/* ============================================================
   PDF 语音阅读器 · 设计系统
   移动优先 · 深浅色自适应 · 阅读器全屏化
   ============================================================ */

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --primary: #2563eb;
  --primary-deep: #1d4ed8;
  --primary-soft: #dbeafe;
  --bg: #f4f6fb;
  --card: #ffffff;
  --card-2: #f8fafc;
  --border: #e4e9f2;
  --text: #1a2333;
  --text-2: #5b6b82;
  --text-3: #94a3b8;
  --paper: #fdfdfb;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 4px 16px rgba(16, 24, 40, 0.07);
  --shadow-lg: 0 2px 4px rgba(16, 24, 40, 0.06), 0 12px 32px rgba(16, 24, 40, 0.12);
  --radius: 14px;
  --topbar-h: 52px;
  --tabs-h: 46px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Source Han Serif CN", "Songti SC", "STSong", "SimSun", var(--font-sans);
}
@media (prefers-color-scheme: dark) {
  :root {
    --primary: #60a5fa;
    --primary-deep: #93c5fd;
    --primary-soft: #1e3a5f;
    --bg: #0f1420;
    --card: #171e2e;
    --card-2: #131a29;
    --border: #26324a;
    --text: #e8edf5;
    --text-2: #9aa8bd;
    --text-3: #64748b;
    --paper: #121826;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 2px 4px rgba(0, 0, 0, 0.45), 0 12px 32px rgba(0, 0, 0, 0.5);
  }
}

html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
button { font-family: inherit; }
input, select { font-family: inherit; }

/* ===== 登录 ===== */
.login-view {
  display: flex; align-items: center; justify-content: center;
  min-height: 100dvh; padding: 1.25rem;
  background:
    radial-gradient(60rem 30rem at 120% -10%, var(--primary-soft) 0%, transparent 60%),
    radial-gradient(50rem 28rem at -20% 110%, var(--primary-soft) 0%, transparent 55%),
    var(--bg);
}
.login-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; box-shadow: var(--shadow-lg);
  padding: 2.25rem 1.75rem; max-width: 340px; width: 100%;
  text-align: center;
}
.login-logo {
  width: 64px; height: 64px; margin: 0 auto 0.9rem;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; border-radius: 18px;
  background: linear-gradient(150deg, var(--primary-soft), var(--card-2));
  border: 1px solid var(--border);
}
.login-card h1 { font-size: 1.35rem; margin-bottom: 0.3rem; }
.login-sub { font-size: 0.8rem; color: var(--text-3); margin-bottom: 1.4rem; }
.login-card label {
  display: block; margin-bottom: 1rem; text-align: left;
  font-weight: 500; font-size: 0.85rem; color: var(--text-2);
}
.login-card input {
  display: block; width: 100%; margin-top: 0.35rem;
  padding: 0.65rem 0.8rem; border: 1px solid var(--border);
  border-radius: 10px; font-size: 1rem;
  background: var(--card-2); color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.login-card input:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}
.login-card button[type="submit"] {
  width: 100%; padding: 0.72rem; margin-top: 0.35rem;
  background: var(--primary); color: #fff; border: none;
  border-radius: 10px; font-size: 1rem; font-weight: 600;
  letter-spacing: 0.35em; text-indent: 0.35em; cursor: pointer;
  transition: filter 0.15s, transform 0.1s;
}
.login-card button[type="submit"]:hover { filter: brightness(1.08); }
.login-card button[type="submit"]:active { transform: scale(0.985); }
.login-error {
  color: #dc2626; font-size: 0.82rem; margin-bottom: 0.75rem;
  padding: 0.5rem 0.75rem; background: #fef2f2; border-radius: 8px; text-align: left;
}
@media (prefers-color-scheme: dark) {
  .login-error { color: #fca5a5; background: #3f1d1d; }
}

/* ===== 顶栏 / 页签 ===== */
.topbar {
  position: sticky; top: 0; z-index: 20;
  min-height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.5rem 1rem 0.5rem calc(1rem + env(safe-area-inset-left, 0px));
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.brand { font-size: 1.02rem; font-weight: 700; letter-spacing: 0.01em; }
.topbar-right { display: flex; align-items: center; gap: 0.6rem; }
.user {
  font-size: 0.78rem; color: var(--text-2);
  padding: 0.22rem 0.65rem; border-radius: 99px;
  background: var(--card-2); border: 1px solid var(--border);
}
.btn-logout {
  padding: 0.32rem 0.7rem; background: transparent; color: var(--text-2);
  border: 1px solid var(--border); border-radius: 8px;
  font-size: 0.78rem; font-weight: 600; cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.btn-logout:hover { color: #dc2626; border-color: #fca5a5; background: color-mix(in srgb, #dc2626 8%, transparent); }

