nrd-shelf-title {
    margin: 0;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--nrd-text);
}
.nrd-shelf-hint {
    font-size: 12px;
    color: var(--nrd-sub);
    text-align: right;
}
.nrd-shelf-list {
    display: grid;
    gap: 7px;
}
.nrd-shelf-item {
    display: flex;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--nrd-line);
    border-radius: 6px;
    background: var(--nrd-card);
    overflow: hidden;
    transition: border-color 0.18s, background 0.18s;
}
.nrd-shelf-item:hover {
    border-color: var(--nrd-accent);
}
.nrd-shelf-open {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 11px 4px 11px 14px;
    border: 0;
    background: none;
    text-align: left;
    font: inherit;
    cursor: pointer;
    color: var(--nrd-text);
}
.nrd-shelf-main {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}
.nrd-shelf-name {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.nrd-shelf-meta {
    font-size: 12px;
    color: var(--nrd-sub);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.nrd-shelf-bar {
    display: block;
    height: 2px;
    border-radius: 1px;
    background: var(--nrd-line);
    overflow: hidden;
}
.nrd-shelf-fill {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 1px;
    background: var(--nrd-accent);
    transition: width 0.3s;
}
.nrd-shelf-del {
    flex-shrink: 0;
    width: 40px;
    border: 0;
    border-left: 1px solid var(--nrd-line);
    background: none;
    color: var(--nrd-sub);
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
}
.nrd-shelf-del:hover {
    color: #c0473f;
    background: #d9534f14;
}

/* ---------- 按钮 ---------- */
.nrd-btn {
    appearance: none;
    border: 1px solid var(--nrd-accent);
    background: var(--nrd-accent);
    color: #fff;
    padding: 9px 24px;
    border-radius: 4px;
    font-size: 14.5px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.15s;
}
.nrd-btn:hover { opacity: 0.88; }
.nrd-btn:active { transform: scale(0.98); }
.nrd-btn-ghost {
    background: transparent;
    color: var(--nrd-accent);
}

/* ---------- 阅读器整体 ---------- */
.nrd-reader {
    /* 定位基准：抽屉是它的绝对定位子元素，靠这个把自己钉在卡片内 */
    position: relative;
    border-radius: 6px;
    background: var(--nrd-card);
    border: 1px solid var(--nrd-line);
    overflow: hidden;
}
.nrd-reader:fullscreen {
    /* 全屏元素默认仍是 static，不补 position 的话子级 absolute 会跑到视口外找包含块 */
    position: fixed;
    inset: 0;
    border-radius: 0;
    border: none;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ---------- 视口全屏（不调 Fullscreen API，双屏友好） ---------- */
.nrd-reader.nrd-vpfull {
    position: fixed;
    inset: 0;
    /* 站点左侧导航是 fixed z-index:99999，阅读器/抽屉必须压过它，否则左侧被吞掉点击 */
    z-index: 100000;
    border-radius: 0;
    border: none;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* 手机地址栏收起/展开时 100vh 会留白或超出，dvh 跟着可视区走 */
    height: 100vh;
    height: 100dvh;
}
/* 顶栏 / 正文的高度关系交给 flex，别再写 calc(100vh - 130px)：
   手机上工具栏一换行，写死的 130 会算出半屏空白或把页脚顶出屏幕 */
.nrd-reader.nrd-vpfull .nrd-body,
.nrd-reader:fullscreen .nrd-body {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    height: auto;
}
/* 刘海屏 / 圆角屏：全屏时内容铺到边，按钮得躲开安全区，否则右上角的 ✕ 压在黑边下点不到 */
.nrd-reader.nrd-vpfull .nrd-top,
.nrd-reader:fullscreen .nrd-top {
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
}
.nrd-reader.nrd-vpfull .nrd-body,
.nrd-reader:fullscreen .nrd-body {
    padding-bottom: calc(26px + env(safe-area-inset-bottom));
}
/* 阅读器铺满时锁定页面滚动（不影响弹层，弹层 z-index 100000 更高） */
html body.nrd-lock { overflow: hidden; }

/* 顶栏 */
.nrd-top {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 8px;
    padding: 9px 12px;
    background: var(--nrd-card);
    border-bottom: 1px solid var(--nrd-line);
    position: sticky;
    top: 0;
    z-index: 5;
}
.nrd-top-left {
    min-width: 0;
    flex: 0 1 auto;
}
.nrd-top-tools { margin-left: auto; }
/* 换书按钮不在工具栏里，永远贴右、永不换行（手机上就是靠这条钉住的） */
.nrd-top-x {
    flex: 0 0 auto;
    margin-left: 2px;
}
.nrd-bookname {
    display: inline-block;
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 14px;
    font-weight: 600;
    color: var(--nrd-text);
}
.nrd-top-tools {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: nowrap;
    min-width: 0;
    /* 极端窄屏（<320）兜底：按钮组可以横向滑，而不是把换书挤下去 */
    overflow-x: auto;
    scrollbar-width: none;
}
.nrd-top-tools::-webkit-scrollbar { display: none; }
.nrd-tool {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    color: var(--nrd-text);
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
}
.nrd-tool:hover {
    background: var(--nrd-accent-soft);
    border-color: var(--nrd-accent);
}
.nrd-tool svg { width: 15px; height: 15px; }
.nrd-tool.is-active {
    background: var(--nrd-accent);
    border-color: var(--nrd-accent);
    color: #fff;
}
/* 合成中：图标脉冲，让用户在等首段音频的那几秒里知道程序在干活 */
.nrd-tool.is-loading {
    background: var(--nrd-accent-soft);
    border-color: var(--nrd-accent);
    color: var(--nrd-accent);
}
.nrd-tool.is-loading svg {
    animation: nrd-speak-pulse 1.1s ease-in-out infinite;
}
@keyframes nrd-speak-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.35; transform: scale(0.86); }
}
@media (prefers-reduced-motion: reduce) {
    .nrd-tool.is-loading svg { animation: none; opacity: 0.6; }
}
.nrd-tool-ghost { opacity: 0.7; }

