:root{--bg: #f6f7fb;--surface: #ffffff;--surface-2: #f0f2f8;--border: #e3e6ef;--text: #171a2b;--muted: #5f6680;--faint: #8d93a8;--brand: #4f46e5;--brand-ink: #ffffff;--brand-soft: #eceafe;--accent: var(--brand);--accent-soft: color-mix(in srgb, var(--accent) 13%, transparent);--green: #12925b;--green-soft: #ddf5ea;--amber: #b86e00;--amber-soft: #fff1d6;--red: #d42f45;--red-soft: #fde4e8;--grey-soft: #eceef3;--shadow: 0 1px 2px rgba(20, 24, 50, .06), 0 4px 16px rgba(20, 24, 50, .06);--shadow-lg: 0 10px 40px rgba(20, 24, 50, .14);--radius: 16px;--radius-sm: 10px;--font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--ipa: "Charis SIL", "Doulos SIL", "Gentium Plus", "Noto Sans", "Segoe UI", "Lucida Sans Unicode", sans-serif;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0f1120;--surface: #171a2e;--surface-2: #1f2340;--border: #2b3052;--text: #eef0fb;--muted: #a3a9c7;--faint: #737a9c;--brand: #8b85ff;--brand-ink: #0f1120;--brand-soft: #25234d;--green: #3fd394;--green-soft: #133d2c;--amber: #f5b647;--amber-soft: #3d2f12;--red: #ff6b80;--red-soft: #45182a;--grey-soft: #252945;--shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);--shadow-lg: 0 10px 40px rgba(0,0,0,.5);color-scheme:dark}}:root[data-theme=dark]{--bg: #0f1120;--surface: #171a2e;--surface-2: #1f2340;--border: #2b3052;--text: #eef0fb;--muted: #a3a9c7;--faint: #737a9c;--brand: #8b85ff;--brand-ink: #0f1120;--brand-soft: #25234d;--green: #3fd394;--green-soft: #133d2c;--amber: #f5b647;--amber-soft: #3d2f12;--red: #ff6b80;--red-soft: #45182a;--grey-soft: #252945;--shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);--shadow-lg: 0 10px 40px rgba(0,0,0,.5);color-scheme:dark}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}a{color:var(--brand);text-decoration:none}h1,h2,h3{line-height:1.2;margin:0;letter-spacing:-.01em}h1{font-size:1.9rem;font-weight:750}h2{font-size:1.35rem;font-weight:700}h3{font-size:1.05rem;font-weight:650}p{margin:0}.muted{color:var(--muted)}.faint{color:var(--faint)}.small{font-size:.875rem}.tiny{font-size:.78rem}.ipa{font-family:var(--ipa);letter-spacing:.01em}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 60%,transparent);outline-offset:2px;border-radius:6px}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:20;backdrop-filter:saturate(1.4) blur(12px);background:color-mix(in srgb,var(--bg) 82%,transparent);border-bottom:1px solid var(--border)}.topbar-inner{max-width:1120px;margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:14px}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text);letter-spacing:-.02em}.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#9b5cf6);display:grid;place-items:center;color:#fff}.nav{display:flex;gap:2px;margin-left:8px}.nav a{padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:560;font-size:.95rem;display:flex;align-items:center;gap:7px}.nav a:hover{background:var(--surface-2);color:var(--text)}.nav a.active{background:var(--brand-soft);color:var(--brand)}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:10px}.main{max-width:1120px;width:100%;margin:0 auto;padding:24px 16px 80px;flex:1}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}.page-head p{margin-top:6px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.row{display:flex;align-items:center;gap:10px}.row-wrap{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.spacer{flex:1}.stack{display:flex;flex-direction:column;gap:12px}.stack-lg{display:flex;flex-direction:column;gap:20px}@media (max-width: 900px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 640px){.grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr)}.nav{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);justify-content:space-around;margin:0;padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:30}.nav a{flex-direction:column;gap:2px;font-size:.7rem;padding:6px 8px}h1{font-size:1.5rem}.main{padding-top:16px}}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card.flat{box-shadow:none}.card-link{display:block;color:inherit;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.card-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 40%,var(--border))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--border);background:var(--surface);padding:9px 15px;border-radius:12px;font-weight:600;font-size:.94rem;cursor:pointer;transition:background .15s,border-color .15s,transform 