@font-face{font-family:Literata;src:url(/fonts/literata.woff2) format("woff2"),url(/fonts/literata.ttf) format("truetype");font-weight:200 900;font-style:normal;font-display:swap}@font-face{font-family:Literata;src:url(/fonts/literata_italic.woff2) format("woff2"),url(/fonts/literata_italic.ttf) format("truetype");font-weight:200 900;font-style:italic;font-display:swap}:root,:root[data-theme=light]{--bg: #faf7f0;--fg: #2b2620;--muted: rgba(43, 38, 32, .7);--accent: #86671f;--line: rgba(43, 38, 32, .14);--tint: rgba(160, 125, 46, .14);--surface: #f2eee4}:root[data-theme=sepia]{--bg: #f3e9d2;--fg: #43351f;--muted: rgba(67, 53, 31, .74);--accent: #7e6022;--line: rgba(67, 53, 31, .16);--tint: rgba(143, 111, 42, .16);--surface: #ece0c4}:root[data-theme=dark]{--bg: #16181d;--fg: #d8d4cc;--muted: rgba(216, 212, 204, .62);--accent: #c9a24b;--line: rgba(216, 212, 204, .14);--tint: rgba(201, 162, 75, .18);--surface: #1e2128}:root[data-theme=amoled]{--bg: #000000;--fg: #c9c6bf;--muted: rgba(201, 198, 191, .62);--accent: #c9a24b;--line: rgba(201, 198, 191, .14);--tint: rgba(201, 162, 75, .2);--surface: #0d0d0d}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#app{height:100%}body{background:var(--bg);color:var(--fg);font-family:Literata,Georgia,serif;overflow:hidden;overscroll-behavior:none}a{color:inherit;text-decoration:none}.screen{height:100%;display:flex;flex-direction:column;position:relative}.toc{overflow-y:auto;-webkit-overflow-scrolling:touch;width:100%;padding:calc(env(safe-area-inset-top) + 28px) 0 40px}.toc .inner{max-width:720px;margin:0 auto;padding:0 20px}*{scrollbar-width:thin;scrollbar-color:var(--line) transparent}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}::-webkit-scrollbar-track{background:transparent}.brand{padding-bottom:16px;margin-bottom:24px;border-bottom:1px solid rgba(201,162,75,.35)}.brand-title{font-size:44px;font-weight:700;line-height:1.05;margin:0}.brand-sub{font-size:13px;font-weight:400;color:var(--accent);letter-spacing:.09em;text-transform:uppercase;margin-top:6px}.shelf-card{display:flex;gap:16px;border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:16px;background:var(--surface);transition:transform .15s ease,border-color .15s ease}.shelf-card img{width:96px;border-radius:8px;align-self:flex-start}@media(hover:hover){.shelf-card:hover{transform:translateY(-2px);border-color:var(--accent)}}@media(min-width:1024px){.toc.shelf .inner{max-width:1120px}.toc.shelf .brand-title{font-size:56px}.shelf-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:16px}.shelf-grid .shelf-card{margin-bottom:0}.shelf-grid .shelf-card img{width:124px}}.shelf-title{font-size:18px;font-weight:700;line-height:1.25}.shelf-subtitle{color:var(--accent);font-size:14px;margin-top:2px}.shelf-slogan{color:var(--fg);opacity:.78;font-size:14px;line-height:1.5;margin-top:8px}.shelf-progress{color:var(--muted);font-size:12px;margin-top:8px}.shelf-progress:empty{display:none}.shelf-cta{color:var(--accent);font-size:14px;margin-top:10px;font-weight:600}.shelf-hint{color:var(--muted);font-size:13px;text-align:center;margin-top:22px}.sync{color:var(--muted);font-size:13px;text-align:center;margin-top:14px;line-height:1.7}.sync b{color:var(--accent);font-weight:600;letter-spacing:.04em}.sync button{background:transparent;border:1px solid var(--line);border-radius:10px;color:var(--accent);font-family:inherit;font-size:13px;padding:4px 10px;cursor:pointer}.install{text-align:center;margin-top:16px}.install button{background:transparent;border:1px solid var(--accent);border-radius:10px;color:var(--accent);font-family:inherit;font-size:14px;padding:10px 