.app{--sidebar-w:248px;--topbar-h:57px;display:grid;grid-template-columns:var(--sidebar-w) 1fr;min-height:100vh;background:var(--colour-page);transition:grid-template-columns .18s cubic-bezier(.22,1,.36,1)}html[data-sidebar-collapsed=true] .app{--sidebar-w:56px}html[data-sidebar-collapsed=true] .app-side{padding:14px 6px;gap:18px;align-items:stretch}html[data-sidebar-collapsed=true] .app-side .wordmark .wordmark-text{display:none}html[data-sidebar-collapsed=true] .app-side .wordmark{justify-content:center;text-align:center;padding:4px 0}html[data-sidebar-collapsed=true] .app-nav a{justify-content:center;padding:10px 6px;gap:0}html[data-sidebar-collapsed=true] .app-allowance,html[data-sidebar-collapsed=true] .app-nav .section-label,html[data-sidebar-collapsed=true] .app-nav a .label-text,html[data-sidebar-collapsed=true] .app-user .who{display:none}html[data-sidebar-collapsed=true] 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(max-width:900px){.app{grid-template-columns:1fr}.app-side{position:static;height:auto;flex-direction:row;align-items:center;gap:14px;padding:10px 14px;border-right:none;border-bottom:1px solid var(--colour-line);overflow-x:auto;overflow-y:visible}.app-side .wordmark{flex-shrink:0}.app-nav{flex-direction:row;gap:2px;flex:none;white-space:nowrap}.app-allowance,.app-nav .section-label,.app-nav a .icon{display:none}.app-user{flex-shrink:0;margin-left:auto}.app-user .who{display:none}.app-body{padding:20px 16px}.app-page-head{flex-direction:column;align-items:flex-start}.app-page-head h1{font-size:28px}}.app-side .wordmark{font-size:22px;padding:4px 6px}.app-nav{flex-direction:column;gap:2px;flex:1}.app-nav,.app-nav a{display:flex;position:relative}.app-nav a{align-items:center;gap:10px;padding:8px 10px;font-size:14px;color:var(--colour-ink-soft);border-radius:4px;transition:background .14s,color .14s;z-index:1}.app-nav 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.sep{color:var(--colour-ink-mute)}.app-search{flex:0 1 320px;display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--colour-line);background:var(--colour-surface);font-size:13px;font-family:inherit;text-align:left;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;border-radius:0;transition:border-color .2s ease-out,background .2s ease-out,color .2s ease-out}.app-search:hover{border-color:var(--colour-ink-mute);background:var(--colour-page);color:var(--colour-ink-soft)}.app-search:focus-visible{outline:2px solid var(--colour-accent);outline-offset:2px}.app-search .icon{width:14px;height:14px;color:currentColor;opacity:.7;flex-shrink:0}.app-search kbd{margin-left:auto;font-family:var(--font-mono);font-size:11px;background:var(--colour-page);border:1px solid var(--colour-line);padding:2px 6px}.app-body{padding:32px;max-width:clamp(720px,96%,1560px);width:100%;margin:0 auto}.app-body.wide{max-width:none}.app-body>.app-page-head,.app-body>.data-grid,.app-body>.panel,.app-body>.stat-row{opacity:0;transform:translateY(10px);animation:app-rise .6s cubic-bezier(.2,.8,.2,1) both}.app-body>.app-page-head{animation-delay:0ms}.app-body>.stat-row{animation-delay:80ms}.app-body>.panel{animation-delay:.16s}.app-body>.panel+.panel{animation-delay:.22s}.app-body>.data-grid{animation-delay:.16s}@keyframes app-rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.ambient-glyph{position:absolute;right:-.06em;bottom:-.22em;font-family:var(--font-display);font-style:italic;font-weight:400;line-height:1;letter-spacing:-.04em;color:var(--colour-ink);opacity:.045;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;z-index:0;transform:translateY(8px);animation:ambient-glyph-in 1.1s cubic-bezier(.2,.8,.2,1) .24s 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18px}.sheet-form,.sheet-head{display:flex;flex-direction:column}.sheet-head{gap:6px}.sheet-title{font-family:var(--font-display);font-size:22px;letter-spacing:-.015em;line-height:1.2;margin:0;color:var(--colour-ink)}.sheet-body{font-family:var(--font-body);font-size:14px;line-height:1.5;color:var(--colour-ink-soft);margin:0;white-space:pre-wrap}.sheet-input{width:100%;font-size:15px;padding:10px 12px}.sheet-actions{display:flex;justify-content:flex-end;gap:8px;border-top:1px solid var(--colour-line);margin-top:4px;padding-top:14px}@media (prefers-reduced-motion:reduce){.sheet-backdrop,.sheet-panel{animation:none;opacity:1;transform:none}}.cmd-palette-footer{display:flex;gap:14px;padding:10px 16px;border-top:1px solid var(--colour-line-soft);background:var(--colour-surface);font-size:10.5px;color:var(--colour-ink-mute);letter-spacing:.04em}.cmd-palette-footer,.cmd-palette-footer