@font-face{font-family:Onest;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/onest-latin-400-normal-9AYXx_QC.woff2) format("woff2"),url(/assets/onest-latin-400-normal-RaMPE1jb.woff) format("woff")}@font-face{font-family:Onest;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/onest-cyrillic-400-normal-BTdD9fLi.woff2) format("woff2"),url(/assets/onest-cyrillic-400-normal-BQq8x-Ju.woff) format("woff")}@font-face{font-family:Onest;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/onest-latin-500-normal-2-RsuwM3.woff2) format("woff2"),url(/assets/onest-latin-500-normal-CVP923du.woff) format("woff")}@font-face{font-family:Onest;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/onest-cyrillic-500-normal-CJRUgmys.woff2) format("woff2"),url(/assets/onest-cyrillic-500-normal-BMFE-GJD.woff) format("woff")}@font-face{font-family:Onest;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/onest-latin-700-normal-DMkYZIUB.woff2) format("woff2"),url(/assets/onest-latin-700-normal-HOulLaZS.woff) format("woff")}@font-face{font-family:Onest;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/onest-cyrillic-700-normal-3rOSeAdn.woff2) format("woff2"),url(/assets/onest-cyrillic-700-normal-BYHfPO1G.woff) format("woff")}@font-face{font-family:Unbounded;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/unbounded-latin-600-normal-oRSANpZr.woff2) format("woff2"),url(/assets/unbounded-latin-600-normal-BPdB_PEv.woff) format("woff")}@font-face{font-family:Unbounded;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/unbounded-cyrillic-600-normal-DW6uzIMB.woff2) format("woff2"),url(/assets/unbounded-cyrillic-600-normal-B-s5c2Kn.woff) format("woff")}@font-face{font-family:Unbounded;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/unbounded-latin-800-normal-CN2Hxyoo.woff2) format("woff2"),url(/assets/unbounded-latin-800-normal-Cjred_zf.woff) format("woff")}@font-face{font-family:Unbounded;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/unbounded-cyrillic-800-normal--HlTIRd4.woff2) format("woff2"),url(/assets/unbounded-cyrillic-800-normal-DbsDaRyD.woff) format("woff")}:root{--bg: #EEF2EF;--grid: rgba(31, 111, 139, .07);--surface: #FFFFFF;--surface-2: #E2EAE6;--ink: #10283A;--muted: #566A77;--line: #C9D6D1;--sea: #1F6F8B;--sea-ink: #FFFFFF;--sea-deep: #15546A;--land: #2E9E5B;--land-soft: #D7F0E0;--signal: #FFB020;--signal-soft: #FFF1D1;--almost: #6B58D3;--almost-soft: #ECE8FF;--dad-bg: #F6E9CF;--dad-ink: #4A3412;--dad-accent: #A86A12;--ai-bg: #E3F1F5;--ai-ink: #10283A;--fog: #B9C7C2;--f-display: "Unbounded", "Onest", system-ui, sans-serif;--f-text: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--r-lg: 22px;--r-md: 16px;--r-sm: 12px;--ledge: 0 4px 0 0;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--bg: #0D1B24;--grid: rgba(79, 179, 207, .06);--surface: #142834;--surface-2: #1B3442;--ink: #E4EEF0;--muted: #8FA5AF;--line: #27485A;--sea: #4FB3CF;--sea-ink: #072029;--sea-deep: #2E8BA6;--land: #4CC97E;--land-soft: #173A2A;--signal: #FFC24A;--signal-soft: #3A2F14;--almost: #A898FF;--almost-soft: #262145;--dad-bg: #2E2616;--dad-ink: #F1E3C4;--dad-accent: #E0A84A;--ai-bg: #183846;--ai-ink: #E4EEF0;--fog: #2E4A57;color-scheme:dark}}:root[data-theme=dark]{--bg: #0D1B24;--grid: rgba(79, 179, 207, .06);--surface: #142834;--surface-2: #1B3442;--ink: #E4EEF0;--muted: #8FA5AF;--line: #27485A;--sea: #4FB3CF;--sea-ink: #072029;--sea-deep: #2E8BA6;--land: #4CC97E;--land-soft: #173A2A;--signal: #FFC24A;--signal-soft: #3A2F14;--almost: #A898FF;--almost-soft: #262145;--dad-bg: #2E2616;--dad-ink: #F1E3C4;--dad-accent: #E0A84A;--ai-bg: #183846;--ai-ink: #E4EEF0;--fog: #2E4A57;color-scheme:dark}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background-color:var(--bg);background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px;color:var(--ink);font-family:var(--f-text);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}@media (min-width: 420px){body{font-size:18px}}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default}:focus-visible{outline:3px solid var(--signal);outline-offset:2px}p{margin:0 0 .6em}code{font-size:.9em;background:var(--surface-2);padding:0 .3em;border-radius:6px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.muted{color:var(--muted)}.small{font-size:.86em}.center-text{text-align:center}.ok-text{color:var(--land);font-weight:500}.screen{max-width:560px;margin:0 auto;padding:max(12px,env(safe-area-inset-top)) 16px calc(112px + env(safe-area-inset-bottom));min-height:100dvh}.center-screen{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:8px}.h-display{font-family:var(--f-display);font-weight:800;font-size:1.75rem;line-height:1.15;letter-spacing:-.01em;margin:.3em 0 .35em}.h-section{font-family:var(--f-display);font-weight:600;font-size:1.05rem;margin:0 0 .5em}.lead{font-size:1.06em;color:var(--muted);max-width:34em}.step-kicker{font-family:var(--f-display);font-weight:600;font-size:.95rem;color:var(--sea);margin:0 0 .7em}.topbar{display:flex;align-items:center;gap:8px;min-height:56px;margin-bottom:8px}.topbar-title{flex:1;font-family:var(--f-display);font-weight:600;font-size:1.1rem;margin:0}.topbar-right{margin-left:auto}.icon-btn{width:48px;height:48px;flex:none;display:grid;place-items:center;border:0;border-radius:14px;background:transparent;color:var(--ink)}.icon-btn:hover{background:var(--surface-2)}.icon-btn-spacer{width:48px;flex:none}.btn{min-height:52px;padding:12px 20px;border-radius:var(--r-md);border:0;font-weight:700;font-size:1em;line-height:1.2;transition:transform .08s ease,box-shadow .08s ease,background-color .15s}.btn:active:not(:disabled){transform:translateY(3px)}.btn-primary{background:var(--sea);color:var(--sea-ink);box-shadow:var(--ledge) var(--sea-deep)}.btn-primary:active:not(:disabled){box-shadow:0 1px 0 0 var(--sea-deep)}.btn-primary:disabled{background:var(--surface-2);color:var(--muted);box-shadow:var(--ledge) var(--line)}.btn-quiet{background:var(--surface);color:var(--ink);border:2px solid var(--line);box-shadow:0 3px 0 0 var(--line)}.btn-quiet:disabled{opacity:.55}.btn-hint{background:var(--almost-soft);color:var(--almost);border:2px solid transparent;box-shadow:0 3px color-mix(in srgb,var(--almost) 35%,transparent)}.btn-hint:disabled{opacity:.55}.btn-hint.pulse{border-color:var(--almost);animation:nudge 1.4s ease 2}.btn-block{display:block;width:100%;margin-top:12px}.btn-mini{min-height:40px;padding:6px 14px;border-radius:999px;border:2px solid var(--line);background:var(--surface);font-weight:600;font-size:.88em}.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.btn-row .btn{flex:1 1 auto}.grow{flex:1}.text-link{display:block;margin:20px auto 0;background:none;border:0;color:var(--sea);font-weight:600;text-decoration:underline;text-underline-offset:4px;min-height:48px}.