:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --bg: #f7f3ec;
  --panel: rgba(255, 253, 249, .94);
  --panel-solid: #fffdf9;
  --text: #28251f;
  --muted: #777168;
  --line: rgba(73, 64, 52, .13);
  --accent: #735a3d;
  --accent-contrast: #fffaf3;
  --danger: #a33f38;
  --shadow: 0 12px 40px rgba(54, 44, 32, .14);
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; background: var(--bg); color: var(--text); }
button, input { font: inherit; }
button { color: inherit; }
.hidden { display: none !important; }
.app { width: 100%; height: 100dvh; color: var(--text); min-height: -webkit-fill-available; background: var(--bg); overflow: hidden; }
.app[data-theme="sepia"] { --bg:#efe5d1; --panel:rgba(247,238,218,.95); --panel-solid:#f7eeda; --text:#33291d; --muted:#746650; --line:rgba(72,54,31,.16); --accent:#7e5e34; }
.app[data-theme="dark"] { --bg:#121313; --panel:rgba(28,29,29,.96); --panel-solid:#1c1d1d; --text:#e7e5df; --muted:#a7a49c; --line:rgba(255,255,255,.12); --accent:#c6a77d; --accent-contrast:#191713; --shadow:0 12px 40px rgba(0,0,0,.42); color-scheme:dark; }

.home-view { height:100%; overflow-y:auto; padding:calc(var(--safe-top) + 24px) max(20px,var(--safe-right)) calc(var(--safe-bottom) + 26px) max(20px,var(--safe-left)); }
.home-header { display:flex; align-items:flex-start; justify-content:space-between; gap:12px; max-width:720px; margin:0 auto 26px; }
.eyebrow { margin:0 0 6px; font-size:11px; font-weight:700; letter-spacing:.12em; color:var(--accent); text-transform:uppercase; }
h1 { margin:0; font-size:clamp(28px,7vw,42px); line-height:1.08; letter-spacing:-.035em; }
.subtitle { margin:10px 0 0; color:var(--muted); font-size:14px; line-height:1.5; }
.icon-btn { min-width:42px; height:42px; padding:0 10px; border:0; border-radius:14px; background:var(--panel); box-shadow:0 3px 12px rgba(0,0,0,.06); display:grid; place-items:center; font-size:20px; font-weight:700; }
.icon-btn:active { transform:scale(.96); }
.primary-open { width:100%; max-width:720px; margin:0 auto 30px; border:0; border-radius:24px; padding:20px 22px; background:var(--accent); color:var(--accent-contrast); display:flex; align-items:center; gap:16px; text-align:left; box-shadow:var(--shadow); }
.primary-open:active { transform:scale(.985); }
.primary-open-icon { width:48px; height:48px; display:grid; place-items:center; border-radius:16px; background:rgba(255,255,255,.16); font-size:30px; font-weight:300; }
.primary-open strong { display:block; font-size:18px; }
.primary-open small { display:block; opacity:.75; margin-top:4px; font-size:12px; }
.library-section { max-width:720px; margin:0 auto; }
.section-title-row { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.section-title-row h2 { font-size:18px; margin:0; }
.text-btn { border:0; background:transparent; color:var(--accent); font-weight:600; padding:8px; }
.library-list { display:grid; gap:10px; }
.book-card { width:100%; border:1px solid var(--line); border-radius:18px; background:var(--panel-solid); padding:14px; display:grid; grid-template-columns:46px 1fr auto; gap:12px; align-items:center; text-align:left; }
.book-card:active { transform:scale(.99); }
.book-glyph { width:46px; height:58px; border-radius:9px 13px 13px 9px; display:grid; place-items:center; background:color-mix(in srgb,var(--accent) 15%,var(--panel-solid)); color:var(--accent); font-size:22px; border-left:4px solid color-mix(in srgb,var(--accent) 48%,transparent); }
.book-card-title { font-size:15px; font-weight:700; line-height:1.3; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.book-card-meta { margin-top:5px; color:var(--muted); font-size:12px; }
