:root,[data-theme=paper]{--bg: #f4f1ea;--bg-raised: #faf8f3;--bg-sunk: #ebe7dd;--ink: #2b2925;--ink-2: #6b665c;--ink-3: #9a948a;--line: #dcd6c9;--accent: #8b3a2b;--accent-ink: #fbf7f0;--hl-yellow: rgba(222, 178, 52, .32);--hl-green: rgba(120, 160, 90, .28);--hl-blue: rgba(90, 130, 175, .26);--hl-pink: rgba(196, 110, 120, .26);--speaking: rgba(139, 58, 43, .1);--shadow: 0 1px 2px rgba(60, 50, 30, .06), 0 8px 24px rgba(60, 50, 30, .08);--scrim: rgba(40, 34, 25, .28);color-scheme:light}[data-theme=sepia]{--bg: #efe3cc;--bg-raised: #f6ecd9;--bg-sunk: #e5d7bc;--ink: #3b2f22;--ink-2: #6f5d47;--ink-3: #9c8a71;--line: #d9c7a6;--accent: #8b3a2b;--accent-ink: #fbf3e4;--speaking: rgba(139, 58, 43, .12);color-scheme:light}[data-theme=eink]{--bg: #e4e3de;--bg-raised: #ecebe6;--bg-sunk: #d9d8d2;--ink: #1f1f1d;--ink-2: #555550;--ink-3: #85847e;--line: #c9c8c1;--accent: #2f2f2c;--accent-ink: #ecebe6;--hl-yellow: rgba(0, 0, 0, .1);--hl-green: rgba(0, 0, 0, .1);--hl-blue: rgba(0, 0, 0, .1);--hl-pink: rgba(0, 0, 0, .1);--speaking: rgba(0, 0, 0, .07);--shadow: 0 0 0 1px #c9c8c1;color-scheme:light}[data-theme=night]{--bg: #1d1b18;--bg-raised: #26231f;--bg-sunk: #161512;--ink: #c8bfae;--ink-2: #8f877a;--ink-3: #6a645a;--line: #34302a;--accent: #c47a62;--accent-ink: #1d1b18;--hl-yellow: rgba(200, 160, 60, .22);--hl-green: rgba(120, 160, 90, .2);--hl-blue: rgba(100, 140, 190, .2);--hl-pink: rgba(200, 110, 120, .2);--speaking: rgba(196, 122, 98, .14);--shadow: 0 0 0 1px #34302a;--scrim: rgba(0, 0, 0, .45);color-scheme:dark}:root{--ui: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", sans-serif;--serif: "Literata", "Iowan Old Style", Georgia, serif;--r: 12px;--safe-t: env(safe-area-inset-top, 0px);--safe-b: env(safe-area-inset-bottom, 0px);--safe-l: env(safe-area-inset-left, 0px);--safe-r: env(safe-area-inset-right, 0px);--tap: 44px}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;background:var(--bg)}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ui);font-size:16px;line-height:1.45;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer;background:none;border:0;padding:0;touch-action:manipulation}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input,textarea,select{font-size:16px}h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;margin:0}.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.shell{min-height:100%;display:flex;flex-direction:column;padding-left:var(--safe-l);padding-right:var(--safe-r)}.page{flex:1;width:100%;max-width:760px;margin:0 auto;padding:calc(var(--safe-t) + 20px) 20px calc(var(--safe-b) + 150px)}.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px;min-height:var(--tap)}.page-head h1{font-size:30px}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:14px;height:26px;color:var(--accent);flex:none}.muted{color:var(--ink-2)}.small{font-size:14px}.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--bg);border-top:1px solid var(--line);padding:0 calc(var(--safe-r) + 8px) var(--safe-b) calc(var(--safe-l) + 8px)}.tabbar-inner{max-width:520px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr)}.tab{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 7px;font-size:11px;letter-spacing:.02em;color:var(--ink-3);min-height:52px}.tab svg{width:22px;height:22px}.tab[aria-current=page]{color:var(--ink)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--tap);padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--bg-raised);font-size:15px;font-weight:500;white-space:nowrap}.btn:active{background:var(--bg-sunk)}.btn.primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}.btn.accent{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn.ghost{background:transparent;border-color:transparent}.btn.block{width:100%}.btn:disabled{opacity:.5;cursor:default}.icon-btn{width:var(--tap);height:var(--tap);display:inline-grid;place-items:center;border-radius:999px;color:var(--ink);flex:none}.icon-btn:active{background:var(--bg-sunk)}.icon-btn