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10px;border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:.8rem;font-weight:600}.chip.accent{background:var(--accent-soft);color:var(--accent)}.chip.green{background:var(--green-soft);color:var(--green)}.chip.amber{background:var(--amber-soft);color:var(--amber)}.chip.red{background:var(--red-soft);color:var(--red)}.progress{height:8px;background:var(--surface-2);border-radius:999px;overflow:hidden}.progress>div{height:100%;background:var(--accent);border-radius:999px;transition:width .4s ease}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center;margin-bottom:28px}.hero h1{font-size:2.3rem}.hero h1 span{background:linear-gradient(90deg,var(--brand),#c04bd8);-webkit-background-clip:text;background-clip:text;color:transparent}@media (max-width: 800px){.hero{grid-template-columns:1fr}.hero h1{font-size:1.8rem}}.accent-card{position:relative;overflow:hidden}.accent-card:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:var(--accent)}.flag{font-size:2rem;line-height:1}.stat{display:flex;flex-direction:column;gap:2px}.stat b{font-size:1.6rem;font-weight:750;letter-spacing:-.02em}.lesson-row{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:14px;border:1px solid var(--border);background:var(--surface);color:inherit;transition:border-color .15s,box-shadow .15s}.lesson-row:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--border));box-shadow:var(--shadow)}.lesson-num{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-weight:750;flex-shrink:0}.lesson-num.done{background:var(--green);color:#fff}.trainer{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:18px;align-items:start}@media (max-width: 920px){.trainer{grid-template-columns:minmax(0,1fr)}}.target-word{font-size:clamp(2rem,6vw,3.2rem);font-weight:780;letter-spacing:-.025em;line-height:1.1;word-break:break-word}.target-word.sentence{font-size:clamp(1.35rem,3.5vw,1.9rem);font-weight:680;letter-spacing:-.01em}.ipa-big{font-family:var(--ipa);font-size:1.6rem;color:var(--accent)}.syllables{display:flex;flex-wrap:wrap;gap:6px;align-items:flex-end}.syl{font-family:var(--ipa);padding:4px 10px;border-radius:10px;background:var(--surface-2);color:var(--muted);font-size:1.05rem}.syl.stressed{background:var(--accent);color:#fff;font-size:1.3rem;font-weight:700;padding:6px 14px}.syl.secondary{background:var(--accent-soft);color:var(--accent)}.howto{background:var(--surface-2);border-radius:14px;padding:14px 16px}.howto h4{margin:0 0 4px;font-size:.92rem}.compare-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:6px 12px;align-items:center}.compare-row .ipa{font-size:1.05rem}.diff{color:var(--red);font-weight:700}.recorder{display:flex;flex-direction:column;align-items:center;gap:14px;padding:24px 16px}.rec-btn{width:108px;height:108px;border-radius:50%;border:none;cursor:pointer;display:grid;place-items:center;background:var(--accent);color:#fff;box-shadow:0 10px 30px color-mix(in srgb,var(--accent) 45%,transparent);transition:transform .12s ease,background .2s;position:relative}.rec-btn:hover{transform:scale(1.04)}.rec-btn.recording{background:var(--red);box-shadow:0 10px 30px color-mix(in srgb,var(--red) 45%,transparent)}.rec-btn.recording:after{content:"";position:absolute;inset:-10px;border-radius:50%;border:3px solid var(--red);opacity:.5;animation:pulse 1.3s ease-out infinite}.rec-btn.busy{background:var(--faint);cursor:progress}.rec-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}@keyframes 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transparent;cursor:pointer;background:var(--grey-soft)}.word-chip.green{background:var(--green-soft);color:var(--green)}.word-chip.amber{background:var(--amber-soft);color:var(--amber)}.word-chip.red{background:var(--red-soft);color:var(--red)}.word-chip.sel{border-color:currentColor}.phones{display:flex;flex-wrap:wrap;gap:6px}.phone{display:flex;flex-direction:column;align-items:center;min-width:46px;padding:6px 8px;border-radius:10px;background:var(--surface-2);font-family:var(--ipa)}.phone .t{font-size:1.2rem;font-weight:700}.phone .s{font-size:.82rem;color:var(--muted)}.phone.ok,.phone.variant{background:var(--green-soft)}.phone.ok .t,.phone.variant .t{color:var(--green)}.phone.close,.phone.unsure{background:var(--amber-soft)}.phone.close .t,.phone.unsure .t{color:var(--amber)}.phone.wrong,.phone.missing,.phone.extra{background:var(--red-soft)}.phone.wrong .t,.phone.missing .t,.phone.extra .t{color:var(--red)}.phone.missing .t{text-decoration:line-through}.issue{display:flex;gap:10px;padding:12px 14px;border-radius:12px;background:var(--surface-2)}.issue .dot{width:8px;height:8px;border-radius:50%;background:var(--red);margin-top:8px;flex-shrink:0}.tip{border-left:4px solid var(--accent);background:var(--accent-soft);padding:12px 14px;border-radius:0 12px 12px 0}.banner{display:flex;gap:12px;align-items:flex-start;padding:12px 16px;border-radius:14px;border:1px solid var(--border);background:var(--surface)}.banner.warn{background:var(--amber-soft);border-color:transparent;color:var(--text)}.banner.error{background:var(--red-soft);border-color:transparent}.banner.info{background:var(--brand-soft);border-color:transparent}.