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:10;display:flex;gap:10px;padding:12px 16px calc(14px + env(safe-area-inset-bottom));max-width:560px;margin:0 auto;background:linear-gradient(to top,var(--bg) 70%,transparent)}.chip{min-height:48px;padding:8px 16px;border-radius:999px;border:2px solid var(--line);background:var(--surface);font-weight:500;white-space:nowrap;flex:none}.chip.on{background:var(--ink);border-color:var(--ink);color:var(--bg)}.chip-lg{min-height:52px;padding:10px 20px}.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 0 8px;scrollbar-width:none}.chips-wrap{flex-wrap:wrap;overflow:visible}.text-input,.select{width:100%;min-height:52px;padding:12px 14px;border-radius:var(--r-sm);border:2px solid var(--line);background:var(--surface)}.text-input:focus,.select:focus{outline:none;border-color:var(--sea)}.text-input.big{font-size:1.2em;font-weight:600;margin:8px 0}.textarea{resize:vertical;min-height:96px;margin-bottom:10px}.form-label{display:block;font-weight:600;margin:16px 0 6px}.num-input{max-width:160px;font-family:var(--f-display);font-weight:600}.card{background:var(--surface);border-radius:var(--r-md);padding:16px;margin:14px 0;border:1px solid var(--line)}.error-box{text-align:center}.note-almost{color:var(--almost);font-weight:500;margin-top:10px}.loading{display:flex;gap:8px;justify-content:center;padding:32px 0}.ai-body .loading{padding:6px 0;justify-content:flex-start}.loading-dot{width:10px;height:10px;border-radius:50%;background:var(--sea);animation:blink 1s infinite ease-in-out}.loading-dot:nth-child(2){animation-delay:.15s}.loading-dot:nth-child(3){animation-delay:.3s}.ob-top{display:flex;align-items:center;gap:8px;min-height:56px}.steps{flex:1;display:flex;gap:6px}.steps span{flex:1;height:6px;border-radius:3px;background:var(--surface-2)}.steps span.on{background:var(--sea)}.ob-step{padding-top:8px;animation:rise .25s ease}.avatar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}.avatar-opt{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 4px;border-radius:var(--r-md);border:3px solid transparent;background:var(--surface);font-weight:500;font-size:.9em}.avatar-opt.on{border-color:var(--signal)}.theme-pick{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.theme-opt{display:flex;flex-direction:column;gap:10px;padding:14px;border-radius:var(--r-md);border:3px solid var(--line);font-weight:700;text-align:left}.theme-opt.on{border-color:var(--signal)}.theme-opt-light{background:#eef2ef;color:#10283a}.theme-opt-dark{background:#0d1b24;color:#e4eef0}.theme-swatch{display:flex;gap:6px}.theme-swatch i{width:26px;height:26px;border-radius:8px}.theme-opt-light .theme-swatch i:nth-child(1){background:#1f6f8b}.theme-opt-light .theme-swatch i:nth-child(2){background:#2e9e5b}.theme-opt-light .theme-swatch i:nth-child(3){background:#ffb020}.theme-opt-dark .theme-swatch i:nth-child(1){background:#4fb3cf}.theme-opt-dark .theme-swatch i:nth-child(2){background:#4cc97e}.theme-opt-dark .theme-swatch i:nth-child(3){background:#ffc24a}.dadsees{display:grid;gap:12px;margin:12px 0}.dadsees-col{background:var(--surface);border-radius:var(--r-md);padding:14px 16px;border:1px solid var(--line)}.dadsees-col.alert{background:var(--signal-soft);border-color:transparent}.dadsees-h{margin:0 0 6px;font-family:var(--f-display);font-weight:600;font-size:1rem}.dadsees-h.yes{color:var(--land)}.dadsees-h.no{color:var(--muted)}.dadsees-list{margin:0;padding-left:1.1em}.dadsees-list li{margin:4px 0}.home-head{display:flex;align-items:center;gap:12px;min-height:56px}.home-hello{flex:1;line-height:1.25}.home-name{font-weight:700}.home-title{font-size:2.3rem;margin:18px 0 10px}.week-block{display:flex;align-items:center;gap:14px;margin:6px 0 18px}.week{display:flex;gap:8px}.week-dot{width:34px;height:34px;border-radius:50%;border:3px solid var(--line);display:grid;place-items:center;color:var(--ink);background:var(--surface)}.week-dot.on{background:var(--signal);border-color:var(--signal);animation:pop .35s ease backwards}.week-dot svg{width:20px;height:20px}.week-text{margin:0;color:var(--muted);font-size:.92em;line-height:1.3}.dad-card{background:var(--dad-bg);color:var(--dad-ink);border-radius:4px var(--r-md) var(--r-md) var(--r-md);padding:14px 16px 12px;margin:0 0 20px;border-left:5px solid var(--dad-accent)}.dad-from{display:flex;align-items:center;gap:6px;font-weight:700;color:var(--dad-accent);font-size:.9em;margin-bottom:4px}.dad-date{margin-left:auto;font-weight:400;opacity:.8}.dad-text{margin:0;font-size:1.05em}.start-tiles{display:grid;grid-template-columns:1fr 1fr;gap:12px}.start-tile{position:relative;display:flex;flex-direction:column;align-items:flex-start;text-align:left;min-height:170px;padding:18px 16px 16px;border:0;border-radius:var(--r-lg);transition:transform .08s ease,box-shadow .08s ease}.start-tile.quick{background:var(--signal);color:#2b1d00;box-shadow:0 6px color-mix(in srgb,var(--signal) 60%,#000)}.start-tile.full{background:var(--sea);color:var(--sea-ink);box-shadow:0 6px 0 0 var(--sea-deep)}.start-tile:active:not(:disabled){transform:translateY(5px);box-shadow:0 1px 0 0 var(--sea-deep)}.start-tile:disabled{opacity:.7}.start-min{font-family:var(--f-display);font-weight:800;font-size:2.6rem;line-height:1;letter-spacing:-.03em}.start-min small{font-size:.38em;font-weight:600;margin-left:4px;letter-spacing:0}.start-name{margin-top:auto;font-family:var(--f-display);font-weight:600;font-size:1.1rem}.start-sub{font-size:.85em;opacity:.85}.mascot-line{display:flex;align-items:center;gap:10px;margin:18px 0 0;color:var(--muted);font-size:.95em}.mascot-mark{width:14px;height:14px;flex:none;background:var(--sea);transform:rotate(45deg);border-radius:3px}.row-link{display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;text-align:left;margin:20px 0 0;padding:14px 16px;min-height:56px;border-radius:var(--r-md);border:2px solid var(--line);background:var(--surface)}.row-kicker{font-size:.82em;color:var(--muted)}.row-title{font-family:var(--f-display);font-weight:600;font-size:1.05rem}.row-sub{color:var(--sea);font-weight:600;font-size:.92em}.tools{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}.tool{display:flex;flex-direction:column;align-items:flex-start;gap:10px;padding:14px 12px;min-height:104px;border-radius:var(--r-md);border:0;background:var(--surface-2);font-weight:600;font-size:.9em;text-align:left;line-height:1.2}.tool svg{width:30px;height:30px;color:var(--ink)}.archipelago{margin:8px 0 28px}.arch-title{font-family:var(--f-display);font-weight:600;font-size:1.15rem;margin:0 0 6px;display:flex;flex-direction:column}.arch-num{font-family:var(--f-text);font-weight:500;font-size:.78rem;color:var(--muted)}.arch-route{position:relative;padding:4px 0;background-image:radial-gradient(circle,var(--sea) 1.6px,transparent 2px);background-size:12px 12px;background-repeat:repeat-y;background-position:50% 0}.arch-route:before{content:""}.island-row{position:relative;display:flex;align-items:center;gap:12px;padding:10px 