:root{color-scheme:light;--paper: #f2efe7;--sheet: #fbfaf5;--ink: #171714;--muted: #5b5a52;--hairline: #b7b3a7;--accent: #b83220;--accent-dark: #8e2416;--success: #24613d;--warning: #7a5312;--danger: #9b241a;--serif: Georgia, "Times New Roman", serif;--utility: "Arial Narrow", "Roboto Condensed", Arial, sans-serif;font-family:var(--serif);color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{min-width:320px;background:var(--paper)}body{margin:0;min-width:320px;min-height:100vh;background-color:var(--paper);background-image:radial-gradient(rgb(23 23 20 / 4%) .6px,transparent .7px);background-size:5px 5px;font-size:16px;line-height:1.5}button,input,textarea,select{font:inherit;color:inherit}button,select,input[type=range]{min-height:44px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.48}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.skip-link{position:fixed;z-index:100;left:12px;top:8px;padding:10px 16px;color:var(--sheet);background:var(--ink);transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.app-shell{min-height:100vh}.masthead{display:grid;grid-template-columns:minmax(220px,1fr) minmax(280px,640px) auto;align-items:center;gap:24px;padding:max(16px,env(safe-area-inset-top)) 24px 16px;border-bottom:3px double var(--ink)}.brand-kicker,.section-kicker,.eyebrow,label,.tool-label,.folio,.timecode,.timeline-ruler{font-family:var(--utility);font-size:.75rem;font-weight:700;letter-spacing:.12em;line-height:1.2;text-transform:uppercase}.brand-lockup h1{margin:1px 0 0;font-size:clamp(1.45rem,3vw,2.1rem);font-weight:400;line-height:1}.document-heading{display:grid;grid-template-columns:1fr;gap:4px}.document-heading label{color:var(--muted)}.title-input{width:100%;min-height:44px;padding:6px 2px;border:0;border-bottom:1px solid var(--hairline);border-radius:0;background:transparent;font-family:var(--serif);font-size:1.2rem;font-weight:700}.top-actions,.tool-row,.play-controls,.empty-actions,.inspector-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 14px;border:1px solid var(--ink);border-radius:2px;background:var(--sheet);font-family:var(--utility);font-size:.82rem;font-weight:700;letter-spacing:.04em}.button:hover{background:#e7e3d8}.button:active{transform:translateY(1px)}.button.primary{color:var(--sheet);background:var(--ink)}.button.primary:hover{background:#35352f}.button.accent{color:#fff;background:var(--accent-dark);border-color:var(--accent-dark)}.button.quiet{border-color:transparent;background:transparent}.button.danger{color:var(--danger);border-color:var(--danger)}.icon-button{width:44px;padding:0;font-size:1.2rem}.offline-banner{display:flex;justify-content:center;gap:8px;padding:8px 16px;color:#fff;background:var(--warning);font-family:var(--utility);font-weight:700}.offline-banner[hidden]{display:none}.workspace{display:grid;grid-template-columns:296px minmax(420px,1fr) 280px;min-height:calc(100vh - 177px)}.claims-panel,.inspector-panel{min-width:0;padding:20px 16px}.claims-panel{border-right:1px solid var(--ink)}.inspector-panel{border-left:1px solid var(--ink)}.stage-panel{min-width:0;padding:16px 20px 24px;overflow:hidden}.panel-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:16px}.panel-head h2,.inspector-panel h2{margin:2px 0 0;font-size:1.3rem;font-weight:400}.folio{color:var(--muted);font-variant-numeric:tabular-nums}.invariant-wrap{margin-bottom:20px}.invariant-wrap label{display:block;margin-bottom:6px}textarea,input[type=text],input[type=number],select{width:100%;padding:9px 10px;border:1px solid var(--hairline);border-radius:2px;background:var(--sheet)}textarea{min-height:86px;resize:vertical;line-height:1.45}.claim-list{display:grid;gap:8px;margin:0 0 16px;padding:0;list-style:none}.claim-item button{display:grid;grid-template-columns:30px 1fr;gap:10px;width:100%;min-height:64px;padding:10px;text-align:left;border:1px solid