:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#fbfaf6;--surface:#fff;--ink:#222;--muted:#6f6a60;--accent:#8a3b2f;background:var(--paper);color:var(--ink);font-synthesis:none;text-rendering:optimizelegibility;font-family:Songti SC,Noto Serif SC,Source Han Serif SC,Georgia,serif;line-height:1.7}*{box-sizing:border-box}body{background:var(--paper);min-width:320px;min-height:100vh;margin:0}button,textarea{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;padding:36px}.workspace{border:1px solid var(--ink);background:var(--surface);width:min(1080px,100%);min-height:calc(100vh - 72px);margin:0 auto;padding:34px}.topbar{border-bottom:1px solid var(--ink);justify-content:space-between;align-items:flex-start;gap:28px;margin-bottom:36px;padding-bottom:22px;display:flex}.kicker{color:var(--muted);letter-spacing:0;text-transform:uppercase;margin:0 0 10px;font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;font-size:.76rem;font-weight:700}h1,h2,p{margin-top:0}h1{letter-spacing:0;margin-bottom:0;font-size:clamp(2.35rem,6vw,4.8rem);font-weight:700;line-height:1.05}h2{line-height:1.25}.progress-pill{border:1px solid var(--ink);background:var(--paper);text-align:center;flex:none;min-width:132px;padding:8px 14px;font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;font-size:.92rem;font-weight:700}.error-banner{border:1px solid var(--accent);background:var(--paper);color:var(--accent);margin-bottom:22px;padding:12px 14px;font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;font-weight:700}.compose-grid,.select-layout{grid-template-columns:minmax(0,1fr) 270px;gap:28px;display:grid}.text-panel{gap:12px;display:grid}.text-panel span,.selection-tray>p:not(.tray-count){color:var(--muted);font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;font-size:.88rem;font-weight:700}textarea{resize:vertical;border:1px solid var(--ink);background:var(--surface);width:100%;min-height:450px;color:var(--ink);border-radius:0;outline:none;padding:26px;font-size:1.32rem;line-height:1.85}textarea:focus,.word-token:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.side-panel,.selection-tray{border:1px solid var(--ink);background:var(--paper);flex-direction:column;gap:16px;min-height:450px;padding:22px;display:flex}.side-panel p{margin-bottom:8px;font-size:1.08rem;line-height:1.75}.primary-button,.ghost-button,.remember-button{border:1px solid var(--ink);min-height:46px;color:var(--ink);background:var(--surface);padding:10px 14px;font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;font-weight:700;transition:color .12s,background .12s,opacity .12s}.primary-button{background:var(--ink);color:var(--surface);margin-top:auto}.ghost-button:hover,.chip:hover,.word-token:hover,.word-token.selected{background:var(--paper);color:var(--accent)}.primary-button:hover,.remember-button:hover{opacity:.82}.reader-card{border:1px solid var(--ink);background:var(--surface);min-height:450px;padding:30px}.reader-text{font-size:clamp(1.18rem,2.2vw,1.58rem);line-height:2.05}.word-token{border:0;border-bottom:1px solid var(--muted);min-width:0;color:inherit;font-family:inherit;font-size:inherit;line-height:inherit;background:0 0;padding:1px 2px;transition:color .12s,background .12s;display:inline}.tray-count{margin:0;font-size:3.6rem;font-weight:700;line-height:1}.chip-list{flex-wrap:wrap;align-content:flex-start;gap:8px;min-height:130px;display:flex}.chip{border:1px solid var(--ink);background:var(--surface);padding:7px 10px;font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;font-weight:700;transition:color .12s,background .12s}.loading-panel,.complete-view{border:1px solid var(--ink);background:var(--paper);text-align:center;align-content:center;place-items:center;gap:16px;min-height:480px;display:grid}.loading-panel p,.complete-view p{color:var(--muted)}.study-view{min-height:480px}.card-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;display:grid}.vocab-card{border:1px solid var(--ink);background:var(--surface);gap:16px;min-height:360px;padding:24px;display:grid}.vocab-card h2{overflow-wrap:anywhere;margin-bottom:6px;font-size:2.2rem;line-height:1.12}.pronunciation{color:var(--muted);margin-bottom:10px;font-family:Avenir Next,PingFang SC,Microsoft YaHei,sans-serif;font-size:.82rem;font-weight:700}.meaning{color:var(--accent);margin-bottom:0;font-size:1.28rem;font-weight:700;line-height:1.45}.context{color:var(--ink);margin-bottom:0;line-height:1.75}blockquote{border-left:2px solid var(--accent);color:var(--muted);margin:0;padding-left:14px;line-height:1.75}.remember-button{background:var(--accent);color:var(--surface);align-self:end}.original-text{border:1px solid var(--ink);background:var(--surface);text-align:left;width:min(760px,100%);max-height:340px;padding:24px;font-size:1.18rem;line-height:1.85;overflow:auto}.complete-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.complete-actions .primary-button,.complete-actions .ghost-button{margin-top:0}@media (width<=820px){.app-shell{padding:14px}.workspace{min-height:calc(100vh - 28px);padding:20px}.topbar,.compose-grid,.select-layout{grid-template-columns:1fr}.topbar{gap:18px;margin-bottom:24px;display:grid}.progress-pill{width:100%}textarea,.side-panel,.selection-tray,.reader-card{min-height:310px}}