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15px 42px #35302617}.install-guide:nth-child(2){background:#d7e7dcbd}.install-guide-heading{align-items:center;gap:14px;display:flex}.install-guide-heading>span{background:var(--ink);color:#fff7e8;border-radius:14px;flex:none;place-items:center;width:54px;height:54px;font-size:.92rem;font-weight:950;display:grid}.install-guide:nth-child(2) .install-guide-heading>span{background:var(--teal)}.install-guide-heading small{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin-bottom:2px;font-size:.72rem;font-weight:850;display:block}.install-guide h3{color:var(--ink);margin:0;font-family:Georgia,Times New Roman,serif;font-size:1.52rem}.install-guide ol{color:var(--muted);gap:11px;margin:26px 0;padding-left:24px;line-height:1.55;display:grid}.install-guide li::marker{color:var(--red-deep);font-weight:900}.install-guide strong{color:var(--ink)}.install-guide a{color:var(--teal);text-underline-offset:4px;place-self:end start;font-size:.85rem;font-weight:900;text-decoration-thickness:1px}.faq-list{border:1px solid var(--line);background:#f8f1e5a8;border-radius:18px;overflow:hidden}.faq-list details+details{border-top:1px solid var(--line)}.faq-list summary{min-height:72px;color:var(--ink);cursor:pointer;justify-content:space-between;align-items:center;gap:24px;padding:18px 24px;font-weight:900;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";color:var(--red-deep);font-size:1.45rem;font-weight:500}.faq-list details[open] summary:after{content:"−"}.faq-list details[open] summary{padding-bottom:10px}.faq-list p{max-width:850px;color:var(--muted);margin:0;padding:0 64px 24px 24px;line-height:1.65}.header-controls{justify-content:flex-end;align-items:center;gap:8px;display:flex}.account-control,.settings-control{z-index:20;position:relative}.account-button,.settings-button{border:1px solid var(--line);background:var(--panel);max-width:220px;min-height:42px;color:var(--ink);text-overflow:ellipsis;white-space:nowrap;border-radius:9px;justify-content:center;align-items:center;padding:0 14px;font-size:.8rem;font-weight:850;display:inline-flex;overflow:hidden}.account-button:disabled{cursor:wait;opacity:.7}.account-popover,.settings-popover{border:1px solid var(--line);background:var(--panel-strong);border-radius:12px;gap:12px;width:min(340px,100vw - 32px);padding:20px;display:grid;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 20px 60px #252a2e2e}.account-popover form{gap:12px;display:grid}.account-popover p,.account-popover>span,.settings-popover p{color:var(--muted);margin:0;font-size:.84rem;line-height:1.5}.account-popover label{color:var(--muted);gap:5px;font-size:.76rem;font-weight:800;display:grid}.account-popover input{border:1px solid var(--line);min-height:42px;color:var(--ink);font:inherit;background:#fff;border-radius:8px;padding:0 11px}.account-popover button,.settings-popover button{background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:8px;min-height:42px;padding:0 12px;font-weight:850}.account-popover button:disabled{cursor:wait;opacity:.65}.account-popover .account-mode{color:var(--teal);background:0 0;font-size:.78rem}.account-message{color:var(--red-deep);font-size:.78rem;line-height:1.4}.settings-version-control{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;display:grid}.settings-popover .settings-version-control button{border:1px solid var(--line);background:var(--panel);min-height:38px;color:var(--ink);font-size:.8rem}.settings-popover .settings-version-control button.active{border-color:var(--teal);background:var(--teal-soft);color:var(--teal)}.level-control{border:1px solid