:root{color:#eef2fb;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--warm: #f47c48;--ink: #182032;--card: #fffaf1;--line: #e3d8c2;--muted: #aab3c5}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:radial-gradient(120% 120% at 50% 28%,#232c40,#141a28 55%,#0b0e16);background-attachment:fixed}button,select,input{font:inherit}button,select{border:1px solid var(--line);border-radius:12px}button{min-height:40px;padding:9px 16px;background:#fff;color:var(--ink);font-weight:700;font-size:.95rem;cursor:pointer}button:hover{background:#fff4e8;border-color:var(--ink)}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #6aa9ff;outline-offset:2px}button:active{transform:translateY(1px)}select{width:100%;min-height:40px;padding:0 14px;background:#fff;color:var(--ink)}.app{min-height:100vh}.app-content{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:10px;padding:10px clamp(12px,3vw,22px);border-bottom:1px solid rgba(255,255,255,.08);background:#0f131e8c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.gear-button{flex:0 0 auto;width:42px;min-height:42px;padding:0;display:grid;place-items:center;font-size:1.25rem;background:#ffffff14;color:#eef2fb;border:1px solid rgba(255,255,255,.16);border-radius:12px}.gear-button:hover{background:#ffffff29;border-color:#ffffff52;transform:rotate(35deg);transition:transform .2s ease}.topbar-toggle{flex:0 0 auto;width:38px;min-height:38px;padding:0;display:grid;place-items:center;font-size:1.05rem;background:#ffffff0d;color:var(--muted);border:1px solid rgba(255,255,255,.12);border-radius:11px;opacity:.7;transition:opacity .15s ease,background .15s ease,border-color .15s ease}.topbar-toggle:hover{background:#ffffff1f;border-color:#ffffff47;opacity:1}.topbar-toggle[aria-pressed=true]{background:#6aa9d647;border-color:#6aa9d699;color:#eef2fb;opacity:1}.topbar-field{min-width:0}.topbar-field select{width:auto;max-width:100%;min-height:38px;border-radius:10px}.topbar-passage{flex:1 1 auto;min-width:0}.topbar-passage select{width:100%;max-width:min(48vw,360px)}.topbar-child select{max-width:30vw}.topbar-meta{flex:0 0 auto;min-width:13rem;margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:2px;line-height:1.1}.topbar-status{font-size:.72rem;font-weight:700;color:var(--muted);white-space:nowrap}.topbar-count{font-size:.92rem;font-weight:800;color:#eef2fb}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(8px,2.2vh,22px);padding:clamp(12px,3vh,28px) 16px clamp(18px,3vh,32px);text-align:center}.sphere-wrap{position:relative;width:min(70vmin,540px);aspect-ratio:1 / 1;flex:0 0 auto}.hero-controls{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.hero-ctrl{position:absolute;display:inline-flex;align-items:center;justify-content:center;pointer-events:auto;border-radius:999px;border:1px solid rgba(255,255,255,.3);background:#121c308c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);color:#eef2fb;line-height:1;box-shadow:0 6px 18px #00000061}.hero-ctrl:disabled{opacity:.4}.hero-ctrl:active{transform:scale(.94)}.hero-prev,.hero-next{top:50%;width:64px;height:64px;margin-top:-32px;font-size:1.7rem}.hero-prev{left:2%}.hero-next{right:2%}.hero-center{top:50%;left:50%;width:92px;height:92px;margin:-46px 0 0 -46px;font-size:2.4rem;background:var(--warm);border-color:var(--warm);color:#fff}.viz-canvas{width:100%;height:100%;display:block}.viz-off{width:100%;height:100%;border-radius:50%;background:radial-gradient(circle at 50% 50%,#6aa9d66b,#6aa9d629 45%,#6aa9d600 