/* 进度条：整本书的阅读位置（按字数加权），滚动时实时更新 */
.nrd-progress {
    height: 3px;
    background: var(--nrd-line);
    flex: none;
}
.nrd-progress-bar {
    height: 100%;
    width: 0;
    background: var(--nrd-accent);
    border-radius: 0 2px 2px 0;
    transition: width 0.12s linear;
}

/* 正文 */
.nrd-body {
    padding: 30px 18px 26px;
    max-height: 72vh;
    overflow-y: auto;
    scroll-behavior: smooth;
    /* 章末再往下滚不要把整页带着一起动（手机上尤其明显） */
    overscroll-behavior: contain;
}

.nrd-page {
    max-width: var(--nrd-w, 1080px);
    margin: 0 auto;
}
.nrd-chtitle {
    margin: 0 0 26px;
    text-align: center;
    font-size: 21px;
    line-height: 1.45;
    color: var(--nrd-text);
    font-weight: 700;
}
.nrd-content {
    font-size: var(--nrd-fs, 19px);
    line-height: var(--nrd-lh, 1.9);
    color: var(--nrd-text);
    font-family: var(--nrd-ff, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif);
    word-break: break-word;
}
.nrd-content p {
    margin: 0 0 var(--nrd-gap, 12px);
    text-align: var(--nrd-align, justify);
    text-indent: var(--nrd-indent, 2em);
}
.nrd-chnav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 34px;
    padding-top: 20px;
    border-top: 1px solid var(--nrd-line);
}
.nrd-chinfo {
    font-size: 12.5px;
    color: var(--nrd-sub);
}

/* 字体族 */
.nrd-app[data-font="serif"] .nrd-content {
    --nrd-ff: "Noto Serif SC", "Source Han Serif SC", "Songti SC", SimSun, serif;
}
.nrd-app[data-font="kai"] .nrd-content {
    --nrd-ff: "Kaiti SC", KaiTi, STKaiti, "楷体", serif;
}
.nrd-app.nrd-noin .nrd-content p { --nrd-indent: 0; }
.nrd-app.nrd-nojust .nrd-content p { --nrd-align: left; }

/* ---------- 抽屉（目录 / 书签 / 排版设置） ----------
   抽屉是 #nrdReader 的子元素，用 absolute + inset:0 直接锁死在卡片内：
   宽高跟着卡片走，卡片多高抽屉就多高，永远不会「撑出」到页面上。
   早期版本用 position:fixed + top/bottom:0，是按视口算的——卡片只有 72vh 时
   抽屉却铺满整屏，上面顶到浏览器顶、下面压住页脚，跟页面其它元素打架。
   z-index 仍要高于站点左侧导航（.left-nav 是 fixed z-index:99999），
   卡片没建 stacking context 时这里参与全局层叠，才能压过它。 */
.nrd-drawer {
    position: absolute;
    inset: 0;
    z-index: 100000;
}
.nrd-drawer-mask {
    position: absolute;
    inset: 0;
    background: var(--nrd-mask);
    opacity: 0;
    transition: opacity 0.22s ease;
}
.nrd-drawer-panel {
    position: absolute;
    top: 0;
    bottom: 0;
    width: min(360px, 88%);
    max-width: calc(100% - 8px);
    display: flex;
    flex-direction: column;
    background: var(--nrd-card);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.18);
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.26s cubic-bezier(0.22, 0.8, 0.3, 1);
}
/* 关闭态只写一条位移，打开态（.is-in）复位。
   别再按「卡片内 / 全屏」分两套：全屏那套是 4 个类的选择器，特异性压过
   .nrd-drawer.is-in（3 个类），结果抽屉打开后仍停在 -100% 位置，全屏下
   设置/目录怎么点都不出现。卡片 overflow:hidden 会把滑入过程的外侧裁掉，
   视觉效果就是从卡片边缘长出来，正好。 */
.nrd-drawer-left .nrd-drawer-panel {
    left: 0;
    transform: translateX(-100%);
}
.nrd-drawer-right .nrd-drawer-panel {
    right: 0;
    transform: translateX(100%);
}
.nrd-drawer.is-in .nrd-drawer-mask { opacity: 1; }
.nrd-drawer.is-in .nrd-drawer-panel {
    opacity: 1;
    transform: translateX(0);
}