svg{width:22px;height:22px}.icon-btn[aria-pressed=true]{color:var(--accent)}.field{display:block;margin-bottom:14px}.field>span{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px}.input{width:100%;min-height:var(--tap);border:1px solid var(--line);border-radius:10px;padding:10px 12px;background:var(--bg-raised);outline:none}.input:focus{border-color:var(--ink-2)}textarea.input{resize:vertical;min-height:160px;line-height:1.5}.seg{display:flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:var(--bg-sunk);gap:2px}.seg button{flex:1;min-height:36px;border-radius:999px;font-size:14px;color:var(--ink-2);padding:0 10px;white-space:nowrap}.seg button[aria-pressed=true]{background:var(--bg-raised);color:var(--ink);box-shadow:0 1px 2px #00000014}.switch{position:relative;width:46px;height:28px;border-radius:999px;background:var(--line);flex:none;transition:background .15s}.switch:after{content:"";position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:var(--bg-raised);box-shadow:0 1px 2px #0003;transition:transform .15s}.switch[aria-checked=true]{background:var(--accent)}.switch[aria-checked=true]:after{transform:translate(18px)}input[type=range]{width:100%;accent-color:var(--accent);height:32px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:6px 0}.row+.row{border-top:1px solid var(--line)}.row-label{flex:1;min-width:0}.row-label small{display:block;color:var(--ink-2);font-size:13px;margin-top:2px}.group{background:var(--bg-raised);border:1px solid var(--line);border-radius:var(--r);padding:4px 16px;margin-bottom:26px}.group-title{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);margin:0 4px 8px;font-family:var(--ui);font-weight:600}.scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--scrim);z-index:60;animation:fade .15s ease-out}.sheet{position:fixed;left:0;right:0;bottom:0;z-index:61;max-height:min(88dvh,760px);overflow-y:auto;-webkit-overflow-scrolling:touch;background:var(--bg);border-radius:18px 18px 0 0;box-shadow:var(--shadow);padding:8px calc(var(--safe-r) + 20px) calc(var(--safe-b) + 20px) calc(var(--safe-l) + 20px);animation:rise .18s ease-out;overscroll-behavior:contain}.sheet-grip{width:36px;height:4px;border-radius:2px;background:var(--line);margin:4px auto 10px}.sheet-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:14px}.sheet-head h2{font-size:22px}@media (min-width: 700px){.sheet{left:50%;right:auto;bottom:auto;top:50%;transform:translate(-50%,-50%);width:min(560px,calc(100vw - 48px));border-radius:18px;padding-bottom:22px;animation:fade .15s ease-out}.sheet-grip{display:none}}@keyframes fade{0%{opacity:0}}@keyframes rise{0%{transform:translateY(24px);opacity:0}}.toast{position:fixed;left:50%;bottom:calc(var(--safe-b) + 150px);transform:translate(-50%);z-index:90;background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:999px;font-size:14px;max-width:calc(100vw - 40px);text-align:center;animation:fade .15s;pointer-events:none}.notice{border:1px solid var(--line);background:var(--bg-raised);border-radius:var(--r);padding:12px 14px;font-size:14px;color:var(--ink-2);line-height:1.5}.notice.err{border-color:color-mix(in srgb,var(--accent) 40%,var(--line));color:var(--ink)}.doc-list{list-style:none;margin:0;padding:0}.doc-item{display:flex;align-items:stretch;gap:4px;border-top:1px solid var(--line)}.doc-item:last-child{border-bottom:1px solid var(--line)}.doc-open{flex:1;min-width:0;text-align:left;padding:16px 