:root{--bg:#f6f3ec;--surface:#fff;--surface-2:#f2eee6;--surface-glass:#fffdf9db;--text:#0f172a;--muted:#565d6e;--border:#e6e0d4;--primary:#0047a0;--primary-hover:#003a85;--primary-text:#fff;--primary-soft:#e8f0fb;--accent-red:#cd2e3a;--ok:#15803d;--ok-bg:#ecfdf3;--bad:#c62828;--bad-bg:#fef2f2;--warn:#b45309;--warn-bg:#fff7e6;--mark:#fde68a;--focus-ring:0 0 0 3px #0047a059;--tone-blue-bg:#e8f0fb;--tone-blue:#0047a0;--tone-teal-bg:#dff5f1;--tone-teal:#0f6b5f;--tone-violet-bg:#efe9fd;--tone-violet:#5b3cc4;--tone-red-bg:#fde8ea;--tone-red:#b4232f;--tone-amber-bg:#fdf0d5;--tone-amber:#92510a;--tone-green-bg:#e3f5e8;--tone-green:#17703a;--radius-sm:8px;--radius-md:10px;--radius-lg:14px;--radius:var(--radius-lg);--shadow-sm:none;--shadow:0 1px 2px #0f172a0a, 0 6px 20px -8px #0f172a1f;--nav-h:64px;--font-mono:ui-monospace, "SF Mono", Menlo, Consolas, "Roboto Mono", "DejaVu Sans Mono", monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light 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var(--border);background:var(--surface);max-width:90%;box-shadow:var(--shadow-sm);border-radius:18px;padding:10px 14px}.bubble--client{border-bottom-left-radius:6px;align-self:flex-start}.bubble--you{background:var(--primary-soft);border-color:#0000;border-bottom-right-radius:6px;align-self:flex-end}.bubble--wrong{background:var(--bad-bg)}.bubble-who{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:2px;font-size:.72rem;font-weight:700;display:block}.hint{border-radius:var(--radius-md);background:var(--warn-bg);border:1px solid color-mix(in srgb, var(--warn) 20%, transparent);padding:12px 14px;font-size:.95rem}.choices{flex-direction:column;gap:10px;display:flex}.choice{text-align:left;border:1.5px solid var(--border);border-radius:var(--radius-md);background:var(--surface);cursor:pointer;min-height:48px;padding:14px 16px;font-size:1rem;line-height:1.5;transition:border-color .15s,background-color .15s,transform .1s}.choice:hover,.choice:focus-visible{border-color:var(--primary);background:var(--primary-soft)}.choice:active{transform:scale(.985)}.feedback{border-radius:var(--radius-md);border:1px solid #0000;flex-direction:column;gap:6px;padding:14px;display:flex}.feedback--ok{background:var(--ok-bg);border-color:color-mix(in srgb, var(--ok) 20%, transparent)}.feedback--ok>strong{color:var(--ok)}.feedback--bad{background:var(--bad-bg);border-color:color-mix(in srgb, var(--bad) 20%, transparent)}.feedback--bad>strong{color:var(--bad)}.model{border-radius:var(--radius-md);background:var(--primary-soft);border:1px solid color-mix(in srgb, var(--primary) 25%, transparent);flex-direction:column;gap:6px;padding:14px;display:flex}.score{font-family:var(--font-mono);color:var(--primary);font-size:1.5rem;font-weight:800}.email-text{font-family:inherit;font-size:1rem;line-height:1.7}.email-text--static{white-space:pre-wrap;overflow-wrap:anywhere;margin:0}.email-text--ok{border-radius:var(--radius-md);background:var(--ok-bg);padding:12px 14px}.phrase-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.phrase{align-items:baseline;gap:8px;display:flex}.phrase-mark{text-align:center;width:1.2em;color:var(--muted);flex:none;font-weight:700}.phrase--used .phrase-mark{color:var(--ok)}.meeting-lines{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.meeting-line{border-radius:var(--radius-sm);background:var(--surface-2);padding:8px 12px}.meeting-line p{margin:0}.meeting-line--now{outline:2px solid var(--primary)}mark{background:var(--mark);color:inherit;border-radius:4px;padding:0 2px}.corrections{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.corrections .badge{align-self:flex-start}del{color:var(--bad)}ins{color:var(--ok);font-weight:700;text-decoration:none}.flashcard{border:1px solid var(--border);background:var(--surface);min-height:300px;box-shadow:var(--shadow);cursor:pointer;text-align:center;border-radius:24px;flex-direction:column;justify-content:center;gap:16px;padding:32px 