:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0b0f1a;--bg-elev:#121826;--bg-card:#161e2e;--bg-card-hover:#1c263a;--border:#ffffff14;--text:#e8eefc;--muted:#93a0b8;--accent:#5b8cff;--accent-2:#7c5cff;--good:#3dd68c;--ok:#f5a524;--bad:#f04438;--score-good:#3dd68c;--score-ok:#f5a524;--score-bad:#f04438;--radius:16px;--shadow:0 12px 40px #00000059;--max:720px;--safe-bottom:env(safe-area-inset-bottom,0px);background:var(--bg);color:var(--text);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.45}*,:before,:after{box-sizing:border-box}html,body,#root{background:radial-gradient(1200px 600px at 50% -10%, #1a2744 0%, var(--bg) 55%);min-height:100%;margin:0}a{color:inherit;text-decoration:none}button,textarea,input{font:inherit;color:inherit}.app-shell{justify-content:center;min-height:100dvh;display:flex}.page{width:100%;max-width:var(--max);padding:16px 16px calc(28px + var(--safe-bottom));margin:0 auto}.page-header{z-index:5;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:linear-gradient(#0b0f1aeb,#0b0f1ab3);grid-template-columns:40px 1fr auto;align-items:center;gap:8px;margin-bottom:16px;padding:8px 0;display:grid;position:sticky;top:0}.page-title{text-align:center;margin:0;font-size:1.15rem;font-weight:700}.back-link{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;place-items:center;width:40px;height:40px;display:grid}.page-actions{min-width:40px}.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center}.warn{color:var(--ok)}.error{color:var(--bad)}.banner{border:1px solid var(--border);background:#5b8cff14;border-radius:12px;margin-bottom:12px;padding:10px 12px}.home-header{justify-content:space-between;align-items:flex-start;margin:12px 0 24px;display:flex}.brand{letter-spacing:-.03em;background:linear-gradient(120deg,#fff,#9bb7ff);color:#0000;-webkit-background-clip:text;background-clip:text;margin:0;font-size:clamp(1.8rem,5vw,2.4rem)}.home-cards{gap:14px;display:grid}.home-card{border-radius:var(--radius);background:linear-gradient(160deg, var(--bg-card), #121a2b);border:1px solid var(--border);box-shadow:var(--shadow);grid-template-columns:56px 1fr;align-items:center;gap:14px;padding:18px;transition:transform .15s,background .15s;display:grid}.home-card:hover{background:var(--bg-card-hover);transform:translateY(-2px)}.home-card h2{margin:0 0 4px;font-size:1.15rem}.home-card p{color:var(--muted);margin:0;font-size:.92rem}.card-icon{background:linear-gradient(145deg,#5b8cff40,#7c5cff2e);border-radius:16px;place-items:center;width:56px;height:56px;font-size:1.1rem;font-weight:800;display:grid}.footer-meta{text-align:center;margin-top:28px;font-size:.9rem}.icon-btn,.ghost-btn,.secondary-btn,.primary-btn,.linkish{cursor:pointer;background:0 0;border:none}.icon-btn{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;width:44px;height:44px;font-size:1.2rem}.primary-btn{background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#fff;border-radius:14px;padding:14px 18px;font-weight:700;box-shadow:0 8px 24px #5b8cff59}.primary-btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.primary-btn.wide,.secondary-btn.wide{width:100%}.secondary-btn{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:10px 14px;font-weight:600}.secondary-btn:disabled{opacity:.4}.ghost-btn{border:1px solid var(--border);background:#ffffff08;border-radius:12px;padding:8px 12px}.linkish{color:var(--accent);padding:0}.l1-screen{place-items:center;width:100%;min-height:100dvh;padding:24px 16px;display:grid}.l1-card{background:var(--bg-elev);border:1px solid var(--border);width:min(440px,100%);box-shadow:var(--shadow);border-radius:24px;padding:24px 18px 20px}.brand-mark{letter-spacing:-.02em;color:#b8c9ff;margin-bottom:8px;font-weight:800}.l1-card h1{margin:0 0 8px;font-size:1.4rem}.l1-list{border:1px solid var(--border);background:#0d1320;border-radius:16px;max-height:min(48vh,420px);margin:18px 0;padding:0;list-style:none;overflow:auto}.l1-row{text-align:left;border:none;border-bottom:1px solid var(--border);cursor:pointer;background:0 