.book-card-progress { min-width:42px; text-align:right; font-size:12px; font-weight:700; color:var(--accent); }
.empty-library { border:1px dashed var(--line); border-radius:22px; padding:38px 24px; text-align:center; color:var(--muted); }
.empty-library p { margin:10px 0 5px; color:var(--text); font-weight:700; }
.empty-library small { display:block; line-height:1.5; }
.empty-book { font-size:38px; opacity:.6; }
.home-view footer { max-width:720px; margin:30px auto 0; text-align:center; font-size:11px; color:var(--muted); }

.reader-view { position:relative; height:100%; background:var(--bg); overflow:hidden; }
.reader-stage { position:absolute; inset:0; background:var(--bg); overflow:hidden; }
.viewer { position:absolute; inset:0; overflow:hidden; transition:opacity .16s ease, transform .16s ease; }
.viewer.turning-slide-next { transform:translateX(-2.5%); opacity:.72; }
.viewer.turning-slide-prev { transform:translateX(2.5%); opacity:.72; }
.viewer.turning-fade { opacity:.45; }
.reader-topbar { position:absolute; z-index:20; top:0; left:0; right:0; min-height:calc(var(--safe-top) + 58px); padding:calc(var(--safe-top) + 8px) max(10px,var(--safe-right)) 8px max(10px,var(--safe-left)); display:grid; grid-template-columns:42px minmax(0,1fr) 42px 48px; gap:6px; align-items:center; background:linear-gradient(to bottom,var(--panel-solid) 20%,var(--panel) 72%,transparent); transition:transform .22s ease, opacity .22s ease; }
.reader-topbar .icon-btn { background:transparent; box-shadow:none; }
.book-heading { min-width:0; text-align:center; }
.book-title { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-size:14px; font-weight:700; }
.chapter-title { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; color:var(--muted); font-size:10px; margin-top:2px; }
.reader-bottombar { position:absolute; z-index:20; bottom:0; left:0; right:0; min-height:calc(var(--safe-bottom) + 78px); padding:10px max(14px,var(--safe-right)) calc(var(--safe-bottom) + 10px) max(14px,var(--safe-left)); display:grid; grid-template-columns:44px minmax(0,1fr) 44px; gap:12px; align-items:center; background:linear-gradient(to top,var(--panel-solid) 20%,var(--panel) 72%,transparent); transition:transform .22s ease, opacity .22s ease; }
.reader-view.chrome-hidden .reader-topbar { transform:translateY(-110%); opacity:0; pointer-events:none; }
.reader-view.chrome-hidden .reader-bottombar { transform:translateY(110%); opacity:0; pointer-events:none; }
.round-btn { width:44px; height:44px; border:1px solid var(--line); border-radius:50%; background:var(--panel-solid); font-size:30px; line-height:1; display:grid; place-items:center; }
.progress-wrap { min-width:0; }
.progress-wrap input { width:100%; }
.progress-labels { display:flex; justify-content:space-between; gap:8px; color:var(--muted); font-size:10px; margin-top:3px; }
input[type="range"] { -webkit-appearance:none; appearance:none; height:28px; background:transparent; margin:0; }
input[type="range"]::-webkit-slider-runnable-track { height:4px; border-radius:99px; background:color-mix(in srgb,var(--accent) 25%,var(--line)); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance:none; width:22px; height:22px; border-radius:50%; margin-top:-9px; background:var(--accent); border:3px solid var(--panel-solid); box-shadow:0 1px 6px rgba(0,0,0,.22); }
.tap-zone { position:absolute; z-index:8; top:calc(var(--safe-top) + 52px); bottom:calc(var(--safe-bottom) + 66px); border:0; background:transparent; padding:0; }
.tap-zone-left { left:0; width:30%; }
.tap-zone-center { left:30%; width:40%; }
.tap-zone-right { right:0; width:30%; }
.reader-view.scroll-mode .tap-zone-left,.reader-view.scroll-mode .tap-zone-right { display:none; }