0}.island-row.right{flex-direction:row-reverse;text-align:right}.island{position:relative;width:132px;height:106px;flex:none;border:0;background:transparent;padding:0}.island-svg{width:100%;height:100%;overflow:visible}.island-shore{fill:var(--sea);opacity:.25}.island.st-mastered .island-land{fill:var(--land)}.island.st-learning .island-land{fill:var(--land-soft);stroke:var(--land);stroke-width:3}.island.st-new .island-land{fill:var(--surface);stroke:var(--fog);stroke-width:3;stroke-dasharray:6 6}.island.st-new .island-shore{opacity:.08}.island.open .island-land{stroke:var(--signal);stroke-width:4;stroke-dasharray:none}.island-num{position:absolute;left:50%;top:64%;transform:translate(-50%,-50%);font-family:var(--f-display);font-weight:800;font-size:1.05rem;color:var(--ink)}.island.st-mastered .island-num{color:#fff}.island-flag{animation:wave 2.4s ease-in-out infinite;transform-origin:52px 40px}.island-info{flex:1;min-width:0;background:var(--bg);padding:4px 6px;border-radius:10px}.island-title{font-weight:700;line-height:1.25}.island-status{font-size:.85em;font-weight:600}.island-status.st-mastered{color:var(--land)}.island-status.st-learning{color:var(--sea)}.island-status.st-new{color:var(--muted)}.island-left{font-size:.85em;color:var(--muted);margin-top:2px}.island-detail{background:var(--surface);border-radius:var(--r-md);padding:14px 16px;margin:0 0 8px;border:2px solid var(--signal);animation:rise .2s ease;position:relative}.skill-list{list-style:none;margin:0;padding:0}.skill{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}.skill:last-child{border-bottom:0}.skill-dots{display:inline-flex;gap:4px;flex:none}.skill-dots i{width:12px;height:12px;border-radius:50%;background:var(--surface-2);border:2px solid var(--line)}.skill-dots i.on{background:var(--land);border-color:var(--land)}.map-rule{padding:0 4px}.lesson-progress{display:flex;gap:4px;margin:0 0 18px}.lesson-progress span{flex:1;height:6px;border-radius:3px;background:var(--surface-2)}.lesson-progress span.done{background:var(--sea)}.lesson-progress span.now{background:var(--signal)}.lesson-step{animation:rise .25s ease}.lesson-step.center{text-align:center;padding-top:24px}.lesson-big{font-size:1.2em;line-height:1.45}.rule{margin:0;padding:18px 18px 14px;background:var(--surface);border-radius:var(--r-md);border:2px solid var(--ink);box-shadow:6px 6px 0 0 var(--signal);font-size:1.12em}.rule footer{margin-top:8px;font-size:.78em;color:var(--muted)}.reveal-list{margin:14px 0 0;padding-left:1.3em}.reveal-list li{margin:8px 0}.reveal-item{animation:rise .25s ease}.example-answer{margin-top:14px;padding:10px 14px;border-radius:var(--r-sm);background:var(--land-soft);font-weight:600}.problem-text{font-size:1.1em}.problem-text.big{font-size:1.22em;line-height:1.45;margin:4px 0 18px}.visual{margin:0 0 8px;padding:16px;background:var(--surface);border-radius:var(--r-md);border:1px solid var(--line);text-align:center}.visual figcaption{margin-top:10px;color:var(--muted);font-size:.95em}.visual-svg{width:100%;max-width:360px;height:auto;display:block;margin:0 auto}.visual-square{max-width:240px}.v-fill{fill:var(--sea)}.v-empty{fill:var(--surface-2)}.grid-anim .v-fill{animation:cell .25s ease backwards}.v-text{fill:var(--ink);font-family:var(--f-text);font-size:14px;font-weight:600}.v-small{font-size:12px}.v-big{font-family:var(--f-display);font-size:18px}.visual-table-wrap{overflow-x:auto}.visual-table{border-collapse:collapse;margin:0 auto}.visual-table th,.visual-table td{border:2px solid var(--line);padding:8px 14px;text-align:center}.visual-table th{background:var(--surface-2)}@media (max-width: 420px){.visual-table th,.visual-table td{padding:6px 8px}}.sheet-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#050e1480;z-index:30;display:flex;align-items:flex-end;justify-content:center;animation:fade .15s ease}.sheet{width:100%;max-width:560px;max-height:85dvh;overflow-y:auto;background:var(--bg);border-radius:24px 24px 0 0;padding:10px 16px calc(20px + env(safe-area-inset-bottom));animation:up .22s ease}.sheet-grip{width:44px;height:5px;border-radius:3px;background:var(--line);margin:0 auto 10px}.sheet-title{font-family:var(--f-display);font-weight:600;font-size:1.15rem;margin:4px 0 8px}.practice-top{display:flex;align-items:center;gap:10px;min-height:56px}.session-bar{flex:1;display:flex;gap:4px}.session-bar span{flex:1;height:10px;border-radius:5px;background:var(--surface-2)}.session-bar span.done{background:var(--land)}.session-bar span.now{background:var(--signal)}.session-count{font-family:var(--f-display);font-weight:600;font-size:.9rem;color:var(--muted);min-width:36px;text-align:right}.problem-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:10px 0 6px}.tag{font-size:.8em;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--surface-2)}.tag-book{background:var(--ink);color:var(--bg);font-family:var(--f-display);font-weight:600}.tag-review{background:var(--signal-soft);color:var(--dad-accent)}.problem-skill{font-size:.85em;color:var(--muted)}.fields{display:grid;gap:12px;margin-bottom:12px}.answer-row{display:flex;align-items:center;gap:10px}.field-label{font-family:var(--f-display);font-weight:600;min-width:1.8em}.answer-input{flex:1;min-width:0;min-height:60px;padding:10px 16px;border-radius:var(--r-md);border:3px solid var(--line);background:var(--surface);font-family:var(--f-display);font-weight:600;font-size:1.35rem;letter-spacing:.01em;transition:border-color .15s,background-color .15s}.answer-input::placeholder{color:var(--fog);font-weight:400}.answer-input:focus{outline:none;border-color:var(--sea)}.is-correct .answer-input,.is-correct .frac-stack input,.is-correct .frac-whole{border-color:var(--land);background:var(--land-soft);animation:pop .3s ease}.is-wrong .answer-input,.is-wrong .frac-stack input,.is-wrong .frac-whole{border-color:var(--almost);background:var(--almost-soft);animation:shake .32s ease}.is-wrong_form .answer-input,.is-wrong_form .frac-stack input{border-color:var(--signal);background:var(--signal-soft)}.frac-toggle{width:52px;height:52px;flex:none;border-radius:var(--r-sm);border:2px solid var(--line);background:var(--surface);font-weight:700}.frac-toggle.