0;display:flex;gap:14px;align-items:flex-start}.doc-spine{width:4px;align-self:stretch;border-radius:2px;background:var(--line);position:relative;overflow:hidden;flex:none}.doc-spine i{position:absolute;left:0;right:0;top:0;background:var(--accent)}.doc-title{font-family:var(--serif);font-size:18px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.doc-meta{margin-top:4px;font-size:13px;color:var(--ink-2);display:flex;flex-wrap:wrap;gap:0 10px}.doc-item .icon-btn{align-self:center;color:var(--ink-3)}@media (min-width: 700px){.doc-list{display:grid;grid-template-columns:1fr 1fr;column-gap:28px}.doc-item:last-child{border-bottom:0}}.empty{text-align:center;padding:56px 12px;max-width:420px;margin:0 auto}.empty h2{font-size:22px;margin-bottom:8px}.empty p{color:var(--ink-2);margin:0 0 24px}.empty-mark{width:22px;height:40px;color:var(--accent);margin-bottom:18px}.import-opts{display:grid;gap:10px}.import-opt{display:flex;align-items:center;gap:14px;text-align:left;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r);background:var(--bg-raised);min-height:64px}.import-opt svg{width:24px;height:24px;flex:none;color:var(--ink-2)}.import-opt b{display:block;font-weight:600}.import-opt small{color:var(--ink-2);font-size:13px}.progress-bar{height:3px;background:var(--line);border-radius:2px;overflow:hidden;margin-top:12px}.progress-bar i{display:block;height:100%;background:var(--accent);transition:width .2s}.reader{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;background:var(--bg);overflow:hidden}.reader-top,.reader-bottom{flex:none;display:flex;align-items:center;gap:4px;padding-left:calc(var(--safe-l) + 6px);padding-right:calc(var(--safe-r) + 6px);transition:opacity .15s}.reader-top{padding-top:var(--safe-t);min-height:calc(var(--safe-t) + 52px);border-bottom:1px solid transparent}.reader-top .title{flex:1;min-width:0;text-align:center;font-size:14px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:0 4px}.reader.chrome-hidden .reader-top>*:not(.title){opacity:0;pointer-events:none}.reader.chrome-hidden .reader-top .title{opacity:.6}.reader-bottom{padding-bottom:calc(var(--safe-b) + 6px);min-height:calc(var(--safe-b) + 34px);justify-content:center;font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}.pager{position:relative;flex:1;min-height:0;overflow:hidden;padding:8px var(--pad-x) 4px}.pager.scroll{overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.flow{height:100%;column-fill:auto;font-family:var(--read-font);font-size:var(--read-size);line-height:var(--read-leading);color:var(--ink);hyphens:auto;-webkit-hyphens:auto;overflow-wrap:break-word;font-optical-sizing:auto}.pager.scroll .flow{height:auto;max-width:40em;margin:0 auto;padding-bottom:40vh}.flow.justify p{text-align:justify}.flow p{margin:0 0 .8em;orphans:2;widows:2}.flow h2{font-family:var(--read-font);font-size:1.22em;line-height:1.3;font-weight:600;margin:1.2em 0 .6em;break-after:avoid}.flow>:first-child{margin-top:0}.flow span[data-o]{border-radius:2px;-webkit-box-decoration-break:clone;box-decoration-break:clone}.flow .hl-yellow{background:var(--hl-yellow)}.flow .hl-green{background:var(--hl-green)}.flow .hl-blue{background:var(--hl-blue)}.flow .hl-pink{background:var(--hl-pink)}.flow .ul{text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:1.5px;text-underline-offset:.18em}.flow .has-note{text-decoration:underline dotted;text-decoration-color:var(--ink-2);text-underline-offset:.2em}.flow .bm{box-shadow:inset 2px 0 0 var(--accent)}.flow .speaking{background-color:var(--speaking)}.flow .note-dot{display:inline-block;width:.42em;height:.42em;border-radius:50%;background:var(--accent);vertical-align:super;margin-left:2px}.section-end{display:flex;justify-content:center;padding:24px 