.story-head{max-width:820px;padding:16px var(--gutter) 0;margin:0 auto}.story-cover{aspect-ratio:16/9;background:var(--surface2);border-radius:24px;overflow:hidden}.story-cover img{object-fit:cover;width:100%;height:100%}:root[data-theme=dark] .story-cover img{filter:brightness(.88)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .story-cover img{filter:brightness(.88)}}.story-title{margin:24px 0 6px;font-size:clamp(32px,5vw,44px)}.story-meta{color:var(--muted);flex-wrap:wrap;align-items:center;gap:6px 8px;font-size:14px;display:flex}.story-meta .dot:before{content:"·";color:var(--faint);margin-right:8px}.premise{color:var(--muted);max-width:62ch;margin:20px 0 0;font-size:16px}.topics{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.topic-link{color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:600}.reader{max-width:820px;padding:8px var(--gutter) 160px;margin:0 auto}.reader-text{font-size:var(--reader-size);line-height:var(--reader-line);max-width:var(--measure);font-feature-settings:"kern", "liga";margin-top:28px}.reader-text p{margin:0 0 .8em}.speaker{letter-spacing:.9px;text-transform:uppercase;color:var(--muted);white-space:nowrap;margin-right:.35em;font-size:.66em;font-weight:600}.w{cursor:pointer;-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:6px;padding:.06em 0;transition:background-color .12s,color .12s}.w:hover{background:var(--surface2)}.w.on{background:var(--hero-bg);color:var(--hero-ink);box-shadow:0 0 0 .16em var(--hero-bg)}.w.study{-webkit-text-decoration:underline dotted var(--primary);text-decoration:underline dotted var(--primary);text-underline-offset:5px;text-decoration-thickness:2px}.w.sel{background:var(--hero-shape);box-shadow:0 0 0 .16em var(--hero-shape)}.w.saved{-webkit-text-decoration:underline solid var(--furu);text-decoration:underline solid var(--furu);text-underline-offset:5px;text-decoration-thickness:2px}.pill{left:50%;bottom:max(16px, env(safe-area-inset-bottom));z-index:30;background:var(--surface);border:1px solid var(--line);width:min(640px,100% - 32px);box-shadow:var(--shadow-sheet);border-radius:999px;align-items:center;gap:12px;padding:10px 14px 10px 10px;display:flex;position:fixed;transform:translate(-50%)}.pill .play{background:var(--primary);width:48px;height:48px;color:var(--on-primary);cursor:pointer;border:0;border-radius:50%;flex:none;place-items:center;display:grid}.pill .icon-btn{width:40px;height:40px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:50%;flex:none;place-items:center;display:grid}.pill .icon-btn:hover{background:var(--surface2);color:var(--ink)}.pill .track{flex:1;align-items:center;gap:10px;min-width:0;display:flex}.pill input[type=range]{min-width:0;accent-color:var(--primary);flex:1;height:4px}.pill .time{font-variant-numeric:tabular-nums;color:var(--muted);white-space:nowrap;font-size:13px}.size-pop{bottom:calc(max(16px, env(safe-area-inset-bottom)) + 76px);z-index:31;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-sheet);border-radius:20px;align-items:center;gap:8px;padding:12px 14px;display:flex;position:fixed;left:50%;transform:translate(-50%)}.size-pop button{border:1px solid var(--line);cursor:pointer;width:44px;height:44px;color:var(--ink);background:0 0;border-radius:12px;font-weight:600}.size-pop button[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.sheet-scrim{background:var(--scrim);z-index:40;animation:.18s fade;position:fixed;inset:0}.sheet{z-index:41;background:var(--surface);width:min(560px,100%);max-height:80vh;padding:12px 24px calc(24px + env(safe-area-inset-bottom));box-shadow:var(--shadow-sheet);border-radius:28px 28px 0 0;animation:.22s cubic-bezier(.2,.8,.2,1) rise;position:fixed;bottom:0;left:50%;overflow:auto;transform:translate(-50%)}@media (min-width:760px){.sheet{border-radius:28px;bottom:24px}}.sheet .grab{background:var(--line);border-radius:3px;width:40px;height:5px;margin:0 auto 16px}.sheet .word{margin:0;font-size:30px}.sheet .context{color:var(--muted);margin:8px 0 0;font-size:15px}.sheet .context mark{background:var(--hero-bg);color:var(--hero-ink);border-radius:4px;padding:0 2px}.sheet .ai{border-top:1px solid var(--line);min-height:70px;margin-top:18px;padding-top:16px}.sheet .translation{font-size:20px;font-weight:600}.sheet .pos{color:var(--muted);margin-left:8px;font-size:13px;font-weight:500}.sheet .explain{margin:6px 0 0;font-size:15px}.sheet .actions{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.skeleton{background:linear-gradient(90deg, var(--surface2), var(--line), var(--surface2));background-size:200% 100%;border-radius:7px;height:14px;animation:1.2s linear infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}@keyframes fade{0%{opacity:0}}@keyframes rise{0%{opacity:0;transform:translate(-50%,24px)}}.quiz{border-top:1px solid var(--line);max-width:640px;margin:56px 0 0;padding-top:32px}.quiz h2{margin:0 0 4px;font-size:28px}.q{margin:28px 0 0}.q .qtext{margin:0 0 12px;font-size:18px;font-weight:600}.opt{text-align:left;border:1px solid var(--line);background:var(--surface);cursor:pointer;width:100%;color:var(--ink);border-radius:16px;align-items:center;gap:12px;margin:0 0 8px;padding:14px 16px;font-size:16px;display:flex}.opt:hover{border-color:var(--faint)}.opt[aria-checked=true]{border-color:var(--primary);box-shadow:inset 0 0 0 1px var(--primary)}.opt.correct{border-color:var(--furu);background:var(--furu-soft);color:var(--furu-ink);box-shadow:none}.opt.wrong{border-color:var(--danger);box-shadow:none}.opt .letter{border:1px solid var(--line);width:28px;height:28px;color:var(--muted);border-radius:50%;flex:none;place-items:center;font-size:13px;font-weight:700;display:grid}.results{margin-top:32px}.score{background:var(--hero-bg);color:var(--hero-ink);border-radius:28px;padding:28px;position:relative;overflow:hidden}.score:before{content:"";background:var(--hero-shape);border-radius:50%;width:280px;height:280px;position:absolute;top:-120px;right:-80px}.score>*{position:relative}.score .big{margin:4px 0 0;font-size:40px;line-height:1.1}.results-cover{aspect-ratio:16/9;object-fit:cover;border-radius:18px;width:100%;max-width:360px;height:auto;margin-bottom:18px;display:block}.results-next{color:inherit;text-decoration:none}.results-next:hover .row-title{color:var(--primary)}.results-ok,.results-miss{font-size:13px;font-weight:600}.results-ok{color:var(--furu)}.results-miss{color:var(--danger)}.results-next img.thumb{object-fit:cover}.stars{color:var(--multe);gap:4px;display:flex}.stars button{cursor:pointer;color:inherit;background:0 0;border:0;padding:4px}textarea.feedback{border:1px solid var(--line);width:100%;min-height:96px;font:inherit;background:var(--surface);color:var(--ink);resize:vertical;border-radius:16px;padding:12px 14px;font-size:15px}.unlock{background:var(--hero-bg);color:var(--hero-ink);border-radius:28px;margin-top:32px;padding:28px;position:relative;overflow:hidden}.unlock:before{content:"";background:var(--hero-shape);border-radius:50%;width:320px;height:320px;position:absolute;bottom:-160px;right:-120px}.unlock>*{position:relative}.unlock h2{margin:0 0 8px;font-size:26px}.unlock p{color:var(--hero-muted);max-width:52ch;margin:0 0 20px}.preview-fade{position:relative}.preview-fade:after{content:"";background:linear-gradient(transparent, var(--bg));pointer-events:none;height:90px;position:absolute;bottom:0;left:0;right:0}.notice{color:var(--muted);margin-top:12px;font-size:14px}.error-text{color:var(--danger);font-size:14px}