.tabs {
  position: sticky; top: var(--topbar-h); z-index: 19;
  display: flex;
  background: color-mix(in srgb, var(--card) 88%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 calc(0.5rem + env(safe-area-inset-left, 0px)) calc(0.5rem + env(safe-area-inset-right, 0px)) 0.5rem;
}
.tab {
  position: relative;
  flex: 1; padding: 0.55rem 0.5rem 0.5rem;
  text-align: center; cursor: pointer;
  font-size: 0.92rem; font-weight: 500;
  border: none; background: none; color: var(--text-2);
  transition: color 0.2s;
}
.tab.active { color: var(--primary); font-weight: 700; }
.tab.active::after {
  content: ""; position: absolute; left: 30%; right: 30%; bottom: 0;
  height: 3px; border-radius: 3px 3px 0 0;
  background: var(--primary);
}

/* ===== 内容区 / 面板 ===== */
.content { padding: 1rem 0.9rem; max-width: 680px; margin: 0 auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.22s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.panel-head {
  display: flex; align-items: baseline; gap: 0.6rem;
  margin: 0.2rem 0 0.9rem;
}
.panel-head h2 { font-size: 1.25rem; font-weight: 800; letter-spacing: 0.01em; }
.panel-sub { font-size: 0.78rem; color: var(--text-3); }

/* ===== 书架（任务列表） ===== */
.task-list { display: flex; flex-direction: column; gap: 0.65rem; }
.task-row {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  gap: 0.85rem; align-items: center;
  background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.75rem 0.85rem; cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.15s, border-color 0.2s, box-shadow 0.2s;
}
.task-row:hover { border-color: color-mix(in srgb, var(--primary) 45%, var(--border)); box-shadow: var(--shadow-lg); }
.task-row:active { transform: scale(0.99); }

.book-cover {
  width: 62px; height: 90px; object-fit: cover;
  border-radius: 8px; background: var(--card-2);
  border: 1px solid var(--border);
  box-shadow: 2px 3px 8px rgba(16, 24, 40, 0.18);
}
.book-cover-fallback {
  width: 62px; height: 90px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.5rem; font-weight: 700;
  font-family: var(--font-serif);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 2px 3px 8px rgba(16, 24, 40, 0.18);
}

.task-main { min-width: 0; }
.task-name {
  font-weight: 650; font-size: 0.95rem; line-height: 1.35;
  color: var(--text);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; word-break: break-all;
}
.task-meta {
  display: flex; align-items: center; gap: 0.45rem; flex-wrap: wrap;
  margin-top: 0.35rem; font-size: 0.74rem; color: var(--text-3);
}
.task-status {
  display: inline-flex; align-items: center; gap: 0.3rem;
  padding: 0.12rem 0.55rem; border-radius: 99px;
  font-size: 0.72rem; font-weight: 650;
}
.task-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.task-status.done    { background: #dcfce7; color: #15803d; }
.task-status.running { background: #dbeafe; color: #1d4ed8; }
.task-status.queued  { background: #fef9c3; color: #a16207; }
.task-status.error   { background: #fee2e2; color: #b91c1c; }
.task-status.stopped { background: var(--card-2); color: var(--text-2); }
@media (prefers-color-scheme: dark) {
  .task-status.done    { background: #14532d55; color: #4ade80; }
  .task-status.running { background: #1e3a8a55; color: #93c5fd; }
  .task-status.queued  { background: #713f1255; color: #fcd34d; }
  .task-status.error   { background: #7f1d1d55; color: #fca5a5; }
}
.task-progress { color: var(--text-3); }
.task-delete {
  background: none; border: none; cursor: pointer;
  font-size: 1rem; opacity: 0.35; padding: 0.35rem;
  transition: opacity 0.2s;
}
.task-delete:hover { opacity: 1; }