.nrd-drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 15px 16px 11px;
}
.nrd-drawer-head h3 {
    margin: 0;
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--nrd-text);
    white-space: nowrap;
}
.nrd-toc-count {
    font-size: 12px;
    font-weight: 400;
    color: var(--nrd-sub);
}
.nrd-drawer-close {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--nrd-sub);
    font-size: 14px;
    line-height: 1;
    padding: 7px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.nrd-drawer-close:hover {
    background: var(--nrd-accent-soft);
    color: var(--nrd-text);
}

/* 抽屉内的搜索框 */
.nrd-drawer-search {
    display: flex;
    align-items: center;
    gap: 7px;
    /* 撑满面板宽度：align-self + box-sizing 双保险，
       站点主题若给 input/div 塞了全局 width，这里也不会缩成一条窄缝 */
    align-self: stretch;
    box-sizing: border-box;
    margin: 10px 16px 4px;
    padding: 0 10px;
    border: 1px solid var(--nrd-field-line);
    border-radius: 4px;
    background: var(--nrd-field);
    transition: border-color 0.15s;
}
.nrd-drawer-search:focus-within { border-color: var(--nrd-accent); }
.nrd-drawer-search .layui-icon {
    flex: none;
    font-size: 13px;
    color: var(--nrd-sub);
}
.nrd-drawer-search input {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
    max-width: 100%;
    appearance: none;
    border: 0;
    background: transparent;
    padding: 8px 0;
    font-size: 13px;
    color: var(--nrd-text);
    outline: none;
}

/* 目录 / 书签 页签 */
.nrd-toc-tabs {
    display: flex;
    gap: 18px;
    padding: 0 16px;
    border-bottom: 1px solid var(--nrd-line);
}
.nrd-toc-tab {
    appearance: none;
    border: 0;
    background: transparent;
    margin-bottom: -1px;
    padding: 9px 1px;
    border-bottom: 2px solid transparent;
    font-size: 13.5px;
    color: var(--nrd-sub);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}
.nrd-toc-tab:hover { color: var(--nrd-text); }
.nrd-toc-tab.is-active {
    color: var(--nrd-accent);
    border-bottom-color: var(--nrd-accent);
    font-weight: 600;
}
.nrd-tab-num {
    display: inline-block;
    margin-left: 3px;
    font-size: 11px;
    font-variant-numeric: tabular-nums;
    opacity: 0.75;
}

/* 目录列表 */
.nrd-toc-list {
    flex: 1;
    overflow-y: auto;
    padding: 6px 10px 18px;
}
.nrd-toc-item {
    display: flex;
    align-items: baseline;
    gap: 9px;
    width: 100%;
    appearance: none;
    border: 0;
    background: transparent;
    text-align: left;
    padding: 9px 11px;
    border-radius: 4px;
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--nrd-text);
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: background 0.12s, color 0.12s;
}
.nrd-toc-item:hover { background: var(--nrd-accent-soft); }
.nrd-toc-item.is-cur {
    color: var(--nrd-accent);
    font-weight: 600;
    background: var(--nrd-accent-soft);
}
.nrd-toc-idx {
    flex-shrink: 0;
    min-width: 30px;
    color: var(--nrd-sub);
    font-size: 11.5px;
    font-variant-numeric: tabular-nums;
    text-align: right;
}
.nrd-toc-item.is-cur .nrd-toc-idx { color: var(--nrd-accent); opacity: 0.75; }
.nrd-toc-empty {
    padding: 30px 16px;
    text-align: center;
    font-size: 13px;
    line-height: 1.7;
    color: var(--nrd-sub);
}

/* 搜索结果分组 */
.nrd-toc-group {
    padding: 12px 11px 5px;
    font-size: 11.5px;
    color: var(--nrd-sub);
    letter-spacing: 0.5px;
}
.nrd-hit-item {
    display: block;
    width: 100%;
    appearance: none;
    border: 0;
    background: transparent;
    text-align: left;
    padding: 9px 11px;
    border-radius: 4px;
    color: var(--nrd-text);
    cursor: pointer;
    transition: background 0.12s;
}
.nrd-hit-item:hover { background: var(--nrd-accent-soft); }
.nrd-hit-ch {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nrd-hit-snip {
    display: -webkit-box;
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.6;
    color: var(--nrd-sub);
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.nrd-hit-snip em {
    font-style: normal;
    color: var(--nrd-accent);
    font-weight: 700;
    background: var(--nrd-accent-soft);
    border-radius: 2px;
    padding: 0 2px;
}

/* 章内命中段落的高亮 */
.nrd-content p.nrd-hit {
    background: var(--nrd-accent-soft);
    border-radius: 4px;
    box-shadow: 0 0 0 6px var(--nrd-accent-soft);
    transition: background 0.4s;
}