20px 24px;transition:transform .15s;display:flex;position:relative;overflow:hidden}.flashcard:before{content:"";background:var(--accent-red);border-radius:0 0 2px 2px;width:22px;height:4px;position:absolute;top:0;left:18px}.flashcard:not(.flipped):active{transform:scale(.985)}.flashcard.flipped{cursor:default}.flashcard-front{flex-direction:column;align-items:center;gap:12px;display:flex}.flashcard-word{letter-spacing:-.01em;font-size:2.6rem;font-weight:800}.flashcard-back{border-top:1px dashed var(--border);padding-top:18px}.flashcard-meaning{font-size:1.25rem;font-weight:700}.example{border-radius:var(--radius-md);background:var(--surface-2);text-align:left;flex-direction:column;gap:4px;padding:14px;display:flex}.grades{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.grades .btn{border-radius:var(--radius-md);flex-direction:column;gap:0;min-height:56px;padding:8px 4px}.grades small{opacity:.85;font-weight:500}.stats{grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:10px;display:grid}.stat{border-radius:var(--radius-md);background:var(--surface-2);flex-direction:column;gap:2px;padding:12px;display:flex}.stat-value{color:var(--primary);font-size:1.5rem;font-weight:800;line-height:1.2}.stat-label{color:var(--muted);font-size:.78rem}.bar{background:var(--surface-2);border-radius:2px;height:8px;overflow:hidden}.bar-fill{background:var(--primary);border-radius:2px 0 0 2px;height:100%;position:relative}.bar-fill:not([style*="width: 0%"]):after{content:"";background:var(--accent-red);width:4px;height:100%;position:absolute;top:0;right:-4px}.error{border-radius:var(--radius-md);background:var(--bad-bg);color:var(--bad);padding:10px 14px;font-size:.92rem}.drill-line{font-size:1.45rem;font-weight:700;line-height:1.6}.speed-row{align-items:flex-end;gap:12px;display:flex}.speed-row .link-btn{flex:none;min-height:44px}.speed{flex-direction:column;flex:1;gap:4px;display:flex}.speed input{width:100%;min-height:44px;accent-color:var(--primary)}.interim{border-radius:var(--radius-md);background:var(--surface-2);color:var(--muted);padding:12px 14px}@keyframes pulse{50%{opacity:.3}}.voice-toggle{align-self:flex-start;margin-top:10px}.score-badge{align-self:flex-start;padding:6px 14px;font-size:1rem;font-weight:800}.tokens{flex-wrap:wrap;gap:6px;font-size:1.05rem;display:flex}.tok{border-radius:6px;padding:1px 6px}.tok--match{background:var(--ok-bg);color:var(--ok)}.tok--partial{background:var(--warn-bg);color:var(--warn)}.tok--missing{background:var(--bad-bg);color:var(--bad);-webkit-text-decoration:underline wavy;text-decoration:underline wavy}.tok--extra{color:var(--muted);text-decoration:line-through}.legend{flex-wrap:wrap;gap:6px;display:flex}.backend-banner{background:var(--warn-bg);color:var(--text);border-bottom:1px solid var(--border);flex-wrap:wrap;flex:none;align-items:center;gap:4px 8px;padding:8px 16px;font-size:.85rem;display:flex}.backend-banner--offline{background:var(--surface-2)}.backend-banner--update{background:var(--primary-soft)}.backend-banner .link-btn{min-height:32px}.spinner{border:2px solid var(--muted);border-top-color:#0000;border-radius:50%;width:12px;height:12px;animation:.8s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.field{flex-direction:column;gap:6px;font-weight:600;display:flex}.field small{font-weight:400}.field input{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);width:100%;min-height:48px;padding:12px 14px;font-size:1rem;font-weight:400}.field .select{font-weight:400}.ai-feedback{border-radius:var(--radius-md);border:1px solid var(--border);background:var(--surface);align-self:flex-end;width:90%;padding:12px 14px}.chat-input{background:linear-gradient(to bottom, transparent, var(--bg) 14px);padding:10px 0 4px;position:sticky;bottom:0}.switch{cursor:pointer;align-items:center;gap:10px;min-height:44px;display:flex}.switch input{width:20px;height:20px;accent-color:var(--primary)}.guide{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-2)}.guide