var(--line);background:var(--panel);border-radius:8px;grid-template-columns:repeat(5,minmax(58px,1fr));display:grid;overflow:hidden}.sentence-count-control{grid-template-columns:repeat(3,minmax(96px,1fr))}.sentence-count-control button{text-align:center;justify-content:center;align-items:center;gap:4px;display:inline-flex}.sentence-count-number,.sentence-count-label{line-height:1;display:block}.story-speed-control{grid-template-columns:repeat(2,minmax(150px,auto))}.story-speed-control.three-speeds{grid-template-columns:repeat(3,minmax(120px,auto))}.display-mode-control{grid-template-columns:repeat(3,minmax(70px,1fr))}.level-control button{border:0;border-right:1px solid var(--line);min-height:42px;color:var(--muted);background:0 0;padding:0 12px;font-size:.88rem;font-weight:800}.level-control button:last-child{border-right:0}.level-control button.active{background:var(--teal);color:#fff}.speed-control{border:1px solid var(--line);background:var(--panel);min-height:44px;color:var(--muted);border-radius:8px;grid-template-columns:auto minmax(118px,180px) 58px;align-items:center;gap:10px;padding:0 12px;font-size:.88rem;font-weight:800;display:grid}.speed-control input{accent-color:var(--red)}.speed-control strong{color:var(--ink);text-align:right}.workspace{grid-template-columns:minmax(0,1fr) minmax(320px,390px);align-items:start;gap:20px;display:grid}.listen-panel,.inspector{border:1px solid var(--line);min-width:0;box-shadow:var(--shadow);background:#f8f1e5f0;border-radius:8px}.listen-panel{flex-direction:column;gap:22px;min-height:680px;padding:clamp(20px,3vw,34px);display:flex}.inspector{overscroll-behavior:contain;scrollbar-gutter:stable;height:680px;padding:26px;overflow-y:auto}.panel-heading,.detail-title{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.panel-heading h2{margin-bottom:0;font-size:1.55rem}.audio-pill{background:var(--teal-soft);min-width:120px;min-height:34px;color:var(--teal);text-transform:uppercase;border-radius:999px;justify-content:center;align-items:center;padding:0 14px;font-size:.8rem;font-weight:900;display:inline-flex}.audio-pill.playing{background:var(--amber-soft);color:#8b5d00}.audio-pill.preparing,.audio-pill.fallback,.audio-pill.fallback-ready,.audio-pill.play-blocked{color:var(--red-deep);background:#f7e7d8}.audio-pill.audio-unavailable,.audio-pill.audio-failed{color:var(--red-deep);background:#f7dfdc}.waveform{background:linear-gradient(90deg,#246c5d21,#0000 38%),linear-gradient(135deg,#f8f1e5,#e7eadf);border:1px solid #dfe5dc;border-radius:8px;grid-template-columns:repeat(28,minmax(4px,1fr));align-items:center;gap:7px;height:118px;padding:18px;display:grid}.waveform span{background:linear-gradient(180deg, var(--red), var(--amber));border-radius:999px;min-height:14px;display:block}.audio-player{background:var(--panel);border-radius:8px;width:100%;height:42px}.hidden-audio{display:none}.sentence{background:var(--panel-strong);border-radius:8px;place-items:center;min-height:260px;padding:26px;display:grid}.sentence.revealed{align-content:center;place-items:stretch stretch;gap:12px;height:auto}.hidden-state{aspect-ratio:1;border:2px solid var(--ink);background:linear-gradient(135deg,#dda74b6b,#0000 55%),#f8f1e5;border-radius:50%;place-items:center;width:min(240px,74vw);display:grid;box-shadow:inset 0 0 0 14px #246c5d14}.hidden-state span{color:var(--ink);font-size:clamp(4rem,18vw,8rem);font-weight:900}.hanzi-line{overflow-wrap:anywhere;text-align:center;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:6px;font-size:clamp(1rem,2vw,1.18rem);line-height:1.2;display:flex}.sentence-token{min-height:1.35em;color:var(--ink);background:0 0;border:0;border-bottom:4px