0}.page-ribbon{position:absolute;top:0;right:calc(var(--pad-x) * .4);width:14px;height:30px;color:var(--accent);pointer-events:none}.dim-layer{position:fixed;top:0;right:0;bottom:0;left:0;background:#000;pointer-events:none;z-index:80}.selbar{position:fixed;left:50%;transform:translate(-50%);bottom:calc(var(--safe-b) + 12px);z-index:50;display:flex;align-items:center;gap:2px;padding:6px;border-radius:16px;background:var(--ink);color:var(--bg);box-shadow:var(--shadow);max-width:calc(100vw - 16px);overflow-x:auto;animation:fade .12s}.selbar button{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:54px;min-height:48px;padding:4px 6px;border-radius:10px;font-size:11px;color:inherit}.selbar button:active{background:#ffffff1f}.selbar svg{width:20px;height:20px}.swatches{display:flex;gap:10px;margin:4px 0 16px}.swatch{width:36px;height:36px;border-radius:50%;border:2px solid transparent}.swatch[aria-pressed=true]{border-color:var(--ink)}.swatch.yellow{background:var(--hl-yellow)}.swatch.green{background:var(--hl-green)}.swatch.blue{background:var(--hl-blue)}.swatch.pink{background:var(--hl-pink)}.swatch.underline{background:var(--bg-raised);border-color:var(--line);display:grid;place-items:center;font-family:var(--serif);text-decoration:underline;text-decoration-color:var(--accent)}.swatch.underline[aria-pressed=true]{border-color:var(--ink)}.quote{font-family:var(--serif);font-size:17px;line-height:1.55;border-left:3px solid var(--line);padding:2px 0 2px 14px;margin:0 0 14px;color:var(--ink)}.theme-pick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.theme-pick button{border-radius:10px;border:2px solid var(--line);padding:12px 4px 8px;font-size:12px;display:flex;flex-direction:column;align-items:center;gap:4px}.theme-pick button b{font-family:var(--serif);font-size:20px;font-weight:500}.theme-pick button[aria-pressed=true]{border-color:var(--ink)}.stepper{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:var(--bg-raised)}.stepper button{width:48px;height:40px;display:grid;place-items:center}.stepper output{min-width:36px;text-align:center;font-variant-numeric:tabular-nums;font-size:14px}.toc{list-style:none;padding:0;margin:0}.toc button{width:100%;text-align:left;padding:12px 0;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:16px;display:flex;justify-content:space-between;gap:12px}.toc button span:last-child{color:var(--ink-3);font-family:var(--ui);font-size:13px;font-variant-numeric:tabular-nums}.toc button[aria-current=true]{color:var(--accent)}.player{position:fixed;left:50%;transform:translate(-50%);z-index:40;width:min(560px,calc(100vw - 16px - var(--safe-l) - var(--safe-r)));background:var(--bg-raised);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:8px 8px 8px 14px}.player.in-shell{bottom:calc(var(--safe-b) + 62px)}.player.in-reader{bottom:calc(var(--safe-b) + 36px)}.player-main{display:flex;align-items:center;gap:2px}.player-info{flex:1;min-width:0;padding-right:6px;text-align:left}.player-info b{display:block;font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-info small{display:block;font-size:12px;color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player .play{width:48px;height:48px;border-radius:50%;background:var(--ink);color:var(--bg);display:grid;place-items:center;flex:none}.player .play svg{width:22px;height:22px}.player-track{height:2px;background:var(--line);border-radius:1px;margin:6px 6px 0 0;overflow:hidden}.player-track i{display:block;height:100%;background:var(--accent)}.player-actions{display:flex;justify-content:space-between;gap:2px;margin-top:6px;padding-right:6px}.chip{display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:0 