summary{min-height:48px;color:var(--primary);cursor:pointer;align-items:center;padding:0 14px;font-weight:700;list-style:none;display:flex}.guide summary::-webkit-details-marker{display:none}.guide summary:after{content:"›";margin-left:auto;font-size:1.3rem;transition:transform .2s}.guide[open] summary:after{transform:rotate(90deg)}.gram-hl{border-bottom:2px solid var(--primary);background:var(--primary-soft);border-radius:4px 4px 0 0;padding:0 2px}.gram-hl sup{color:var(--primary);margin-left:1px;font-size:.6em;font-weight:800}.grammar{border-top:1px dashed var(--border);flex-direction:column;gap:8px;margin-top:6px;padding-top:10px;display:flex}.grammar-title{color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-size:.78rem;font-weight:700}.grammar-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.grammar-list li{align-items:flex-start;gap:10px;display:flex}.grammar-n{background:var(--primary);width:22px;height:22px;color:var(--primary-text);border-radius:50%;flex:none;place-items:center;margin-top:1px;font-size:.72rem;font-weight:800;display:grid}.grammar-pattern{color:var(--primary)}.search{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);min-height:48px;color:var(--muted);align-items:center;gap:8px;padding:0 6px 0 14px;transition:border-color .15s,box-shadow .15s;display:flex}.search:focus-within{border-color:var(--primary);box-shadow:var(--focus-ring)}.search input{min-width:0;min-height:46px;color:var(--text);background:0 0;border:0;outline:none;flex:1;font-size:1rem}.search input:focus{box-shadow:none}.search input::-webkit-search-cancel-button{display:none}.find-entry{color:var(--muted);font-size:.95rem;text-decoration:none}.find-entry span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.find-ko{white-space:pre-line;font-size:1.1rem}.search-clear{background:var(--surface-2);width:36px;height:36px;color:var(--muted);cursor:pointer;border:0;border-radius:999px;font-size:1.2rem}.chips{scrollbar-width:none;gap:8px;margin:0 -16px;padding:2px 16px 4px;display:flex;overflow-x:auto}.chips::-webkit-scrollbar{display:none}.chip{border:1px solid var(--border);background:var(--surface);min-height:38px;color:var(--text);white-space:nowrap;cursor:pointer;border-radius:999px;flex:none;padding:0 14px;font-size:.88rem;font-weight:600}.chip span{color:var(--muted);margin-left:4px;font-weight:500}.chip.active{background:var(--primary);border-color:var(--primary);color:var(--primary-text)}.chip.active span{color:inherit;opacity:.8}.filters{grid-template-columns:1fr 1fr;gap:10px;display:grid}.filters .field{gap:4px}.voice-debug summary{min-height:44px;color:var(--primary);cursor:pointer;align-items:center;font-weight:600;display:flex}.voice-debug ul{margin:0;padding:0;list-style:none}.voice-debug code{word-break:break-all;font-size:.75rem}.custom-q{overflow-wrap:anywhere;font-weight:700;line-height:1.5}.custom-example{border-radius:var(--radius-md);background:var(--surface-2);white-space:pre-wrap;overflow-wrap:anywhere;margin:0;padding:12px 14px;font-family:inherit;font-size:.9rem;line-height:1.6}.custom-preview>li{border-top:1px solid var(--border);overflow-wrap:anywhere;padding:12px 0}.custom-preview>li:first-child{border-top:0}.record-control{align-items:center;gap:16px;display:flex}.record-btn{color:#fff;width:72px;height:72px;box-shadow:var(--shadow);cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;touch-action:none;-webkit-tap-highlight-color:transparent;background:#d32f3c;border:none;border-radius:50%;flex:none;place-items:center;transition:transform .1s;display:grid}.record-btn:active:not(:disabled){transform:scale(.94)}.record-btn:disabled{opacity:.6}.record-btn:focus-visible{box-shadow:var(--focus-ring);outline:none}.record-btn--on{background:#b71c2a;animation:1.2s infinite rec-ring}@keyframes rec-ring{0%{box-shadow:0 0 #cd2e3a73}to{box-shadow:0 0 0 16px #cd2e3a00}}.record-side{flex-direction:column;gap:6px;min-width:0;display:flex}.level{align-items:center;gap:4px;height:36px;display:flex}.level span{transform-origin:50%;background:#d32f3c;border-radius:3px;width:6px;height:100%;transition:transform 60ms linear;transform:scaleY(.12)}.level--idle span{animation:1s infinite pulse}.chips{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.chip{border:1px solid var(--border);background:var(--surface);min-width:52px;min-height:44px;color:var(--text);font:inherit;cursor:pointer;border-radius:999px;padding:6px 14px;font-weight:600}.meeting-steps{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;display:grid}.meeting-steps .chip{text-overflow:ellipsis;white-space:nowrap;text-align:left;overflow:hidden}.meeting-steps .chip .mono{color:var(--muted);margin-right:4px}.chip--on{border-color:var(--primary);background:var(--primary-soft);color:var(--primary)}.chip:focus-visible{box-shadow:var(--focus-ring);outline:none}.tiles{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}.tile{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-2);min-height:64px;color:var(--text);font:inherit;text-align:center;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:8px 4px;font-size:.9rem;font-weight:600;line-height:1.2;transition:background-color .15s,border-color .15s,transform .1s;display:flex}.tile:active:not(:disabled){transform:scale(.97)}.tile:focus-visible{box-shadow:var(--focus-ring);outline:none}.tile:disabled{opacity:.45;cursor:default}.tile .icon{color:var(--primary)}.tile--bad .icon{color:var(--bad)}.tile--ok .icon{color:var(--warn)}.tile--good .icon{color:var(--ok)}.tile--bad.tile--on{border-color:var(--bad);background:var(--bad-bg);color:var(--bad)}.tile--ok.tile--on{border-color:var(--warn);background:var(--warn-bg);color:var(--warn)}.tile--good.tile--on{border-color:var(--ok);background:var(--ok-bg);color:var(--ok)}.auto-check-open{text-align:left;align-self:flex-start;align-items:center;gap:6px;display:inline-flex}.auto-check-open .icon{flex:none}.auto-check{border-top:1px solid var(--border);padding-top:8px}.syllables{white-space:pre-wrap;overflow-wrap:anywhere;font-size:1.25rem;font-weight:600;line-height:1.75}.syl--ok{color:var(--ok)}.syl--miss{color:var(--bad);opacity:.75;text-underline-offset:4px;-webkit-text-decoration:underline dotted;text-decoration:underline dotted;text-decoration-thickness:2px}.legend .syl{font-weight:600}.pron{color:var(--primary);letter-spacing:.02em;font-size:1.1rem}.card-head{justify-content:space-between;align-items:flex-start;gap:8px;display:flex}.card-head>.speed-chip{flex:none;margin:-6px -6px -6px 0}.card-tools{justify-content:space-between;align-items:center;gap:8px;display:flex}.notes-toggle{align-items:center;gap:6px;min-height:44px;font-weight:600;display:inline-flex}.notes-list{margin:0;padding-left:20px}.guide>ul{margin:0;padding:0 14px 14px 32px}.drill-line .part-slot,.drill-line .part-josa{padding:0 1px}.frame{font-size:1.15rem;font-weight:600;line-height:1.9}.frame-slot,.part-slot{background:var(--primary-soft);color:var(--primary);border-radius:6px;padding:1px 6px}.frame-josa,.part-josa{background:var(--warn-bg);color:var(--warn);border-radius:6px;padding:1px 4px}.cue{border-radius:var(--radius-md);background:var(--surface-2);padding:12px 14px}.cue-vi{font-size:1.1rem;font-weight:700}.cue .badge{margin-right:6px}.countdown{border-radius:var(--radius-sm);background:var(--surface-2);align-items:center;min-height:36px;padding:0 12px;font-weight:700;display:flex;position:relative;overflow:hidden}.countdown span{position:relative}.countdown-bar{background:var(--primary-soft);transition:width .2s linear;position:absolute;inset:0 auto 0 0}.countdown--low{color:var(--bad)}.countdown--low .countdown-bar{background:var(--bad-bg)}.survival-card{flex-direction:row;align-items:center;gap:14px}.survival-card .card-icon{flex:none;margin:0}.today-card{border-color:color-mix(in srgb, var(--primary) 45%, var(--border))}.today-card .btn{justify-content:center;align-items:center;gap:8px;display:inline-flex}.week-dots{text-align:center;grid-template-columns:repeat(7,1fr);gap:4px;margin:0;padding:0;list-style:none;display:grid}.week-dot{flex-direction:column;align-items:center;gap:4px;display:flex}.week-dot-label{color:var(--muted);font-size:.78rem}.week-dot-mark{background:var(--surface-2);width:30px;height:30px;color:var(--primary-text);border-radius:50%;place-items:center;display:grid}.week-dot--on .week-dot-mark{background:var(--primary)}.week-dot--today .week-dot-label{color:var(--text);font-weight:700}.week-dot--today .week-dot-mark{box-shadow:0 0 0 2px var(--surface), 0 0 0 4px var(--primary)}.week-dot--future .week-dot-mark{opacity:.5}.eyebrow{letter-spacing:.08em;text-transform:uppercase;color:var(--primary);font-size:.75rem;font-weight:700}.word-ko{font-size:1.6rem;line-height:1.2}.word-card p{margin:0}.word-slide{min-height:15rem;animation:.25s ease-out 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.bar-fill{display:block}.skill-count{text-align:right;font-variant-numeric:tabular-nums;min-width:3.5em}@media (prefers-reduced-motion:reduce){.ring-fill{transition:none}}.survival-card .card-icon{background:var(--bad-bg);color:var(--accent-red)}.daily-nav{justify-content:space-between}.daily-nav>.btn{flex:1 1 0}.check{align-items:center;gap:10px;min-height:44px;display:flex}.check input{width:22px;height:22px;accent-color:var(--primary)}.flashcard--speak{min-height:200px}.flashcard-label{letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-size:.8rem;font-weight:700}.flashcard-word--vi{text-align:center;font-size:1.6rem;line-height:1.3}.syllable-hint{letter-spacing:.2em;color:var(--primary);font-size:1.6rem;font-weight:700}.example-details>summary{min-height:44px;color:var(--primary);cursor:pointer;justify-content:center;align-items:center;font-weight:700;display:flex}.speak-actions{border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);justify-content:space-between;align-items:center;gap:12px;padding:12px;display:flex}.speak-actions>.btn{flex:none}.record-control--compact{gap:12px;min-width:0}.record-btn--compact{width:56px;height:56px}.type-badge{vertical-align:middle;margin-left:8px}.part-target{border-left:4px solid var(--primary);border-radius:var(--radius-sm);background:var(--primary-soft);padding:10px 14px;font-size:1.3rem;font-weight:700;line-height:1.6}.sp-toolbar{justify-content:space-between;align-items:center;gap:8px;display:flex}.segmented--small{flex:0 auto;min-width:0}.segmented--small button{flex:none;min-width:44px;min-height:36px;padding:0 12px}.listen-player .speed-chip{align-self:flex-start}.speed-chip{font-variant-numeric:tabular-nums;align-items:center;gap:6px;min-height:44px;display:inline-flex}.sp-controls{grid-template-columns:1fr auto 1fr;place-items:start center;gap:8px;padding:6px 0 2px;display:grid}.sp-main{flex-direction:column;align-items:center;gap:6px;display:flex}.sp-label{font-variant-numeric:tabular-nums;font-size:.85rem;font-weight:700}.sp-side{min-width:72px;color:var(--text);font:inherit;cursor:pointer;background:0 0;border:0;flex-direction:column;align-items:center;gap:6px;padding:0 4px;font-size:.85rem;font-weight:700;display:flex}.sp-side:disabled{opacity:.45;cursor:default}.sp-side:focus-visible{outline:none}.sp-side:focus-visible .sp-side-icon{box-shadow:var(--focus-ring)}.sp-side-icon{border:1px solid var(--border);background:var(--primary-soft);width:58px;height:58px;color:var(--primary);border-radius:50%;place-items:center;margin:7px 0;transition:transform .1s;display:grid}.sp-side:active:not(:disabled) .sp-side-icon{transform:scale(.94)}.sp-status{text-align:center;justify-content:center;min-height:36px;display:flex}.sp-phase{color:var(--primary);font-weight:700}.tiles--2{grid-template-columns:repeat(2,minmax(0,1fr))}.icon-link{align-self:flex-start;align-items:center;gap:6px;display:inline-flex}.listen-player{align-items:center;gap:16px;display:flex}.listen-play{background:var(--primary);width:72px;height:72px;color:var(--primary-text);box-shadow:var(--shadow);cursor:pointer;border:0;border-radius:50%;flex:none;place-items:center;transition:transform .1s;display:grid}.listen-play:active{transform:scale(.94)}.listen-play:focus-visible{box-shadow:var(--focus-ring);outline:none}.choice--ok,.choice--ok:disabled{border-color:var(--ok);background:var(--ok-bg);color:var(--ok);opacity:1}.choice--bad,.choice--bad:disabled{border-color:var(--bad);background:var(--bad-bg);color:var(--bad);opacity:1}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.weak-cta{flex-direction:row;align-items:center;gap:14px}.weak-cta .card-icon{background:var(--warn-bg);color:var(--warn);flex:none;margin:0}.weak-list{gap:8px}.weak-item{text-align:left;width:100%;min-height:56px;font:inherit;color:inherit;cursor:pointer;align-items:center;gap:10px;padding:12px 14px;display:flex}.weak-ko{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:1.05rem;overflow:hidden}.week-chart{flex-direction:column;gap:8px;margin:0;display:flex}.week-bars{grid-template-columns:repeat(7,minmax(0,1fr));gap:2px;height:140px;display:grid}.week-col{flex-direction:column;align-items:center;min-width:0;display:flex}.week-value{min-height:1.2em;color:var(--text);font-variant-numeric:tabular-nums;font-size:.75rem;font-weight:700}.week-track{border-bottom:1px solid 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h2{font-size:1.05rem}.welcome-options{flex-direction:column;gap:10px;display:flex}.welcome-option{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);min-height:64px;color:var(--text);font:inherit;text-align:left;cursor:pointer;flex-direction:column;align-items:flex-start;gap:4px;padding:14px 16px;display:flex}.welcome-option strong{font-size:1.05rem}.welcome-option--on{border-color:var(--primary);background:var(--primary-soft)}.welcome-option:focus-visible{box-shadow:var(--focus-ring);outline:none}.welcome-option:active{transform:scale(.99)}.suggest-card,.install-hint{flex-direction:row;align-items:center;gap:14px;display:flex}.install-hint{align-items:flex-start}.suggest-card .card-icon,.install-hint .card-icon{flex:none;margin:0}.home-footer{flex-wrap:wrap;justify-content:center;gap:0 16px;display:flex}.about-list{flex-direction:column;gap:8px;margin:0;padding-left:1.2em;display:flex}.chips.chips--scroll{flex-wrap:nowrap}.chips--scroll 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var(--border);border-radius:var(--radius-md);background:var(--surface);width:100%;min-height:52px;color:var(--text);font:inherit;padding:12px 14px;font-size:1.15rem}.typing-input:focus{border-color:var(--primary);box-shadow:var(--focus-ring);outline:none}.typing-input--done{border-color:var(--ok)}.typing-card .link-btn{white-space:nowrap}.kbd{-webkit-user-select:none;user-select:none;flex-direction:column;gap:4px;display:flex}.kbd-row{justify-content:center;gap:4px;display:flex}.kbd-key{aspect-ratio:1/1.1;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-2);flex:0 9.4%;place-items:center;max-width:52px;font-size:1rem;display:grid;position:relative}.kbd-key--wide{aspect-ratio:auto;max-width:76px;color:var(--muted);flex-basis:14%;font-size:.7rem;font-weight:600}.kbd-jamo{font-weight:700}.kbd-latin,.kbd-shift{color:var(--muted);font-size:.6rem;line-height:1;position:absolute}.kbd-latin{font-family:var(--font-mono);text-transform:uppercase;bottom:3px;right:4px}.kbd-shift{top:3px;left:4px}.kbd-key--teach{border-color:color-mix(in srgb, var(--tone-amber) 45%, var(--border));background:var(--tone-amber-bg)}.kbd-key--next{border-color:var(--primary);background:var(--primary);color:var(--primary-text)}.kbd-key--next .kbd-latin,.kbd-key--next .kbd-shift{color:inherit;opacity:.85}.share-preview{border:1px solid var(--border);border-radius:var(--radius-md);width:100%;max-width:420px}.typing-setup