.page-indicator { position:absolute; z-index:12; right:max(12px,var(--safe-right)); bottom:calc(var(--safe-bottom) + 78px); padding:5px 9px; border-radius:999px; background:color-mix(in srgb,var(--panel-solid) 88%,transparent); box-shadow:0 2px 10px rgba(0,0,0,.08); font-size:10px; color:var(--muted); pointer-events:none; }
.loading-overlay { position:absolute; z-index:40; inset:0; display:grid; place-content:center; justify-items:center; gap:12px; background:var(--bg); }
.loading-overlay p { margin:0; color:var(--muted); font-size:13px; }
.spinner { width:30px; height:30px; border:3px solid var(--line); border-top-color:var(--accent); border-radius:50%; animation:spin .8s linear infinite; }
@keyframes spin { to{transform:rotate(360deg)} }

.scrim { position:fixed; z-index:60; inset:0; background:rgba(0,0,0,.32); backdrop-filter:blur(2px); }
.drawer { position:fixed; z-index:70; top:0; bottom:0; width:min(88vw,390px); background:var(--panel-solid); box-shadow:var(--shadow); transition:transform .25s cubic-bezier(.2,.8,.2,1); display:flex; flex-direction:column; }
.drawer-left { left:0; transform:translateX(-104%); padding-left:var(--safe-left); }
.drawer-right { right:0; transform:translateX(104%); padding-right:var(--safe-right); }
.drawer.open { transform:translateX(0); }
.drawer-header { min-height:calc(var(--safe-top) + 72px); padding:calc(var(--safe-top) + 16px) 16px 12px; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; align-items:center; gap:12px; }
.drawer-header h2 { margin:0; font-size:20px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.drawer-header .icon-btn { box-shadow:none; background:transparent; }
.search-box { margin:12px 14px 8px; height:42px; border:1px solid var(--line); border-radius:14px; display:flex; align-items:center; gap:8px; padding:0 12px; background:var(--bg); }
.search-box input { width:100%; border:0; outline:0; background:transparent; color:var(--text); }
.toc-list { flex:1; overflow-y:auto; padding:4px 10px calc(var(--safe-bottom) + 20px); }
.toc-item { display:block; width:100%; border:0; background:transparent; text-align:left; padding:12px 10px; border-bottom:1px solid var(--line); font-size:14px; line-height:1.35; }
.toc-item.depth-1 { padding-left:24px; font-size:13px; }
.toc-item.depth-2 { padding-left:38px; font-size:12px; color:var(--muted); }
.toc-empty { padding:30px 12px; color:var(--muted); text-align:center; }
.settings-scroll { overflow-y:auto; padding:10px 14px calc(var(--safe-bottom) + 24px); }
.setting-group { padding:14px 0 18px; border-bottom:1px solid var(--line); }
.setting-group h3 { margin:0 0 10px; font-size:14px; }
.setting-note { margin:8px 2px 0; color:var(--muted); font-size:11px; line-height:1.5; }
.segmented { display:grid; grid-template-columns:repeat(2,1fr); gap:5px; padding:4px; background:var(--bg); border-radius:14px; }
.segmented.three { grid-template-columns:repeat(3,1fr); }
.segmented button { min-height:38px; padding:6px 8px; border:0; border-radius:10px; background:transparent; color:var(--muted); font-size:12px; font-weight:600; }
.segmented button.active { background:var(--panel-solid); color:var(--text); box-shadow:0 2px 9px rgba(0,0,0,.08); }
.setting-row { display:flex; justify-content:space-between; align-items:center; gap:14px; padding:9px 0; }
.setting-row h3 { margin:0 0 3px; }
.setting-row p { margin:0; color:var(--muted); font-size:11px; line-height:1.4; }
.switch { flex:0 0 auto; }
.switch input { display:none; }
.switch span { display:block; width:48px; height:28px; border-radius:999px; background:var(--line); position:relative; transition:.2s; }