solid #0000;padding:0 .08em;font-weight:820}.sentence-token.selected{border-bottom-color:var(--amber)}.sentence-token.inert{border-bottom-color:#0000}.punctuation{color:var(--muted)}.pinyin-line{width:100%;color:var(--teal);font-family:var(--font-mono);text-align:center;white-space:normal;flex-wrap:wrap;justify-content:center;align-items:baseline;gap:8px;margin:0;font-size:clamp(1rem,2vw,1.18rem);font-weight:850;line-height:1.6;display:flex;overflow:visible}.pinyin-token{color:var(--teal);font:inherit;font-weight:inherit;background:0 0;border:0;border-bottom:3px solid #0000;padding:0 2px 3px}.pinyin-token.selected{border-bottom-color:var(--amber)}.pinyin-token.inert{cursor:default}.pinyin-punctuation{color:var(--muted)}.translation{max-width:760px;color:var(--ink);text-align:center;margin:0 auto;font-size:clamp(1rem,2vw,1.25rem);font-weight:750;line-height:1.5}.action-row{flex-wrap:wrap;gap:10px;margin-top:auto;display:flex}.primary-action,.secondary-action,.ghost-action{border-radius:8px;min-height:46px;padding:0 18px;font-weight:900}.primary-action{border:1px solid var(--red);background:var(--red);color:#fff}.primary-action:disabled{border-color:var(--line);color:#6d7772;cursor:not-allowed;background:#d8ded7}.secondary-action{border:1px solid var(--ink);background:var(--ink);color:#fff}.ghost-action{border:1px solid var(--line);background:var(--panel);color:var(--ink)}.detail-title h2{margin-bottom:0;font-size:clamp(2.4rem,5vw,4rem);line-height:1}.detail-title span{background:var(--amber-soft);color:#805300;border-radius:999px;align-items:center;min-height:32px;padding:0 10px;font-size:.78rem;font-weight:900;display:inline-flex}.detail-pinyin{color:var(--teal);font-family:var(--font-mono);margin:12px 0 8px;font-weight:850}.definition{color:var(--ink);margin-bottom:10px;font-size:1.18rem;font-weight:780;line-height:1.45}.part-label{border:1px solid var(--line);min-height:30px;color:var(--muted);border-radius:999px;align-items:center;margin-bottom:20px;padding:0 10px;font-size:.82rem;font-weight:850;display:inline-flex}.character-list{border-top:1px solid var(--line)}.character-row{border-bottom:1px solid var(--line);grid-template-columns:58px minmax(0,1fr);align-items:start;gap:14px;padding:18px 0;display:grid}.character-head{justify-items:start;gap:6px;display:grid}.character-head strong{color:var(--red-deep);font-size:2.35rem;line-height:1;display:block}.character-head small,.character-pinyin{color:var(--teal);font-family:var(--font-mono);text-align:center;font-size:.9rem;font-weight:900;line-height:1.2;display:block}.character-row p{color:var(--muted);margin-bottom:0;font-size:.92rem;line-height:1.45}.character-body{gap:12px;display:grid}.character-word-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.character-related{gap:6px;display:grid}.character-related-label{color:var(--ink);font-size:.82rem;font-weight:900}.character-word{border-top:1px solid var(--line);grid-template-columns:minmax(40px,max-content) minmax(72px,max-content) minmax(0,1fr);align-items:baseline;gap:8px;padding:8px 0;display:grid}.character-word span{color:var(--ink);font-size:1.08rem;font-weight:900}.character-word small{color:var(--teal);font-family:var(--font-mono);font-size:.78rem;font-weight:850}.character-word em{color:var(--muted);font-size:.82rem;font-style:normal;line-height:1.35}.character-only-use{border-top:1px solid var(--line);padding-top:8px;font-style:italic}.pattern{border-left:5px solid var(--red);color:var(--ink);font-family:var(--font-mono);background:#f7e7d8;margin:18px 0 12px;padding:14px 