@import "https://fonts.googleapis.com/css2?family=Caveat:wght@500;700&family=Patrick+Hand&display=swap";*{box-sizing:border-box}html,body{margin:0;padding:0}#root{min-height:100vh}button{font-family:inherit}:root{--paper:#fdfcf7;--line-blue:#cfe0f2;--margin-red:#f3b8b8;--graphite:#3d4351;--graphite-light:#7a8194;--pencil-red:#d94f3d;--pencil-blue:#2f5fa3;--pencil-purple:#a569bd;--pencil-yellow:#f5d76e;--hand:"Caveat", "Segoe Print", "Bradley Hand", cursive;--hand-body:"Patrick Hand", "Segoe Print", cursive;--sans:"Avenir Next", "Segoe UI", system-ui, sans-serif;--mono:ui-monospace, "SF Mono", Menlo, monospace}body{color:var(--graphite);font-family:var(--sans);background-color:var(--paper);background-image:linear-gradient(90deg, transparent 0 48px, var(--margin-red) 48px 50px, transparent 50px), repeating-linear-gradient(var(--paper) 0 31px, var(--line-blue) 31px 32px);-webkit-font-smoothing:antialiased;margin:0}.app{flex-direction:column;min-height:100vh;display:flex}.hero{padding:44px 32px 8px}.hero-inner{max-width:1100px;margin:0 auto}.hero h1{font-family:var(--hand);color:var(--pencil-red);margin:0;font-size:clamp(46px,7vw,72px);font-weight:700;line-height:1;display:inline-block;transform:rotate(-1.2deg)}.hero-sub{font-family:var(--hand-body);color:var(--pencil-blue);margin:6px 0 14px;font-size:clamp(17px,2.4vw,22px);transform:rotate(-.4deg)}.hero-sub code{font-family:var(--mono);background:#fff3c4;border-radius:4px;padding:0 5px;font-size:.8em}.hero-legend{font-family:var(--hand-body);color:var(--graphite-light);flex-wrap:wrap;gap:8px 18px;font-size:15px;display:flex}.legend-chip{align-items:center;gap:6px;display:inline-flex}.legend-swatch{border-radius:50%;width:14px;height:14px;display:inline-block}.legend-chip.dim{font-family:var(--mono);font-size:12px}.filters{flex-wrap:wrap;gap:10px;width:100%;max-width:1100px;margin:0 auto;padding:14px 32px;display:flex}.chip{color:var(--pencil-blue);font-family:var(--hand-body);cursor:pointer;background:0 0;border:2px solid #0000;border-radius:255px 15px 225px/15px 225px 15px 255px;padding:2px 10px;font-size:16px;transition:all .12s}.chip:hover{border-color:currentColor}.chip.active{border-color:var(--pencil-purple);color:var(--pencil-purple);font-weight:700}.layout{flex:1;grid-template-columns:320px 1fr;align-items:start;gap:28px;width:100%;max-width:1280px;margin:0 auto;padding:10px 32px 56px;display:grid}.question-list{flex-direction:column;gap:2px;max-height:calc(100vh - 40px);padding-right:6px;display:flex;position:sticky;top:16px;overflow-y:auto}.question-list::-webkit-scrollbar{width:5px}.question-list::-webkit-scrollbar-thumb{background:var(--line-blue);border-radius:3px}.q-item{text-align:left;color:var(--graphite);cursor:pointer;font-family:var(--hand-body);background:0 0;border:none;border-radius:8px;align-items:baseline;gap:8px;padding:6px 8px;font-size:15px;line-height:1.35;transition:background .12s;display:flex}.q-item:hover{background:#2f5fa312}.q-item.selected{background:linear-gradient(100deg,#f5d76e8c,#f5d76e59)}.q-num{color:var(--pencil-red);flex-shrink:0;font-weight:700}.q-cat{display:none}.stage{min-width:0}.stage-question{margin-bottom:20px}.stage-question-top{font-family:var(--hand-body);justify-content:space-between;margin-bottom:2px;font-size:14px;display:flex}.stage-cat{color:var(--pencil-purple)}.stage-num{color:var(--graphite-light)}.stage-question h2{font-family:var(--hand);color:var(--graphite);margin:0;font-size:clamp(26px,3.4vw,36px);font-weight:700;line-height:1.15}.panels{grid-template-columns:repeat(auto-fit,minmax(360px,1fr));gap:20px;display:grid}.model-panel{border:2px solid var(--accent);background:#fff;border-radius:255px 18px 225px/18px 225px 18px 255px;overflow:hidden}.model-header{border-bottom:2px dashed var(--accent);justify-content:space-between;align-items:baseline;padding:12px 18px 8px;display:flex}.model-name{font-family:var(--hand);color:var(--accent);font-size:24px;font-weight:700}.model-vendor{color:var(--graphite-light);text-transform:uppercase;letter-spacing:.12em;font-size:11px}.tabs{gap:14px;padding:8px 18px 0;display:flex}.tab{color:var(--graphite-light);font-family:var(--hand-body);cursor:pointer;background:0 0;border:none;border-bottom:3px solid #0000;padding:4px 2px;font-size:15px}.tab.active{color:var(--accent);border-bottom-color:var(--accent)}.chain{padding:14px 18px 18px}.chain-link{padding-left:20px;position:relative}.chain-link:before{content:"";background:repeating-linear-gradient(var(--accent) 0 5px, transparent 5px 10px);opacity:.5;width:2px;position:absolute;top:22px;bottom:0;left:5px}.chain-link:last-child:before{display:none}.chain-node{align-items:center;gap:8px;margin-bottom:6px;margin-left:-20px;display:flex}.chain-dot{background:var(--accent);border-radius:50% 40% 55% 45%;flex-shrink:0;width:12px;height:12px}.chain-label{font-family:var(--hand-body);color:var(--accent);font-size:14px}.chain-body{font-family:var(--hand-body);color:#4c5265;white-space:pre-wrap;word-break:break-word;padding-bottom:14px;font-size:15.5px;line-height:1.55}.chain-body p{margin:0 0 8px}.chain-empty{color:var(--graphite-light);font-family:var(--hand-body);margin:16px 18px;font-size:15px}.final-answer{padding:12px 20px 18px;font-size:14.5px;line-height:1.7}.md h3,.md h4,.md h5{font-family:var(--hand);color:var(--accent);margin:12px 0 4px;font-size:22px}.md p{margin:0 0 10px}.md ul,.md ol{margin:0 0 10px;padding-left:22px}.md li{margin-bottom:4px}.md strong{color:var(--pencil-red)}.md code{background:#fff3c4;border-radius:4px;padding:0 5px;font-size:13px}.math-block{background:var(--paper);border:1px dashed var(--accent);font-family:var(--mono);color:var(--pencil-blue);border-radius:8px;padding:8px 12px;font-size:13px;overflow-x:auto}.model-error{padding:16px 20px}.error-badge{color:var(--pencil-red);font-family:var(--hand-body);margin-bottom:6px;font-size:15px;display:inline-block}.model-error p{color:var(--graphite-light);font-size:14px;line-height:1.6}.model-error code{font-family:var(--mono);color:var(--pencil-red);word-break:break-all;margin-top:8px;font-size:12px;display:block}.footer{text-align:center;color:var(--graphite-light);font-family:var(--hand-body);padding:18px 32px 28px;font-size:14px}@media (width<=900px){.layout{grid-template-columns:1fr}.question-list{max-height:280px;position:static}.panels{grid-template-columns:1fr}}