@font-face{font-family:Setura Separator;src:local(Arial),local(ArialMT),local(Helvetica Neue),local(HelveticaNeue),local(Segoe UI),local(SegoeUI),local(Roboto),local(Roboto-Regular),local(Noto Sans),local(NotoSans-Regular),local(DejaVu Sans),local(DejaVuSans),local(Liberation Sans),local(LiberationSans);font-weight:100 549;unicode-range:U+B7}@font-face{font-family:Setura Separator;src:local(Arial Bold),local(Arial-BoldMT),local(Helvetica Neue Bold),local(HelveticaNeue-Bold),local(Segoe UI Bold),local(SegoeUI-Bold),local(Roboto Bold),local(Roboto-Bold),local(Noto Sans Bold),local(NotoSans-Bold),local(DejaVu Sans Bold),local(DejaVuSans-Bold),local(Liberation Sans Bold),local(LiberationSans-Bold);font-weight:550 900;unicode-range:U+B7}:root{--brand-indigo:#21105a;--brand-deep:#1f0f53;--brand-black:#0a0618;--gold:#ffdb99;--amber:#ffa24c;--lavender:#b8a6ff;--red:#ff5a4e;--brand-ink:#f4f0e8;--brand-ink-mute:#b3aacf;--bg:#111214;--surface:#1a1c1f;--surface-2:#16181b;--surface-3:#24272b;--ink:#f2f2f0;--ink-2:#c9cbd0;--ink-3:#9c9fa6;--line:#2c2f34;--line-2:#24272b;--diag-correct:#ffdb99;--on-diag-correct:#0a0618;--diag-correct-ink:#ffdb99;--diag-correct-soft:#ffdb991f;--diag-slip:#cf6f19;--on-diag-slip:#0a0618;--diag-slip-ink:#e08a3c;--diag-slip-soft:#cf6f192e;--diag-gap:#4687d8;--on-diag-gap:#0a0618;--diag-gap-ink:#6fa3e8;--diag-gap-soft:#4687d82e;--diag-noworking:#a9adb4;--on-diag-noworking:#0a0618;--diag-noworking-ink:#b9bcc2;--diag-unconfirmed:#c8c2b4;--diag-unconfirmed-soft:#c8c2b414;--cta:#ffdb99;--on-cta:#0a0618;--accent:#ffdb99;--accent-ink:#ffdb99;--accent-soft:#ffdb991f;--on-accent:#0a0618;--header-bg:#16181b;--header-ink:#f2f2f0;--header-ink-mute:#b1b4ba;--header-line:#2c2f34;--process:var(--diag-slip-ink);--process-fill:var(--diag-slip);--process-soft:var(--diag-slip-soft);--gap:var(--diag-gap);--knowledge:var(--diag-gap-ink);--knowledge-fill:var(--diag-gap);--knowledge-soft:var(--diag-gap-soft);--unclear:var(--diag-noworking);--unclear-soft:#24272b;--good:#7fd18b;--warn:#ffdb99;--warn-soft:#ffdb991a;--on-fill:#0a0618;--paper:#fbfaf6;--paper-ink:#d8d4ca;--paper-text:#1d1b24;--heat-1:#7fb2ff;--heat-1-ink:#0a0618;--heat-2:#ffa24c;--heat-2-ink:#0a0618;--heat-3:#ffdb9973;--heat-3-ink:#0a0618;--heat-4:#ffdb99;--heat-4-ink:#0a0618;--shadow:none;--navy:#21105a;--sand:#ffdb99;--fs-display:clamp(28px, 2.6vw, 36px);--fs-lead:19px;--fs-note:15.5px;--fs-meta:14px;--tag-fs:14px;--tag-pad:4px 9px;--tag-radius:6px;--space-1:8px;--space-2:12px;--space-3:16px;--space-4:24px;--space-5:32px;--font:"Setura Separator", "Anek Devanagari", system-ui, sans-serif;--font-hand:"Kalam", "Comic Sans MS", cursive;--lightningcss-light: 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.app-v2{--v2-bg:#111114;--v2-surface:#1b1b20;--v2-surface-2:#26262d;--v2-surface-3:#2e2d36;--v2-line:#2a2a31;--v2-line-strong:#3a3a44;--v2-header-line:#26262d;--v2-ink:#f2f0ea;--v2-ink-2:#d6d4de;--v2-ink-3:#a8a6b3;--v2-ink-4:#8e8c99;--v2-brand:#1e1550;--v2-brand-2:#2a2066;--v2-brand-line:#4a4180;--v2-brand-ink:#e4dfff;--v2-brand-mute:#c9c2f2;--v2-gold:#f5d58a;--v2-gold-hover:#ffe7ae;--v2-on-gold:#1a1520;--v2-slip:#e8873a;--v2-on-slip:#1a1206;--v2-gap:#6fa3ff;--v2-on-gap:#0b1630;--v2-unsure:#9e9cab;--v2-unsure-ink:#e2e0ea;--v2-unread:#6e6d78;--v2-good:#9fe3ba;--v2-paper:#fbf8f1;--v2-paper-ink:#1a1a1f;--v2-paper-rule:#e8e2d4;--v2-paper-slip:#fce4cc;--v2-paper-slip-ink:#7a3208;--v2-paper-gap:#dce8ff;--v2-paper-gap-ink:#163a7a;--v2-font:"Setura