:root{--bg:color-mix(in srgb, var(--accent) 7%, #f8f7f2);--surface:#fff;--surface-2:color-mix(in srgb, var(--accent) 10%, #f3f2ec);--text:#101828;--muted:#667085;--border:color-mix(in srgb, var(--accent) 16%, #e3e1d8);--danger:#c2413b;--success:#2f8a57;--warning:#b7791f;--accent:#0b8570;--accent-2:#55d6be;--on-accent:#fff;--accent-soft:color-mix(in srgb, var(--accent) 12%, transparent);--hero:linear-gradient(135deg, var(--accent), var(--accent-2));--glow:color-mix(in srgb, var(--accent) 22%, transparent);--radius:20px;--shadow:0 1px 2px #1018280a, 0 8px 24px #1018280f;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.5}:root[data-theme=dark]{--bg:color-mix(in srgb, var(--accent) 8%, #101828);--surface:color-mix(in srgb, var(--accent) 6%, #172133);--surface-2:color-mix(in srgb, var(--accent) 12%, #1f2a3e);--text:#f8f7f2;--muted:#98a2b3;--border:color-mix(in srgb, var(--accent) 22%, #2a3650);--danger:#ef6b64;--success:#4cc283;--warning:#e6a948;--accent:#55d6be;--accent-2:#2fb39a;--on-accent:#101828;--shadow:0 1px 2px #0000004d, 0 8px 24px #0000004d;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}:root[data-accent=ocean]{--accent:#2563eb;--accent-2:#06b6d4}:root[data-theme=dark][data-accent=ocean]{--accent:#60a5fa;--accent-2:#22d3ee}:root[data-accent=forest]{--accent:#15803d;--accent-2:#84cc16}:root[data-theme=dark][data-accent=forest]{--accent:#4ade80;--accent-2:#a3e635}:root[data-accent=sunset]{--accent:#ea580c;--accent-2:#e11d48}:root[data-theme=dark][data-accent=sunset]{--accent:#fb923c;--accent-2:#fb7185}:root[data-accent=berry]{--accent:#be185d;--accent-2:#a855f7}:root[data-theme=dark][data-accent=berry]{--accent:#f472b6;--accent-2:#c084fc}:root[data-accent=graphite]{--accent:#475467;--accent-2:#98a2b3}:root[data-theme=dark][data-accent=graphite]{--accent:#d0d5dd;--accent-2:#98a2b3}*{box-sizing:border-box}body{background:radial-gradient(120% 60% at 50% -10%, var(--glow), transparent 70%) no-repeat, var(--bg);color:var(--text);background-attachment:fixed;margin:0}h1,h2,h3{margin:0 0 .75rem;line-height:1.2}h1{font-size:1.75rem}h2{font-size:1.1rem}h3{margin-top:1.25rem;font-size:.95rem}.muted{color:var(--muted)}.small{font-size:.85rem}.error{color:var(--danger)}.wrong{color:var(--danger);text-decoration:line-through}.right{color:var(--success);font-weight:600}.scenario{border:1px solid var(--border);background:var(--surface);border-radius:.75rem;margin-top:1rem;padding:.75rem 1rem}.scenario__meta{align-items:center;gap:.5rem;display:flex}.scenario__title{margin:.6rem 0 .25rem;font-weight:600}.scenario__tasks{margin:0;padding-left:1.25rem}.scenario--live{margin:0 0 1rem}.scenario__tasks li{transition:color .3s}.scenario__tasks .is-done{color:var(--muted);text-decoration:line-through}.scenario__check{color:var(--accent);margin-left:.4rem;font-weight:700;text-decoration:none;animation:.3s ease-out tick-in;display:inline-block}@keyframes tick-in{0%{opacity:0;transform:scale(.3)}}.takeaway{border:1px solid color-mix(in srgb, var(--accent) 35%, transparent);border-radius:var(--radius);background:var(--accent-soft);margin:1rem 0;padding:1rem 1.1rem}.drill{justify-items:start;gap:.6rem;margin-top:.75rem;display:grid}.drill__button{align-items:center;gap:.5rem;display:inline-flex}.drill__button--live{background:var(--danger);color:#fff}.drill__dot{background:#fff;border-radius:50%;width:.6rem;height:.6rem;animation:1s ease-in-out infinite blink}@keyframes blink{50%{opacity:.3}}.drill__result{background:var(--surface);border-radius:12px;gap:.25rem;width:100%;padding:.65rem .85rem;display:grid}.drill__result--ok strong{color:var(--success)}.takeaway h3{margin-top:0}.takeaway p{margin:.35rem 0}.shell{flex-direction:column;min-height:100vh;display:flex}.nav{z-index:10;background:color-mix(in srgb, var(--bg) 85%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1.25rem;display:flex;position:sticky;top:0}.nav__brand{letter-spacing:-.01em;align-items:center;gap:.5rem;margin-right:auto;font-weight:700;display:inline-flex}.nav__mark{width:auto;height:1.4rem}.theme-toggle{border:1px solid var(--border);background:var(--surface);width:2.25rem;height:2.25rem;color:var(--text);cursor:pointer;border-radius:50%;place-items:center;padding:0;display:grid}.theme-toggle:hover{border-color:var(--accent);color:var(--accent)}.theme-toggle svg{width:1.1rem;height:1.1rem}.nav__links{gap:.25rem;display:flex}.nav__links a{color:var(--muted);border-radius:999px;align-items:center;gap:.4rem;padding:.4rem .8rem;font-size:.95rem;text-decoration:none;display:inline-flex}.icon{vertical-align:-.2em;flex:none;width:1.1em;height:1.1em}.nav__icon{width:1.1rem;height:1.1rem}.nav__links a:hover{color:var(--text)}.nav__links a[aria-current=page]{background:var(--accent-soft);color:var(--accent);font-weight:600}.main{width:100%;max-width:760px;margin:0 auto;padding:2rem 1.25rem 4rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1rem;padding:1.25rem}.notice{border-color:color-mix(in srgb, var(--danger) 40%, var(--border))}.button{appearance:none;min-height:2.75rem;font:inherit;background:var(--hero);color:var(--on-accent);cursor:pointer;border:none;border-radius:999px;padding:.65rem 1.3rem;font-weight:600;transition:transform .1s,filter .15s}.button .icon{margin-right:.45em}.button:hover{filter:brightness(1.08)}.button:active{transform:scale(.97)}.button--ghost{background:var(--surface-2);color:var(--text)}.button--danger{background:var(--danger);color:#fff}.controls{flex-wrap:wrap;justify-content:center;gap:.5rem;margin:1rem 0;display:flex}.chip{appearance:none;border:1px solid var(--border);background:var(--surface);color:var(--text);min-height:2.5rem;font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:.4rem;padding:.4rem .95rem;font-size:.92rem;display:inline-flex}.chip:hover{border-color:var(--accent)}.chip--selected{background:var(--hero);border-color:var(--accent);color:var(--on-accent)}.chip__count{background:var(--accent-soft);min-width:1.3rem;color:var(--accent);border-radius:999px;margin-left:.4rem;padding:0 .35rem;font-size:.8rem;font-weight:600;display:inline-block}.badge{background:var(--accent-soft);color:var(--accent);border-radius:999px;padding:.15rem .6rem;font-size:.85rem;font-weight:600;display:inline-block}.badge--easy{background:color-mix(in srgb, var(--success) 15%, transparent);color:var(--success)}.badge--hard{background:color-mix(in srgb, var(--danger) 12%, transparent);color:var(--danger)}.tags{flex-wrap:wrap;gap:.4rem;display:flex}.tag{background:var(--surface-2);border-radius:8px;padding:.2rem .65rem;font-size:.9rem}.tag--weak{background:color-mix(in srgb, var(--danger) 15%, transparent)}.tag--learning,.tag--new{background:color-mix(in srgb, var(--warning) 15%, transparent)}.tag--known{background:color-mix(in srgb, var(--success) 15%, transparent)}.segmented{background:var(--surface-2);border-radius:12px;flex-wrap:wrap;gap:.25rem;padding:.25rem;display:inline-flex}.segmented button{appearance:none;color:var(--muted);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:9px;padding:.4rem .8rem;font-size:.9rem}.segmented