/* 书签条目 */
.nrd-bm-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    width: 100%;
    padding: 9px 11px;
    border-radius: 4px;
    border-left: 2px solid var(--nrd-line);
    transition: background 0.12s, border-color 0.12s;
}
.nrd-bm-item:hover {
    background: var(--nrd-accent-soft);
    border-left-color: var(--nrd-accent);
}
.nrd-bm-open {
    flex: 1;
    min-width: 0;
    appearance: none;
    border: 0;
    background: transparent;
    text-align: left;
    padding: 0;
    cursor: pointer;
    color: var(--nrd-text);
}
.nrd-bm-ch {
    display: block;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nrd-bm-snip {
    display: block;
    margin-top: 3px;
    font-size: 12px;
    line-height: 1.55;
    color: var(--nrd-sub);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nrd-bm-when {
    display: block;
    margin-top: 3px;
    font-size: 11px;
    color: var(--nrd-sub);
    opacity: 0.75;
}
.nrd-bm-del {
    flex-shrink: 0;
    appearance: none;
    border: 0;
    background: transparent;
    width: 26px;
    height: 26px;
    border-radius: 4px;
    color: var(--nrd-sub);
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.12s, color 0.12s;
}
.nrd-bm-del:hover {
    background: #d9534f1f;
    color: #c0473f;
}

/* 设置面板 */
.nrd-set-body {
    padding: 4px 16px 18px;
    overflow-y: auto;
    flex: 1;
}
.nrd-set-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 0;
    border-bottom: 1px dashed var(--nrd-line);
}
/* 选项会换行的行：标签与第一行对齐，不要垂直居中夹在两组之间 */
.nrd-set-row-top { align-items: flex-start; }
.nrd-set-row-top .nrd-set-label { padding-top: 7px; }
.nrd-set-row:last-of-type { border-bottom: none; }
.nrd-set-label {
    flex-shrink: 0;
    width: 62px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--nrd-sub);
}
.nrd-set-val {
    flex-shrink: 0;
    width: 48px;
    text-align: right;
    font-size: 12px;
    color: var(--nrd-text);
    font-variant-numeric: tabular-nums;
}
/* ---------- 滑块：对齐 layui slider 的形状语言 ----------
   6px 圆角轨道、已选段填充主题色、圆形滑块带白底描边。
   原生 range 没有「已选轨道」概念，靠 JS 写入的 --pct 用渐变裁出左半段。 */
.nrd-set-row input[type="range"] {
    flex: 1;
    min-width: 0;
    --pct: 50%;
    appearance: none;
    -webkit-appearance: none;
    height: 20px;              /* 触控热区，实际轨道 6px */
    margin: 0;
    background: transparent;
    cursor: pointer;
}
.nrd-set-row input[type="range"]::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right,
        var(--nrd-accent) 0 var(--pct),
        var(--nrd-track) var(--pct) 100%);
}
.nrd-set-row input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    margin-top: -5px;          /* (6 - 16) / 2，让圆点垂直居中于轨道 */
    border: 2px solid var(--nrd-accent);
    border-radius: 50%;
    background: var(--nrd-field);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
    transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.nrd-set-row input[type="range"]:active::-webkit-slider-thumb {
    transform: scale(1.1);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.28);
}
.nrd-set-row input[type="range"]:focus-visible::-webkit-slider-thumb {
    box-shadow: 0 0 0 3px var(--nrd-accent-soft);
}
/* Firefox 用 progress 伪元素直接画已选段，不需要 --pct */
.nrd-set-row input[type="range"]::-moz-range-track {
    height: 6px;
    border-radius: 3px;
    background: var(--nrd-track);
}
.nrd-set-row input[type="range"]::-moz-range-progress {
    height: 6px;
    border-radius: 3px;
    background: var(--nrd-accent);
}
.nrd-set-row input[type="range"]::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border: 2px solid var(--nrd-accent);
    border-radius: 50%;
    background: var(--nrd-field);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.18);
}
.nrd-themes,
.nrd-fonts,
.nrd-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.nrd-themes { flex: 1; min-width: 0; }
/* 三档主题等分一行，避免窄屏挤成「2 + 1」那种半截换行 */
.nrd-themes .nrd-theme {
    flex: 1 1 0;
    min-width: 0;
    padding: 0 8px;
}

/* ---------- 朗读声音下拉 + 试听（v1.8.0） ----------
   14 个音色做成分组下拉，按钮一行放不下；select 外观按主题变量走，
   原生下拉面板由系统绘制，只保证收起态跟主题一致。 */
.nrd-voice {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}
.nrd-select {
    flex: 1;
    min-width: 0;
    appearance: none;
    -webkit-appearance: none;
    border: 1px solid var(--nrd-field-line);
    background-color: var(--nrd-field);
    color: var(--nrd-text);
    height: 32px;
    padding: 0 26px 0 10px;
    border-radius: 3px;
    font-size: 13px;
    line-height: 30px;
    cursor: pointer;
    /* 自绘箭头，避免各浏览器原生箭头在深色主题下看不清 */
    background-image: linear-gradient(45deg, transparent 50%, currentColor 50%),
                      linear-gradient(135deg, currentColor 50%, transparent 50%);
    background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%;
    background-size: 6px 6px, 6px 6px;
    background-repeat: no-repeat;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.nrd-select:hover { border-color: var(--nrd-accent); }
.nrd-select:focus-visible {
    /* layui 的 focus 观感：主色描边 + 一圈淡色光晕，比生硬的 outline 柔和 */
    outline: none;
    border-color: var(--nrd-accent);
    box-shadow: 0 0 0 2px var(--nrd-accent-soft);
}
.nrd-select optgroup {
    background: var(--nrd-card);
    color: var(--nrd-sub);
    font-style: normal;
}
.nrd-select option {
    background: var(--nrd-card);
    color: var(--nrd-text);
}
.nrd-voice-try {
    flex-shrink: 0;
    padding: 5px 11px;
}
.nrd-voice-try.is-busy {
    border-color: var(--nrd-accent);
    color: var(--nrd-accent);
    cursor: progress;
}

