:root{
  --bg:#f5f7fb;--panel:#ffffff;--panel-2:#f0fdfa;--text:#162033;--muted:#6b7280;--line:#e5e7eb;
  --primary:#0f766e;--primary-2:#14b8a6;--violet:#6d28d9;--shadow:0 16px 42px rgba(18,32,51,.08);
  --radius:20px;--sidebar:248px;--safe-bottom:env(safe-area-inset-bottom,0px);
}
:root[data-theme="dark"]{--bg:#0b1020;--panel:#121a2d;--panel-2:#102923;--text:#ecf2ff;--muted:#9ca8bc;--line:#25314a;--primary:#2dd4bf;--primary-2:#14b8a6;--violet:#a78bfa;--shadow:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.55}
button,input{font:inherit}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:var(--sidebar) 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:var(--panel);border-right:1px solid var(--line);padding:22px 16px;z-index:20}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text);padding:4px 6px 22px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;color:#fff;background:linear-gradient(135deg,var(--primary-2),var(--violet));font-weight:800}.brand strong,.brand small{display:block}.brand small{font-size:11px;color:var(--muted);margin-top:1px}.side-nav{display:grid;gap:6px}.nav-link{display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:13px;text-decoration:none;color:var(--muted);font-weight:650}.nav-link:hover,.nav-link.active{background:var(--panel-2);color:var(--primary)}.nav-icon{width:24px;text-align:center}.nav-divider{height:1px;background:var(--line);margin:9px 7px}.side-note{position:absolute;left:16px;right:16px;bottom:20px;border:1px solid var(--line);border-radius:16px;padding:14px;background:linear-gradient(145deg,var(--panel-2),var(--panel))}.side-note p{font-size:12px;color:var(--muted);margin:5px 0 0}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:11px;font-weight:800;color:var(--primary)}
.main-shell{min-width:0}.topbar{height:68px;position:sticky;top:0;z-index:15;display:flex;align-items:center;justify-content:space-between;padding:0 32px;border-bottom:1px solid color-mix(in srgb,var(--line) 75%,transparent);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(14px)}.crumb{font-weight:750}.top-actions{display:flex;gap:8px}.icon-btn{border:1px solid var(--line);background:var(--panel);color:var(--text);height:38px;min-width:38px;border-radius:12px}.view{max-width:1280px;margin:0 auto;padding:30px 32px 80px}.loading-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;color:var(--muted)}
.hero{border-radius:28px;padding:30px;background:linear-gradient(135deg,#dff9f3 0%,#eef0ff 56%,#faeefe 100%);border:1px solid color-mix(in srgb,var(--primary) 13%,var(--line));position:relative;overflow:hidden}.dark .hero{}:root[data-theme="dark"] .hero{background:linear-gradient(135deg,#0b3a35,#1c2145 58%,#331b43)}.hero:after{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:color-mix(in srgb,var(--primary-2) 16%,transparent);right:-90px;top:-120px}.hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:24px;align-items:center;position:relative;z-index:1}.hero h1{font-size:clamp(28px,4vw,48px);line-height:1.08;margin:8px 0 12px;letter-spacing:-.03em}.hero p{color:var(--muted);max-width:680px;margin:0}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.btn{border:0;border-radius:13px;padding:11px 16px;font-weight:750}.btn.primary{background:var(--primary);color:white}.btn.secondary{background:var(--panel);border:1px solid var(--line);color:var(--text)}.hero-panel{background:color-mix(in srgb,var(--panel) 84%,transparent);border:1px solid color-mix(in srgb,var(--line) 80%,transparent);padding:18px;border-radius:20px}.hero-panel strong{font-size:20px}.hero-panel small{display:block;color:var(--muted);margin-top:6px}
.section{margin-top:28px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}.section-head h2{margin:0;font-size:20px}.section-head p{margin:3px 0 0;color:var(--muted);font-size:13px}.grid{display:grid;gap:16px}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:19px;box-shadow:var(--shadow)}.language-card{display:flex;flex-direction:column;min-height:210px;position:relative;overflow:hidden}.language-card .lang-symbol{font-size:32px;margin-bottom:22px}.language-card h3{margin:0;font-size:22px}.language-card p{color:var(--muted);font-size:13px;margin:6px 0 16px;flex:1}.card-link{text-decoration:none;color:inherit}.card-link:hover .card{transform:translateY(-2px);transition:.18s ease;border-color:color-mix(in srgb,var(--primary) 35%,var(--line))}.progress-line{height:7px;border-radius:99px;background:var(--line);overflow:hidden}.progress-line span{display:block;height:100%;background:linear-gradient(90deg,var(--primary-2),var(--violet));border-radius:inherit}.meta-row{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;margin-top:8px}.quick-card{display:flex;gap:14px;align-items:flex-start}.quick-icon{display:grid;place-items:center;flex:0 0 44px;height:44px;border-radius:14px;background:var(--panel-2);font-size:22px}.quick-card h3{margin:1px 0 4px}.quick-card p{margin:0;color:var(--muted);font-size:13px}
.route-list{display:grid;gap:10px}.route-item{display:grid;grid-template-columns:46px minmax(0,1fr) auto;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:13px 15px}.route-no{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--panel-2);font-weight:800;color:var(--primary)}.route-item h3{margin:0;font-size:15px}.route-item p{margin:2px 0 0;font-size:12px;color:var(--muted)}.status-pill{font-size:11px;padding:5px 9px;border-radius:99px;background:var(--panel-2);color:var(--primary);white-space:nowrap}.status-pill.muted{background:color-mix(in srgb,var(--line) 70%,transparent);color:var(--muted)}
.lang-header{display:flex;gap:18px;align-items:center}.lang-badge{display:grid;place-items:center;width:66px;height:66px;border-radius:20px;background:linear-gradient(135deg,var(--primary-2),var(--violet));color:white;font-size:27px;font-weight:900}.lang-header h1{margin:0}.lang-header p{margin:4px 0 0;color:var(--muted)}
.lesson-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start}.lesson-head h1{margin:5px 0 8px}.lesson-head p{margin:0;color:var(--muted)}.unit-block{margin-top:20px}.unit-title{display:flex;align-items:center;gap:10px;margin-bottom:10px}.unit-title span{display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:var(--panel-2);color:var(--primary);font-size:12px;font-weight:800}.unit-title h2{font-size:18px;margin:0}.item-stack{display:grid;gap:10px}.learning-item{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:15px}.item-top{display:flex;justify-content:space-between;gap:14px}.item-type{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);font-weight:800}.learning-item h3{font-size:17px;margin:4px 0}.primary-text{font-size:22px;font-weight:750;margin:5px 0}.reading{color:var(--primary);font-size:14px}.meaning{color:var(--muted);margin-top:4px}.explanation{margin-top:10px;padding-top:10px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}.example-list{display:grid;gap:8px;margin-top:10px}.example{background:var(--bg);border-radius:12px;padding:10px;font-size:13px}.item-actions{display:flex;gap:7px;align-items:start}.mini-btn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;min-width:36px;height:34px}.mini-btn.on{color:#be185d;background:#fdf2f8;border-color:#fbcfe8}:root[data-theme="dark"] .mini-btn.on{background:#3b1428;border-color:#6b2346}.practice-box{background:var(--panel-2);border-radius:12px;padding:11px;margin-top:8px;font-size:13px}.dialogue{display:grid;gap:8px;margin-top:10px}.turn{display:grid;grid-template-columns:28px 1fr;gap:8px;background:var(--bg);padding:10px;border-radius:12px}.turn-role{font-weight:800;color:var(--primary)}
.tabs{display:flex;gap:8px;overflow:auto;padding-bottom:4px}.tab{border:1px solid var(--line);background:var(--panel);color:var(--muted);padding:8px 13px;border-radius:99px;white-space:nowrap}.tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.searchbar{display:flex;gap:8px}.searchbar input{width:100%;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:14px;padding:11px 14px;outline:none}.compare-grid{display:grid;gap:12px}.compare-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:17px}.compare-card h3{margin:0 0 12px}.compare-row{display:grid;grid-template-columns:70px 1fr;gap:12px;padding:10px 0;border-top:1px solid var(--line)}.compare-row:first-of-type{border-top:0}.compare-lang{font-weight:800;color:var(--primary)}.empty{border:1px dashed var(--line);border-radius:16px;padding:24px;text-align:center;color:var(--muted);background:var(--panel)}.notice{border-left:4px solid var(--primary);background:var(--panel-2);padding:12px 14px;border-radius:0 12px 12px 0;color:var(--muted);font-size:13px}.bottom-nav{display:none}.mobile-only{display:none}.toast{position:fixed;right:20px;bottom:24px;background:#111827;color:#fff;padding:10px 14px;border-radius:12px;transform:translateY(90px);opacity:0;transition:.22s;z-index:100;font-size:13px}.toast.show{transform:translateY(0);opacity:1}
@media(max-width:900px){.grid.cols-3{grid-template-columns:1fr}.grid.cols-2{grid-template-columns:1fr}.hero-grid{grid-template-columns:1fr}.hero-panel{display:none}}
@media(max-width:720px){.app-shell{display:block}.sidebar{position:fixed;left:0;top:0;width:min(82vw,300px);transform:translateX(-105%);transition:.22s;box-shadow:var(--shadow)}.sidebar.open{transform:translateX(0)}.mobile-only{display:inline-grid}.topbar{height:58px;padding:0 14px}.view{padding:18px 14px calc(86px + var(--safe-bottom))}.hero{padding:22px 18px;border-radius:22px}.hero h1{font-size:30px}.bottom-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:30;background:color-mix(in srgb,var(--panel) 94%,transparent);backdrop-filter:blur(14px);border-top:1px solid var(--line);padding:7px 5px calc(7px + var(--safe-bottom))}.bottom-link{display:grid;place-items:center;gap:1px;text-decoration:none;color:var(--muted);font-size:10px}.bottom-link span:first-child{font-size:18px}.bottom-link.active{color:var(--primary)}.section{margin-top:22px}.route-item{grid-template-columns:42px 1fr}.route-item .status-pill{grid-column:2}.lesson-head{display:block}.lesson-head .btn{margin-top:12px}.primary-text{font-size:20px}.item-top{align-items:flex-start}.compare-row{grid-template-columns:55px 1fr}.side-note{display:none}}