button.is-selected{background:var(--hero);color:var(--on-accent);box-shadow:var(--shadow);font-weight:600}.select,.input{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:10px;padding:.45rem .75rem}input[type=range]{width:100%;max-width:320px;accent-color:var(--accent)}.field{margin-bottom:1.1rem}.field:last-child{margin-bottom:0}.field__label{flex-direction:column;margin-bottom:.4rem;font-size:.95rem;font-weight:600;display:flex}.field__label .muted{font-weight:400}.swatches{grid-template-columns:repeat(auto-fill,minmax(6.5rem,1fr));gap:.6rem;display:grid}.swatch{--swatch:linear-gradient(135deg, #0b8570, #55d6be);appearance:none;border:2px solid var(--border);background:var(--surface);color:var(--text);font:inherit;cursor:pointer;border-radius:14px;flex-direction:column;gap:.4rem;padding:.45rem .45rem .55rem;font-size:.85rem;font-weight:600;display:flex}.swatch__preview{background:var(--swatch);border-radius:9px;height:2.6rem}.swatch[data-accent=ocean]{--swatch:linear-gradient(135deg, #2563eb, #06b6d4)}.swatch[data-accent=forest]{--swatch:linear-gradient(135deg, #15803d, #84cc16)}.swatch[data-accent=sunset]{--swatch:linear-gradient(135deg, #ea580c, #e11d48)}.swatch[data-accent=berry]{--swatch:linear-gradient(135deg, #be185d, #a855f7)}.swatch[data-accent=graphite]{--swatch:linear-gradient(135deg, #475467, #98a2b3)}.swatch.is-selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.section-head{align-items:center;gap:.6rem;margin-bottom:1rem;display:flex}.section-head span{background:var(--accent-soft);border-radius:10px;place-items:center;width:2.2rem;height:2.2rem;font-size:1.1rem;display:grid}.hero--profile{grid-template-columns:auto minmax(0,1fr);gap:1rem;padding:1.25rem}.hero--profile h2{margin:0 0 .35rem;font-size:1.3rem}.hero--profile .hero__eyebrow span:last-child{text-overflow:ellipsis;overflow:hidden}.profile__avatar{z-index:1;background:#ffffff40;border-radius:50%;place-items:center;width:3.5rem;height:3.5rem;font-size:1.5rem;font-weight:700;display:grid;position:relative}.hero{border-radius:calc(var(--radius) + 8px);background:var(--hero);color:var(--on-accent);box-shadow:0 18px 40px -18px color-mix(in srgb, var(--accent) 70%, transparent);grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:1.5rem;margin-bottom:1.75rem;padding:1.75rem;display:grid;position:relative;overflow:hidden}.hero:after{content:"";pointer-events:none;background:#ffffff1f;border-radius:50%;height:120%;position:absolute;inset:auto -20% -60% 40%}.hero__text,.hero__stage{z-index:1;position:relative}.hero h1{margin:.5rem 0 .35rem;font-size:clamp(1.6rem,5vw,2.2rem)}.hero__eyebrow{flex-wrap:wrap;align-items:center;gap:.5rem;margin:0;font-size:.9rem;font-weight:600;display:flex}.hero__pill{background:#ffffff38;border-radius:999px;padding:.15rem .6rem}.hero__sub{opacity:.88;margin:0 0 1.1rem}.hero .tutor__label,.hero .orb__label{display:none}.hero .tutor{width:170px}.hero .tutor__ring{border-color:#ffffffb3}.hero .orb{width:160px;height:160px}.hero .orb__core{box-shadow:0 0 0 6px #ffffff8c,0 12px 40px #0003}.button--light{background:var(--surface);color:var(--accent);box-shadow:0 6px 16px #1018282e}.hero__actions{flex-wrap:wrap;gap:.6rem;display:flex}.hero .button--ghost{color:#fff;background:#ffffff2e}.composer{align-items:flex-end;gap:.5rem;margin-bottom:.5rem;display:flex}.composer__input{resize:none;field-sizing:content;min-width:0;min-height:2.75rem;max-height:8rem;font:inherit;flex:1}.goal{align-items:center;gap:1rem;margin-bottom:1.75rem;display:flex}.goal__ring{flex:none;width:3.75rem;height:3.75rem;transform:rotate(-90deg)}.goal__ring