70%)}.stage-caption{display:flex;flex-direction:column;align-items:center;gap:8px;max-width:min(680px,92vw)}.teacher-line{margin:0;font-size:clamp(.85rem,1.6vw,.98rem);font-weight:600;color:#c9d2e6}.mini-note{margin:0;font-size:.82rem;color:var(--muted)}.countdown{display:inline-flex;align-items:baseline;gap:6px;color:#eef2fb}.countdown-num{font-size:clamp(2.4rem,8vw,3.6rem);font-weight:800;line-height:1;font-variant-numeric:tabular-nums}.countdown-unit{font-size:.9rem;color:var(--muted)}.current-sentence{margin:4px 0 0;padding:16px 22px;border:1px solid rgba(255,255,255,.16);border-radius:16px;background:#ffffff0f;color:#fff;font-size:clamp(1.3rem,3.4vw,2.1rem);line-height:1.4}.heard-inline{max-width:min(58vw,460px);overflow:hidden;color:#b3401f;font-size:.84rem;font-weight:700;line-height:1.2;text-overflow:ellipsis;white-space:nowrap}.inline-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:4px}.control-bar{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.control-bar .ctrl{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:56px;min-height:44px;padding:8px 10px;border-radius:12px;background:#ffffff1a;border:1px solid rgba(255,255,255,.18);color:#eef2fb;font-size:.86rem;font-weight:700}.control-bar .ctrl:hover{background:#ffffff2e;border-color:#ffffff57}.control-bar .ctrl .ic{font-size:1.05rem;line-height:1}.control-bar .ctrl-primary{min-width:68px;padding:8px 12px}.control-bar .ctrl-go{background:var(--warm);border-color:var(--warm);color:#fff}.control-bar 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.viz-chip:hover{background:#fff4d9;border-color:#cfa57f}.settings-field .viz-chip.is-active{background:var(--ink);border-color:var(--ink);color:#fffaf1}.settings-field .viz-switcher.is-disabled{opacity:.72}.settings-field .viz-switcher.is-disabled .viz-chip{background:#f0e5d3;border-color:#dfcfb8;color:#8a7460}.sentence-toggle{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.88rem}.sentence-toggle input{width:18px;height:18px;flex:0 0 auto}.punctuation-kinds{display:grid;gap:8px;margin:0;padding:10px 12px;border:1px solid var(--line);border-radius:10px}.punctuation-kinds legend{padding:0 6px;font-size:.84rem;font-weight:900;color:#6b3a25}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:flex-start;justify-content:center;padding:clamp(12px,5vh,56px) 14px;background:#080b1299;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);overflow-y:auto}.modal-dialog{width:min(720px,100%);max-height:calc(100vh - 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var(--warm);color:#fff;font-size:1rem;font-weight:800}.preview-done:hover{background:#ff9263;border-color:#ff9263}.settings-form{display:grid;gap:12px}.settings-field{display:flex;flex-direction:column;gap:8px}.settings-field-label{font-size:.84rem;font-weight:900;color:#6b3a25}.settings-hint{margin:-2px 0 4px;padding:8px 10px;border-left:4px solid rgba(139,63,36,.42);border-radius:10px;background:#fff4d9b8;color:#6f5947;font-size:.82rem;font-weight:700;line-height:1.5}.settings-form .mini-note,.settings-cache .mini-note,.pregenerate .mini-note{color:#6f5947;font-weight:700;line-height:1.5}.settings-field .viz-switcher{justify-content:flex-start}label span{display:block;margin-bottom:5px;font-size:.82rem;font-weight:700}.panel{width:min(1080px,100%);border:2px solid var(--line);border-radius:16px;background:var(--card);color:var(--ink);padding:16px 18px}.panel h2{margin:0 0 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12px;border-radius:10px}.grade-ok{background:#d8f5e6}.grade-bad{background:#ffe1da}.grade-detail{font-size:.95rem;margin-top:4px;color:#5a2418}.grade-summary{margin:12px 0 0;padding:12px 14px;border-left:6px solid #2e9e6b;background:#eafaf2;font-weight:700}.clone-sample-list{margin:0;padding:16px 