/* ===== V0.2 Alpha 2: information-density + responsive learning UI ===== */
.view{max-width:1640px;padding-left:38px;padding-right:38px}
.nav-label{padding:8px 12px 2px;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:800}
.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.tool-grid .quick-card{height:100%}
.lang-header{position:relative}.lang-continue{margin-left:auto}
.special-card{display:flex;gap:14px;min-height:142px}.special-card h3{margin:1px 0 5px}.special-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.open-hint{display:inline-block;margin-top:10px;color:var(--primary);font-size:12px;font-weight:750}
.page-intro{margin-bottom:16px}.info-pill{display:inline-flex;align-items:center;white-space:nowrap;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:6px 10px;color:var(--muted);font-size:12px}
.lesson-hero{padding-bottom:16px}.study-path{display:flex;gap:8px;overflow:auto;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}.study-path a{display:flex;gap:7px;align-items:center;text-decoration:none;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:7px 10px;font-size:12px;white-space:nowrap}.study-path a span{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--panel-2);color:var(--primary);font-weight:800}.unit-title{align-items:flex-start}.unit-title p{margin:2px 0 0;color:var(--muted);font-size:12px}.learning-grid{display:grid;gap:12px}.learning-grid.dense{grid-template-columns:repeat(3,minmax(0,1fr))}.learning-grid.medium{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-item{min-width:0}.learning-item.compact{padding:13px}.learning-item.compact h3{font-size:15px}.learning-item.compact .primary-text{font-size:20px}.learning-item.compact .explanation{line-height:1.45}.item-actions{flex-wrap:wrap;justify-content:flex-end}.mini-btn.slow{font-size:11px;font-weight:800}.assessment{display:flex;align-items:center;gap:5px;margin-top:10px;padding-top:9px;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.assess-btn{border:1px solid var(--line);background:var(--bg);color:var(--muted);border-radius:999px;padding:4px 8px;font-size:11px}.assess-btn.active{border-color:color-mix(in srgb,var(--primary) 45%,var(--line));background:var(--panel-2);color:var(--primary);font-weight:750}.reason-chip{display:inline-block;margin-top:9px;padding:5px 8px;border-radius:8px;background:color-mix(in srgb,#f59e0b 10%,var(--panel));color:#a16207;font-size:11px}:root[data-theme="dark"] .reason-chip{color:#fbbf24}