circle{fill:none;stroke-width:7px}.goal__track{stroke:var(--surface-2)}.goal__progress{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset .6s}.goal__check{transform-origin:50%;fill:none;stroke:var(--accent);stroke-width:5px;stroke-linecap:round;stroke-linejoin:round;transform:rotate(90deg)}.goal__ring text{transform-origin:50%;fill:var(--text);font-size:15px;font-weight:700;transform:rotate(90deg)}.goal__text{flex-direction:column;flex:1;gap:.15rem;display:flex}.goal__week{gap:.35rem;display:flex}.goal__week span{background:var(--surface-2);border-radius:50%;width:.7rem;height:.7rem}.goal__week .is-on{background:var(--hero)}.section-title{margin:0 0 .85rem;font-size:1.2rem}.talk__stage{flex-direction:column;align-items:center;gap:1rem;margin:2rem 0 1.5rem;display:flex}.talk__stage--live{flex-direction:row;justify-content:center;margin:.5rem 0 1rem}.talk__stage--live .orb{width:72px;height:72px}.talk__stage--paused .orb{opacity:.4;filter:grayscale(.7)}.talk__dock{border:1px solid var(--border);border-radius:calc(var(--radius) + 4px);background:color-mix(in srgb, var(--surface) 92%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:var(--shadow);margin-top:1rem;padding:.75rem .75rem .5rem;position:sticky;bottom:.75rem}.talk__dock .helpers{margin:0 0 .75rem}.call-controls{justify-content:center;gap:1.5rem;display:flex}.call-button{appearance:none;width:5.5rem;font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:none;flex-direction:column;align-items:center;gap:.3rem;padding:0;font-size:.75rem;display:flex}.call-button__circle{background:var(--surface-2);width:3.5rem;height:3.5rem;color:var(--text);border-radius:50%;place-items:center;transition:transform .1s;display:grid}.call-button:active .call-button__circle{transform:scale(.94)}.call-button__circle svg{width:1.4rem;height:1.4rem}.call-button--on .call-button__circle{background:var(--hero);color:var(--on-accent)}.call-button--end .call-button__circle{background:var(--danger);color:#fff}.talk__status{min-height:1.5em;color:var(--muted);margin:0}.talk__startbar{display:none}.topics{flex-direction:column;gap:1.25rem;display:flex}.topics__heading{color:var(--muted);letter-spacing:.04em;text-transform:uppercase;margin:0 0 .5rem;font-size:.8rem;font-weight:600}.topics__row{flex-wrap:wrap;gap:.4rem;display:flex}.topics [role=radio]:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.quick-start{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}.tile,.roleplay{appearance:none;text-align:left;font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;box-shadow:var(--shadow);flex-direction:column;gap:.35rem;padding:.9rem 1rem;transition:border-color .15s,transform .1s;display:flex}.tile:hover,.roleplay:hover{border-color:var(--accent)}.tile:active,.roleplay:active{transform:scale(.98)}.tile.is-selected,.roleplay.is-selected{border-color:var(--accent);background:var(--accent-soft);box-shadow:inset 0 0 0 1px var(--accent)}.tile__title,.roleplay__title{font-weight:600}.tile__icon{background:var(--accent-soft);width:2.5rem;height:2.5rem;color:var(--accent);border-radius:12px;place-items:center;margin-bottom:.25rem;font-size:1.15rem;display:grid}.is-selected .tile__icon{background:var(--surface)}.tile__text{color:var(--muted);font-size:.85rem;line-height:1.35}.roleplays{grid-template-columns:repeat(auto-fill,minmax(10.5rem,1fr));gap:.6rem;display:grid}.roleplay__meta{align-items:center;gap:.5rem;display:flex}.orb{--user-level:0;--teacher-level:0;cursor:pointer;background:0 