.empty-hint {
  text-align: center; color: var(--text-3);
  padding: 3.5rem 0 2.5rem; font-size: 0.92rem;
}
.empty-icon { font-size: 3rem; margin-bottom: 0.75rem; opacity: 0.7; }
.empty-sub { font-size: 0.8rem; margin-top: 0.2rem; }

/* ===== 上传 ===== */
.upload-form {
  background: var(--card); border-radius: var(--radius);
  padding: 1.1rem; border: 1px solid var(--border); box-shadow: var(--shadow);
}
.upload-form label {
  display: block; margin-bottom: 1rem;
  font-weight: 500; font-size: 0.84rem; color: var(--text-2);
}
.file-drop {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.5rem; padding: 1.4rem 1rem; cursor: pointer;
  border: 2px dashed var(--border); border-radius: 12px;
  background: var(--card-2);
  transition: border-color 0.2s, background 0.2s;
}
.file-drop:hover, .file-drop:has(input:focus) {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 5%, var(--card-2));
}
.file-drop input[type="file"] { display: none; }
.file-drop-icon { font-size: 1.8rem; }
.file-drop-text { font-size: 0.88rem; color: var(--text-2); font-weight: 500; }
.upload-form select {
  display: block; width: 100%; margin-top: 0.35rem;
  padding: 0.55rem 0.65rem; border: 1px solid var(--border);
  border-radius: 8px; font-size: 0.9rem;
  background: var(--card-2); color: var(--text);
}

/* ===== 按钮 / 状态 ===== */
.btn-primary {
  width: 100%; padding: 0.7rem; margin-top: 0.25rem;
  background: var(--primary); color: #fff; border: none;
  border-radius: 10px; font-size: 0.98rem; font-weight: 700;
  cursor: pointer; transition: filter 0.15s, transform 0.1s;
}
.btn-primary:hover { filter: brightness(1.08); }
.btn-primary:active { transform: scale(0.99); }
.status-box {
  margin-top: 0.9rem; padding: 0.65rem 0.9rem;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; font-size: 0.86rem; color: var(--text-2);
}
.status-box.error { color: #b91c1c; border-color: #fca5a5; background: #fef2f2; }
@media (prefers-color-scheme: dark) {
  .status-box.error { color: #fca5a5; border-color: #7f1d1d; background: #7f1d1d33; }
}

/* ===== 语音页 ===== */
.hint { font-size: 0.8rem; color: var(--text-3); margin-bottom: 0.9rem; }
.audio-box { margin-bottom: 0.9rem; }
#audio-exists { margin-bottom: 0; }
.audio-label {
  font-size: 0.84rem; color: var(--primary);
  margin-bottom: 0.45rem; font-weight: 700;
}
#audio-new-player { width: 100%; }

#gen-details {
  background: var(--card); border-radius: var(--radius);
  border: 1px solid var(--border); box-shadow: var(--shadow);
  margin-bottom: 0.9rem; overflow: hidden;
}
#gen-details summary {
  cursor: pointer; font-weight: 650; color: var(--text);
  font-size: 0.92rem; padding: 0.85rem 1rem;
  list-style: none; user-select: none;
  background: var(--card-2);
}
#gen-details summary::-webkit-details-marker { display: none; }
#gen-details[open] summary { border-bottom: 1px solid var(--border); }
#gen-details form { padding: 1rem; }
.preview-hint { font-size: 0.78rem; color: var(--text-3); margin-bottom: 0.75rem; }
.page-range { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 0.75rem; }
#tts-form label {
  display: block; font-size: 0.8rem; color: var(--text-2); font-weight: 500;
}
#tts-form input, #tts-form select {
  display: block; width: 100%; margin-top: 0.3rem;
  padding: 0.5rem 0.6rem; border: 1px solid var(--border);
  border-radius: 8px; font-size: 0.92rem;
  background: var(--card-2); color: var(--text);
}
#tts-form input:focus, #tts-form select:focus, .upload-form select:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

/* ===== 阅读器（全屏化，占满剩余视口） ===== */
.reader-view {
  display: flex; flex-direction: column;
  height: calc(100dvh - var(--topbar-h) - var(--tabs-h) - 2rem);
  min-height: 440px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
@supports not (height: 100dvh) {
  .reader-view { height: calc(100vh - var(--topbar-h) - var(--tabs-h) - 2rem); }
}