.pronunciation-overview{margin-top:24px}.sound-group{margin-top:12px;padding:16px}.sound-group-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:12px}.sound-group-head h3{margin:0}.sound-group-head p{margin:0;color:var(--muted);font-size:12px}.sound-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.sound-matrix{width:100%;min-width:720px;border-collapse:collapse;background:var(--panel)}.sound-matrix th,.sound-matrix td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:0;text-align:center}.sound-matrix tr:last-child th,.sound-matrix tr:last-child td{border-bottom:0}.sound-matrix th:last-child,.sound-matrix td:last-child{border-right:0}.sound-matrix thead th,.sound-matrix tbody th{background:var(--bg);color:var(--muted);font-size:11px;padding:8px}.sound-cell{width:100%;min-height:70px;border:0;background:transparent;color:var(--text);padding:8px 6px;display:grid;place-items:center;gap:0}.sound-cell:hover,.sound-tile:hover{background:var(--panel-2)}.sound-cell strong{font-size:24px}.sound-cell span{font-size:14px;color:var(--muted)}.sound-cell small{font-size:10px;color:var(--primary)}.sound-empty{color:var(--line);background:var(--bg)}.sound-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(105px,1fr));gap:8px}.sound-tile{position:relative;min-height:92px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--text);padding:10px;display:grid;place-items:center}.sound-tile strong{font-size:26px;line-height:1}.sound-tile small{color:var(--primary);font-size:11px}.sound-alt{color:var(--muted);font-size:13px}.play-dot{position:absolute;right:7px;top:6px;color:var(--muted);font-size:9px}