.switch span::after { content:""; position:absolute; width:24px; height:24px; left:2px; top:2px; border-radius:50%; background:#fff; box-shadow:0 1px 5px rgba(0,0,0,.22); transition:.2s; }
.switch input:checked + span { background:var(--accent); }
.switch input:checked + span::after { transform:translateX(20px); }
.theme-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:8px; }
.theme-grid button { border:1px solid var(--line); background:var(--panel-solid); border-radius:13px; padding:10px 4px; font-size:11px; }
.theme-grid button.active { outline:2px solid var(--accent); outline-offset:-2px; }
.theme-swatch { display:block; width:28px; height:28px; border-radius:50%; margin:0 auto 6px; border:1px solid rgba(0,0,0,.12); }
.theme-swatch.paper { background:#fffdf9; }.theme-swatch.sepia{background:#efe5d1}.theme-swatch.dark{background:#151616}
.range-group label { display:flex; justify-content:space-between; margin:8px 0 0; font-size:13px; }
.range-group output { color:var(--muted); }
.range-group input { width:100%; }
.secondary-btn,.danger-btn { width:100%; min-height:44px; margin-top:8px; border-radius:13px; border:1px solid var(--line); background:var(--bg); font-weight:600; }
.danger-btn { color:var(--danger); }
.danger-text-btn { width:100%; border:0; background:transparent; color:var(--danger); padding:14px 0 4px; font-size:12px; }
.privacy-card { margin-top:16px; padding:14px; border-radius:16px; background:var(--bg); color:var(--muted); font-size:11px; line-height:1.55; }
.privacy-card strong { color:var(--text); font-size:12px; }
.privacy-card p { margin:5px 0 0; }
.toast { position:fixed; z-index:100; left:50%; bottom:calc(var(--safe-bottom) + 92px); transform:translateX(-50%); max-width:86vw; padding:10px 14px; border-radius:12px; background:rgba(24,24,24,.9); color:#fff; font-size:12px; box-shadow:var(--shadow); text-align:center; }

@media (min-width:700px) {
  .home-view { padding-top:calc(var(--safe-top) + 42px); }
  .reader-topbar { padding-left:20px; padding-right:20px; }
  .reader-bottombar { padding-left:24px; padding-right:24px; }
}
@media (max-height:650px) {
  .reader-topbar { min-height:calc(var(--safe-top) + 48px); }
  .reader-bottombar { min-height:calc(var(--safe-bottom) + 62px); }
  .page-indicator { bottom:calc(var(--safe-bottom) + 64px); }
}
@media (prefers-reduced-motion:reduce) { * { animation-duration:.01ms !important; transition-duration:.01ms !important; } }
.tap-zone { pointer-events:none; }
button:disabled { opacity:.4; pointer-events:none; }

/* v1.1：图片型漫画专用渲染器 */
.comic-page,
.comic-scroll-page {
  width:100%;
  min-height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--bg);
  overflow:hidden;
  -webkit-user-select:none;
  user-select:none;
  -webkit-touch-callout:none;
}
.comic-page-paginated {
  position:absolute;
  inset:0;
  padding:calc(var(--safe-top) + 2px) max(2px,var(--safe-right)) calc(var(--safe-bottom) + 2px) max(2px,var(--safe-left));
  box-sizing:border-box;
}
.comic-image {
  display:block;
  width:auto;
  height:auto;
  max-width:100%;
  max-height:100%;
  object-fit:contain;
  margin:auto;
  border:0;
  background:transparent;
}
.comic-page-paginated .comic-image {
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
}
.comic-scroll {
  position:absolute;
  inset:0;
  overflow-y:auto;
  overflow-x:hidden;
  overscroll-behavior-y:contain;
  -webkit-overflow-scrolling:touch;
  scroll-behavior:auto;
  padding:calc(var(--safe-top) + 52px) 0 calc(var(--safe-bottom) + 76px);
  box-sizing:border-box;
  background:var(--bg);
}
.comic-scroll-page {
  min-height:70vh;
  height:auto;
  padding:2px 0;
  box-sizing:border-box;
  flex-direction:column;
}
.comic-scroll-page .comic-image {
  width:100%;