/* 阅读器打开时：语音面板变为固定高度的 flex 列，阅读器精确填满剩余视口，
   底部播放条永远可见（不用滚动就能控播） */
#panel-tts.active:has(#reader-view:not([hidden])) {
  display: flex; flex-direction: column;
  height: calc(100dvh - var(--topbar-h) - var(--tabs-h) - 2rem);
  min-height: 480px;
}
#panel-tts.active:has(#reader-view:not([hidden])) .panel-head { display: none; }
#audio-exists:has(#reader-view:not([hidden])) {
  flex: 1 1 auto; min-height: 0;
  display: flex; flex-direction: column;
}
#audio-exists:has(#reader-view:not([hidden])) .reader-view {
  flex: 1 1 auto; min-height: 0; height: auto;
}

/* 工具栏：视图切换 + 页码导航 */
.reader-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 0.5rem; flex-wrap: wrap;
  padding: 0.5rem 0.65rem;
  background: var(--card-2);
  border-bottom: 1px solid var(--border);
}
.reader-views {
  display: flex; gap: 0.15rem;
  background: var(--bg); border: 1px solid var(--border);
  padding: 0.18rem; border-radius: 99px;
}
.reader-view-btn {
  border: none; background: none; cursor: pointer;
  padding: 0.32rem 0.72rem; border-radius: 99px;
  font-size: 0.8rem; font-weight: 550; color: var(--text-2);
  white-space: nowrap;
  transition: background 0.18s, color 0.18s;
}
.reader-view-btn.active {
  background: var(--card); color: var(--primary); font-weight: 700;
  box-shadow: var(--shadow);
}
.reader-pagenav { display: flex; align-items: center; gap: 0.4rem; }
.reader-page {
  font-size: 0.95rem; font-weight: 800; color: var(--primary);
  cursor: pointer; user-select: none;
  padding: 0.15rem 0.35rem; border-radius: 6px;
}
.reader-page:hover { background: var(--primary-soft); }
.reader-total { font-size: 0.78rem; color: var(--text-3); margin-right: 0.15rem; }
.reader-nav {
  border: 1px solid var(--border); background: var(--card); color: var(--text-2);
  border-radius: 8px; padding: 0.28rem 0.62rem; font-size: 0.85rem;
  cursor: pointer; transition: border-color 0.15s, color 0.15s;
}
.reader-nav:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.reader-nav:disabled { opacity: 0.35; cursor: default; }

/* 总进度条 + 时间 */
.reader-progress-row {
  display: flex; flex-direction: column; gap: 0.15rem;
  padding: 0.5rem 0.85rem 0.4rem;
  background: var(--card-2);
  border-bottom: 1px solid var(--border);
}
#reader-progress {
  height: 6px; border-radius: 99px;
  background: var(--border); cursor: pointer;
  overflow: hidden;
}
#reader-progress:hover { height: 8px; }
#reader-progress-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--primary-deep));
  border-radius: 99px;
  transition: width 0.2s linear;
}
.reader-times {
  display: flex; justify-content: space-between;
  font-size: 0.7rem; color: var(--text-3);
  font-variant-numeric: tabular-nums;
}

/* 三个视图面板：同一时刻只显示一个，占满剩余高度 */
.reader-pane { display: none; flex: 1 1 auto; min-height: 0; }
.reader-pane.active { display: flex; flex-direction: column; }

#pane-text { background: var(--paper); }
.reader-text {
  flex: 1; overflow-y: auto;
  padding: 1.1rem 1rem 1.5rem;
  font-family: var(--font-serif);
  font-size: 1.5rem; line-height: 1.9;
  color: var(--text);
  text-align: justify;
  scrollbar-width: thin;
  overscroll-behavior: contain;
}
.reader-text::-webkit-scrollbar { width: 4px; }
.reader-text::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