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}.frac-icon{display:inline-flex;flex-direction:column;align-items:center;font-family:var(--f-display);font-size:.78rem;line-height:1}.frac-icon span:first-child{border-bottom:2px solid currentColor;padding:0 3px 2px;margin-bottom:2px}.frac-editor{flex:1;display:flex;align-items:center;gap:10px}.frac-whole{width:64px;min-height:64px;text-align:center;border-radius:var(--r-sm);border:3px solid var(--line);background:var(--surface);font-family:var(--f-display);font-weight:600;font-size:1.4rem}.frac-stack{display:flex;flex-direction:column;align-items:center;gap:4px}.frac-stack input{width:84px;min-height:48px;text-align:center;border-radius:var(--r-sm);border:3px solid var(--line);background:var(--surface);font-family:var(--f-display);font-weight:600;font-size:1.2rem}.frac-stack input:focus,.frac-whole:focus{outline:none;border-color:var(--sea)}.frac-bar{width:96px;height:3px;border-radius:2px;background:var(--ink)}.frac-addwhole{border:0;background:none;color:var(--sea);font-weight:600;min-height:48px}.form-note{margin:-2px 0 0;color:var(--muted);font-size:.88em}.choice-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.choice-row.is-correct .chip.on{background:var(--land);border-color:var(--land)}.choice-row.is-wrong .chip.on{background:var(--almost);border-color:var(--almost)}.verdict{margin:14px 0;padding:14px 16px;border-radius:var(--r-md);animation:rise .2s ease}.verdict strong{display:block;font-family:var(--f-display);font-weight:600;font-size:1.12rem;margin-bottom:4px}.verdict p{margin:4px 0 0}.v-correct{background:var(--land-soft)}.v-correct strong{color:var(--land)}.v-almost{background:var(--almost-soft)}.v-almost strong{color:var(--almost)}.v-form{background:var(--signal-soft)}.v-form strong{color:var(--dad-accent)}.misc-hint{margin-top:10px;padding-top:10px;border-top:1px dashed color-mix(in srgb,var(--almost) 40%,transparent)}.skill-progress{display:flex;align-items:center;gap:10px;margin-top:10px;font-weight:600;font-size:.92em}.skill-progress.mastered{color:var(--land)}.skill-progress.mastered .skill-dots i.on{background:var(--signal);border-color:var(--signal);animation:pop .4s ease backwards}.hint-card{margin:12px 0;padding:12px 16px;border-radius:var(--r-md);background:var(--surface);border:2px dashed var(--almost);animation:rise .2s ease}.hint-label{display:block;font-size:.8em;font-weight:700;color:var(--almost);margin-bottom:2px}.example-card{border-style:solid;border-color:var(--line)}.example-card p{margin:4px 0}.help{margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}.help-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.help-row .btn{font-size:.92em;padding:10px 12px}.quick-replies{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.quick-replies .chip{font-size:.9em;white-space:normal;flex:0 1 auto;text-align:left}.ask-box{display:flex;gap:8px;margin-top:12px}.ask-box .text-input{flex:1;min-width:0}.chat{display:flex;flex-direction:column;gap:10px;margin:14px 0}.me-bubble{align-self:flex-end;max-width:85%;background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:18px 18px 4px}.ai-bubble{align-self:flex-start;max-width:92%;background:var(--ai-bg);color:var(--ai-ink);padding:10px 14px 12px;border-radius:4px 18px 18px;animation:rise .2s ease}.ai-label{display:flex;align-items:center;gap:6px;font-size:.78em;font-weight:700;color:var(--sea);margin-bottom:2px}.ai-body p{margin:0}.ai-bubble.crisis{max-width:100%;background:var(--surface);border:2px solid var(--sea);padding:18px;font-size:1.08em}.crisis-wrap{padding-top:40px;display:flex;flex-direction:column;gap:10px}.finish-hero{text-align:center;padding:36px 0 8px}.finish-score{display:inline-flex;align-items:baseline;gap:10px}.finish-big{font-family:var(--f-display);font-weight:800;font-size:5rem;line-height:1;color:var(--sea);animation:pop .5s ease backwards}.finish-of{font-family:var(--f-display);font-weight:600;font-size:1.4rem;color:var(--muted)}.finish-hero .lead{margin:6px auto 0}.grade-note{margin:12px auto 0;padding:10px 14px;background:var(--surface);border-radius:var(--r-sm);max-width:26em}.praise{font-size:1.15em;line-height:1.45;padding:16px 18px;border-radius:var(--r-md);background:var(--surface);border-left:5px solid var(--signal);margin:22px 0}.mastered ul{list-style:none;padding:0;margin:0}.mastered li{display:flex;align-items:center;gap:10px;font-weight:700;padding:8px 0}.flag-mini{width:18px;height:18px;flex:none;background:var(--signal);clip-path:polygon(0 0,100% 35%,0 70%)}.finish .week-block{justify-content:center;margin-top:20px}.mood{margin-top:24px;text-align:center}.mood-row{display:flex;justify-content:center;gap:12px;margin-bottom:10px}.mood-btn{display:flex;flex-direction:column;align-items:center;gap:2px;width:88px;padding:10px 0;border-radius:var(--r-md);border:3px solid var(--line);background:var(--surface)}.mood-btn.on{border-color:var(--signal)}.mood-emoji{font-size:2rem;line-height:1.1}.mood .chips{justify-content:center}.hw-parts{list-style:none;margin:8px 0 4px;padding:0}.hw-part{display:flex;gap:10px;align-items:center;padding:4px 0;font-weight:500}.hw-part span{font-family:var(--f-display);font-weight:600;min-width:2em}.hw-part.is-correct{color:var(--land)}.hw-part.is-wrong{color:var(--almost)}.hw-part.is-wrong_form{color:var(--dad-accent)}.pick-list{display:grid;gap:10px;margin-top:14px}.pick{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;padding:14px 16px;min-height:64px;border-radius:var(--r-md);border:3px solid var(--line);background:var(--surface)}.pick.on{border-color:var(--sea)}.pick-sub{font-size:.82em;color:var(--muted)}.pick-title{font-weight:700}.parent{max-width:680px}.parent-head{padding-top:12px}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}.stat{background:var(--surface);border-radius:var(--r-md);padding:14px;border:1px solid var(--line);display:flex;flex-direction:column}.stat-n{font-family:var(--f-display);font-weight:800;font-size:1.9rem;line-height:1.1}.stat-l{color:var(--muted);font-size:.88em}.plain-list{margin:0;padding-left:1.1em}.plain-list li{margin:6px 0}.date-row{display:flex;gap:12px;flex-wrap:wrap;margin:10px 0 12px}.date-row label{display:flex;flex-direction:column;gap:4px;flex:1 1 140px;font-weight:600;font-size:.9em}.parent-flags{border:2px solid var(--signal)}.noaccess-art{margin-bottom:8px}.hw-send{display:flex;align-items:center;gap:14px;width:100%;text-align:left;margin:20px 0 0;padding:14px 16px;min-height:72px;border:0;background:var(--dad-bg);color:var(--dad-ink);border-radius:4px var(--r-md) var(--r-md) var(--r-md);border-left:5px solid var(--dad-accent)}.hw-send-icon{width:48px;height:48px;flex:none;display:grid;place-items:center;border-radius:50%;background:var(--dad-accent);color:var(--dad-bg)}.hw-send-text{display:flex;flex-direction:column;gap:2px;min-width:0}.hw-send-title{font-family:var(--f-display);font-weight:600;font-size:1.02rem;line-height:1.2}.hw-send-sub{font-size:.86em;opacity:.85}.hwp-privacy{display:flex;gap:10px;align-items:flex-start;margin:4px 0 16px;padding:10px 14px;border-radius:var(--r-sm);background:var(--signal-soft);color:var(--dad-ink);font-size:.92em;font-weight:500}.hwp-privacy svg{flex:none;margin-top:2px;color:var(--dad-accent)}.hwp-capture{display:grid;gap:12px}.hwp-shoot{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:150px;padding:18px 16px;border:0;border-radius:var(--r-lg);background:var(--sea);color:var(--sea-ink);box-shadow:0 6px 0 0 var(--sea-deep);transition:transform .08s ease,box-shadow .08s ease}.hwp-shoot:active:not(:disabled){transform:translateY(5px);box-shadow:0 1px 0 0 var(--sea-deep)}.hwp-shoot:disabled{background:var(--surface-2);color:var(--muted);box-shadow:0 6px 0 0 