Separator", "Anek Devanagari", system-ui, sans-serif;--v2-mono:"Setura Separator", "Anek Devanagari", system-ui, sans-serif;--v2-maths:"STIX Two Text", Georgia, serif;--bg:var(--v2-bg);--surface:var(--v2-surface);--surface-2:#16161a;--surface-3:var(--v2-surface-2);--ink:var(--v2-ink);--ink-2:var(--v2-ink-2);--ink-3:var(--v2-ink-3);--line:var(--v2-line);--line-2:var(--v2-line);--cta:var(--v2-gold);--on-cta:var(--v2-on-gold);--accent:var(--v2-gold);--accent-ink:var(--v2-gold);--accent-soft:#f5d58a1f;--on-accent:var(--v2-on-gold);--gold:var(--v2-gold);--brand-deep:var(--v2-brand);--brand-indigo:var(--v2-brand);--brand-ink:var(--v2-brand-ink);--brand-ink-mute:var(--v2-brand-mute);--header-bg:var(--v2-bg);--header-ink:var(--v2-ink);--header-ink-mute:var(--v2-ink-3);--header-line:var(--v2-header-line);--diag-slip:var(--v2-slip);--on-diag-slip:var(--v2-on-slip);--diag-slip-ink:var(--v2-slip);--diag-slip-soft:#e8873a29;--diag-gap:var(--v2-gap);--on-diag-gap:var(--v2-on-gap);--diag-gap-ink:var(--v2-gap);--diag-gap-soft:#6fa3ff29;--diag-unconfirmed:var(--v2-unsure);--diag-unconfirmed-soft:transparent;--diag-correct:var(--v2-good);--diag-correct-ink:var(--v2-good);--good:var(--v2-good);--paper:var(--v2-paper);--paper-text:var(--v2-paper-ink);--font:var(--v2-font);background:var(--v2-bg);min-height:100vh;color:var(--v2-ink);font-family:var(--v2-font);--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-theme=light] .app-v2{--v2-bg:#f4f2ec;--v2-surface:#fff;--v2-surface-2:#ece9e2;--v2-surface-3:#e2ded5;--v2-line:#e2ded5;--v2-line-strong:#cbc6bb;--v2-header-line:#e2ded5;--v2-ink:#17161c;--v2-ink-2:#34323c;--v2-ink-3:#5c5966;--v2-ink-4:#77747f;--v2-good:#1d7a3a;--v2-unsure:#6f6c78;--v2-unsure-ink:#34323c;--surface-2:#f7f5f0;--accent-ink:#7a5600;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}.app-v2 a{color:var(--v2-gold)}[data-theme=light] .app-v2 a{color:#7a5600}.app-v2 a:hover{color:var(--v2-gold-hover)}[data-theme=light] .app-v2 a:hover{color:#5c4100}.app-v2 h1{letter-spacing:-.02em;font-weight:600}.v2-header{border-bottom:1px solid var(--v2-header-line);background:var(--v2-bg);z-index:20;position:sticky;top:0}.v2-header-in{align-items:center;gap:24px;max-width:1240px;margin:0 auto;padding:12px 32px;display:flex}.v2-brand{flex:none;align-items:baseline;gap:8px;text-decoration:none;display:flex}.app-v2 .v2-brand,.app-v2 .v2-brand:hover{color:var(--v2-ink)}.v2-brand-name{letter-spacing:-.02em;font-size:24px;font-weight:600}.v2-brand-by{color:var(--v2-gold);font-size:15px;font-weight:500}[data-theme=light] .v2-brand-by{color:#7a5600}.v2-nav{flex:auto;justify-content:center;gap:6px;display:flex}.app-v2 .v2-nav-item{min-height:44px;color:var(--v2-ink-3);font:500 15px var(--v2-font);white-space:nowrap;background:0 0;border:none;border-radius:10px;align-items:center;gap:6px;padding:0 16px;text-decoration:none;display:inline-flex}.app-v2 .v2-nav-item:hover{color:var(--v2-ink)}.app-v2 .v2-nav-item[aria-current=page],.app-v2 .v2-nav-item.current{background:var(--v2-surface-2);color:var(--v2-ink);font-weight:600}.v2-header-right{flex:none;align-items:center;gap:12px;display:flex}.app-v2 .v2-avatar{background:var(--v2-gold);width:44px;height:44px;color:var(--v2-on-gold);border-radius:50%;justify-content:center;align-items:center;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.app-v2 .v2-avatar:hover{color:var(--v2-on-gold);background:var(--v2-gold-hover)}.v2-menu{position:relative}.v2-menu-list{z-index:40;background:var(--v2-surface);border:1px solid var(--v2-line-strong);border-radius:14px;min-width:260px;padding:6px;position:absolute;top:52px;left:0;box-shadow:0 16px 40px -16px #0009}.app-v2 .v2-menu-item{width:100%;min-height:44px;color:var(--v2-ink);border-radius:10px;flex-direction:column;gap:2px;padding:10px 12px;text-decoration:none;display:flex}.app-v2 .v2-menu-item:hover,.app-v2 .v2-menu-item:focus-visible{background:var(--v2-surface-2);color:var(--v2-ink)}.v2-menu-item .meta{color:var(--v2-ink-3);font-size:13px}.v2-main{flex-direction:column;gap:24px;max-width:1240px;margin:0 auto;padding:36px 32px 72px;display:flex}.v2-main.narrow{max-width:880px}.v2-tabbar{display:none}@media (max-width:760px){.v2-header-in{padding:12px 16px}.app-v2 .v2-header .v2-nav,.app-v2 .v2-header .v2-upload{display:none}.v2-header-right{margin-left:auto}.v2-main{gap:20px;padding:24px 16px 112px}.v2-tabbar{z-index:30;padding:6px 4px calc(6px + env(safe-area-inset-bottom));background:var(--v2-bg);border-top:1px solid var(--v2-header-line);grid-template-columns:repeat(5,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.app-v2 .v2-tab{min-height:56px;color:var(--v2-ink-3);font:500 12px var(--v2-font);background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:3px;text-decoration:none;display:flex}.app-v2 .v2-tab[aria-current=page]{color:var(--v2-ink);font-weight:600}.v2-tab-disc{background:var(--v2-gold);width:46px;height:46px;color:var(--v2-on-gold);border-radius:50%;justify-content:center;align-items:center;margin-top:-14px;display:flex}}.v2-page-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;display:flex}.v2-page-head h1{margin:0;font-size:34px}.v2-sub{color:var(--v2-ink-3);margin:4px 0 0;font-size:15px}.v2-seg{background:var(--v2-surface);border:1px solid var(--v2-line);border-radius:12px;gap:4px;padding:4px;display:flex}.app-v2 .v2-seg>a,.app-v2 .v2-seg>button{min-height:40px;color:var(--v2-ink-3);font:500 14px var(--v2-font);white-space:nowrap;background:0 0;border:none;border-radius:9px;align-items:center;padding:0 18px;text-decoration:none;display:inline-flex}.app-v2 .v2-seg>[aria-current=page],.app-v2 .v2-seg>[aria-pressed=true]{background:var(--v2-surface-3);color:var(--v2-ink);font-weight:600}.v2-card{background:var(--v2-surface);border:1px solid var(--v2-line);border-radius:20px;min-width:0;padding:28px}.v2-card.brand{background:var(--v2-brand);border-color:var(--v2-brand);color:#f2f0ea;--v2-ink:#f2f0ea;--v2-ink-3:var(--v2-brand-mute)}.app-v2 .v2-card.brand a:not(.v2-btn){color:var(--v2-gold)}.v2-panel{background:var(--v2-surface-2);border-radius:14px;padding:16px 20px}.v2-row{border-top:1px solid var(--v2-line);padding:18px 0}.v2-row:last-child{padding-bottom:4px}.v2-h2{margin:0;font-size:20px;font-weight:600}.v2-h3{margin:0;font-size:16px;font-weight:600}.v2-eyebrow{font:500 14px var(--v2-font);color:var(--v2-ink-3);margin:0}.v2-card.brand .v2-eyebrow{color:var(--v2-brand-mute)}.v2-muted{color:var(--v2-ink-3)}.v2-flex{flex-wrap:wrap;align-items:stretch;gap:24px;display:flex}.app-v2 .v2-btn{background:var(--v2-gold);min-height:52px;color:var(--v2-on-gold);font:600 16px