kbd{align-items:center;font-family:var(--font-mono)}.cmd-palette-footer 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var(--colour-line)}.ms-section-title{font-family:var(--font-display);font-size:18px;font-weight:500;margin:0}.ms-section-meta{font-family:var(--font-mono);font-size:11px;color:var(--colour-ink-mute);letter-spacing:.06em;text-transform:uppercase}.ms-questions{list-style:none;margin:0;padding:0}.ms-question{padding:20px 0 18px;border-bottom:1px solid var(--colour-line)}.ms-question:last-child{border-bottom:0}.ms-question-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:6px}.ms-question-label{font-family:var(--font-display);font-size:16px;font-weight:500}.ms-question-marks{font-family:var(--font-mono);font-size:11px;color:var(--colour-ink-mute)}.ms-question-text{font-size:14.5px;color:var(--colour-ink-soft);margin-bottom:10px}.ms-parts{list-style:none;margin:6px 0 0;padding:0}.ms-part{margin-top:14px}.ms-part-depth-0{padding-left:0}.ms-part-depth-1{padding-left:22px}.ms-part-depth-2{padding-left:44px}.ms-part-head{display:flex;align-items:baseline;gap:10px;margin-bottom:4px}.ms-part-label{font-family:var(--font-display);font-weight:500;min-width:2.2em}.ms-part-marks{font-family:var(--font-mono);font-size:10.5px;color:var(--colour-ink-mute);letter-spacing:.06em}.ms-part-text{font-size:14px;color:var(--colour-ink-soft);margin-bottom:8px}.ms-scheme{background:var(--colour-surface);border:1px solid var(--colour-line);padding:12px 14px;display:flex;flex-direction:column;gap:10px}.ms-scheme-scale{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--colour-ink-soft)}.ms-scheme-solution{font-size:14px;color:var(--colour-ink)}.ms-scheme-ladder{width:100%;border-collapse:collapse;font-size:13px}.ms-scheme-ladder thead th{text-align:left;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--colour-ink-mute);padding:6px 8px;border-bottom:1px solid var(--colour-line);font-weight:500}.ms-scheme-ladder tbody td{padding:8px;border-bottom:1px solid var(--colour-line);vertical-align:top;color:var(--colour-ink)}.ms-scheme-ladder tbody tr:last-child td{border-bottom:0}.ms-scheme-level{font-family:var(--font-display);font-weight:500;width:30%}.ms-scheme-ladder .ms-scheme-marks{text-align:right;font-family:var(--font-mono);font-size:12px;width:60px}.ms-scheme-missing{font-style:italic;color:var(--colour-ink-mute);font-size:13px}.ms-fallback{max-width:780px;background:var(--colour-surface);border:1px solid var(--colour-line);padding:28px 32px;font-family:var(--font-exam,"Times New Roman",serif);color:var(--colour-ink-soft);font-style:italic;line-height:1.55}.sp-diagram-actions{display:flex;justify-content:flex-end;margin-top:6px}.sp-save-diagram-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--colour-line);background:var(--colour-paper);color:var(--colour-ink-soft);font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;padding:4px 10px;cursor:pointer;transition:border-color .14s,color .14s,background .14s}.sp-save-diagram-btn:hover{border-color:color-mix(in oklab,var(--colour-accent) 45%,var(--colour-line));color:var(--colour-accent-deep);background:color-mix(in oklab,var(--colour-accent) 6%,var(--colour-paper))}.sp-save-diagram-btn:focus-visible{outline:2px solid var(--colour-accent);outline-offset:1px}.sp-save-diagram-btn.is-saved{color:var(--colour-sage-deep);border-color:color-mix(in oklab,var(--colour-sage) 45%,var(--colour-line));background:color-mix(in oklab,var(--colour-sage) 8%,var(--colour-paper));cursor:default}.sp-diagram-fallback{border:1px dashed var(--colour-line);padding:14px 16px;background:var(--colour-surface);font-family:var(--font-mono);max-width:480px}.sp-diagram-fallback-title{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--colour-ink);margin-bottom:4px}.sp-diagram-fallback-body{font-size:12px;color:var(--colour-ink-soft);line-height:1.5}.app-cols{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start}.app-cols.cols-3{grid-template-columns:240px 1fr}.set-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:96px}.set-nav a{display:block;padding:8px 12px;font-size:14px;color:var(--colour-ink-soft);border-left:2px solid transparent}.set-nav a[aria-current=page]{color:var(--colour-ink);border-left-color:var(--colour-accent);font-weight:500}.set-nav a:hover{color:var(--colour-ink)}.set-section{border-bottom:1px solid var(--colour-line);padding:28px 0}.set-section:first-child{padding-top:0}.set-section:last-child{border-bottom:0}.set-section h2{font-family:var(--font-body);font-size:16px;font-weight:500;margin-bottom:4px;letter-spacing:0}.set-section