16px;font-weight:850;line-height:1.45}.grammar-copy{color:var(--muted);font-size:.98rem;line-height:1.6}.examples{gap:12px;margin-top:20px;display:grid}.example{border-top:1px solid var(--line);gap:5px;padding-top:14px;display:grid}.example strong{color:var(--ink);font-size:1.28rem}.example small{color:var(--teal);font-family:var(--font-mono)}.example span{color:var(--muted)}.empty-detail{text-align:center;align-content:center;justify-items:center;gap:10px;min-height:360px;display:grid}.empty-glyph{border:1px solid var(--line);background:var(--panel-strong);width:118px;height:118px;color:var(--red-deep);border-radius:50%;place-items:center;font-size:4rem;font-weight:900;line-height:1;display:grid}.empty-detail strong{color:var(--ink);font-size:1.1rem;font-weight:900}.empty-detail span{color:var(--muted);font-size:.92rem;font-weight:760}.story-header,.review-header{justify-content:space-between;align-items:end;gap:24px;margin:12px 0 18px;display:flex}.story-header{background-color:#fbf7ef;border:1px solid #b5915047;border-radius:22px;grid-template-columns:minmax(260px,.8fr) minmax(420px,1.2fr);align-items:center;padding:clamp(20px,3vw,34px);display:grid;overflow:hidden;box-shadow:0 20px 48px #2d352c1a}.story-header-copy{min-width:0}.story-header-art,.story-card-art-image{filter:brightness(.9)contrast(1.07)saturate(1.08);background-color:#f7f1e8;background-position:50%;background-repeat:no-repeat;background-size:cover}.story-header-art{aspect-ratio:3;border:1px solid #b591503d;border-radius:15px;grid-area:1/2/span 2;width:100%;box-shadow:0 12px 30px #363a2e17}.story-header .story-header-actions{place-self:start}.story-header .story-progress-copy{justify-items:start}.story-library-hero{color:#fff7e8;background:radial-gradient(circle at 84% 18%,#dda74b3d,#0000 27%),linear-gradient(125deg,#173a32 0%,#225447 58%,#68493c 145%);border:1px solid #fff5db1f;border-radius:26px;gap:10px;max-width:none;margin:10px 0 30px;padding:clamp(34px,6vw,66px);display:grid;position:relative;overflow:hidden;box-shadow:0 26px 70px #2732293b}.story-library-hero:after{content:"";pointer-events:none;border:28px solid #fff6df0e;border-radius:50%;width:180px;height:180px;position:absolute;bottom:-62px;right:clamp(24px,6vw,76px)}.story-library-hero .eyebrow{color:#f0c879}.story-library-hero h1{z-index:1;color:#fff7e8;letter-spacing:-.055em;font-size:clamp(2.8rem,7vw,5.8rem);position:relative}.story-library-hero>p:last-child{color:#f4efe0c9;max-width:680px;margin:0;font-size:clamp(1rem,2vw,1.2rem);font-weight:650;line-height:1.65}.story-library-groups{gap:24px;padding-bottom:60px;display:grid}.story-library-group{--group-accent:#2d7665;--group-panel:#dbe7dc;--group-row:#f0f3e9;border:1px solid var(--group-accent);gap:18px;padding:clamp(18px,3vw,28px);display:grid}@supports (color:color-mix(in lab, red, red)){.story-library-group{border:1px solid color-mix(in srgb, var(--group-accent) 25%, transparent)}}.story-library-group{background:var(--group-panel);border-radius:20px;box-shadow:0 16px 38px #3a342917}.story-library-group:nth-child(2){--group-accent:#ad6644;--group-panel:#edddcb;--group-row:#f7ecde}.story-library-group:nth-child(3){--group-accent:#456979;--group-panel:#d9e3e5;--group-row:#edf1ee}.story-library-group:nth-child(4){--group-accent:#76566f;--group-panel:#e5dce3;--group-row:#f2ebef}.story-library-group-heading{border-bottom:1px solid var(--group-accent);justify-content:space-between;align-items:end;gap:20px;padding:0 3px 14px;display:flex}@supports (color:color-mix(in lab, red, red)){.story-library-group-heading{border-bottom:1px solid color-mix(in srgb, var(--group-accent) 28%, transparent)}}.story-library-group-heading h2{letter-spacing:-.035em;margin:0;font-size:clamp(1.5rem,3vw,2.25rem)}.story-library-group-heading .eyebrow,.story-library-group-heading>span{color:var(--group-accent)}.story-library-group-heading>span{color:var(--muted);font-size:.82rem;font-weight:850}.story-card-grid{gap:8px;display:grid}.story-card{border:1px solid var(--group-accent);overflow:hidden}@supports (color:color-mix(in lab, red, red)){.story-card{border:1px solid color-mix(in srgb, var(--group-accent) 24%, transparent)}}.story-card{background-color:var(--group-row);border-radius:16px;transition:border-color .16s,box-shadow .16s}.story-card.expanded{border-color:var(--group-accent)}@supports (color:color-mix(in lab, red, red)){.story-card.expanded{border-color:color-mix(in srgb, var(--group-accent) 55%, transparent)}}.story-card.expanded{box-shadow:0 12px 30px #1c292314}.story-card-row{isolation:isolate;grid-template-columns:minmax(0,1fr) auto;align-items:end;min-height:clamp(190px,24vw,270px);display:grid;position:relative}.story-card-art{z-index:0;background-color:var(--group-row);position:absolute;inset:0;overflow:hidden}.story-card-art-image{background-position:50% 58%;transition:transform .26s;position:absolute;inset:0}.story-card:hover .story-card-art-image{transform:scale(1.012)}.story-card-overlay{z-index:1;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0000008f;border:1px solid #fff3;border-radius:14px;grid-area:1/1/auto/-1;grid-template-columns:minmax(0,1fr) auto;place-self:start center;align-items:center;gap:14px;width:min(590px,100% - 48px);min-width:0;min-height:0;margin-top:18px;padding:14px 14px 13px 16px;transition:background .16s;display:grid;box-shadow:0 10px 30px #00000052}.story-card-overlay:hover,.story-card-overlay:focus-within{background:#000000a3}.story-card-toggle{text-align:left;cursor:pointer;background:0 0;border:0;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:8px 18px;width:100%;min-width:0;min-height:0;padding:0;display:grid}.story-card-toggle:hover{background:0 0}:is(.story-card-toggle:focus-visible,.story-card-play:focus-visible){outline:3px solid var(--group-accent)}@supports (color:color-mix(in lab, red, red)){:is(.story-card-toggle:focus-visible,.story-card-play:focus-visible){outline:3px solid color-mix(in srgb, var(--group-accent) 30%, transparent)}}:is(.story-card-toggle:focus-visible,.story-card-play:focus-visible){outline-offset:-3px}.story-card-heading{align-items:baseline;gap:12px;width:fit-content;min-width:0;max-width:100%;display:flex}.story-card-heading strong{color:#fffdf5;letter-spacing:-.025em;text-shadow:0 2px 14px #0c120e66;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:950}.story-card-heading>span{color:#fffdf5db;text-shadow:0 2px 10px #0c120e73;text-overflow:ellipsis;white-space:nowrap;font-size:.86rem;font-weight:850;overflow:hidden}.story-card-chevron{border-bottom:2px solid #fffdf5e0;border-right:2px solid #fffdf5e0;flex:none;width:10px;height:10px;margin:0 5px 5px 0;transition:margin .16s,transform .16s;transform:rotate(45deg)}.story-card.expanded .story-card-chevron{margin:5px 5px 0 0;transform:rotate(225deg)}.story-card-copy{border-top:1px solid var(--group-accent);gap:14px;padding:18px;display:grid}@supports (color:color-mix(in lab, red, red)){.story-card-copy{border-top:1px solid color-mix(in srgb, var(--group-accent) 18%, transparent)}}.story-card-copy{background:var(--group-panel)}@supports (color:color-mix(in lab, red, red)){.story-card-copy{background:color-mix(in srgb, var(--group-panel) 52%, #fff5e4)}}.story-card-meta{color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:.72rem;font-weight:850;display:flex}.story-card-meta 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