var(--line)}.hwp-shoot-name{font-family:var(--f-display);font-weight:700;font-size:1.3rem}.hwp-shoot-sub{font-size:.88em;opacity:.85}.hwp-gallery{display:flex;align-items:center;justify-content:center;gap:10px}.hwp-pages{list-style:none;margin:22px 0 6px;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px 12px}.hwp-page{position:relative;aspect-ratio:3 / 4;background:#fff;padding:4px;border:1px solid var(--line);border-radius:6px;box-shadow:0 3px 0 0 var(--line);transform:rotate(-1.4deg);animation:pop .3s ease backwards}.hwp-page:nth-child(2n){transform:rotate(1.2deg)}.hwp-page:nth-child(3n){transform:rotate(-.4deg)}.hwp-page img{width:100%;height:100%;object-fit:cover;display:block;border-radius:3px;background:var(--surface-2)}.hwp-page-wait{display:grid;place-items:center;background:var(--surface)}.hwp-page-wait .loading{padding:0}.hwp-page-n{position:absolute;left:-6px;bottom:-8px;min-width:28px;height:28px;padding:0 6px;border-radius:14px;display:grid;place-items:center;background:var(--signal);color:#2b1d00;font-family:var(--f-display);font-weight:700;font-size:.85rem}.hwp-remove{position:absolute;top:-10px;right:-10px;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;border:3px solid var(--bg);background:var(--ink);color:var(--bg)}.hwp-remove:disabled{opacity:.4}.hwp-more{margin:18px 0 0;padding:4px 16px 14px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line)}.hwp-more summary{min-height:48px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-weight:600;cursor:pointer}.hwp-more summary .muted{font-weight:400}.hwp-more:not([open]){padding-bottom:4px}.hwp-progress{position:relative;min-height:52px;border-radius:var(--r-md);overflow:hidden;background:var(--surface-2);display:grid;place-items:center}.hwp-progress-fill{position:absolute;left:0;top:0;bottom:0;background:var(--sea);opacity:.35;transition:width .2s ease}.hwp-progress-text{position:relative;font-weight:700;color:var(--ink)}.hwp-sent{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;margin:8px 0 18px;padding:22px 16px 18px;border-radius:var(--r-lg);background:var(--dad-bg);color:var(--dad-ink)}.hwp-sent-art{width:84px;height:63px;color:var(--dad-accent);animation:pop .5s ease backwards}.hwp-sent strong{font-family:var(--f-display);font-weight:700;font-size:1.3rem;line-height:1.2}.hwp-wait{padding:8px 0}.hwp-result{margin-top:8px}.hwp-tasks{list-style:none;margin:8px 0 12px;padding:0;display:grid;gap:10px}.hwp-task{display:grid;grid-template-columns:auto 32px 1fr;align-items:center;gap:4px 10px;padding:12px 14px;border-radius:var(--r-md);background:var(--surface);border:2px solid var(--line)}.hwp-task-no{font-family:var(--f-display);font-weight:700;min-width:3.2em}.hwp-task-mark{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-weight:800}.hwp-task-text{font-weight:600}.hwp-task.is-ok{border-color:var(--land)}.hwp-task.is-ok .hwp-task-mark{background:var(--land);color:#fff}.hwp-task.is-ok .hwp-task-text{color:var(--land)}.hwp-task.is-look{border-color:var(--almost)}.hwp-task.is-look .hwp-task-mark{background:var(--almost-soft);color:var(--almost)}.hwp-task.is-look .hwp-task-text{color:var(--almost)}.hwp-task.is-none .hwp-task-mark{background:var(--surface-2);color:var(--muted)}.hwp-task.is-none .hwp-task-text{color:var(--muted);font-weight:500}.hwp-task-hint{grid-column:1 / -1;margin:6px 0 0;padding:10px 12px;border-radius:var(--r-sm);background:var(--almost-soft)}.hwp-history{margin-top:28px}.hwp-hist-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.hwp-hist{display:grid;grid-template-columns:1fr auto;grid-template-areas:"date badge" "what badge";align-items:center;gap:0 10px;width:100%;text-align:left;padding:10px 14px;min-height:60px;border-radius:var(--r-md);border:2px solid var(--line);background:var(--surface)}.hwp-hist-date{grid-area:date;font-weight:700}.hwp-hist-what{grid-area:what;color:var(--muted);font-size:.9em}.hwp-badge{grid-area:badge;font-size:.8em;font-weight:700;padding:3px 10px;border-radius:999px;background:var(--surface-2);white-space:nowrap}.hwp-badge.st-done{background:var(--land-soft);color:var(--land)}.hwp-badge.st-analyzing,.hwp-badge.st-uploaded{background:var(--ai-bg);color:var(--sea)}.hwp-badge.st-sent_to_parent,.hwp-badge.st-failed{background:var(--dad-bg);color:var(--dad-accent)}.phw-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.phw-new-count{font-family:var(--f-text);font-size:.78rem;font-weight:700;padding:2px 10px;border-radius:999px;background:var(--signal);color:#2b1d00}.phw-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}.phw-row{display:flex;flex-direction:column;gap:2px;width:100%;text-align:left;padding:10px 14px;border-radius:var(--r-sm);border:2px solid var(--line);background:var(--bg)}.phw-row.is-new{border-color:var(--signal);background:var(--signal-soft)}.phw-row-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.phw-row-date{font-weight:700}.phw-dot{font-size:.75em;font-weight:700;color:var(--dad-accent)}.phw-dot:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--signal);margin-right:5px;vertical-align:1px}.phw-row-main{font-weight:500}.phw-row-sum{font-size:.9em;color:var(--muted)}.phw-status{margin-left:auto;font-size:.78em;font-weight:700;padding:2px 9px;border-radius:999px;background:var(--surface-2);color:var(--muted)}.phw-d-head .phw-status{margin-left:4px}.phw-status.st-done{background:var(--land-soft);color:var(--land)}.phw-status.st-analyzing,.phw-status.st-uploaded{background:var(--ai-bg);color:var(--sea)}.phw-status.st-failed{background:var(--almost-soft);color:var(--almost)}.phw-back{display:inline-flex;align-items:center;gap:4px;margin-bottom:8px}.phw-d-title{font-family:var(--f-display);font-weight:600;font-size:1.1rem;margin:4px 0 2px}.phw-note{margin:8px 0 0;padding:8px 12px;border-left:4px solid var(--dad-accent);background:var(--dad-bg);color:var(--dad-ink);border-radius:2px var(--r-sm) var(--r-sm) 2px}.phw-flag{margin:12px 0;padding:10px 14px;border-radius:var(--r-sm);font-size:.94em}.phw-flag ul{margin:4px 0;padding-left:1.1em}.phw-flag-safety{border:2px solid var(--signal);background:var(--signal-soft);color:var(--dad-ink)}.phw-flag-privacy{background:var(--surface-2)}.phw-analyze{margin:0 0 14px}.phw-mode{margin:12px 0;padding:10px 14px;border-radius:var(--r-sm);background:var(--ai-bg);color:var(--ai-ink);font-size:.94em}.phw-carousel{margin:14px 0}.phw-track{display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;border-radius:var(--r-sm);scrollbar-width:none;overscroll-behavior-x:contain}.phw-track::-webkit-scrollbar{display:none}.phw-slide{flex:0 0 100%;scroll-snap-align:start;background:var(--surface-2);border-radius:var(--r-sm);display:grid;place-items:center}.phw-slide img{width:100%;max-height:56dvh;object-fit:contain;display:block;border-radius:var(--r-sm)}.phw-car-nav{display:flex;align-items:center;justify-content:center;gap:8px}.phw-car-nav .icon-btn:disabled{opacity:.3}.phw-car-count{font-family:var(--f-display);font-weight:600;font-size:.9rem;min-width:4.5em;text-align:center}.phw-wait{margin:8px 