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;font-size:.8rem;font-weight:650;background:var(--surface-2);color:var(--muted);border:1px solid var(--border);cursor:pointer}.pill .led{width:8px;height:8px;border-radius:50%;background:var(--faint)}.pill.ready .led{background:var(--green);box-shadow:0 0 0 3px var(--green-soft)}.pill.loading .led{background:var(--amber);animation:blink 1s infinite}.pill.error .led{background:var(--red)}@keyframes blink{50%{opacity:.3}}.streak{display:inline-flex;align-items:center;gap:4px;font-weight:750;font-size:.9rem;color:#f2711c}.field{display:flex;flex-direction:column;gap:6px}.field label{font-weight:600;font-size:.92rem}.input,select.input,textarea.input{padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:var(--surface);width:100%}.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.seg{display:inline-flex;background:var(--surface-2);border-radius:12px;padding:3px;gap:2px;flex-wrap:wrap}.seg button{border:none;background:transparent;padding:7px 12px;border-radius:9px;font-weight:600;font-size:.88rem;color:var(--muted);cursor:pointer}.seg button.on{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}.switch{position:relative;width:44px;height:26px;border-radius:999px;background:var(--border);border:none;cursor:pointer;flex-shrink:0;transition:background .2s}.switch:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform .2s;box-shadow:0 1px 3px #00000040}.switch.on{background:var(--brand)}.switch.on:after{transform:translate(18px)}.table{width:100%;border-collapse:collapse;font-size:.92rem}.table th{text-align:left;font-weight:650;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;padding:8px 10px;border-bottom:1px solid var(--border)}.table td{padding:10px;border-bottom:1px solid var(--border);vertical-align:middle}.table tr:last-child td{border-bottom:none}.scroll-x{overflow-x:auto}.modal-back{position:fixed;inset:0;background:#0a0c1e73;display:grid;place-items:center;z-index:50;padding:16px;animation:fade .2s}.modal{max-width:520px;width:100%}@keyframes fade{0%{opacity:0}}.confetti{font-size:3rem;text-align:center}.empty{text-align:center;padding:36px 16px;color:var(--muted)}html{font-size:18px}@media (max-width: 640px){html{font-size:17px}}body{font-size:1rem}h1{font-size:2.2rem}h2{font-size:1.55rem}h3{font-size:1.2rem}.small{font-size:.95rem}.tiny{font-size:.82rem}.main{max-width:1240px}.topbar-inner{max-width:1240px;padding:12px 16px}.logo{font-size:1.3rem}.logo-mark{width:40px;height:40px}.nav a{font-size:1rem;padding:10px 14px}.btn{font-size:1rem;padding:11px 18px}.btn.sm{font-size:.92rem;padding:8px 13px}.btn.lg{font-size:1.12rem;padding:15px 26px}.card{padding:26px}.target-word{font-size:clamp(2.8rem,8vw,4.6rem)}.target-word.sentence{font-size:clamp(1.7rem,4.5vw,2.4rem);line-height:1.25}.ipa-big{font-size:1.9rem}.syl{font-size:1.25rem;padding:6px 14px}.syl.stressed{font-size:1.55rem;padding:8px 18px}.sayit{display:flex;flex-direction:column;gap:2px;padding:14px 18px;border-radius:16px;background:var(--accent-soft);border:2px solid color-mix(in srgb,var(--accent) 35%,transparent)}.sayit-text{font-size:clamp(1.8rem,5vw,2.6rem);font-weight:800;letter-spacing:.02em;color:var(--accent);line-height:1.15;word-break:break-word}.rnote{background:var(--amber-soft);border-radius:12px;padding:10px 14px}.said-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.said-row>div{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border-radius:14px;background:var(--surface-2)}.said-row b{font-size:1.5rem;letter-spacing:.02em;word-break:break-word}.rec-btn{width:132px;height:132px}.score-ring .num{font-size:2.4rem}.word-chip{font-size:1.1rem;padding:8px 14px}.phone .t{font-size:1.45rem}.phone .s{font-size:.95rem}.phone{min-width:54px;padding:8px 10px}.lesson-num{width:44px;height:44px;font-size:1.05rem}.lesson-row{padding:16px 18px}.hero h1{font-size:2.8rem}@media (max-width: 800px){.hero h1{font-size:2.1rem}}.pause-mark{color:var(--accent);font-weight:800}.pace-on{background:var(--accent);color:#fff;border-radius:10px;padding:0 6px}.pace-done{opacity:.45}.breathe{display:inline-block;animation:breathe 8s ease-in-out infinite}@keyframes breathe{0%,to{transform:scale(1);opacity:.75}50%{transform:scale(1.06);opacity:1}}.track-tabs{display:flex;gap:8px;flex-wrap:wrap}