0;border:none;border-radius:50%;place-items:center;width:200px;height:200px;padding:0;display:grid;position:relative}.orb:disabled{cursor:default}.orb__core,.orb__halo{border-radius:50%;position:absolute;inset:0}.orb__core{background:radial-gradient(circle at 35% 30%, var(--accent-2), var(--accent) 70%);box-shadow:0 12px 40px color-mix(in srgb, var(--accent) 40%, transparent);transform:scale(calc(.9 + var(--teacher-level) * .35));transition:transform 80ms linear}.orb__halo{background:color-mix(in srgb, var(--accent) 25%, transparent);transform:scale(calc(1 + var(--user-level) * .6));transition:transform 80ms linear}.orb:not(.orb--active):not(:disabled):hover .orb__core{transform:scale(.95)}.orb--active .orb__core{animation:3.5s ease-in-out infinite breathe}.orb__label{color:var(--on-accent);max-width:70%;font-size:1.05rem;font-weight:700;position:relative}@keyframes breathe{50%{filter:brightness(1.12)}}.tutor{--user-level:0;--teacher-level:0;aspect-ratio:1;cursor:pointer;width:220px;color:var(--text);font:inherit;background:0 0;border:none;place-items:center;padding:0;display:grid;position:relative}.tutor:disabled{cursor:default}.tutor__frame{box-shadow:var(--shadow);background:#0e1116;border-radius:50%;position:absolute;inset:0;overflow:hidden}.tutor__frame img,.tutor__frame video{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.tutor__frame video{opacity:0;transition:opacity .25s}.tutor[data-voice=user] .tutor__loop--user,.tutor[data-voice=teacher] .tutor__loop--teacher{opacity:1}.tutor__ring{border:3px solid color-mix(in srgb, var(--accent) calc(30% + var(--teacher-level) * 70%), transparent);box-shadow:0 0 calc(8px + var(--user-level) * 40px) color-mix(in srgb, var(--accent-2) 45%, transparent);border-radius:50%;transition:border-color 80ms linear,box-shadow 80ms linear;position:absolute;inset:-8px}.tutor:not(.tutor--active):not(:disabled):hover .tutor__frame{transform:scale(.98)}.tutor__label{background:var(--accent);color:var(--on-accent);white-space:nowrap;border-radius:999px;padding:.5rem 1.2rem;font-weight:600;position:absolute;bottom:-2.6rem}.talk__stage:has(.tutor:not(.tutor--active)){margin-bottom:3.5rem}.talk__stage--live .tutor{width:140px}.talk__stage--paused .tutor{opacity:.5;filter:grayscale(.7)}.tutors{grid-template-columns:repeat(auto-fill,minmax(5rem,1fr));gap:.6rem;display:grid}.tutor-option{appearance:none;border-radius:var(--radius);color:var(--text);font:inherit;cursor:pointer;background:0 0;border:2px solid #0000;flex-direction:column;align-items:center;gap:.35rem;padding:.4rem;display:flex}.tutor-option img,.tutor-option__orb{aspect-ratio:1;object-fit:cover;background:#0e1116;border-radius:50%;width:100%}.tutor-option__orb{background:radial-gradient(circle at 35% 30%, var(--accent-2), var(--accent) 70%)}.tutor-option:hover{background:var(--surface-2)}.tutor-option.is-selected{border-color:var(--accent);background:var(--accent-soft);font-weight:600}.transcript{flex-direction:column;gap:.6rem;max-height:55vh;padding:.25rem;display:flex;overflow-y:auto}.bubble{background:var(--surface);border:1px solid var(--border);max-width:85%;box-shadow:var(--shadow);border-radius:18px 18px 18px 6px;padding:.65rem .95rem}.bubble p{margin:0}.bubble--user{background:var(--hero);color:var(--on-accent);border-color:#0000;border-radius:18px 18px 6px;align-self:flex-end}.bubble--user .bubble__who{color:inherit;opacity:.75}.bubble__who{color:var(--muted);font-size:.75rem;font-weight:600;display:block}.bubble__pending{opacity:.6}.transcript__hint{text-align:center;color:var(--muted);margin:0}.word{appearance:none;font:inherit;color:inherit;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:0}.word:hover,.word:focus-visible{background:var(--accent-soft);color:var(--accent)}.word-sheet{z-index:30;border:1px solid var(--border);border-radius:calc(var(--radius) + 4px);background:var(--surface);width:min(26rem,100% - 2rem);padding:1rem 1.1rem 1.1rem;animation:.18s ease-out sheet-in;position:fixed;bottom:1rem;left:50%;transform:translate(-50%);box-shadow:0 18px 50px -12px #10182859}@keyframes sheet-in{0%{opacity:0;transform:translate(-50%,.75rem)}}.word-sheet__head{justify-content:space-between;align-items:center;display:flex}.word-sheet__term{font-size:1.3rem}.word-sheet__close{appearance:none;background:var(--surface-2);width:2.25rem;height:2.25rem;color:var(--text);cursor:pointer;border:none;border-radius:50%;font-size:1.3rem}.word-sheet__translation{color:var(--accent);margin:.5rem 0 .25rem;font-size:1.1rem;font-weight:600}.word-sheet__example{font-style:italic}.word-sheet__saved{color:var(--accent);margin:.5rem 0 0;font-weight:600}.corrections{flex-direction:column;gap:.75rem;margin:0;padding:0;list-style:none;display:flex}.corrections li{flex-direction:column;gap:.15rem;display:flex}.helpers{justify-items:center;gap:.6rem;margin:1rem 0;display:grid}.helpers__row{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.helpers__form{gap:.5rem;width:min(100%,28rem);display:flex}.helpers__form .input{flex:1;min-width:0}.chip:disabled{opacity:.5;cursor:not-allowed}.onboarding{justify-items:start;gap:.75rem;max-width:34rem;margin:2rem auto;display:grid}.onboarding__head{justify-content:space-between;align-items:baseline;width:100%;display:flex}.onboarding h1,.onboarding h2{margin:0}.onboarding h2:focus{outline:none}.onboarding__actions{gap:.5rem;display:flex}.onboarding__progress{background:var(--surface-2);border-radius:999px;width:100%;height:6px;overflow:hidden}.onboarding__progress span{background:linear-gradient(90deg, var(--accent), var(--accent-2));height:100%;transition:width .25s;display:block}.onboarding__choices{gap:.5rem;width:100%;display:grid}.stats{grid-template-columns:repeat(auto-fit,minmax(6.5rem,1fr));gap:.75rem;display:grid}.stat{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);flex-direction:column;gap:.15rem;padding:.9rem 1rem;display:flex}.stat strong{font-size:1.6rem;line-height:1.1}.stat__icon{opacity:.85;width:1.3rem;height:1.3rem}.hero .stats{margin-top:1rem}.hero .stat{box-shadow:none;background:#fff3;border-color:#0000}.hero--done{text-align:center;grid-template-columns:1fr}.hero__badge{width:2.75rem;height:2.75rem}.corrections li{background:var(--surface-2);border-radius:14px;padding:.75rem .9rem}.list{margin:0;padding:0;list-style:none}.list li{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:1rem;padding:.6rem 0;display:flex}.list li:first-child{border-top:none}.quiz__head{justify-content:space-between;align-items:center;gap:1rem;display:flex}.quiz__wrong{margin:.5rem 0 .25rem;font-size:1.15rem}.quiz__form .input{width:100%;margin-top:.75rem}.quiz__form .controls,.quiz__result .controls{justify-content:flex-start}.quiz__score{color:var(--accent);margin:.5rem 0;font-size:2.6rem;font-weight:700}.quiz__quit{margin-top:.5rem}.skill__side{align-items:center;gap:.6rem;display:flex}.spark{width:80px;height:24px;fill:var(--accent);opacity:.8}.trend--better{color:var(--success)}.trend--worse{color:var(--danger)}.history-item{appearance:none;width:100%;color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;gap:1rem;padding:0;display:flex}.history-item:hover