0}.phw-table-wrap{overflow-x:auto;margin:14px 0 6px}.phw-table{width:100%;border-collapse:collapse;font-size:.92em}.phw-table th{text-align:left;font-size:.82em;font-weight:600;color:var(--muted);padding:6px 8px;border-bottom:2px solid var(--line)}.phw-table td{padding:8px 6px;vertical-align:top;overflow-wrap:anywhere}.phw-task>tr:first-child td{border-top:1px solid var(--line)}.phw-no{font-family:var(--f-display);font-weight:700;white-space:nowrap}.phw-sub td{padding-top:0;font-size:.95em}.phw-sub p{margin:2px 0 6px}.phw-verdict{display:block;overflow-wrap:normal;font-weight:700;font-size:.88em}.phw-verdict.pv-correct{color:var(--land)}.phw-verdict.pv-wrong{color:var(--almost)}.phw-verdict.pv-wrong_form{color:var(--dad-accent)}.phw-verdict.pv-unclear,.phw-verdict.pv-unchecked{color:var(--muted)}.phw-task.pv-wrong .phw-no{box-shadow:inset 3px 0 0 var(--almost);padding-left:10px}.phw-src{display:inline-block;margin-top:3px;font-size:.78em;font-weight:700;padding:1px 8px;border-radius:999px}.phw-src.bank{background:var(--land-soft);color:var(--land)}.phw-src.model{background:var(--signal-soft);color:var(--dad-accent);border:1px dashed var(--dad-accent)}.phw-foot{margin:0 0 10px}.phw-lines summary{min-height:40px;display:flex;align-items:center;color:var(--sea);font-weight:600;font-size:.92em;cursor:pointer}.phw-lines ol{margin:0 0 6px;padding-left:1.6em}.phw-lines li.err{background:var(--almost-soft);border-radius:6px;padding:0 6px}.phw-overall{display:grid;gap:12px;margin:16px 0 8px;padding-top:14px;border-top:1px solid var(--line)}.phw-o-h{font-family:var(--f-display);font-weight:600;font-size:.95rem;margin:0 0 4px}.phw-overall p{margin:0 0 4px}.phw-praise{padding:12px 14px;border-radius:var(--r-sm);background:var(--surface);border-left:5px solid var(--signal);box-shadow:0 0 0 1px var(--line)}.phw-table thead+tbody>tr:first-child td{border-top:0}.katex{font-size:1.08em;color:inherit}@keyframes rise{0%{opacity:0;transform:translateY(8px)}}@keyframes fade{0%{opacity:0}}@keyframes up{0%{transform:translateY(40px);opacity:.4}}@keyframes pop{0%{transform:scale(.85)}60%{transform:scale(1.06)}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@keyframes nudge{0%,to{transform:none}50%{transform:translateY(-3px)}}@keyframes blink{0%,to{opacity:.25}50%{opacity:1}}@keyframes cell{0%{opacity:0;transform:scale(.4);transform-box:fill-box;transform-origin:center}}@keyframes wave{0%,to{transform:skewY(0)}50%{transform:skewY(-4deg)}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}@media (min-width: 720px){.screen{padding-top:28px}.start-tile{min-height:200px}.h-display{font-size:2rem}.home-title{font-size:2.8rem}}.v-hl{fill:var(--signal)}.v-hl-soft{fill:var(--signal-soft)}.v-text-hl{fill:var(--sea);font-weight:800}.v-muted{fill:var(--muted);color:var(--muted)}.v-cursor{fill:none;stroke:var(--signal);stroke-width:3;pointer-events:none}.v-beam{transition:transform .35s cubic-bezier(.3,1.4,.5,1)}.hint-visual{margin:-4px 0 12px;animation:rise .2s ease}.manip{padding:14px 12px 12px}.manip.is-done{border-color:var(--land)}.manip-prompt{margin:0 0 12px;font-weight:700;font-size:1.08em;text-align:left}.manip-status{margin:10px 0 0;min-height:1.5em;font-size:1.05em;font-variant-numeric:tabular-nums}.manip-status b{font-family:var(--f-display);font-weight:600}.manip-surface{touch-action:none;cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.manip-tap{user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.manip-tap .v-tap{cursor:pointer}.manip .visual-svg:focus{outline:none}.manip .visual-svg:focus-visible{outline:3px solid var(--sea);outline-offset:4px;border-radius:8px}.manip .v-fill,.manip .v-empty{transition:fill .12s}.manip .visual-square{max-width:300px}.manip-success{text-align:left;margin:12px 0 0}.manip-actions{display:flex;gap:10px;margin-top:12px}.manip-actions .btn{flex:1 1 0;min-height:48px;padding:8px 12px;font-size:.95em;font-weight:600}.manip-show{color:var(--muted)}.stepper{display:flex;align-items:center;justify-content:center;gap:6px;flex-wrap:wrap;margin-top:10px}.stepper-label{color:var(--muted);font-weight:600;margin-right:4px}.stepper-btn{min-width:46px;min-height:46px;padding:0 8px;border-radius:var(--r-sm);border:2px solid var(--line);background:var(--surface-2);color:var(--ink);font-family:var(--f-display);font-weight:600;font-size:1.05rem;box-shadow:0 3px 0 0 var(--line);touch-action:manipulation}.stepper-btn:active:not(:disabled){transform:translateY(2px);box-shadow:0 1px 0 0 var(--line)}.stepper-btn:disabled{opacity:.45}.stepper.compact .stepper-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.stepper-val{min-width:2.6em;text-align:center;font-family:var(--f-display);font-weight:600;font-size:1.15rem;font-variant-numeric:tabular-nums}.stepper-input{width:4.6em;min-height:48px;text-align:center;border-radius:var(--r-sm);border:3px solid var(--line);background:var(--surface);color:var(--ink);font-family:var(--f-display);font-weight:600;font-size:1.15rem}.stepper-input:focus{outline:none;border-color:var(--sea)}.manip-input-hint{margin:6px 0 0;min-height:1.4em;color:var(--muted);font-size:.95em;text-align:center}.bal-prop{margin:0 0 6px;font-family:var(--f-display);font-weight:600;font-size:1.35rem;display:flex;justify-content:center;align-items:baseline;gap:.35em;flex-wrap:wrap}.bal-op{color:var(--muted)}.bal-x{color:var(--almost);background:var(--almost-soft);border-radius:8px;padding:0 .3em;min-width:1.4em;display:inline-block}.bal-products{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center;margin-top:4px}.bal-card{padding:8px 6px;border-radius:var(--r-sm);background:var(--surface-2);border:2px solid transparent;transition:border-color .2s,background-color .2s}.bal-card span{display:block;color:var(--muted);font-size:.82em}.bal-card b{font-family:var(--f-display);font-weight:600;font-size:.98em;white-space:nowrap}.bal-card.heavy{border-color:var(--signal);background:var(--signal-soft)}.bal-cmp{font-family:var(--f-display);font-weight:600;font-size:1.5rem}.manip.is-done .bal-card{background:var(--land-soft)}.lesson-explain{margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);background:var(--ai-bg);color:var(--ai-ink)}.faded-list li{line-height:2.4;margin:10px 0}.fd-input{display:inline-block;vertical-align:middle;min-width:52px;max-width:100%;min-height:44px;box-sizing:border-box;margin:0 .2em;padding:4px 8px;border-radius:10px;text-align:center;border:3px solid var(--line);background:var(--surface);color:var(--ink);font-family:var(--f-display);font-weight:600;font-size:1.05rem;line-height:1.2;transition:border-color .15s,background-color .15s}.fd-input::placeholder{color:var(--fog)}.fd-input:focus{outline:none;border-color:var(--sea)}.fd-input:disabled{opacity:1;color:var(--ink);-webkit-text-fill-color:var(--ink)}.fd-input.is-correct{border-color:var(--land);background:var(--land-soft);animation:pop .3s