transparent;border-top-color:var(--hairline);background:transparent}.claim-item button:hover{background:#fbfaf5b3}.claim-item button[aria-current=step]{border-color:var(--accent);background:var(--sheet)}.claim-no{color:var(--accent-dark);font-family:var(--utility);font-size:.8rem;font-weight:700}.claim-title{display:block;font-size:.98rem;font-weight:700;line-height:1.25}.claim-time{display:block;margin-top:4px;color:var(--muted);font-family:var(--utility);font-size:.75rem;font-variant-numeric:tabular-nums}.empty-claims{margin:18px 0;color:var(--muted);font-style:italic}.local-note{margin:14px 0 0;color:var(--muted);font-family:var(--utility);font-size:.78rem}.local-note a{color:var(--accent-dark)}.stage-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:12px}.stage-head h2{margin:2px 0 0;font-size:1.5rem;font-weight:400}.tool-row{justify-content:end}.canvas-shell{position:relative;width:100%;aspect-ratio:5 / 3;min-height:360px;overflow:hidden;border:1px solid var(--ink);background-color:var(--sheet);background-image:linear-gradient(rgb(23 23 20 / 4%) 1px,transparent 1px),linear-gradient(90deg,rgb(23 23 20 / 4%) 1px,transparent 1px);background-size:32px 32px;box-shadow:8px 8px #d9d5c9;touch-action:auto}.canvas-shell:before,.canvas-shell:after{position:absolute;z-index:3;width:22px;height:22px;content:"";pointer-events:none}.canvas-shell:before{top:8px;left:8px;border-top:1px solid var(--ink);border-left:1px solid var(--ink)}.canvas-shell:after{right:8px;bottom:8px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink)}.arrow-layer{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.arrow-path{fill:none;stroke:var(--ink);stroke-width:1.6;vector-effect:non-scaling-stroke}.arrow-path.is-active{stroke:var(--accent);stroke-width:3}.arrow-hit{fill:none;stroke:transparent;stroke-width:14;pointer-events:stroke;cursor:pointer}.arrow-label{fill:var(--muted);font-family:var(--utility);font-size:2.4px;font-weight:700;letter-spacing:.04em;text-anchor:middle}.arrow-label.is-active{fill:var(--accent-dark)}.canvas-node{position:absolute;z-index:2;display:grid;place-items:center;transform:translate(-50%,-50%);border:2px solid var(--ink);color:var(--ink);background:var(--sheet);box-shadow:4px 4px #17171424;-webkit-user-select:none;user-select:none;touch-action:none}.canvas-node.card{width:136px;min-height:76px;padding:12px;font-weight:700;text-align:center}.canvas-node.number{width:68px;height:68px;border-radius:50%;font-family:var(--utility);font-size:1.65rem;font-weight:700;font-variant-numeric:tabular-nums}.canvas-node:hover{border-color:var(--accent-dark)}.canvas-node.is-selected{outline:3px double var(--accent);outline-offset:5px}.canvas-node.is-active{border-color:var(--accent);color:var(--accent-dark);box-shadow:6px 6px #b832202e}.canvas-node.is-future{opacity:.22}.canvas-empty{position:absolute;inset:0;z-index:4;display:grid;grid-template-columns:minmax(190px,1fr) minmax(220px,.9fr);align-items:center;gap:24px;padding:clamp(20px,4vw,48px);background:var(--sheet)}.canvas-empty[hidden]{display:none}.canvas-empty img{display:block;width:100%;height:auto;border:1px solid var(--hairline);filter:saturate(.8) contrast(1.04)}.canvas-empty h3{margin:4px 0 10px;font-size:clamp(1.5rem,3vw,2.5rem);font-weight:400;line-height:1.05}.canvas-empty p{max-width:40ch;margin:0 0 16px}.canvas-caption{display:flex;justify-content:space-between;gap:16px;margin-top:16px;color:var(--muted);font-family:var(--utility);font-size:.8rem}.canvas-caption strong{color:var(--ink)}.inspector-empty{padding:24px 0;color:var(--muted);font-style:italic}.field{display:grid;gap:6px;margin:0 0 14px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.target-chip{display:inline-block;padding:5px 8px;color:var(--sheet);background:var(--ink);font-family:var(--utility);font-size:.78rem}.help{margin:4px 0 