.compare-grid-wide{display:grid;gap:15px}.compare-card-wide{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:17px;box-shadow:var(--shadow)}.compare-title{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:12px}.compare-title h3{margin:2px 0 0;font-size:19px}.compare-domain{font-size:10px;color:var(--muted);background:var(--bg);border:1px solid var(--line);padding:5px 8px;border-radius:999px}.compare-languages{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:15px;overflow:hidden}.compare-language{padding:14px;min-width:0}.compare-language+.compare-language{border-left:1px solid var(--line)}.compare-language-head{display:flex;align-items:center;gap:7px;margin-bottom:11px}.compare-symbol{display:grid;place-items:center;width:29px;height:29px;border-radius:9px;background:var(--panel-2);color:var(--primary);font-weight:850}.compare-actions{display:flex;gap:4px;margin-left:auto}.micro-btn{height:28px;min-width:28px;border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:8px;font-size:10px;padding:0 6px}.micro-btn.on{color:#be185d;background:#fdf2f8;border-color:#fbcfe8}:root[data-theme="dark"] .micro-btn.on{background:#3b1428;border-color:#6b2346}.compare-text{font-size:21px;font-weight:800;overflow-wrap:anywhere}.compare-mini-note{margin-top:8px;padding-top:8px;border-top:1px dashed var(--line);font-size:11px;color:var(--muted)}.compare-summary{display:flex;gap:8px;align-items:flex-start;flex-wrap:wrap;margin-top:11px;background:var(--panel-2);border-radius:12px;padding:10px 12px;color:var(--muted);font-size:12px}.compare-summary strong{color:var(--primary)}.compare-summary span{margin-left:auto;color:var(--text);font-weight:650}

.filter-row{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.special-hero h1{margin:5px 0}.special-hero p{margin:0;color:var(--muted);max-width:800px}

@media(max-width:1280px){.learning-grid.dense{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.view{padding-left:28px;padding-right:28px}}
@media(max-width:900px){.compare-languages{grid-template-columns:1fr}.compare-language+.compare-language{border-left:0;border-top:1px solid var(--line)}.learning-grid.medium{grid-template-columns:1fr}.special-grid{grid-template-columns:1fr 1fr!important}.lang-continue{margin-left:0}.lang-header{flex-wrap:wrap}.sound-group-head{display:block}.sound-group-head p{margin-top:3px}}
@media(max-width:720px){.view{padding-left:14px;padding-right:14px}.learning-grid.dense{grid-template-columns:1fr}.grid.cols-4{grid-template-columns:1fr}.special-grid{grid-template-columns:1fr!important}.compare-card-wide{padding:12px}.compare-language{padding:12px}.compare-text{font-size:19px}.compare-summary span{margin-left:0;width:100%}.sound-group{padding:11px}.sound-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.sound-tile{min-height:78px;padding:8px}.sound-tile strong{font-size:23px}.sound-matrix{min-width:620px}.assessment{flex-wrap:wrap}.study-path{margin-right:-14px;padding-right:14px}.filter-row{align-items:flex-start}.filter-row .tabs{max-width:100%}.searchbar{position:sticky;top:64px;z-index:8;background:var(--bg);padding:4px 0}.page-intro{align-items:flex-start}.info-pill{font-size:10px}}