  height:auto;
  max-height:none;
}
.comic-page-loading,
.comic-page-placeholder,
.comic-page-error {
  min-height:180px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  color:var(--muted);
  font-size:12px;
  text-align:center;
  padding:24px;
  box-sizing:border-box;
}
.comic-page-error { color:var(--danger); }
.comic-html-fallback {
  display:block;
  width:100%;
  height:100%;
  min-height:70vh;
  border:0;
  background:#fff;
}
.comic-page-paginated .comic-html-fallback {
  position:absolute;
  inset:0;
}


/* v1.2 阅读沉浸与目录进度节点 */
.reader-topbar {
  grid-template-columns:42px minmax(0,1fr) 38px 38px 42px;
  gap:3px;
}
.reader-topbar .reader-aa-btn { font-size:14px; letter-spacing:-.04em; }
.progress-wrap { position:relative; min-width:0; }
.progress-track-shell { position:relative; height:28px; }
.progress-track-shell > input[type="range"] { position:relative; z-index:2; width:100%; }
.progress-markers { position:absolute; z-index:3; inset:0 10px; pointer-events:none; }
.progress-marker {
  position:absolute;
  top:3px;
  width:12px;
  height:22px;
  margin:0;
  padding:0;
  transform:translateX(-50%);
  border:0;
  background:transparent;
  pointer-events:auto;
  cursor:pointer;
}
.progress-marker::before {
  content:"";
  position:absolute;
  left:50%;
  top:8px;
  width:5px;
  height:10px;
  transform:translateX(-50%);
  border-radius:99px;
  background:color-mix(in srgb,var(--accent) 62%,var(--panel-solid));
  border:1px solid color-mix(in srgb,var(--panel-solid) 82%,transparent);
  box-shadow:0 0 0 1px color-mix(in srgb,var(--accent) 18%,transparent);
  transition:transform .14s ease, width .14s ease, background .14s ease;
}
.progress-marker:active::before,
.progress-marker.active::before,
.progress-marker.pulse::before {
  width:8px;
  transform:translateX(-50%) scale(1.15);
  background:var(--accent);
}
.progress-preview {
  --preview-left:50%;
  position:absolute;
  z-index:6;
  left:clamp(56px,var(--preview-left),calc(100% - 56px));
  bottom:39px;
  min-width:94px;
  max-width:min(230px,72vw);
  padding:7px 10px 8px;
  transform:translateX(-50%);
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--panel-solid);
  box-shadow:0 7px 24px rgba(0,0,0,.18);
  text-align:center;
  pointer-events:none;
}
.progress-preview::after {
  content:"";
  position:absolute;
  left:50%;
  bottom:-5px;
  width:9px;
  height:9px;
  transform:translateX(-50%) rotate(45deg);
  background:var(--panel-solid);
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.progress-preview strong,
.progress-preview span { display:block; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.progress-preview strong { font-size:12px; line-height:1.2; }
.progress-preview span { margin-top:3px; color:var(--muted); font-size:10px; }
.reader-view.seeking .reader-topbar,
.reader-view.seeking .reader-bottombar { transform:none !important; opacity:1 !important; pointer-events:auto !important; }
.page-indicator {
  left:50%;
  right:auto;
  bottom:calc(var(--safe-bottom) + 2px);
  transform:translateX(-50%);
  padding:2px 7px;
  border-radius:7px;
  background:color-mix(in srgb,var(--panel-solid) 58%,transparent);
  box-shadow:none;
  font-size:9px;
  line-height:1.1;
  opacity:.78;
  transition:opacity .18s ease;
}
.reader-view:not(.chrome-hidden) .page-indicator,
.reader-view.seeking .page-indicator { opacity:0; }
.reader-view.chrome-hidden .page-indicator { opacity:.78; }
.standalone-note { margin-top:8px !important; font-size:11px; color:var(--muted); }
@media (max-width:380px) {
  .reader-topbar { grid-template-columns:38px minmax(0,1fr) 34px 34px 38px; gap:1px; }
  .reader-topbar .icon-btn { min-width:34px; padding:0 6px; }
}