16px;color:var(--muted);font-size:.85rem}.danger-zone{margin-top:24px;padding-top:16px;border-top:1px solid var(--hairline)}.proof-strip{position:sticky;z-index:10;bottom:0;display:grid;grid-template-columns:minmax(280px,410px) 1fr;gap:20px;padding:12px 20px max(12px,env(safe-area-inset-bottom));border-top:3px double var(--ink);background:#f2efe7f5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.play-controls{flex-wrap:nowrap}.timecode{min-width:76px;font-variant-numeric:tabular-nums}.scrubber{width:100%;accent-color:var(--accent-dark)}.timeline{display:flex;align-items:stretch;min-height:52px;overflow-x:auto;border-left:1px solid var(--ink)}.timeline-empty{align-self:center;padding-left:16px;color:var(--muted);font-style:italic}.timeline-block{min-width:92px;min-height:52px;padding:5px 8px;overflow:hidden;text-align:left;border:0;border-right:1px solid var(--hairline);border-bottom:4px solid var(--ink);background:transparent;font-family:var(--utility);font-size:.72rem}.timeline-block.is-current{color:var(--accent-dark);border-bottom-color:var(--accent);background:var(--sheet)}.timeline-block span{display:block;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.timeline-block small{color:var(--muted);font-variant-numeric:tabular-nums}.dialog{width:min(480px,calc(100% - 32px));padding:0;border:2px solid var(--ink);border-radius:2px;color:var(--ink);background:var(--sheet);box-shadow:12px 12px #17171440}.dialog::backdrop{background:#17171499}.dialog-form{padding:24px}.dialog h2{margin:0 0 6px;font-weight:400}.dialog-actions{display:flex;justify-content:end;gap:8px;margin-top:20px}.toast{position:fixed;z-index:80;right:16px;bottom:88px;max-width:min(420px,calc(100% - 32px));padding:12px 16px;color:#fff;background:var(--success);font-family:var(--utility);box-shadow:4px 4px #17171440}.toast.error{background:var(--danger)}.toast[hidden]{display:none}.legal-page{max-width:760px;margin:0 auto;padding:48px 24px 80px}.legal-page h1{font-size:clamp(2.5rem,7vw,4.5rem);line-height:.95;font-weight:400}.legal-page h2{margin-top:40px}.legal-page a{color:var(--accent-dark)}.legal-back{font-family:var(--utility);font-weight:700}@media(max-width:1050px){.masthead{grid-template-columns:1fr 1.5fr}.top-actions{grid-column:1 / -1;justify-content:flex-end}.workspace{grid-template-columns:270px minmax(400px,1fr)}.inspector-panel{grid-column:1 / -1;border-top:1px solid var(--ink);border-left:0}.inspector-content{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px}}@media(max-width:720px){.masthead{grid-template-columns:1fr;gap:14px;padding-inline:16px}.top-actions{grid-column:auto;justify-content:stretch}.top-actions .button{flex:1}.workspace{display:block}.claims-panel,.inspector-panel,.stage-panel{padding:18px 16px;border:0;border-bottom:1px solid var(--ink)}.stage-panel{overflow-x:auto}.stage-head{align-items:start;flex-direction:column}.tool-row{justify-content:start}.canvas-shell{width:680px;min-height:408px}.canvas-empty{grid-template-columns:1fr 1fr}.proof-strip{position:relative;grid-template-columns:1fr;padding-inline:16px}.inspector-content{display:block}.toast{bottom:20px}}@media(max-width:480px){.canvas-empty{grid-template-columns:1fr}.canvas-empty img{display:none}.field-row{grid-template-columns:1fr}.button .optional-label{display:none}}@media(prefers-reduced-motion:no-preference){.button,.canvas-node,.timeline-block,.toast{transition:color .18s ease,background-color .18s ease,border-color .18s ease,opacity .18s ease,transform .18s ease}.canvas-node.is-active{animation:claim-enter .28s ease-out both}@keyframes claim-enter{0%{opacity:.35;transform:translate(-50%,calc(-50% + 10px))}}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media print{.top-actions,.tool-row,.proof-strip,.button,.offline-banner{display:none!important}.workspace{display:grid;grid-template-columns:260px 1fr}.inspector-panel{display:none}.canvas-shell{box-shadow:none}}