18px;min-height:44px;cursor:pointer}.sync-lead{color:var(--fg);opacity:.85;font-size:15px;line-height:1.6;margin:8px 0 20px;max-width:44ch}.sync-qr{width:fit-content;margin:0 auto 18px;padding:14px;background:#fff;color:#111;border-radius:14px}.sync-qr svg{display:block;width:224px;height:224px}.sync-code{text-align:center;color:var(--muted);font-size:14px;margin-bottom:18px}.sync-code b{color:var(--fg);font-weight:600;letter-spacing:.14em}.sync-primary,.sync-secondary{display:flex;align-items:center;justify-content:center;width:100%;text-align:center;font-family:inherit;border-radius:12px;min-height:48px;cursor:pointer;margin-bottom:10px}.sync-primary{background:var(--accent);border:1px solid var(--accent);color:var(--bg);font-size:15px;font-weight:600}.sync-secondary{background:transparent;border:1px solid var(--line);color:var(--accent);font-size:14px}.sync-actions{display:flex;gap:10px;margin-bottom:10px}.sync-actions button{flex:1;min-height:48px;cursor:pointer;font-family:inherit;font-size:14px;background:transparent;border:1px solid var(--line);color:var(--accent);border-radius:12px}.sync-unlink{display:block;width:100%;min-height:44px;cursor:pointer;font-family:inherit;background:transparent;border:1px solid var(--line);color:var(--muted);font-size:13px;border-radius:12px;margin-top:12px}.sync-input{display:block;width:100%;font-family:inherit;font-size:18px;text-align:center;letter-spacing:.14em;padding:12px;min-height:48px;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;background:var(--surface);color:var(--fg)}.sync-status{color:var(--muted);font-size:13px;text-align:center;min-height:18px;margin-top:6px}.copyright{color:var(--muted);font-size:11px;text-align:center;margin-top:26px;padding-top:14px;border-top:1px solid var(--line);line-height:1.7;opacity:.85}.backlink{display:inline-flex;align-items:center;color:var(--accent);font-size:14px;margin-bottom:8px;min-height:44px;padding-right:12px}.toc img.cover{width:46%;max-width:250px;border-radius:12px;display:block;margin-bottom:16px}.toc h1{font-size:30px;line-height:1.15;font-weight:700}.toc .subtitle{color:var(--accent);font-size:17px;margin-top:6px}.versions{color:var(--muted);font-size:13px;letter-spacing:.05em;margin-top:6px}.versions a{color:var(--accent)}.versions b{color:var(--fg);font-weight:600}.toc .slogan{font-style:italic;font-size:17px;line-height:1.55;color:var(--fg);opacity:.82;margin:12px 0 10px;max-width:46ch}.book-facts{color:var(--muted);font-size:13px;margin-bottom:20px}.booklink{display:inline-block;color:var(--accent);font-size:14px;font-weight:600;margin:-8px 0 20px}.offline-audio{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:48px;margin:-6px 0 20px;padding:10px 16px;border:1px solid var(--accent);border-radius:14px;background:var(--tint);color:var(--accent);font:inherit;font-size:14px;cursor:pointer}.offline-audio.saved{border-color:var(--line);background:var(--surface);color:var(--fg)}.offline-audio:disabled{cursor:progress;opacity:.72}.continue{display:block;border:1px solid var(--line);background:var(--surface);color:inherit;border-radius:14px;padding:14px 16px;margin-bottom:20px}.continue .label{color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.06em}.continue .title{font-size:16px;margin-top:4px}.toc h2{color:var(--accent);font-size:15px;margin:20px 0 4px;font-weight:600}.chapter{display:block;padding:10px 4px;border-bottom:1px solid var(--line)}.chapter .name{font-size:16px;line-height:1.35}.chapter .meta{color:var(--muted);font-size:12px;margin-top:2px}.chapter .state{color:var(--accent);margin-left:8px}.bar{display:flex;align-items:center;gap:2px;padding:calc(env(safe-area-inset-top) + 8px) 10px 8px;width:100%;max-width:704px;margin:0 auto}.bar .title{flex:1;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bar button{background:transparent;border:0;color:inherit;font-family:inherit;font-size:17px;padding:6px 8px;cursor:pointer;border-radius:8px;min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}.bar button:active{background:var(--line)}.viewport{flex:1;overflow:hidden;position:relative;margin:0 auto;width:calc(100% - 44px);max-width:660px;touch-action:none;cursor:grab}.viewport.selecting{touch-action:auto;cursor:text;user-select:text;-webkit-user-select:text}.bar button.on{color:var(--accent);background:var(--tint)}.pages ::selection{background:var(--accent);color:var(--bg)}.pages{height:100%;column-gap:44px;transition:transform .25s ease;will-change:transform}.pages.dragging{transition:none}.pages p{font-size:var(--font-size, 17px);line-height:1.62;text-indent:22px;border-radius:6px;transition:background .2s ease}.pages p.first{text-indent:0}.pages p.selected{background:var(--tint)}.pages p.playing{background:var(--tint);box-shadow:-4px 0 0 0 var(--accent)}.pages figure{break-inside:avoid;margin:10px 0}.pages figure img{width:100%;border-radius:10px;display:block}.footer{padding:4px 22px 2px;width:100%;max-width:704px;margin:0 auto}.footer .row{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-bottom:3px}.footer .track{height:3px;background:var(--line);border-radius:2px}.footer .fill{height:100%;background:var(--accent);border-radius:2px}.chapnav{display:flex;align-items:center;justify-content:space-between;padding:4px 10px calc(env(safe-area-inset-bottom) + 8px);width:100%;max-width:704px;margin:0 auto}.chapnav button{background:transparent;border:0;color:var(--accent);font-family:inherit;font-size:14px;padding:8px 10px;cursor:pointer}.chapnav button:disabled{color:var(--muted);opacity:.5}.chapnav .pos{font-size:12px;color:var(--muted)}.player-open .chapnav{visibility:hidden}.chip{position:absolute;left:50%;transform:translate(-50%);bottom:calc(env(safe-area-inset-bottom) + 58px);background:var(--accent);color:var(--bg);border:0;cursor:pointer;font-family:inherit;font-size:14px;font-weight:600;padding:11px 18px;border-radius:22px;box-shadow:0 4px 18px #00000040;animation:chip-up .18s ease;white-space:nowrap;z-index:3}@keyframes chip-up{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.chip.tr{bottom:calc(env(safe-area-inset-bottom) + 110px);background:var(--surface);color:var(--accent);border:1px solid var(--line);font-weight:600;display:flex;align-items:center;gap:6px;padding:7px 10px}.chip.tr .tr-lbl{font-size:11px;letter-spacing:.06em;text-transform:uppercase;opacity:.7;padding-left:2px}.chip.tr button{background:transparent;border:0;color:inherit;cursor:pointer;font-family:inherit;font-size:14px;font-weight:700;padding:4px 8px;border-radius:12px;line-height:1}.chip.tr button.tr-on{background:var(--accent);color:var(--bg)}.trans{position:absolute;left:12px;right:12px;bottom:calc(env(safe-area-inset-bottom) + 56px);z-index:5;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:14px 16px;font-size:15px;line-height:1.55;box-shadow:0 8px 30px #00000040;max-height:45%;overflow-y:auto;cursor:pointer}.trans .lbl{color:var(--accent);font-size:11px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:6px}.player{position:absolute;left:0;right:0;bottom:0;z-index:4;max-width:704px;margin:0 auto;display:flex;align-items:center;gap:2px;background:var(--surface);border-top:1px solid var(--line);padding:8px 10px calc(env(safe-area-inset-bottom) + 