var(--v2-font);cursor:pointer;border:none;border-radius:14px;justify-content:center;align-items:center;gap:10px;padding:0 24px;text-decoration:none;display:inline-flex}.app-v2 .v2-btn:hover{background:var(--v2-gold-hover);color:var(--v2-on-gold)}.app-v2 .v2-btn.small{border-radius:12px;min-height:44px;padding:0 18px;font-size:14px}.app-v2 .v2-btn-outline{border:1px solid var(--v2-line-strong);min-height:44px;color:var(--v2-ink);font:500 14px var(--v2-font);cursor:pointer;white-space:nowrap;background:0 0;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:0 18px;text-decoration:none;display:inline-flex}.app-v2 .v2-btn-outline:hover{border-color:var(--v2-ink-3);color:var(--v2-ink)}.app-v2 .v2-link{color:var(--v2-gold);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;min-height:44px;padding:0;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.app-v2 .v2-link.small{min-height:32px;font-size:14px;font-weight:600}.app-v2 .v2-chip{border:1px solid var(--v2-line-strong);min-height:40px;color:var(--v2-ink-2);font:500 14px var(--v2-font);cursor:pointer;background:0 0;border-radius:999px;padding:0 16px}.app-v2 .v2-chip[aria-pressed=true]{border-color:var(--v2-ink);background:var(--v2-ink);color:var(--v2-bg);font-weight:600}.v2-pill{font:600 12px var(--v2-mono);letter-spacing:.06em;white-space:nowrap;border-radius:999px;flex:none;align-items:center;gap:6px;padding:4px 10px;line-height:1.3;display:inline-flex}.v2-pill.slip{background:var(--v2-slip);color:var(--v2-on-slip)}.v2-pill.gap{background:var(--v2-gap);color:var(--v2-on-gap)}.v2-pill.unsure{border:1.5px dashed var(--v2-unsure);color:var(--v2-unsure-ink);padding:3px 10px}.v2-pill.unread{background:var(--v2-unread);color:#f2f0ea}.v2-pill.subject{background:var(--v2-surface-2);color:var(--v2-ink);font:600 13px var(--v2-font);letter-spacing:0;border-radius:8px}.v2-pill.score{color:#1a1520;font:600 14px var(--v2-font);letter-spacing:0;background:#f2f0ea}.v2-full{color:var(--v2-good);align-items:center;gap:6px;font-size:14px;font-weight:600;display:inline-flex}.v2-code{border:1px solid var(--v2-line-strong);color:var(--v2-ink-3);font:600 12px var(--v2-mono);border-radius:6px;padding:2px 8px;display:inline-flex}.v2-card.brand .v2-code{color:var(--v2-brand-mute);border-color:#5b5296}.v2-tabular,.v2-pill.score,.v2-stepper,.v2-big-from,.v2-big-to,.v2-score{font-variant-numeric:tabular-nums}.v2-score{white-space:nowrap;text-align:right;font-size:22px;font-weight:600}.v2-score .out{color:var(--v2-ink-3);font-weight:500}.v2-score.unsure{border:1.5px dashed var(--v2-unsure);border-radius:10px;padding:0 8px}.v2-classes-more{text-underline-offset:3px;cursor:help;-webkit-text-decoration:underline dotted;text-decoration:underline dotted}.app-v2 .v2-link.quiet{color:var(--v2-ink-2)}.v2-qlayout{grid-template-columns:minmax(280px,360px) minmax(0,1fr);align-items:start;gap:24px;display:grid}.v2-qtree summary{cursor:pointer;padding:12px 0;font-weight:600;list-style-position:inside}.v2-qtree>details+details{border-top:1px solid var(--v2-line)}.v2-qtopic{margin:0 0 12px}.v2-qtopic h3{color:var(--v2-ink-3);margin:8px 0 4px;font-size:13px;font-weight:500}.app-v2 .v2-qskill{width:100%;min-height:44px;color:var(--v2-ink-2);font:500 15px var(--v2-font);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;justify-content:space-between;align-items:center;gap:12px;padding:8px 12px;transition:background-color .15s