12px;border-radius:999px;font-size:13px;color:var(--ink-2);border:1px solid var(--line);white-space:nowrap}.chip svg{width:16px;height:16px}.chip:active{background:var(--bg-sunk)}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 359px){.chip span{display:none}}.filters{display:flex;gap:8px;overflow-x:auto;margin:0 -20px 18px;padding:0 20px;scrollbar-width:none}.filters::-webkit-scrollbar{display:none}.filters button{min-height:36px;padding:0 14px;border-radius:999px;border:1px solid var(--line);font-size:14px;color:var(--ink-2);white-space:nowrap}.filters button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--bg)}.saved-group{margin-bottom:28px}.saved-group h3{font-size:15px;font-family:var(--ui);font-weight:600;color:var(--ink-2);margin-bottom:8px;display:flex;justify-content:space-between;align-items:center;gap:10px}.saved-card{border-top:1px solid var(--line);padding:14px 0 6px}.saved-card .quote{margin-bottom:8px}.saved-card .quote.ul{text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:.2em}.saved-card .quote[data-style=yellow]{border-color:#deb234cc}.saved-card .quote[data-style=green]{border-color:#78a05acc}.saved-card .quote[data-style=blue]{border-color:#5a82afcc}.saved-card .quote[data-style=pink]{border-color:#c46e78cc}.saved-card .quote[data-style=underline]{border-color:var(--accent)}.saved-note{font-size:15px;line-height:1.5;margin:0 0 8px;white-space:pre-wrap}.saved-note b{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-2);margin-right:6px}.saved-actions{display:flex;gap:4px;margin-left:-10px}.saved-actions .btn{min-height:36px;font-size:13px;padding:0 10px}.welcome{min-height:100%;display:grid;grid-template-columns:1fr;max-width:1080px;margin:0 auto;padding:calc(var(--safe-t) + 28px) calc(var(--safe-r) + 22px) calc(var(--safe-b) + 28px) calc(var(--safe-l) + 22px);gap:36px;align-content:center}.welcome-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:22px;margin-bottom:28px}.welcome h1{font-size:clamp(30px,7vw,46px);line-height:1.12;margin-bottom:16px}.welcome .lead{font-size:17px;line-height:1.6;color:var(--ink-2);margin:0 0 28px;max-width:34em}.features{list-style:none;margin:0;padding:0;display:grid;gap:18px}.features li{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start}.features svg{width:22px;height:22px;color:var(--accent);margin-top:2px}.features b{display:block;font-weight:600;margin-bottom:2px}.features span{color:var(--ink-2);font-size:15px}.auth-card{background:var(--bg-raised);border:1px solid var(--line);border-radius:18px;padding:24px 20px;box-shadow:var(--shadow)}.auth-card h2{font-size:22px;margin-bottom:6px}.auth-card .explain{font-size:14px;color:var(--ink-2);line-height:1.55;margin:0 0 18px}.divider{display:flex;align-items:center;gap:12px;color:var(--ink-3);font-size:13px;margin:18px 0}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}.linkish{color:var(--ink-2);font-size:14px;text-decoration:underline;text-underline-offset:3px;min-height:36px}.specimen{font-family:var(--serif);font-size:18px;line-height:1.7;color:var(--ink);border-top:1px solid var(--line);padding-top:22px;margin-top:30px;max-width:30em}@media (max-width: 600px){.specimen{display:none}}.specimen mark{background:var(--hl-yellow);color:inherit;border-radius:2px}.specimen .speaking{background:var(--speaking);border-radius:2px}@media (min-width: 900px){.welcome{grid-template-columns:1.2fr 1fr;gap:72px;align-items:center}}.rest{text-align:center;padding:10px 0 4px}.rest .count{font-family:var(--serif);font-size:56px;font-variant-numeric:tabular-nums;margin:8px 0}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}