:root{--bg: #f7f4ef;--surface: #fffdfa;--surface-2: #f1ece4;--text: #23201c;--text-muted: #7b7369;--text-faint: #a49b90;--line: rgba(35, 32, 28, .1);--line-strong: rgba(35, 32, 28, .2);--accent: #8a5a2b;--danger: #b03a52;--shadow: 0 1px 2px rgba(35, 32, 28, .06), 0 8px 24px rgba(35, 32, 28, .08);--shadow-pop: 0 2px 6px rgba(35, 32, 28, .1), 0 16px 40px rgba(35, 32, 28, .18);--c-mainline: #c2600f;--c-highlight: #9a7400;--c-question: #2c6cb0;--c-critique: #b03a52;--c-association: #147a66;--c-note: #6f675f;--font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-read: "Iowan Old Style", "Palatino", Georgia, "Songti SC", "Source Han Serif SC", serif;--radius: 10px;--radius-lg: 16px}@media (prefers-color-scheme: dark){:root{--bg: #16161a;--surface: #1e1e23;--surface-2: #26262c;--text: #e8e5e0;--text-muted: #9a948c;--text-faint: #6d6862;--line: rgba(232, 229, 224, .12);--line-strong: rgba(232, 229, 224, .24);--accent: 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p:empty{display:none}.data-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.sync-box{margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}.sync-box label{display:grid;grid-template-columns:120px minmax(0,1fr);align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--text-muted)}.sync-box input{width:100%;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface-2);padding:7px 10px;font-size:12.5px;outline:none}.sync-box input:focus{border-color:var(--accent)}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%);z-index:100;padding:9px 18px;border-radius:999px;background:var(--text);color:var(--bg);font-size:13px;box-shadow:var(--shadow-pop);pointer-events:none;animation:toast-in .18s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,8px)}}.flash{animation:flash 1.6s ease}@keyframes flash{0%,40%{background:color-mix(in srgb,var(--accent) 18%,transparent)}to{background:transparent}}@media (hover: none){input,select,textarea,.note-editor,.capture-notes .note-editor{font-size:16px}.page-arrow{opacity:.4;width:12%}.page-arrow:hover{background:none}.thought .head .acts,.note-meta button{opacity:1}.icon-btn{width:38px;height:38px}.note-add{opacity:1;color:var(--text-muted)}}.reader-bar{padding-top:env(safe-area-inset-top);height:calc(48px + env(safe-area-inset-top))}.topbar{padding-top:env(safe-area-inset-top);height:calc(52px + env(safe-area-inset-top))}@media (max-width: 720px){.reader-side{width:100%}.reader-stage.with-side{right:0}.page-inner{padding:20px 16px 80px}.book-hero{gap:14px}.book-hero .cover{width:68px}.capture{width:min(396px,calc(100vw - 20px))}}.capture.sheet{left:0;right:0;bottom:0;top:auto;width:100%;max-height:min(76vh,600px);overflow-y:auto;border:none;border-radius:20px 20px 0 0;box-shadow:0 -1px 0 var(--line-strong),0 -10px 44px #14121047;padding-bottom:env(safe-area-inset-bottom);animation:sheet-up .2s cubic-bezier(.2,.8,.2,1)}.capture.sheet.typed{border-top:none}.capture.sheet.typed .capture-grip{background:var(--tc);opacity:.55}@keyframes sheet-up{0%{transform:translateY(16px);opacity:0}}.capture.sheet .capture-head{padding:4px 18px 12px}.capture.sheet .capture-head .l{font-size:15px}.capture.sheet .capture-lead{padding:4px 18px 12px;font-size:13px}.capture.sheet .capture-types{display:flex;gap:4px;padding:10px;background:var(--surface-2);border-top:1px solid var(--line)}.capture.sheet .capture-type{padding:10px 0 9px;min-height:56px;background:var(--surface);border-color:var(--line)}.capture.sheet .capture-type.on{background:color-mix(in srgb,var(--tc) 16%,var(--surface))}.capture.sheet .capture-hint{padding:8px 18px;background:var(--surface-2)}.capture.sheet .capture-notes{max-height:38vh;padding:14px 18px 10px}.capture.sheet .capture-idle{padding:20px 18px;text-align:center}.capture.sheet .capture-foot{position:sticky;bottom:calc(-1*env(safe-area-inset-bottom));gap:8px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line-strong)}.capture.sheet .capture-foot .keys{display:none}.capture.sheet .capture-foot .btn{flex:1;justify-content:center;padding:11px 12px}.capture.sheet .capture-foot>.btn:last-child{background:var(--text);color:var(--bg);border-color:var(--text)}.capture.sheet .capture-foot .btn.ghost{flex:0 1 auto;background:var(--surface-2);border-color:transparent}@media (max-width: 560px){.reader-bar .title{display:none}.reader-bar{gap:6px;padding:env(safe-area-inset-top) 8px 0}.reader-bar .tools{gap:2px}.reader-bar .chapter{font-size:12px}.topbar{padding:0 14px}.topbar .brand small{display:none}.nav a{padding:6px 9px}.shelf-grid{grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:18px}.page-head h1,.book-hero .info h1{font-size:20px}.stat-row{gap:14px}.stat .n{font-size:17px}.sync-box label{grid-template-columns:1fr;gap:4px}}@media (hover: none) and (max-width: 720px){.capture:not(.sheet){left:0!important;right:0;top:auto!important;bottom:0;width:100%;max-height:min(76vh,600px);border:none;border-radius:20px 20px 0 0;box-shadow:0 -10px 44px #14121047;overflow-y:auto;padding-bottom:env(safe-area-inset-bottom)}.capture:not(.sheet) .capture-foot{position:sticky;bottom:calc(-1*env(safe-area-inset-bottom))}.capture:not(.sheet) .capture-foot .keys{display:none}.capture-notes .note-editor{min-height:88px}}