ease}.fd-input.is-revealed{border-color:var(--land);border-style:dashed;background:var(--land-soft)}.fd-input.is-wrong{border-color:var(--almost);background:var(--almost-soft);animation:shake .32s ease}.fd-input.is-wrong_form{border-color:var(--signal);background:var(--signal-soft)}.fd-echo{display:inline-block;padding:0 .35em;border-radius:8px;background:var(--surface-2);font-family:var(--f-display);font-weight:600;line-height:1.6}.fd-echo.empty{color:var(--fog)}.fd-note{display:inline-block;margin:0 .3em;color:var(--dad-accent);font-size:.85em;font-weight:600;line-height:1.3}.fd-reveal{display:inline-block;vertical-align:middle;min-height:44px;margin:0 .2em;padding:4px 12px;border-radius:999px;border:2px solid var(--almost);background:var(--almost-soft);color:var(--almost);font-weight:700;font-size:.9em;line-height:1.2}.fd-err{color:var(--almost);font-weight:600;margin:10px 0 0}.nowrap{white-space:nowrap}.focus-tile{display:flex;align-items:center;gap:14px;width:100%;text-align:left;margin:0 0 6px;padding:14px 12px 14px 14px;min-height:84px;border:0;border-radius:var(--r-lg);background:color-mix(in srgb,var(--land) 88%,#000);color:#fff;box-shadow:0 6px color-mix(in srgb,var(--land) 60%,#000);transition:transform .08s ease,box-shadow .08s ease}:root[data-theme=dark] .focus-tile{background:var(--land);color:#06210f}.focus-tile:active{transform:translateY(5px);box-shadow:0 1px color-mix(in srgb,var(--land) 60%,#000)}.focus-tile-icon{width:44px;height:44px;flex:none;display:grid;place-items:center;border-radius:50%;background:#ffffff38}.focus-tile-text{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}.focus-tile-title{font-family:var(--f-display);font-weight:600;font-size:1.1rem;line-height:1.2}.focus-tile-sub{font-size:.86em;opacity:.92;font-variant-numeric:tabular-nums}.focus-tile-cta{flex:none;display:grid;place-items:center;min-width:36px;min-height:36px;font-weight:700;font-size:.86em;padding:6px 10px;border-radius:999px;background:#ffffff38}.focus-streak{margin:4px 0 14px}.focus-tile+.start-tiles,.focus-streak+.start-tiles{margin-top:14px}.focus-checks{display:flex;flex-direction:column;gap:10px;margin:12px 0 4px}.focus-check{display:flex;align-items:center;gap:12px;width:100%;min-height:56px;padding:10px 14px;text-align:left;border-radius:var(--r-md);border:2px solid var(--line);background:var(--surface);font-weight:500}.focus-check.on{border-color:var(--land);background:var(--land-soft)}.focus-check-box{width:28px;height:28px;flex:none;display:grid;place-items:center;border-radius:8px;border:2px solid var(--line);background:var(--bg);color:#fff}.focus-check.on .focus-check-box{background:var(--land);border-color:var(--land)}.focus-check-box svg{width:20px;height:20px}.focus-check-text{display:flex;flex-direction:column;line-height:1.25}.focus-seg{display:flex;gap:10px;margin-bottom:8px}.focus-seg .chip{flex:1;min-width:56px;font-family:var(--f-display);font-weight:600}.focus-tip{margin:16px 0;padding:0 14px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface)}.focus-tip summary{min-height:48px;display:flex;align-items:center;font-weight:600;cursor:pointer}.focus-tip p{font-size:.92em}.focus-run .topbar-title{text-align:center}.focus-ring{position:relative;width:min(78vw,300px);aspect-ratio:1;margin:8px auto 16px}.focus-ring svg{width:100%;height:100%;display:block}.focus-ring-bg{fill:none;stroke:var(--surface-2);stroke-width:16}.focus-ring-fg{fill:none;stroke:var(--sea);stroke-width:16;stroke-linecap:round;transition:stroke-dashoffset 1s linear}.focus-ring.ph-break .focus-ring-fg{stroke:var(--land)}.focus-ring-in{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center}.focus-time{font-family:var(--f-display);font-weight:800;font-size:clamp(2.6rem,14vw,3.6rem);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}.focus-time-sub{color:var(--muted);font-size:.9em;margin-top:6px}.focus-note{text-align:center;font-weight:600;font-size:1.1em;margin-bottom:4px;overflow-wrap:anywhere}.focus-distr{text-align:center}.focus-break-text{text-align:center;font-size:1.1em;font-weight:500}.focus-early{margin-top:24px}.focus-early-link{color:var(--muted);font-weight:500}.focus-confirm{padding:14px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface);text-align:center}.focus-rate{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:8px 0 10px}.focus-rate-btn{display:flex;flex-direction:column;align-items:center;gap:2px;min-height:88px;padding:10px 4px;border-radius:var(--r-md);border:3px solid var(--line);background:var(--surface);font-weight:600;font-size:.92em}.focus-rate-n{font-family:var(--f-display);font-weight:800;font-size:1.6rem;line-height:1.1}.focus-rate-btn.r1 .focus-rate-n{color:var(--almost)}.focus-rate-btn.r2 .focus-rate-n{color:var(--sea)}.focus-rate-btn.r3 .focus-rate-n{color:var(--land)}.focus-rate-btn.on{border-color:var(--signal)}.focus-rate-btn:disabled:not(.on){opacity:.55}.focus-level{padding:12px 14px;border-radius:var(--r-md);font-weight:500}.focus-level.up{background:var(--land-soft)}.focus-level.down{background:var(--almost-soft)}.focus-pill{position:fixed;z-index:20;right:12px;bottom:calc(92px + env(safe-area-inset-bottom));display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 14px;border-radius:999px;border:0;background:var(--ink);color:var(--bg);font-weight:700;font-size:.92em;font-variant-numeric:tabular-nums;box-shadow:0 4px 14px #00000038}.focus-pill-dot{width:10px;height:10px;border-radius:50%;background:var(--sea)}.focus-pill.ph-break .focus-pill-dot{background:var(--land)}.focus-pill.ph-done .focus-pill-dot{background:var(--signal)}.focus-toast{position:fixed;z-index:40;left:16px;right:16px;margin:0 auto;max-width:420px;top:calc(12px + env(safe-area-inset-top));padding:12px 16px;border-radius:var(--r-md);background:var(--ink);color:var(--bg);font-weight:500;box-shadow:0 6px 20px #00000040;animation:rise .2s ease}.hwp-focus{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--land-soft);font-weight:600;margin:0 0 10px}.phw-focus{margin:4px 0 0}.focus-parent-hint{font-weight:600;margin:8px 0 0}@media (prefers-reduced-motion: reduce){.focus-ring-fg{transition:none}}.phw-status.st-waiting_review,.phw-status.st-reviewing,.hwp-badge.st-waiting_review,.hwp-badge.st-reviewing{background:var(--dad-bg);color:var(--dad-accent)}.phw-cc{margin:12px 0;padding:12px 14px;border-radius:var(--r-sm);border:2px dashed var(--dad-accent);background:var(--dad-bg);color:var(--dad-ink)}.phw-cc p{margin:0}.phw-cc p+p{margin-top:6px}.phw-cc-how{font-weight:600}.phw-cc-cmd{font-family:ui-monospace,Consolas,monospace;font-size:.95em;padding:1px 6px;border-radius:6px;background:var(--surface);white-space:nowrap}.phw-release{margin:12px 0 14px;padding:12px 14px;border-radius:var(--r-sm);background:var(--surface-2)}.phw-release p{margin:0 0 8px}.phw-release-what{font-weight:600}.phw-released{margin:12px 