#pane-image { background: var(--card-2); }
.reader-page-img-wrap {
  position: relative; flex: 1; min-height: 0;
  overflow: auto; overscroll-behavior: contain;
  text-align: center;
  background:
    repeating-conic-gradient(rgba(128, 128, 128, 0.06) 0% 25%, transparent 0% 50%) 0 0 / 22px 22px,
    var(--card-2);
}
.reader-img-status {
  position: sticky; top: 0;
  width: fit-content; margin: 1rem auto 0;
  color: var(--text-2); font-size: 0.85rem; white-space: nowrap;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem; border-radius: 999px;
  pointer-events: none;
}
/* 1.35x 缩放让图片溢出容器，JS 逐帧滚动（原有逻辑） */
.reader-page-img {
  display: block; width: 100%; height: auto;
  margin: 12% 0 12% auto;
  transform: scale(1.35); transform-origin: top left;
  pointer-events: none; user-select: none; -webkit-user-drag: none;
  box-shadow: var(--shadow-lg);
  border-radius: 4px;
}

#pane-mindmap { background: var(--card-2); }
.reader-mindmap {
  flex: 1; display: flex; flex-direction: column; min-height: 0;
  padding: 0.7rem 0.9rem 1rem;
}
.mindmap-label {
  font-size: 0.82rem; font-weight: 700; color: var(--text-2);
  margin-bottom: 0.55rem;
}
.mindmap-content {
  flex: 1; min-height: 0; overflow-y: auto; margin: 0;
  background: var(--card);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 0.8rem 0.9rem;
  scrollbar-width: thin;
}
.mindmap-content::-webkit-scrollbar { width: 4px; }
.mindmap-content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.mindmap-auto-status {
  margin-top: 0.5rem; font-size: 0.82rem; color: var(--text-2);
  padding: 0.55rem 0.8rem; border-radius: 8px;
  background: var(--card); border: 1px dashed var(--border);
}
/* render_mind_map_html 生成的导图样式 */
.mind-map { overflow-x: auto; }
.mind-map ul {
  list-style: none; margin: 0; padding-left: 1.25rem; position: relative;
}
.mind-map ul::before {
  content: ""; position: absolute; top: 0.2rem; bottom: 0.7rem;
  left: 0.42rem; border-left: 1.5px solid color-mix(in srgb, var(--primary) 45%, transparent);
}
.mind-map li { position: relative; margin: 0.22rem 0; }
.mind-map li::before {
  content: ""; position: absolute; top: 1rem; left: -0.8rem;
  width: 0.72rem; border-top: 1.5px solid color-mix(in srgb, var(--primary) 45%, transparent);
}
.mind-map li span {
  display: inline-block; padding: 0.28rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 6%, var(--card));
  color: var(--text); line-height: 1.45; font-size: 0.88rem;
}
.mind-map > ul > li > span { font-weight: 800; font-size: 1.12rem; }
.mind-map > ul > li > ul > li > span { font-weight: 700; }

/* 底部播放条 */
.reader-transport {
  padding: 0.5rem 0.75rem calc(0.6rem + env(safe-area-inset-bottom, 0px));
  background: var(--card);
  border-top: 1px solid var(--border);
}
#audio-player {
  width: 100%; height: 44px; display: block;
  accent-color: var(--primary);
}

/* ===== 返回按钮 ===== */
.btn-back {
  display: inline-block; margin-top: 0.5rem; padding: 0.55rem 1.1rem;
  background: var(--card); color: var(--text-2);
  border: 1px solid var(--border); border-radius: 10px;
  font-size: 0.86rem; font-weight: 600; cursor: pointer;
  box-shadow: var(--shadow);
  transition: color 0.15s, border-color 0.15s;
}
.btn-back:hover { color: var(--primary); border-color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 480px) {
  .login-card { padding: 1.75rem 1.25rem; }
  .content { padding: 0.85rem 0.75rem; }
  .tab { font-size: 0.85rem; }
  .topbar { padding-left: calc(0.75rem + env(safe-area-inset-left, 0px)); }
  .task-row { grid-template-columns: 56px 1fr auto; gap: 0.7rem; padding: 0.65rem 0.75rem; }
  .book-cover, .book-cover-fallback { width: 56px; height: 82px; }
  .reader-views { order: 2; width: 100%; justify-content: center; }
  .reader-view-btn { flex: 1; text-align: center; }
  .reader-pagenav { order: 1; width: 100%; justify-content: flex-end; }
  .reader-text { font-size: 1.35rem; }
}

/* 小屏（手机）：JS 驱动的滚动容器不抢占触摸滚动 */
@media (max-width: 640px) {
  #reader-text, #reader-page-img-wrap, .mindmap-content {
    touch-action: pan-y;
    overscroll-behavior: auto;
  }
}