/* ---------- 音色档位：免费 / VIP 一眼可见 ----------
   光靠下拉分组标题不够显眼（optgroup 在部分浏览器里只是加粗）
   所以选择器下面常驻一行状态说明：当前选的是哪档、能不能正式读、能不能试。 */
.nrd-voice-row { flex-wrap: wrap; row-gap: 7px; }
/* 抽屉只有 360px，缩进 74px 后只剩 200px，说明会被挤成两行还溢出。
   改成整行通铺 + 两行「档位徽标 + 说明」，窄屏也能一眼读清。 */
.nrd-voice-note {
    flex: 1 0 100%;
    width: 100%;
    box-sizing: border-box;
    margin: 2px 0 0;
    padding: 6px 9px;
    border: 1px solid var(--nrd-line);
    border-radius: 5px;
    background: var(--nrd-bg);
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 12px;
    line-height: 1.55;
    color: var(--nrd-sub);
}
.nrd-vt {
    display: flex;
    align-items: flex-start;
    gap: 7px;
}
.nrd-vt-txt {
    flex: 1 1 auto;
    min-width: 0;
}
/* 开通入口单独一行右对齐：留在正文里换行会把「国语」这类词从中间拆开 */
.nrd-cta {
    display: flex;
    justify-content: flex-end;
    margin-top: 1px;
}
.nrd-voice-note b {
    font-weight: 600;
    color: var(--nrd-text);
}
.nrd-vt .nrd-tier { margin-right: 0; flex: 0 0 auto; }
.nrd-tier {
    display: inline-block;
    margin-right: 6px;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10.5px;
    font-weight: 600;
    line-height: 1.7;
    white-space: nowrap;
}
.nrd-tier-free,
.nrd-tier-unlocked { color: #2c7355; background: #e7f4ed; }
.nrd-tier-vip { color: #8a5a10; background: #fbf0d9; }
/* 「开通会员」做成一枚独立小按钮，不参与正文折行，窄屏也点得到 */
.nrd-voice-buy {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    padding: 1px 10px;
    border: 1px solid var(--nrd-accent);
    border-radius: 999px;
    color: var(--nrd-accent);
    font-size: 11.5px;
    font-weight: 600;
    line-height: 1.7;
    white-space: nowrap;
    text-decoration: none;
    transition: background-color 0.15s, color 0.15s;
}
.nrd-voice-buy:hover { background: var(--nrd-accent-soft); }
/* 深色主题下徽标不能沿用浅底，否则直接糊成一块白 */
.nrd-app[data-theme="dark"] .nrd-tier-free,
.nrd-app[data-theme="black"] .nrd-tier-free,
.nrd-app[data-theme="dark"] .nrd-tier-unlocked,
.nrd-app[data-theme="black"] .nrd-tier-unlocked {
    color: #7ed3a9;
    background: rgba(110, 210, 165, 0.14);
}
.nrd-app[data-theme="dark"] .nrd-tier-vip,
.nrd-app[data-theme="black"] .nrd-tier-vip {
    color: #e8bd77;
    background: rgba(210, 154, 99, 0.16);
}
.nrd-theme,
.nrd-font {
    appearance: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    height: 30px;
    padding: 0 11px;
    border: 1px solid var(--nrd-field-line);
    border-radius: 3px;
    background: var(--nrd-field);
    color: var(--nrd-text);
    font-size: 12.5px;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.nrd-theme:hover,
.nrd-font:hover {
    border-color: var(--nrd-accent);
    background: var(--nrd-accent-soft);
}
.nrd-theme:focus-visible,
.nrd-font:focus-visible {
    outline: 2px solid var(--nrd-accent-soft);
    outline-offset: 1px;
}
.nrd-theme.is-active,
.nrd-font.is-active {
    border-color: var(--nrd-accent);
    background: var(--nrd-accent-soft);
    color: var(--nrd-accent);
    font-weight: 600;
}
.nrd-theme-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid var(--nrd-line);
    display: inline-block;
}
.nrd-theme-auto {
    background: linear-gradient(135deg, #f7f3ea 0 50%, #20242a 50% 100%);
}
.nrd-check {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--nrd-text);
    cursor: pointer;
}
/* 复选框：layui 的方形勾选框，自绘而不是靠 accent-color，
   这样暗色主题下「未选中 = 卡片底 + 细描边」也能看清 */
.nrd-check input {
    appearance: none;
    -webkit-appearance: none;
    flex: 0 0 auto;
    width: 16px;
    height: 16px;
    margin: 0;
    border: 1px solid var(--nrd-field-line);
    border-radius: 2px;
    background-color: var(--nrd-field);
    background-repeat: no-repeat;
    background-position: center;
    background-size: 12px 12px;
    cursor: pointer;
    transition: background-color 0.15s, border-color 0.15s;
}
.nrd-check input:hover { border-color: var(--nrd-accent); }
.nrd-check input:checked {
    border-color: var(--nrd-accent);
    background-color: var(--nrd-accent);
    /* 勾用内联 SVG：不依赖伪元素几何，缩放和暗色下都稳定 */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.4 8.6l3 3 6.2-6.6' fill='none' stroke='%23fff' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.nrd-check input:focus-visible {
    outline: 2px solid var(--nrd-accent-soft);
    outline-offset: 1px;
}
.nrd-set-tip {
    margin: 12px 0 2px;
    font-size: 11.5px;
    line-height: 1.7;
    color: var(--nrd-sub);
}
.nrd-set-tip strong { color: var(--nrd-accent); }