strong{color:var(--accent)}.detail__bar{justify-content:space-between;gap:.5rem;margin-bottom:1rem;display:flex}.history__toggle{margin-top:.75rem}.transcript--saved{max-height:none}.list__main{flex-direction:column;flex:1;min-width:0;display:flex}.history-item__icon{background:var(--accent-soft);width:2.5rem;height:2.5rem;color:var(--accent);border-radius:12px;flex-shrink:0;place-items:center;font-size:1.1rem;display:grid}.hero--progress{grid-template-columns:1fr}.hero__level{align-items:baseline;gap:.6rem;margin:.25rem 0 0;display:flex}.hero__level strong{font-size:clamp(2.5rem,10vw,3.5rem);line-height:1}.hero__level--none strong{font-size:1.6rem}.hero--progress .button{margin-top:1rem}.status{white-space:nowrap;background:var(--surface-2);border-radius:999px;padding:.15rem .55rem;font-size:.8rem}.status--active{color:var(--danger)}.status--improving{color:var(--warning)}.status--mastered{color:var(--success)}.settings__header{justify-content:space-between;align-items:baseline;display:flex}@media (width<=560px){.word-sheet{bottom:5rem}.auth-page{gap:1.25rem;margin-top:.5rem}.auth-hero__faces img{width:48px;height:48px}.nav{-webkit-backdrop-filter:none;backdrop-filter:none;background:var(--bg)}.nav__links{z-index:10;padding:.5rem .75rem calc(.5rem + env(safe-area-inset-bottom));background:color-mix(in srgb, var(--surface) 92%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-top:1px solid var(--border);justify-content:space-around;position:fixed;inset:auto 0 0}.nav__links a{border-radius:14px;flex-direction:column;flex:1;gap:.15rem;padding:.35rem .25rem;font-size:.75rem}.nav__icon{width:1.4rem;height:1.4rem}.main{padding:1.25rem 1rem 6rem}.talk__dock{margin-inline:-.5rem;bottom:4.75rem}.talk__dock .helpers__row{scrollbar-width:none;flex-wrap:nowrap;justify-content:flex-start;width:100%;overflow-x:auto}.talk__dock .chip{flex-shrink:0}.call-controls{gap:.75rem}.quick-start{scroll-snap-type:x mandatory;scrollbar-width:none;margin:0 -1rem;padding:0 1rem .25rem;scroll-padding-inline:1rem;display:flex;overflow-x:auto}.roleplays{grid-template-columns:repeat(2,1fr)}.talk__startbar{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:999px;justify-content:space-between;align-items:center;gap:.75rem;margin-top:1rem;padding:.6rem .6rem .6rem 1rem;display:flex;position:sticky;bottom:4.25rem}.talk__startbar-topic{text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.talk__startbar .button{flex-shrink:0}.quick-start .tile{scroll-snap-align:start;flex:0 0 72%}.talk__stage{margin:1.25rem 0 1rem}.hero{text-align:center;grid-template-columns:1fr;justify-items:center;gap:1rem;padding:1.4rem 1.1rem}.hero__stage{order:-1}.hero__eyebrow,.hero__level{flex-wrap:wrap;justify-content:center}.hero .tutor{width:132px}.hero .orb{width:124px;height:124px}.hero .button{width:100%}.hero--profile{text-align:left;grid-template-columns:auto minmax(0,1fr);justify-items:start}.hero--profile .hero__eyebrow{justify-content:flex-start}.segmented{width:100%;display:flex}.segmented button{flex:auto}.orb{width:170px;height:170px}.tutor{width:190px}.tutor__label{display:none}.talk__stage:has(.tutor:not(.tutor--active)){margin-bottom:1rem}.list li{flex-direction:column;align-items:flex-start;gap:.25rem}}@media (prefers-reduced-motion:reduce){.orb--active .orb__core{animation:none}}.level__cells{grid-template-columns:1fr 1fr;gap:.75rem;margin:.75rem 