:root{--paper:#f5f0e5;--card:#fffdf7;--ink:#29271f;--muted:#817c70;--accent:#7e6428;--line:#ded7c9;--highlight:#ffe13b;--font:26px;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;background:var(--paper);color:var(--ink)}*{box-sizing:border-box}body{margin:0}body.dark{--paper:#1f211e;--card:#2b2d28;--ink:#e6e1d3;--muted:#a6a496;--accent:#d3b569;--line:#46493f;--highlight:#b49826;color-scheme:dark}button,input,select{font:inherit}button{color:inherit;cursor:pointer;border:0;background:transparent;border-radius:12px;padding:10px 14px;touch-action:manipulation}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:3px}button:disabled{opacity:.45;cursor:default}[hidden]{display:none!important}button:hover{background:color-mix(in srgb,var(--accent) 9%,transparent)}.topbar{height:calc(80px + env(safe-area-inset-top));padding:env(safe-area-inset-top) max(20px,env(safe-area-inset-left)) 0;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);position:fixed;inset:0 0 auto;background:var(--paper);z-index:5}.topbar>div{text-align:center;min-width:0}.topbar strong{display:block;font-size:19px;letter-spacing:2px}.topbar span{display:block;font-size:12px;color:var(--muted);margin-top:5px}.icon-button{font-size:23px;min-width:48px;color:var(--accent)}.welcome{max-width:750px;margin:0 auto;padding:130px 28px 36px;text-align:center}.eyebrow{color:var(--accent);font-size:11px;letter-spacing:3px;margin:12px 0 28px}.welcome img{border-radius:22px}.welcome h1{font-family:"Songti SC","Noto Serif CJK SC",serif;font-size:clamp(36px,7vw,54px);font-weight:500;line-height:1.45;letter-spacing:3px;margin:24px 0 20px}.intro{color:var(--muted);line-height:1.9;font-size:15px}.primary{background:var(--ink);color:var(--paper);font-weight:600;padding:17px 24px;min-width:230px;border-radius:15px}.primary:hover{background:var(--accent);color:var(--paper)}.welcome .primary{display:block;margin:30px auto 10px}.primary span{padding-left:24px}.quiet{color:var(--accent);font-size:13px}.steps{display:flex;justify-content:center;gap:26px;margin:38px 0 30px;padding-top:25px;border-top:1px solid var(--line)}.steps>div{display:grid;gap:8px}.steps b{font-size:12px;font-weight:400;color:var(--accent)}.steps span{font-size:12px;color:var(--muted)}.privacy{font-size:11px;letter-spacing:1px;color:var(--muted)}.reader{position:fixed;top:calc(80px + env(safe-area-inset-top));bottom:calc(185px + env(safe-area-inset-bottom));left:0;right:0;overflow:auto;overscroll-behavior-y:contain;scroll-padding-block:28px;padding:22px max(24px,env(safe-area-inset-left)) 80px}#book{max-width:820px;margin:auto;font-family:"Songti SC","STSong","Noto Serif CJK SC",serif;font-size:var(--font);line-height:1.9;overflow-wrap:anywhere}#book h2{font:600 .79em/1.7 -apple-system,BlinkMacSystemFont,sans-serif;text-align:center;margin:24px 0 34px;scroll-margin-top:24px}#book p{margin:0 0 1.05em;text-indent:2em}#book .sentence{border-radius:5px;box-decoration-break:clone;-webkit-box-decoration-break:clone;cursor:pointer}#book .sentence.active{background:var(--highlight);color:#242112;padding:3px 0}#book .sentence.unreliable{text-decoration:underline dotted;color:var(--muted);text-underline-offset:4px}#book .quality-note{font:12px/1.7 -apple-system,sans-serif;color:var(--muted);border:1px solid var(--line);padding:12px;text-indent:0;border-radius:10px}.player{position:fixed;bottom:0;left:0;right:0;background:var(--paper);border-top:1px solid var(--line);padding:7px max(18px,env(safe-area-inset-left)) calc(12px + env(safe-area-inset-bottom));min-height:185px;z-index:6}.chapter-row{max-width:820px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted)}.chapter-row>span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.chapter-row button{color:var(--accent);white-space:nowrap}.progress-row{max-width:820px;display:flex;gap:12px;align-items:center;margin:6px auto 