0;justify-content:space-between;align-items:center;width:100%;padding:14px 16px;display:flex}.l1-row:last-child{border-bottom:none}.l1-row.active{background:linear-gradient(90deg,#5b8cff38,#0000);font-weight:700}.partial-dot{background:var(--ok);border-radius:50%;width:8px;height:8px}.partial-note{color:var(--ok);margin:0 0 12px;font-size:.85rem}.seg-tabs{border:1px solid var(--border);background:#0d1320;border-radius:14px;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:16px;padding:4px;display:grid}.seg-tabs button{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:10px;padding:10px;font-weight:700}.seg-tabs button.active{background:var(--bg-card);color:var(--text);box-shadow:inset 0 0 0 1px #5b8cff59}.phoneme-section{margin-bottom:20px}.section-title{color:#b7c4de;margin:0 0 10px;font-size:.95rem}.phoneme-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}@media (width>=640px){.phoneme-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.phoneme-card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;flex-direction:column;gap:4px;min-height:118px;padding:14px 12px;display:flex}.phoneme-card:hover{border-color:#5b8cff73}.phoneme-symbol{font-size:1.35rem;font-weight:800}.phoneme-ipa{color:#9eb0d4;font-size:.85rem}.phoneme-title{font-size:.82rem;font-weight:600}.phoneme-preview{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.75rem;display:-webkit-box;overflow:hidden}.panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;padding:16px}.detail-hero{text-align:center;margin-bottom:16px}.detail-symbol{letter-spacing:-.03em;font-size:2.6rem;font-weight:800}.row-between{justify-content:space-between;align-items:center;gap:8px;display:flex}.word-list{gap:8px;margin:12px 0 0;padding:0;list-style:none;display:grid}.word-row{text-align:left;border:1px solid var(--border);cursor:pointer;background:#101827;border-radius:12px;gap:2px;width:100%;padding:12px;display:grid}.word-text{font-size:1.05rem;font-weight:700}.word-ipa{font-size:.85rem}.word-tip{font-size:.8rem}.sentence-text{white-space:pre-wrap;margin:0 0 8px;font-size:clamp(1.2rem,4vw,1.55rem);font-weight:700}.tip-line{color:#c5d2ee;margin:8px 0 16px}.nav-row{justify-content:space-between;align-items:center;gap:8px;margin:12px 0;display:flex}.field-label{margin-bottom:8px;font-weight:600;display:block}.custom-textarea{resize:vertical;border:1px solid var(--border);background:#0d1320;border-radius:14px;outline:none;width:100%;min-height:160px;padding:14px}.custom-textarea:focus{border-color:#5b8cff8c}.meta{margin:10px 0 14px}.prompt-text{white-space:pre-wrap;word-break:break-word;margin:0 0 8px;font-size:clamp(1.25rem,4.5vw,1.7rem);font-weight:800}.prompt-text.long{font-size:1.05rem;font-weight:650}.practice-controls{flex-wrap:wrap;gap:8px;margin-bottom:8px;display:flex}.model-chip{font-size:.85rem}.record-zone{flex-direction:column;align-items:center;padding:18px 0 8px;display:flex}.record-btn{cursor:pointer;background:linear-gradient(145deg,#ff5d6c,#c7345a);border:none;border-radius:50%;place-items:center;width:92px;height:92px;transition:transform .12s;display:grid;box-shadow:0 14px 30px #ff5d6c59}.record-btn:active{transform:scale(.96)}.record-btn.recording{background:linear-gradient(145deg,#ff8a3d,#e23d3d);animation:1.2s ease-in-out infinite pulse}@keyframes pulse{0%,to{box-shadow:0 0 #ff5d6c73}50%{box-shadow:0 0 0 16px #ff5d6c00}}.mic-icon{font-size:2rem;line-height:1}.status-line{margin-top:4px;font-weight:600}.score-row{grid-template-columns:88px 1fr;align-items:center;gap:14px;margin-bottom:12px;display:grid}.score-ring{border:4px solid var(--ok);background:#0d1320;border-radius:50%;place-items:center;width:88px;height:88px;display:grid}.score-ring[data-tier=good]{border-color:var(--good)}.score-ring[data-tier=ok]{border-color:var(--ok)}.score-ring[data-tier=bad]{border-color:var(--bad)}.score-ring span{font-size:1.5rem;font-weight:800;line-height:1}.score-ring small{color:var(--muted);font-size:.7rem}.feedback-block h3{margin:0 0 4px;font-size:.95rem}.feedback-block