0;display:grid}.level__cell{background:var(--accent-soft);border-radius:12px;flex-direction:column;gap:.15rem;padding:.75rem 1rem;display:flex}.level__cell strong{font-size:1.6rem}.level__controls,.placement__controls{justify-content:flex-start}.placement__steps{gap:.35rem;margin:.5rem 0 .75rem;padding:0;list-style:none;display:flex}.placement__steps li{text-align:center;background:var(--surface-2);color:var(--muted);border-radius:999px;flex:1;padding:.2rem 0;font-size:.75rem}.placement__steps .placement__step--reached{background:var(--accent);color:var(--on-accent)}.placement__text{border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0;margin:.5rem 0;padding:.75rem 1rem}.placement__prompt{margin:.75rem 0;font-size:1.15rem}.placement__options{grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem;display:grid}.placement__options .chip{text-align:left;border-width:2px;border-radius:14px;min-height:3.25rem;padding:.7rem 1rem;font-size:1rem;font-weight:600}.placement__level{color:var(--accent);margin:.25rem 0;font-size:3rem;font-weight:700}@media (width<=480px){.placement__options{grid-template-columns:1fr}}.auth-page{align-items:center;gap:1.5rem;max-width:60rem;margin:1.5rem auto;display:grid}@media (width>=900px){.auth-page{grid-template-columns:minmax(0,1fr) 26rem;gap:4rem;width:min(60rem,100vw - 2.5rem);margin:4rem 0 0 50%;transform:translate(-50%)}}.auth-hero{text-align:center}@media (width>=900px){.auth-hero{text-align:left}}.auth-hero__faces{margin-bottom:1rem;display:inline-flex}.auth-hero__faces img{object-fit:cover;border:3px solid var(--bg);background:#0e1116;border-radius:50%;width:56px;height:56px}.auth-hero__faces img+img{margin-left:-14px}.auth-hero__title{margin:0 0 .75rem;font-size:clamp(1.6rem,6vw,2.6rem);line-height:1.15}.auth-hero__text{color:var(--muted);margin:0 0 1rem}.auth-hero__points{flex-wrap:wrap;justify-content:center;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}@media (width>=900px){.auth-hero__points{flex-direction:column;align-items:flex-start}}.auth-hero__points li{background:var(--accent-soft);color:var(--text);border-radius:999px;padding:.35rem .75rem;font-size:.9rem}.auth-hero__points li:before{content:"✓ ";color:var(--accent);font-weight:700}.auth{width:100%;max-width:26rem;margin:0 auto}.auth h2{margin-top:0}.auth__tabs{width:100%;display:flex}.auth__tabs button{flex:1 1 0;padding:.6rem .8rem;font-size:.95rem}.auth__form{flex-direction:column;gap:.9rem;margin-top:1rem;display:flex}.auth__form .input{padding:.7rem .85rem;font-size:1rem}.button--large{width:100%;padding:.8rem 1rem;font-size:1rem}.auth .link-button{margin:1rem auto 0;display:block}.auth__field{flex-direction:column;gap:.35rem;font-size:.95rem;font-weight:600;display:flex}.auth__field .muted{font-weight:400}.auth__error{color:var(--danger);margin:0}.auth__trap{opacity:0;width:1px;height:1px;position:absolute;left:-10000px}.link-button{color:var(--accent);font:inherit;cursor:pointer;background:0 0;border:0;margin-top:.75rem;padding:0;text-decoration:underline}.strength{grid-template-columns:repeat(4,1fr);gap:.25rem;display:grid}.strength span{background:var(--border);border-radius:999px;height:.3rem}.strength[data-strength="1"] .strength__bar--on{background:var(--danger)}.strength[data-strength="2"] .strength__bar--on{background:#d9a400}.strength[data-strength="3"] .strength__bar--on,.strength[data-strength="4"] .strength__bar--on{background:var(--success)}.verify-notice{margin-bottom:1rem}.change-password{margin:.75rem 0 1rem}.change-password__actions{flex-wrap:wrap;gap:.5rem;display:flex}