12px;font-size:11px;font-variant-numeric:tabular-nums;color:var(--muted)}input[type=range]{flex:1;min-width:0;accent-color:var(--accent);height:28px}.controls{display:flex;align-items:center;justify-content:space-between;max-width:500px;margin:auto;gap:10px}.controls button{min-width:46px;min-height:44px;color:var(--accent)}.controls #backButton,.controls #forwardButton{font-size:30px;position:relative}.controls small{position:absolute;font-size:10px;inset:21px 0 auto;text-align:center}.controls .play{border-radius:50%;width:62px;height:62px;font-size:26px;color:var(--paper);background:var(--ink);line-height:1}.controls #followButton{font-size:12px}.controls #followButton[aria-pressed=false]{color:var(--muted)}.audio-hint{text-align:center;font-size:12px;color:var(--muted);padding-top:6px}.audio-hint button{padding:2px 6px;color:var(--accent)}dialog{color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:24px;width:min(560px,calc(100% - 24px));max-height:85vh;max-height:85dvh;padding:22px;box-shadow:0 20px 70px #0003;overscroll-behavior:contain}dialog::backdrop{background:#2225;backdrop-filter:blur(3px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;gap:15px}.dialog-head h2{font-size:22px;margin:5px 0 15px}.dialog-head button{color:var(--accent)}.muted,dialog p{font-size:13px;line-height:1.8;color:var(--muted)}dialog h3{font-size:15px;margin:0 0 12px}.books-list{display:grid;gap:10px;margin:20px 0}.book-button{text-align:left;background:var(--card);border:1px solid var(--line);padding:17px}.book-button.selected{border-color:var(--accent)}.book-button small{display:block;color:var(--muted);margin-top:5px}.field{display:grid;gap:10px;color:var(--muted);font-size:13px;margin:18px 0}select{width:100%;padding:13px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font-size:15px}.chapter-list{display:grid;max-height:220px;overflow:auto;border-bottom:1px solid var(--line)}.chapter-list button{font-size:13px;text-align:left}.import-box{padding:18px;margin:20px 0;background:var(--card);border:1px solid var(--line);border-radius:16px}.import-box>button{display:block;text-align:left;color:var(--accent);font-size:14px;min-height:44px}.import-box p{margin-bottom:0}progress{width:100%;accent-color:var(--accent);margin-top:15px}.setting-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}.setting-row output{font-variant-numeric:tabular-nums;padding:0 8px}.setting-row button{background:var(--card);border:1px solid var(--line)}input[type=checkbox]{width:25px;height:25px;accent-color:var(--accent)}.version{text-align:center;font-size:11px}.toast{position:fixed;bottom:calc(205px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:max-content;max-width:90%;padding:14px 18px;border:1px solid var(--line);border-radius:13px;background:var(--card);box-shadow:0 4px 25px #0002;z-index:100;font-size:13px;line-height:1.6}.banner{position:fixed;z-index:8;top:calc(80px + env(safe-area-inset-top));left:0;right:0;background:#e4d39b;color:#332c18;font-size:12px;padding:8px 16px;text-align:center}.banner button{font-weight:600;text-decoration:underline}.anchor-banner{position:fixed;top:calc(80px + env(safe-area-inset-top));left:0;right:0;z-index:9;background:var(--ink);color:var(--paper);padding:10px;text-align:center;font-size:12px}.anchor-banner button{color:inherit;text-decoration:underline}body.picking .sentence{outline:1px dashed var(--accent)}@media(min-width:800px){.welcome{padding-top:150px}.reader{padding-top:35px}.topbar{padding-left:40px;padding-right:40px}.steps{gap:65px}.player{padding-inline:40px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.import-help{font-size:13px;line-height:1.7;color:var(--muted);margin-top:16px;border-top:1px solid var(--line);padding-top:14px}.import-help summary{cursor:pointer;color:var(--accent);min-height:30px}#importStatus{font-weight:600;color:var(--ink);overflow-wrap:anywhere}#importDetail{overflow-wrap:anywhere}#stopImport{border:1px solid var(--line);margin-top:12px}#singleAudioButton{font-weight:600}