18px 16px 38px;border:2px dashed #8b3f24;border-radius:20px;background:#fff4d9;display:grid;gap:10px;font-size:clamp(1rem,2.2vw,1.25rem);line-height:1.5}.clone-sample-list li{padding-left:4px}.eyebrow{margin:0 0 6px;color:#8b3f24;font-size:.82rem;font-weight:900;letter-spacing:.06em;text-transform:uppercase}.primary{background:var(--warm);border-color:var(--warm);color:#fff}.primary:hover{background:#ff9263;border-color:#ff9263}button:disabled,.file-button:has(input:disabled){opacity:.5;cursor:not-allowed}button:disabled:hover{background:#fff;border-color:var(--line)}.control-grid{display:flex;flex-wrap:wrap;gap:8px}.control-grid button{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:80px;min-height:54px;padding:8px 12px;font-size:.76rem;font-weight:700}.control-grid button .ic{font-size:1.25rem;line-height:1}.image-picker{display:flex;flex-direction:column;gap:12px;margin-top:12px}.image-count{align-self:center;font-weight:700;font-size:.9rem;color:#5a4632}.paste-hint{align-self:center;font-size:.9rem;color:#6f5947;font-weight:700}.image-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:12px}.image-thumb{position:relative;width:88px;display:flex;flex-direction:column;align-items:center;gap:6px}.image-thumb img{width:88px;height:88px;object-fit:cover;border-radius:12px;border:2px solid var(--ink)}.image-thumb .page-no{position:absolute;top:4px;left:4px;min-width:20px;padding:1px 6px;border-radius:999px;background:var(--ink);color:#fff;font-size:.8rem;font-weight:800;text-align:center}.thumb-actions{display:flex;gap:4px}.thumb-actions button{min-height:auto;padding:2px 8px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:.85rem;cursor:pointer}.thumb-actions button:disabled{opacity:.4;cursor:not-allowed}.listening-indicator{display:inline-flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin:0;padding:5px 12px;border-radius:999px;background:#fdecec;color:#7a1d16;font-weight:700;font-size:.82rem;cursor:help}.listening-dot{flex:0 0 auto;width:11px;height:11px;border-radius:50%;background:#e2483d;box-shadow:0 0 #e2483d8c;animation:listening-pulse 1.2s ease-out infinite}@keyframes listening-pulse{0%{box-shadow:0 0 #e2483d8c}70%{box-shadow:0 0 0 14px #e2483d00}to{box-shadow:0 0 #e2483d00}}@media (max-width: 760px){.topbar{display:grid;grid-template-columns:42px minmax(0,1fr) auto;align-items:center;gap:8px;padding:calc(8px + env(safe-area-inset-top,0px)) 10px 8px}.topbar-toggle,.topbar-child{display:none}.topbar-passage select{max-width:100%}.topbar-meta{min-width:4.6rem;margin-left:0}.topbar-status{display:none}.topbar-count{font-size:.84rem;white-space:nowrap}.sphere-wrap{width:min(82vmin,420px)}.modal-overlay{align-items:stretch;padding:0;overflow:hidden}.modal-dialog{width:100dvw;height:100dvh;max-height:none;border:0;border-radius:0}.modal-head{flex:0 0 auto;padding:calc(12px + env(safe-area-inset-top,0px)) 14px 12px}.modal-close{width:44px;min-height:44px}.modal-body{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);min-height:0;overflow:hidden}.modal-tabs{flex:0 0 auto;flex-direction:row;flex-wrap:nowrap;border-right:none;border-bottom:1px solid var(--line);overflow-x:auto;overflow-y:hidden;padding:10px 12px}.modal-tab{flex:0 0 auto;min-height:42px;white-space:nowrap}.modal-panel{min-height:0;padding:16px 14px calc(24px + env(safe-area-inset-bottom,0px));overflow-y:auto}.heard-inline{max-width:82vw}.clone-voice-panel .control-grid{justify-content:center}.clone-voice-panel .control-grid button{flex:1 1 100%}}@media (prefers-reduced-motion: reduce){.gear-button:hover{transform:none}.listening-dot{animation:none}}