cubic-bezier(.22,1,.36,1);display:flex}.app-v2 .v2-qskill:hover{background:var(--v2-surface-2)}.app-v2 .v2-qskill[aria-pressed=true]{background:var(--v2-surface-2);color:var(--v2-ink);box-shadow:inset 0 1px #ffffff14}.app-v2 .v2-qskill:focus-visible{outline:2px solid var(--v2-gold);outline-offset:2px}.v2-qcount{color:var(--v2-ink-3);font-variant-numeric:tabular-nums;flex:none;font-size:13px;font-weight:400}.v2-qfilters{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.app-v2 .v2-qfilters input[type=search],.app-v2 .v2-qfilters select{border:1px solid var(--v2-line-strong);background:var(--v2-surface);min-height:44px;color:var(--v2-ink);font:400 15px var(--v2-font);border-radius:10px;padding:8px 12px}.app-v2 .v2-qfilters input[type=search]{flex:260px;min-width:0}.v2-qrow{border-top:1px solid var(--v2-line);flex-wrap:wrap;align-items:center;gap:8px 24px;padding:16px 0;display:flex}@media (max-width:860px){.v2-qlayout{grid-template-columns:minmax(0,1fr)}}@media (max-width:480px){.v2-seg{width:100%}.app-v2 .v2-seg>a{flex:1 1 0;justify-content:center;padding-inline:4px;font-size:14px}}.v2-qbody{flex-direction:column;gap:16px;display:flex}.v2-qtext{margin:0;font-size:17px;line-height:1.6}.v2-qfigure{background:#fff;border-radius:10px;width:auto;max-width:100%;height:auto;max-height:420px;padding:12px;display:block}.v2-qtable{border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:16px}.v2-qtable th,.v2-qtable td{border:1px solid var(--v2-line-strong);text-align:left;padding:8px 12px}.v2-qtable th{font-weight:500}.v2-evidence{color:var(--v2-brand-ink);text-decoration:underline;-webkit-text-decoration-color:var(--v2-brand-line);text-decoration-color:var(--v2-brand-line);text-underline-offset:3px;white-space:nowrap}.v2-evidence:hover{text-decoration-color:currentColor}.v2-stepper{color:var(--v2-brand-ink);align-items:center;gap:4px;font-size:13px;font-weight:600;display:inline-flex}.v2-stepper button{border:1px solid var(--v2-brand-line);width:40px;height:40px;color:inherit;font:600 18px/1 var(--v2-font);cursor:pointer;background:0 0;border-radius:8px}.v2-stepper button:disabled{opacity:.35;cursor:default}.v2-stepper button:focus-visible,.v2-evidence:focus-visible{outline:2px solid var(--gold);outline-offset:2px}.v2-working{grid-template-columns:minmax(0,1fr) minmax(220px,300px);align-content:start;column-gap:24px;display:grid}.v2-wrow{grid-column:1/-1;grid-template-columns:subgrid;align-items:stretch;display:grid}.v2-wline{background:var(--v2-paper);color:var(--v2-paper-ink);font:400 23px var(--v2-maths);border-bottom:1px solid var(--v2-paper-rule);overflow-wrap:anywhere;align-items:center;min-width:0;padding:14px 22px;line-height:1.3;display:flex}.v2-wrow.cont .v2-wline{padding-left:40px}.v2-wrow:first-child .v2-wline{border-radius:12px 12px 0 0}.v2-wrow:last-child .v2-wline{border-bottom:none;border-radius:0 0 12px 12px}.v2-wrow:only-child .v2-wline{border-radius:12px}.v2-wline.slip{background:var(--v2-paper-slip);color:var(--v2-paper-slip-ink);font-weight:500}.v2-wline.gap{background:var(--v2-paper-gap);color:var(--v2-paper-gap-ink);font-weight:500}.v2-wline.unsure{box-shadow:inset 4px 0 0 var(--v2-unsure)}.v2-wline.omitted{font:500 14px var(--v2-font);color:#6b6880;padding:10px 22px}.v2-wline .katex{font-size:1.15em}.v2-wnote{flex-direction:column;justify-content:center;gap:6px;min-width:0;padding:10px 