p{color:#d5def3;margin:0}.colored-text{margin:8px 0 12px;font-size:1.2rem;font-weight:700;line-height:1.7}.score-word.score-good{color:var(--score-good)}.score-word.score-ok{color:var(--score-ok)}.score-word.score-bad{color:var(--score-bad)}.radar-wrap{justify-content:center;margin:8px 0 12px;display:flex}.radar-svg .radar-grid{fill:none;stroke:#ffffff1f;stroke-width:1px}.radar-svg .radar-axis{stroke:#ffffff1f}.radar-svg .radar-fill{fill:#5b8cff47;stroke:#5b8cff;stroke-width:2px}.radar-svg .radar-dot{fill:#9bb7ff}.radar-svg .radar-label{fill:var(--muted);font-size:11px}.row-gap{flex-wrap:wrap;gap:8px;display:flex}.modal-backdrop{z-index:40;background:#0000008c;place-items:end center;padding:16px;display:grid;position:fixed;inset:0}@media (width>=720px){.modal-backdrop{place-items:center}}.modal-sheet{background:var(--bg-elev);border:1px solid var(--border);width:min(520px,100%);max-height:min(80vh,640px);box-shadow:var(--shadow);border-radius:20px;padding:16px;overflow:auto}.modal-head{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.modal-head h2{margin:0;font-size:1.1rem}.model-list{margin:0;padding:0;list-style:none}.model-row{text-align:left;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:12px;justify-content:space-between;align-items:center;gap:10px;width:100%;padding:12px;display:flex}.model-row.active,.model-row:hover{border-color:var(--border);background:#5b8cff1a}.model-label{flex-wrap:wrap;align-items:center;gap:6px;font-weight:700;display:flex}.model-desc{color:var(--muted);margin-top:2px;font-size:.85rem}.badge{color:var(--good);background:#3dd68c2e;border-radius:999px;padding:2px 6px;font-size:.7rem;font-weight:700}.badge-muted{color:var(--muted);background:#ffffff14}.check{color:var(--accent);font-weight:800}.report-pre{white-space:pre-wrap;border:1px solid var(--border);background:#0d1320;border-radius:12px;padding:12px;font-size:.9rem}.report-words{margin-top:12px;padding-left:18px}@media (width>=768px){.record-btn{width:100px;height:100px}.page{padding-top:24px}}.coach-play-btn{cursor:pointer;color:#fff;background:linear-gradient(145deg, var(--accent), var(--accent-2));border:none;border-radius:50%;flex-shrink:0;place-items:center;width:64px;min-width:56px;height:64px;min-height:56px;transition:transform .12s,opacity .12s;display:grid;box-shadow:0 10px 28px #5b8cff66}.coach-play-btn:hover:not(:disabled){transform:scale(1.04)}.coach-play-btn:active:not(:disabled){transform:scale(.96)}.coach-play-btn:disabled,.coach-play-btn.busy{opacity:.55;cursor:not-allowed;box-shadow:none}.coach-play-icon{display:block}.coach-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.download-audio-btn{border:1px solid var(--border);background:var(--bg-card);width:44px;min-width:44px;height:44px;min-height:44px;color:var(--text);cursor:pointer;border-radius:12px;flex-shrink:0;place-items:center;display:grid}.download-audio-btn:disabled{opacity:.35;cursor:not-allowed}.download-audio-btn:hover:not(:disabled){color:#b8c9ff;border-color:#5b8cff73}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.mouth-diagram{border:1px solid var(--border);background:#0d1320;border-radius:14px;place-items:center;min-height:160px;margin-top:8px;display:grid;overflow:hidden}.mouth-diagram img{object-fit:contain;width:100%;max-height:320px;display:block}.sentence-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.sentence-row{text-align:left;border:1px solid var(--border);background:var(--bg-card);cursor:pointer;border-radius:14px;grid-template-columns:36px 1fr;align-items:start;gap:10px;width:100%;padding:12px 14px;display:grid}.sentence-row:hover{background:var(--bg-card-hover);border-color:#5b8cff73}.sentence-row-index{font-variant-numeric:tabular-nums;padding-top:2px;font-size:.85rem}.sentence-row-body{gap:2px;min-width:0;display:grid}.sentence-row-text{white-space:pre-wrap;word-break:break-word;font-size:1.02rem;font-weight:700}.sentence-row-trans,.sentence-row-tip{font-size:.82rem}.sentence-count{margin:-8px 0 12px}