/* ---------- 解析进度（大文件 Worker 解析时显示） ---------- */
.nrd-parse {
    position: relative;
    width: min(300px, 86%);
    height: 24px;
    margin: 0;
    border-radius: 3px;
    background: var(--nrd-accent-soft);
    overflow: hidden;
}
.nrd-parse-bar {
    position: absolute;
    inset: 0 auto 0 0;
    width: 5%;
    background: var(--nrd-accent);
    transition: width 0.2s ease-out;
}
.nrd-parse-txt {
    position: relative;
    display: block;
    line-height: 24px;
    font-size: 12px;
    color: var(--nrd-text);
    text-align: center;
    font-variant-numeric: tabular-nums;
}

/* ---------- 翻页模式（左右翻页） ---------- */
.nrd-app[data-mode="page"] .nrd-body {
    scroll-behavior: auto;
}
.nrd-app[data-mode="page"] .nrd-body:focus-visible {
    outline: 2px solid var(--nrd-accent);
    outline-offset: -2px;
}
/* 左右翻页时内容区可点：左 1/3 上一屏、右 2/3 下一屏 */
.nrd-app[data-mode="page"] #nrdContent {
    cursor: pointer;
}

/* ---------- Toast ---------- */
.nrd-toast {
    position: fixed;
    left: 50%;
    bottom: 38px;
    transform: translateX(-50%);
    z-index: 100010;
    max-width: 88vw;
    padding: 10px 20px;
    border-radius: 4px;
    background: #333c;
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 13.5px;
    line-height: 1.6;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

/* ---------- layui layer 弹层 ----------
   layer 的 DOM 挂在 body 上，拿不到 .nrd-app 的 CSS 变量，这里用字面色写死；
   深色主题靠 nrd-layer-dark 皮肤切换。零 !important。 */
.layui-layer.nrd-layer {
    border: 1px solid #e4dcc9;
    border-radius: 6px;
    background: #fffdf8;
    box-shadow: 0 14px 44px rgba(38, 28, 12, 0.2);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}
.layui-layer.nrd-layer .layui-layer-title {
    height: 46px;
    line-height: 46px;
    padding: 0 48px 0 18px;
    border-bottom: 1px solid #e4dcc9;
    border-radius: 6px 6px 0 0;
    background: #fffdf8;
    color: #2b2a26;
    font-size: 15px;
    font-weight: 600;
}
.layui-layer.nrd-layer .layui-layer-content {
    color: #2b2a26;
    font-size: 13.5px;
    line-height: 1.75;
}
.layui-layer.nrd-layer .layui-layer-setwin .layui-layer-close2 { display: none; }
.layui-layer.nrd-layer .layui-layer-close {
    color: #7d776b;
    font-size: 15px;
}
.layui-layer.nrd-layer .layui-layer-btn {
    padding: 6px 18px 16px;
    text-align: right;
    border-top: 0;
}
.layui-layer.nrd-layer .layui-layer-btn a {
    height: 34px;
    line-height: 32px;
    padding: 0 18px;
    margin-left: 8px;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 13.5px;
    font-weight: 600;
    transition: opacity 0.15s;
}
.layui-layer.nrd-layer .layui-layer-btn a:hover { opacity: 0.88; }
.layui-layer.nrd-layer .layui-layer-btn .layui-layer-btn0 {
    border-color: #b4632c;
    background: #b4632c;
    color: #fff;
}
.layui-layer.nrd-layer .layui-layer-btn .layui-layer-btn1 {
    border-color: #d8cdb6;
    background: transparent;
    color: #7d776b;
}

/* 深色 / 纯黑主题下的弹层 */
.layui-layer.nrd-layer-dark {
    border-color: #2e343d;
    background: #20242b;
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.55);
}
.layui-layer.nrd-layer-dark .layui-layer-title {
    border-bottom-color: #2e343d;
    background: #20242b;
    color: #c8cdd5;
}
.layui-layer.nrd-layer-dark .layui-layer-content { color: #c8cdd5; }
.layui-layer.nrd-layer-dark .layui-layer-close { color: #8791a0; }
.layui-layer.nrd-layer-dark .layui-layer-btn .layui-layer-btn0 {
    border-color: #d29a63;
    background: #d29a63;
    color: #20242b;
}
.layui-layer.nrd-layer-dark .layui-layer-btn .layui-layer-btn1 {
    border-color: #3b434e;
    background: transparent;
    color: #8791a0;
}

/* 在线朗读告知弹层的内容 */
.nrd-tts-body { padding: 16px 18px 2px; }
.nrd-tts-body p {
    margin: 0 0 11px;
    font-size: 13.5px;
    line-height: 1.78;
}
.nrd-tts-body strong { font-weight: 700; color: #b4632c; }
.layui-layer-dark .nrd-tts-body strong { color: #d29a63; }