10px);animation:chip-up .18s ease}.player button{background:transparent;border:0;color:var(--accent);font-family:inherit;font-size:20px;padding:4px 12px;cursor:pointer;line-height:1}.player .pl-label{flex:1;text-align:right;font-size:13px;color:var(--muted);padding-right:4px}.player [data-pl-sleep]{font-size:14px;white-space:nowrap}.player [data-pl-sleep].armed{color:var(--accent)}.player [data-pl-speed]{font-size:14px;white-space:nowrap;min-width:42px;padding:4px 8px}.learnlink{display:inline-flex;align-items:center;min-height:44px;color:var(--accent);font-size:14px;letter-spacing:.04em;margin:-6px 0 10px;border-bottom:1px solid var(--line);width:fit-content}.wordsheet{position:fixed;inset:0;z-index:40;background:#00000059;display:flex;align-items:flex-end;justify-content:center}.ws-inner{width:100%;max-width:704px;background:var(--surface);border-radius:14px 14px 0 0;padding:20px 22px calc(env(safe-area-inset-bottom) + 22px);position:relative;border-top:1px solid var(--line)}.ws-close{position:absolute;top:6px;right:6px;min-width:44px;min-height:44px;background:transparent;border:0;color:var(--muted);font-size:16px;cursor:pointer}.ws-word{font-size:24px;font-style:italic;margin-bottom:6px}.ws-status{color:var(--muted);font-size:14px}.ws-gram{color:var(--muted);font-size:13px;margin-bottom:8px}.ws-tr{font-size:18px;margin-bottom:16px}.ws-add{background:transparent;border:1px solid var(--accent);color:var(--accent);font-family:inherit;font-size:15px;padding:10px 18px;min-height:44px;border-radius:10px;cursor:pointer}.ws-add:disabled{border-color:var(--line);color:var(--muted)}.learn .learn-count{color:var(--muted);font-size:13px;margin-bottom:14px}.learn .learn-card{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:22px;margin-bottom:18px}.learn .learn-book{color:var(--muted);font-size:12px;letter-spacing:.06em;margin-bottom:12px}.learn .learn-front{font-size:18px;line-height:1.55}.learn .learn-answer{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}.learn .learn-word{font-size:22px;font-style:italic}.learn .learn-gram{color:var(--muted);font-size:13px;margin:4px 0 8px}.learn .learn-tr{font-size:18px}.learn .learn-audio{margin-top:12px;background:transparent;border:1px solid var(--line);color:var(--fg);font-family:inherit;font-size:14px;padding:8px 14px;min-height:44px;border-radius:10px;cursor:pointer}.learn .learn-show,.learn .grades button{background:transparent;border:1px solid var(--accent);color:var(--accent);font-family:inherit;font-size:15px;min-height:48px;border-radius:10px;cursor:pointer}.learn .learn-show{width:100%}.learn .grades{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.learn .grades button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;line-height:1.15;padding:6px 4px}.learn .grades button small{font-size:11px;color:var(--muted);font-weight:400}.learn .grades button:first-child{border-color:var(--line);color:var(--muted)}.learn .learn-src{display:inline-flex;align-items:center;min-height:44px;color:var(--muted);font-size:13px;margin-top:14px}.learn .learn-empty{font-size:16px;line-height:1.6;color:var(--fg);margin-bottom:16px}.learn .learn-stats{color:var(--muted);font-size:14px;margin-bottom:6px}.learn .learn-stats2{color:var(--muted);font-size:14px;margin-bottom:16px}.learn .learn-deck{display:flex;justify-content:space-between;padding:12px 0;border-top:1px solid var(--line);font-size:15px}.learn .learn-deck-n{color:var(--muted);font-size:13px}.dim-overlay{position:fixed;inset:0;z-index:9999;background:#000;opacity:0;pointer-events:none;transition:opacity .2s ease}.hidden{display:none!important}