0;display:flex}.v2-wnote-line{flex-wrap:wrap;align-items:center;gap:8px;font-size:15px;font-weight:500;display:flex}.v2-wnote-line.ok{color:var(--v2-good)}.v2-card.brand .v2-wnote-line.ok{color:#9fe3ba}.v2-wnote-line.lost{color:var(--v2-ink-2)}.v2-card.brand .v2-wnote-line.lost{color:var(--v2-brand-ink)}.v2-wnote-why{color:var(--v2-ink-3);font-size:13px;line-height:1.4}@media (max-width:760px){.v2-working{grid-template-columns:minmax(0,1fr)}.v2-wrow.cont .v2-wline{padding-left:30px}.v2-wline{border-bottom:none;font-size:20px;border-radius:12px!important}.v2-wnote{padding:8px 4px 14px}}.v2-month{flex-wrap:wrap;align-items:center;gap:40px;display:flex}.v2-big-from{letter-spacing:-.03em;color:var(--v2-ink-3);font-size:44px;font-weight:600}.v2-big-to{letter-spacing:-.05em;font-size:92px;font-weight:600;line-height:.9}.v2-big-lead{max-width:34ch;margin:6px 0 0;font-size:21px;font-weight:500;line-height:1.35}.v2-stack{border-radius:10px;gap:3px;height:40px;display:flex;overflow:hidden}.v2-stack.thin{border-radius:4px;height:14px}.v2-stack>.slip{background:var(--v2-slip)}.v2-stack>.gap{background:var(--v2-gap)}.v2-stack>.unsure{background:repeating-linear-gradient(135deg,#5c5a67 0 6px,#2e2d36 6px 12px)}.v2-stack>.unread{background:#44434d}.v2-key{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px;display:grid}.v2-key-swatch{border-radius:3px;flex:none;width:12px;height:12px;margin-top:5px}.v2-key-swatch.slip{background:var(--v2-slip)}.v2-key-swatch.gap{background:var(--v2-gap)}.v2-key-swatch.unsure{background:repeating-linear-gradient(135deg,#8e8c99 0 3px,#2e2d36 3px 6px)}.v2-key-swatch.unread{background:var(--v2-unread)}@media (max-width:760px){.v2-big-to{font-size:64px}.v2-big-from{font-size:32px}.v2-big-lead{font-size:18px}.v2-key{grid-template-columns:minmax(0,1fr)}.v2-card{padding:22px 18px}}.v2-skel{background:var(--v2-surface);border:1px solid var(--v2-line);border-radius:20px;animation:1.6s ease-in-out infinite shimmer}@media (prefers-reduced-motion:reduce){.v2-skel{animation:none}}.app-v2 .v2-header~.page-container,.app-v2 .v2-header~.page{max-width:1240px;margin:0 auto;padding:36px 32px 72px}@media (max-width:760px){.app-v2 .v2-header~.page-container,.app-v2 .v2-header~.page{padding:24px 16px 112px}}.app-v2 .v2-select,.app-v2 .v2-field{border:1px solid var(--v2-line-strong);background:var(--v2-bg);min-height:44px;color:var(--v2-ink);font:500 15px var(--v2-font);border-radius:10px;padding:0 12px}.app-v2 .v2-field:focus-visible,.app-v2 .v2-select:focus-visible{outline:2px solid var(--v2-gold);outline-offset:1px}.pm-header-in{align-items:center;gap:20px;max-width:1360px;margin:0 auto;padding:12px 32px;display:flex}.pm-timer{background:var(--v2-surface);border:1px solid var(--v2-line);min-height:44px;font:600 15px var(--v2-font);font-variant-numeric:tabular-nums;white-space:nowrap;border-radius:12px;align-items:center;gap:8px;padding:0 14px;display:inline-flex}.pm-main{flex-wrap:wrap;align-items:flex-start;gap:24px;max-width:1360px;margin:0 auto;padding:24px 32px 64px;display:flex}.pm-grid{border-radius:18px;flex:200px;max-width:240px;padding:18px}.pm-question{border-radius:18px;flex-direction:column;flex:2 360px;gap:16px;padding:24px;display:flex;position:sticky;top:88px}.pm-working{border-radius:18px;flex-direction:column;flex:3 460px;gap:16px;padding:24px;display:flex}.app-v2 .pm-q{background:var(--v2-surface-2);height:40px;color:var(--v2-ink-3);font:600 14px var(--v2-font);cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;padding:0;display:flex}.app-v2 .pm-q.answered{color:#1a1520;background:#d6d4de}.app-v2 .pm-q.paper{border:1px dashed var(--v2-line-strong);background:0 0}.app-v2 .pm-q.here{border:2px solid var(--v2-ink);color:var(--v2-ink);background:0 0}.app-v2 .pm-q.flagged{box-shadow:inset 0 -4px 0 var(--v2-slip)}.pm-key{align-items:center;gap:8px;display:flex}.pm-key .pm-q{cursor:default;border-radius:3px;width:14px;height:14px}.pm-tools{flex-wrap:wrap;gap:6px;display:flex}.app-v2 .pm-key-btn{border:1px solid var(--v2-line-strong);background:var(--v2-surface-2);min-width:44px;min-height:40px;color:var(--v2-ink);font:500 17px var(--v2-maths);cursor:pointer;border-radius:10px;padding:0 10px}.pm-line{border-radius:14px;align-items:flex-start;gap:10px;padding:8px 8px 6px;display:flex}.pm-line:focus-within{background:var(--v2-surface-2)}.pm-n{font:600 13px var(--v2-font);color:var(--v2-ink-4);text-align:right;flex:0 0 22px;padding-top:12px}.app-v2 .pm-input{letter-spacing:.01em;width:100%;font-size:16px}.pm-preview{font:400 20px var(--v2-maths);color:var(--v2-ink-2);flex-direction:column;gap:2px;padding:2px 12px;display:flex;overflow-x:auto}.v2-step-preview.cont{padding-left:1.2em}.app-v2 .pm-del{width:44px;height:44px;color:var(--v2-ink-4);cursor:pointer;background:0 0;border:none;border-radius:10px;flex:none}.app-v2 .pm-add{min-height:44px;color:var(--v2-ink);font:600 14px var(--v2-font);cursor:pointer;background:0 0;border:1.5px dashed #5c5a67;border-radius:12px;align-self:flex-start;align-items:center;gap:8px;padding:0 14px;display:inline-flex}.pm-nav{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding-top:4px;display:flex}.pm-dialog-back{z-index:60;background:#08080ab3;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.pm-dialog{flex-direction:column;gap:16px;width:100%;max-width:480px;display:flex}.app-v2 .pm-narrow,.pm-keypad{display:none}@media (max-width:760px){.pm-wide,.pm-grid{display:none!important}.app-v2 .pm-narrow{display:inline}.app-v2 button.pm-narrow{display:inline-flex}.pm-header-in{gap:12px;padding:12px 16px}.app-v2 .pm-exit{width:44px;padding:0}.pm-main{gap:12px;padding:12px 16px 360px}.pm-question{gap:10px;padding:14px;position:static}.pm-qbody:not(.open){max-height:72px;overflow:hidden;-webkit-mask-image:linear-gradient(#000 40%,#0000);mask-image:linear-gradient(#000 40%,#0000)}.pm-working{padding:14px}.pm-tools{display:none}.pm-keypad{z-index:40;padding:10px 8px calc(14px + env(safe-area-inset-bottom));background:var(--v2-surface);border-top:1px solid var(--v2-line);flex-direction:column;gap:8px;display:flex;position:fixed;bottom:0;left:0;right:0}.pm-keypad-sym{grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;display:grid}.pm-keypad-main{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;display:grid}.app-v2 .pm-keypad button{background:var(--v2-surface-3);height:44px;color:var(--v2-ink);font:500 19px var(--v2-maths);border:none;border-radius:9px;justify-content:center;align-items:center;display:flex}.app-v2 .pm-keypad-main button{height:48px}.app-v2 .pm-keypad button.digit{color:#f2f0ea;font:600 22px var(--v2-font);background:#3a3944}.app-v2 .pm-keypad button.gold{background:var(--v2-gold);color:var(--v2-on-gold);font:700 15px var(--v2-font)}}