/* Alpha 2.2 pronunciation/readability refinements */
.reading-stack{display:grid;gap:4px;margin-top:7px}.reading-row{display:grid;grid-template-columns:74px minmax(0,1fr);gap:8px;align-items:baseline;color:var(--primary);font-size:13px}.reading-row>span{font-size:10px;letter-spacing:.04em;color:var(--muted);font-weight:750}.reading-row>strong{font-weight:650;overflow-wrap:anywhere}.reading-row.ipa>strong{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.reading-row.hint>strong{color:color-mix(in srgb,var(--primary) 78%,var(--text))}.inline-reading{margin-top:3px}.tts-note{margin-top:8px;padding:7px 9px;border-radius:9px;background:var(--panel-2);color:var(--muted);font-size:11px;line-height:1.4}.mini-btn[title*="示例"]{min-width:42px}.compare-language .reading-stack{margin-top:8px;margin-bottom:4px}.compare-language .reading-row{grid-template-columns:68px minmax(0,1fr)}
@media(max-width:720px){.reading-row,.compare-language .reading-row{grid-template-columns:64px minmax(0,1fr)}}

/* RC1 practice data and ordered unit navigation. */
.lesson-objectives{margin-top:16px;font-size:13px;color:var(--muted)}
.lesson-objectives ul{margin:6px 0 0;padding-left:22px}
.unit-block{scroll-margin-top:88px}
.practice-question{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.practice-prompt{line-height:1.6;white-space:pre-wrap}
.practice-answer{margin-top:8px}
.practice-answer summary{cursor:pointer;color:var(--primary);font-weight:650;min-height:32px;padding:6px 0}
.practice-answer summary:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.answer-content{background:var(--bg);border-radius:10px;margin-top:6px;padding:10px;overflow-wrap:anywhere}
.answer-text{white-space:pre-wrap;margin:5px 0 8px}
.answer-content p{margin:6px 0}
.answer-content ul{padding-left:20px;margin:6px 0 0}
.primary-text,.reading-row strong,.meaning,.explanation,.example,.turn>div{overflow-wrap:anywhere;white-space:pre-wrap}
.item-top>div:first-child{min-width:0}
@media(max-width:720px){.item-actions{flex-shrink:0;max-width:82px;gap:5px}}

.course-route{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.course-route>.route-item{border:0;border-radius:0}
.course-lessons{display:grid;padding:0 15px 10px 75px}
.lesson-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--line);text-decoration:none;color:var(--text);font-size:13px}
.lesson-row>span:first-child{min-width:0;overflow-wrap:anywhere}
.lesson-row:hover{color:var(--primary)}
.lesson-status{flex-shrink:0;color:var(--muted);font-size:11px}
.lesson-navigation,.pagination{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:18px 0}
.pagination>span{color:var(--muted);font-size:13px}
@media(max-width:720px){.course-lessons{padding-left:57px}.lesson-row{align-items:flex-start;flex-wrap:wrap;gap:5px}.lesson-navigation .btn,.pagination .btn{font-size:12px;padding:9px 12px}}

.speech-status-bar{position:sticky;top:68px;z-index:12;display:flex;align-items:center;justify-content:space-between;gap:12px;background:var(--panel-2);border-bottom:1px solid var(--line);padding:10px 28px;font-size:13px}
.speech-status-bar[hidden],.speech-status-actions [hidden]{display:none}
.speech-status-copy{display:grid;gap:3px;min-width:0}
#speech-text{font-size:12px;color:var(--muted);max-height:3em;overflow:hidden;overflow-wrap:anywhere}
.speech-status-actions{display:flex;gap:8px;flex-shrink:0}
.speech-status-actions .mini-btn{padding:0 10px}
.speech-status-bar[data-state="error"]{background:var(--panel);color:#b45309}
.mini-btn.is-playing,.sound-cell.is-playing,.sound-tile.is-playing,.micro-btn.is-playing{color:var(--primary);border-color:var(--primary);background:var(--panel-2)}
.turn-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.turn-audio{display:flex;flex-shrink:0;gap:5px}
.question-audio{display:grid;gap:7px;margin:8px 0;padding:9px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.question-audio>div{display:flex;flex-wrap:wrap;gap:6px}
.question-audio .mini-btn{padding:0 9px;min-height:34px}
.speech-target{font-size:13px;color:var(--primary);overflow-wrap:anywhere}
.practice-audio-note{font-size:12px;color:var(--muted);margin:8px 0}
.dialogue-actions{max-width:180px;flex-wrap:wrap}
.dialogue-actions .js-speak{padding:0 8px;white-space:nowrap}
@media(max-width:720px){.speech-status-bar{top:58px;padding:8px 14px;align-items:flex-start}.speech-status-actions{flex-direction:column}.turn-head{flex-wrap:wrap;gap:6px}.turn-audio .mini-btn{min-width:32px;height:32px}.dialogue-actions{max-width:95px}}