/* ---------- 云端备份弹层 ---------- */
.nrd-cloud {
    padding: 16px 18px 18px;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 13.5px;
    line-height: 1.7;
    color: #3a3226;
}
.nrd-cloud-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 12.5px;
    color: #8b8272;
}
.nrd-cloud-row b {
    font-size: 13px;
    font-weight: 600;
    color: #3a3226;
}
.nrd-cloud-bar {
    height: 6px;
    margin: 7px 0 14px;
    border-radius: 3px;
    background: #ece6d8;
    overflow: hidden;
}
.nrd-cloud-bar i {
    display: block;
    height: 100%;
    border-radius: 3px;
    background: linear-gradient(90deg, #d8b26a, #b8892f);
    transition: width 0.25s;
}
.nrd-cloud-btn {
    display: inline-block;
    padding: 7px 16px;
    border: 1px solid #d8cbb0;
    border-radius: 4px;
    background: #fffdf7;
    color: #6b5a3c;
    font-size: 13px;
    cursor: pointer;
    transition: border-color 0.18s, color 0.18s;
}
.nrd-cloud-btn:hover { border-color: #b8892f; color: #b8892f; }
.nrd-cloud-btn:disabled { opacity: 0.5; cursor: default; }
.nrd-cloud-progress {
    margin: 9px 0 0;
    font-size: 12.5px;
    color: #b8892f;
}
.nrd-cloud-empty {
    margin: 16px 0 2px;
    text-align: center;
    font-size: 12.5px;
    color: #a89f8e;
}
.nrd-cloud-tip {
    margin: 0;
    font-size: 12.5px;
    line-height: 1.8;
    color: #8b8272;
}
.nrd-cloud-note {
    margin: 0 0 9px;
    font-size: 14.5px;
    font-weight: 600;
    color: #3a3226;
}
/* 「已打开登录窗口」这类次要提示：明确弱于标题，别抢视线 */
.nrd-cloud-sub {
    margin: 10px 0 0;
    font-size: 12px;
    font-weight: 400;
    color: #b8892f;
}
.nrd-cloud-tip + .nrd-cloud-btn {
    margin-top: 12px;
}
.nrd-cloud-list {
    margin-top: 14px;
    border-top: 1px solid #ece6d8;
}
.nrd-cloud-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 10px 0;
    border-bottom: 1px solid #f2ede1;
}
.nrd-cloud-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.nrd-cloud-meta {
    flex: none;
    font-size: 11.5px;
    color: #a89f8e;
}
.nrd-cloud-act {
    flex: none;
    padding: 3px 10px;
    border: 1px solid #ddd4c0;
    border-radius: 3px;
    background: transparent;
    color: #6b5a3c;
    font-size: 12px;
    cursor: pointer;
}
.nrd-cloud-act:hover { border-color: #b8892f; color: #b8892f; }
.nrd-cloud-del { color: #b4655b; border-color: #e4cfc9; }
.nrd-cloud-del:hover { color: #c0392b; border-color: #c0392b; }

/* ---------- 云端备份：按书逐本列出来 ----------
   一本书一条记录，同一本再备份只覆盖、不新增，所以列表长度跟着书架走。 */
.nrd-cloud-sec {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 10px;
    margin: 16px 0 2px;
    font-size: 12px;
    color: #8b8272;
}
.nrd-cloud-book {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 0;
    border-bottom: 1px solid #f2ede1;
}
.nrd-cloud-book:last-child { border-bottom: none; }
.nrd-cloud-book-main { flex: 1; min-width: 0; }
.nrd-cloud-book-name {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
    color: #3a3226;
}
.nrd-cloud-book-meta {
    display: block;
    margin-top: 2px;
    font-size: 11.5px;
    color: #a89f8e;
}
.nrd-cloud-book-meta b { color: #6b5a3c; font-weight: 600; }
.nrd-cloud-book-acts { display: flex; flex: none; gap: 5px; }
.nrd-cloud-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 5px;
    border-radius: 50%;
    background: #c9c0ad;
    vertical-align: 1px;
}
.nrd-cloud-dot.is-up { background: #b8892f; }     /* 本机有更新，待上传 */
.nrd-cloud-dot.is-ok { background: #6cae8b; }     /* 已同步 */
.nrd-cloud-dot.is-only { background: #9aa0a6; }   /* 只在云端 */