0}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2) format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff) format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2) format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff) format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff) format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2) format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff) format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2) format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff) format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2) format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff) format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2) format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff) format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2) format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff) format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2) format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff) format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2) format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff) format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff) format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff) format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2) format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff) format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2) format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff) format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2) format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff) format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2) format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff) format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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) format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff) format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2) format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff) format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf) format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2) format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff) format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf) format("truetype")}.katex{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.16.47"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.newline{display:block}.katex .base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.katex .base,.katex .strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .hbox{width:100%}.katex .hbox,.katex .thinbox{display:inline-flex;flex-direction:row}.katex .thinbox{max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline,.katex .hline,.katex .mfrac .frac-line,.katex .overline .overline-line,.katex .rule,.katex .underline .underline-line{min-height:1px}.katex .mspace{display:inline-block}.katex .smash{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.katex .clap>.inner,.katex .llap>.inner,.katex .rlap>.inner{position:absolute}.katex .clap>.fix,.katex .llap>.fix,.katex .rlap>.fix{display:inline-block}.katex .llap>.inner{right:0}.katex .clap>.inner,.katex .rlap>.inner{left:0}.katex .clap>.inner>span{margin-left:-50%;margin-right:50%}.katex .rule{border:0 solid;display:inline-block;position:relative}.katex .hline,.katex .overline .overline-line,.katex .underline .underline-line{border-bottom-style:solid;display:inline-block;width:100%}.katex .hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.root{margin-left:.2777777778em;margin-right:-.5555555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .sizing.reset-size2.size1{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .sizing.reset-size2.size3{font-size:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .sizing.reset-size2.size4{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .sizing.reset-size2.size6{font-size:1.6666666667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .sizing.reset-size2.size10{font-size:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .sizing.reset-size3.size2{font-size:.8571428571em}.katex .fontsize-ensurer.reset-size3.size3,.katex .sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .sizing.reset-size3.size4{font-size:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .sizing.reset-size3.size11{font-size:3.5542857143em}.katex .fontsize-ensurer.reset-size4.size1,.katex .sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .sizing.reset-size5.size1{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .sizing.reset-size5.size4{font-size:.8888888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .sizing.reset-size5.size6{font-size:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .sizing.reset-size5.size7{font-size:1.3333333333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .sizing.reset-size5.size10{font-size:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .sizing.reset-size5.size11{font-size:2.7644444444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .sizing.reset-size7.size1{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .sizing.reset-size7.size3{font-size:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .sizing.reset-size7.size4{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .sizing.reset-size7.size6{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .sizing.reset-size7.size10{font-size:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .sizing.reset-size8.size4{font-size:.5555555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .sizing.reset-size8.size6{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .sizing.reset-size8.size7{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .sizing.reset-size8.size10{font-size:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .sizing.reset-size9.size8{font-size:.8333333333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .sizing.reset-size9.size10{font-size:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .sizing.reset-size10.size9{font-size:.8331726133em}.katex .fontsize-ensurer.reset-size10.size10,.katex .sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .sizing.reset-size10.size11{font-size:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .sizing.reset-size11.size10{font-size:.8336012862em}.katex .fontsize-ensurer.reset-size11.size11,.katex .sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{display:inline-block;width:.12em}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .accent .accent-body{position:relative}.katex .accent .accent-body:not(.accent-full){width:0}.katex .overlay{display:block}.katex .mtable .vertical-separator{display:inline-block;min-width:1px}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .stretchy:after,.katex .stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{border:.04em solid;box-sizing:border-box}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.tag{left:0;right:auto}.katex-display.fleqn>.katex{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}