p.lede{color:var(--colour-ink-soft);font-size:14px;margin-bottom:20px;max-width:52ch}.set-row{display:grid;grid-template-columns:1fr 320px;gap:24px;padding:14px 0;align-items:start;border-top:1px solid var(--colour-line-soft)}.set-row:first-of-type{border-top:0}.set-row .rlabel{font-size:14px;color:var(--colour-ink);font-weight:500}.set-row .rdesc{color:var(--colour-ink-soft);font-size:13px;margin-top:2px}.set-row .rcontrol{text-align:left}.set-row .rcontrol .input,.set-row .rcontrol select{width:100%}.paper-shell{display:grid;grid-template-columns:1fr 360px;gap:0;min-height:calc(100vh - 67px)}.paper-canvas{padding:40px 48px 120px;background:var(--colour-surface);border-right:1px solid var(--colour-line);overflow-y:auto}.paper-sheet{max-width:720px;margin:0 auto;background:var(--colour-page);border:1px solid var(--colour-line);padding:56px 64px;min-height:860px}.paper-sheet .school-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1.5px solid var(--colour-ink);padding-bottom:14px;margin-bottom:22px}.paper-sheet .school-head .school{font-family:var(--font-display);font-size:20px;letter-spacing:-.015em}.paper-sheet .school-head .meta{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--colour-ink-soft);text-align:right;line-height:1.6}.paper-sheet h2.paper-title{font-family:var(--font-display);font-size:32px;letter-spacing:-.015em;margin-bottom:4px;font-weight:400}.paper-sheet .paper-sub{font-family:var(--font-mono);font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--colour-ink-soft);margin-bottom:32px}.q{margin-bottom:36px}.q-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}.q-head .q-no{font-family:var(--font-display);font-size:22px;letter-spacing:-.015em}.q-head .q-marks{font-family:var(--font-mono);font-size:12px;color:var(--colour-ink-soft)}.q-stem{font-size:15px;line-height:1.55;margin-bottom:14px;color:var(--colour-ink)}.q-part{display:grid;grid-template-columns:28px 1fr auto;gap:8px 12px;margin-bottom:10px;align-items:start}.q-part .roman{font-family:var(--font-display);font-style:italic;color:var(--colour-ink-soft);font-size:14px}.q-part .ptxt{font-size:14.5px;line-height:1.55}.q-part .pmark{font-family:var(--font-mono);font-size:11px;color:var(--colour-ink-mute)}.q-figure{margin:14px 0;border:1px solid var(--colour-line);padding:8px;background:var(--fig-bg);display:inline-block}.paper-inspector{background:var(--colour-page);padding:24px 24px 40px;overflow-y:auto}.insp-tabs{display:flex;border-bottom:1px solid var(--colour-line);margin-bottom:20px;gap:24px}.insp-tabs button{padding:10px 0;font-size:13px;color:var(--colour-ink-mute);border-bottom:2px solid transparent;margin-bottom:-1px;font-family:var(--font-body)}.insp-tabs button.on{color:var(--colour-ink);border-bottom-color:var(--colour-accent);font-weight:500}.insp-section{margin-bottom:28px}.insp-section h4{font-family:var(--font-body);font-size:13px;font-weight:500;margin-bottom:10px;letter-spacing:0;color:var(--colour-ink)}.insp-section p{font-size:13px;color:var(--colour-ink-soft);line-height:1.5}.chips{display:flex;flex-wrap:wrap;gap:6px}.chip-btn{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;font-size:12px;border:1px solid var(--colour-line);color:var(--colour-ink-soft);background:var(--colour-page);font-family:var(--font-body)}.chip-btn.on{background:var(--colour-accent);color:var(--colour-page);border-color:var(--colour-accent)}.ms-card{border:1px solid var(--colour-line);padding:14px;background:var(--colour-surface);margin-bottom:10px;font-size:13px;line-height:1.55}.ms-card .lbl{font-family:var(--font-mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.14em;color:var(--colour-ink-mute);margin-bottom:6px;display:flex;justify-content:space-between}.ms-card ul{margin:0;padding-left:18px;color:var(--colour-ink-soft)}.ms-card ul li{margin-bottom:4px}.ms-card ul li .m{font-family:var(--font-mono);color:var(--colour-accent-deep);margin-right:6px}.paper-actionbar{display:flex;align-items:center;gap:12px;padding:12px 32px;border-bottom:1px solid var(--colour-line);background:var(--colour-page)}.paper-actionbar .title-edit{font-family:var(--font-display);font-size:18px;letter-spacing:-.015em;color:var(--colour-ink);background:transparent;border:0;padding:4px 6px;border-radius:2px}.paper-actionbar .title-edit:hover{background:var(--colour-surface)}.paper-actionbar .spacer{flex:1}.paper-actionbar .save-state{font-family:var(--font-mono);font-size:11.5px;color:var(--colour-ink-mute);text-transform:uppercase;letter-spacing:.12em}.ic{width:16px;height:16px;stroke:currentColor;stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round}