/* 深色皮肤：layer 挂在 body 下，拿不到 .nrd-app 的变量，只能整套覆盖 */
.layui-layer-dark .nrd-cloud { color: #c8cdd5; }
.layui-layer-dark .nrd-cloud-row { color: #8791a0; }
.layui-layer-dark .nrd-cloud-row b { color: #e2e6ec; }
.layui-layer-dark .nrd-cloud-bar { background: #2c333d; }
.layui-layer-dark .nrd-cloud-btn {
    border-color: #3b434e;
    background: transparent;
    color: #c8cdd5;
}
.layui-layer-dark .nrd-cloud-btn:hover { border-color: #d29a63; color: #d29a63; }
.layui-layer-dark .nrd-cloud-progress { color: #d29a63; }
.layui-layer-dark .nrd-cloud-empty,
.layui-layer-dark .nrd-cloud-meta { color: #6d7683; }
.layui-layer-dark .nrd-cloud-tip { color: #8791a0; }
.layui-layer-dark .nrd-cloud-note { color: #e2e6ec; }
.layui-layer-dark .nrd-cloud-sub { color: #d29a63; }
.layui-layer-dark .nrd-cloud-list { border-top-color: #2e343d; }
.layui-layer-dark .nrd-cloud-sec { color: #8791a0; }
.layui-layer-dark .nrd-cloud-book { border-bottom-color: #262c34; }
.layui-layer-dark .nrd-cloud-book-name { color: #e2e6ec; }
.layui-layer-dark .nrd-cloud-book-meta { color: #6d7683; }
.layui-layer-dark .nrd-cloud-book-meta b { color: #c8cdd5; }
.layui-layer-dark .nrd-cloud-item { border-bottom-color: #262c34; }
.layui-layer-dark .nrd-cloud-act { border-color: #3b434e; color: #c8cdd5; }
.layui-layer-dark .nrd-cloud-act:hover { border-color: #d29a63; color: #d29a63; }
.layui-layer-dark .nrd-cloud-del { color: #d98b80; border-color: #4a3a38; }
.layui-layer-dark .nrd-cloud-del:hover { color: #e88b7e; border-color: #e88b7e; }
.nrd-tts-remember {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    margin: 2px 0 4px;
    font-size: 12.5px;
    color: #7d776b;
    cursor: pointer;
}
.layui-layer-dark .nrd-tts-remember { color: #8791a0; }
.nrd-tts-remember input {
    width: 15px;
    height: 15px;
    accent-color: #b4632c;
}

/* ---------- 移动端 ---------- */
@media (max-width: 640px) {
    .nrd-drop { padding: 38px 14px 32px; }
    .nrd-drop-ico { font-size: 36px; }
    .nrd-drop-title { font-size: 14px; }
    .nrd-top { padding: 8px; gap: 6px; }
    /* 朗读风格 4 个词在小屏会挤成 3+1，改成 2×2 均分更整齐 */
    #nrdStyles .nrd-font { flex: 1 1 calc(50% - 3px); }
    /* 窄屏下音色名（「晓晓 · 温暖叙事（推荐）」）放不进半行，select 会挤到箭头底下；
       让声音选择独占一行，名字完整显示 */
    .nrd-voice-row .nrd-voice { flex: 1 0 100%; }
    .nrd-top-tools { gap: 0; }
    /* 图标模式：文字只做视觉隐藏，留在无障碍树里给读屏软件念 */
    .nrd-tool { position: relative; padding: 6px; min-width: 34px; justify-content: center; }
    .nrd-tool span {
        position: absolute;
        width: 1px;
        height: 1px;
        margin: -1px;
        padding: 0;
        border: 0;
        overflow: hidden;
        clip-path: inset(50%);
        white-space: nowrap;
    }
    .nrd-tool svg { width: 17px; height: 17px; }
    /* 手机上「铺满屏幕」一次到位，不再需要第二颗「真全屏」(原生全屏会把站点弹层藏掉) */
    .nrd-top-tools #nrdBtnReal { display: none; }
    .nrd-body { padding: 22px 12px 20px; }
    .nrd-bookname { max-width: 92px; font-size: 12.5px; }
    .nrd-drawer-panel { width: min(320px, 92%); }
    .nrd-chnav { flex-direction: row; }
    .nrd-btn { padding: 9px 18px; }
    .nrd-shelf-hint { display: none; }
    .nrd-shelf-name { font-size: 13.5px; }
    .nrd-shelf-del { width: 36px; }
    .nrd-bm-del { width: 30px; height: 30px; }
}

/* 超窄屏（iPhone SE 一类 320px）：书名让位给按钮，别把工具栏挤成横向滚动 */
@media (max-width: 380px) {
    .nrd-bookname { max-width: 56px; }
}

/* ---------- 自动播放被拦时的兜底按钮 ---------- */
/* 浏览器把「合成完再播」判成自动播放会直接拒绝 play()，
   这时不能只弹一句一闪而过的 toast：音频已经在手里，
   给个显眼的按钮，用户点一下就能出声（也可用来判断是不是
   本机静音——点了还没声音，就是系统/标签页那侧的事）。 */
.nrd-play-gate {
    position: fixed;
    left: 50%;
    bottom: 36px;
    z-index: 100010;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 18px;
    border: 0;
    border-radius: 999px;
    background: var(--nrd-accent);
    color: #fff;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
    transform: translateX(-50%);
    animation: nrd-gate-in 0.22s ease-out;
}

.nrd-play-gate svg {
    width: 18px;
    height: 18px;
    flex: none;
}

.nrd-play-gate:hover {
    filter: brightness(1.06);
}

.nrd-play-gate:focus-visible {
    outline: 2px solid var(--nrd-accent);
    outline-offset: 2px;
}

@keyframes nrd-gate-in {
    from { opacity: 0; transform: translateX(-50%) translateY(10px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@media (max-width: 640px) {
    .nrd-play-gate { bottom: 18px; font-size: 13px; padding: 10px 15px; }
}

/* 声音自检的结果文字 */
.nrd-sound-out {
    font-size: 12px;
    color: var(--nrd-sub);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 46%;
}