summary{cursor:pointer;align-items:center;min-height:44px;font-weight:600;display:flex}.typing-setup ul{color:var(--muted);flex-direction:column;gap:6px;margin:8px 0 0;padding-left:18px;font-size:.9rem;display:flex}.stats.stats--3{grid-template-columns:repeat(3,1fr)}@media (width>=640px){.grid.grid--wide-3{grid-template-columns:repeat(3,1fr)}}@media (width>=1024px){.app{padding-left:232px}.topbar{z-index:11;margin-left:-232px}.bottom-nav{width:232px;height:auto;padding:calc(64px + env(safe-area-inset-top)) 12px 16px;border-top:0;border-right:1px solid var(--border);flex-direction:column;gap:4px;position:absolute;top:0;bottom:0;left:0}.nav-item{border-radius:var(--radius-md);flex-direction:row;flex:none;justify-content:flex-start;gap:10px;min-height:48px;padding:0 8px;font-size:.95rem}.nav-item.active{background:var(--primary-soft)}.nav-item.active .nav-icon:before{width:3px;height:18px;margin:-9px 0 0;top:50%;left:-8px}.nav-icon{width:32px}.main-inner{max-width:800px;padding-top:28px}.main-inner--wide{max-width:1080px}.list--cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.list--cards>li{display:flex}.list--cards>li>*{flex:1}}@media (width>=1180px){.home-layout{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:start;gap:20px;display:grid}.home-layout .grid.grid--wide-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=768px){.chips.chips--scroll{flex-wrap:wrap;overflow-x:visible}}.path-preview{flex-direction:column;gap:6px;margin:0;padding:0;font-size:.9rem;font-weight:600;list-style:none;display:flex}.path-preview li{align-items:center;gap:10px;display:flex}.path-week-no{background:var(--primary-soft);width:26px;height:26px;color:var(--primary);border-radius:999px;flex:none;place-items:center;font-size:.8rem;font-weight:800;display:grid}.path-tabs button{font-size:.85rem}.path-steps{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.path-step{border-radius:var(--radius-sm);min-height:52px;color:var(--text);align-items:center;gap:12px;padding:6px 4px;text-decoration:none;display:flex}.path-step:active{background:var(--surface-2)}.path-step .card-icon{border-radius:10px;flex:none;width:36px;height:36px;margin:0}.path-step-body{flex-direction:column;flex:1;gap:6px;min-width:0;display:flex}.path-step-label{font-size:.9rem;font-weight:600;line-height:1.3}.path-step-body .bar{height:6px;display:block}.path-step-body .bar-fill{display:block}.path-step--done .path-step-label{color:var(--muted)}.path-step-count{text-align:right;flex:none;min-width:36px}.status-panel{border-left:4px solid var(--primary)}.status-panel--empty{border-left-color:var(--border)}.status-ko{letter-spacing:-.04em;font-size:1.5rem;font-weight:900;line-height:1.2}.status-panel--empty 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li:last-child{border-left-color:var(--primary)}.grammar-level-label{font-family:var(--font-mono);color:var(--muted);font-size:.75rem}.grammar-examples{gap:12px}.grammar-wrong{color:var(--bad);font-size:1.05rem;text-decoration:line-through}.grammar-right{color:var(--ok)}a.grammar-title{align-self:flex-start;text-decoration:none}.episode-card{text-align:left;width:100%;font:inherit;cursor:pointer;flex-direction:row;align-items:center;gap:14px}.episode-card.active{border-color:var(--primary)}.episode-seek{width:100%;min-height:44px;accent-color:var(--primary)}.episode-controls{justify-content:center;align-items:center;gap:24px;display:flex}.episode-play{background:var(--primary);width:64px;height:64px;color:var(--primary-text);cursor:pointer;border:0;border-radius:999px;place-items:center;display:grid}.episode-play:disabled{opacity:.5;cursor:default}.episode-play:focus-visible,.episode-line:focus-visible{box-shadow:var(--focus-ring);outline:none}.episode-lines{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.episode-line{border-radius:var(--radius-sm);width:100%;min-height:44px;color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 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