:root{color-scheme:light;--ink:#183c36;--muted:#546c65;--paper:#f5f4ed;--line:#c8d2c9;--accent:#d6ee78}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #627c13;outline-offset:4px}.top{max-width:1440px;margin:auto;padding:26px 36px;display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);font-size:13px}.brand{font-weight:850;text-decoration:none;letter-spacing:1px}.brand span{font-weight:500;letter-spacing:0}.intro,.workspace,.guide,.closing,footer{max-width:1368px;margin:auto;padding:48px 36px}.intro{padding-top:62px;padding-bottom:26px}.eyebrow{font-size:12px;font-weight:750;letter-spacing:1.8px;margin:0 0 18px}h1{font-size:clamp(36px,5vw,70px);line-height:1.07;letter-spacing:-2.6px;font-weight:650;margin:0 0 24px;max-width:1000px}h2{font-size:clamp(24px,3vw,35px);letter-spacing:-.7px;line-height:1.2;margin:0}h3,h4{margin:0 0 12px;line-height:1.3}h3{font-size:18px}h4{font-size:14px}.lead{font-size:20px;max-width:840px;color:var(--muted);margin:0 0 26px}.notice{padding:19px 22px;background:#e9eddc;border-left:4px solid #718937;font-size:14px;max-width:1100px}.section-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:25px}.pill{font-size:12px;border:1px solid var(--line);border-radius:30px;padding:8px 14px;white-space:nowrap}.workspace{padding-top:30px}.scenarios{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}button{cursor:pointer;border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:7px;padding:12px 15px;font-weight:650;font-size:14px;transition:background .15s}button:hover{background:#e3e9d8}button:disabled{opacity:.48;cursor:not-allowed}.scenarios button{padding:13px 10px;text-align:left;font-size:13px;line-height:1.4;min-height:66px}.scenarios button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}.scenario-description{min-height:26px;color:var(--muted);font-size:14px}.panels{display:grid;grid-template-columns:1.15fr 1fr 1fr;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fffef9}.panel{padding:24px;min-width:0}.panel+.panel{border-left:1px solid var(--line)}.panel-title{display:flex;gap:12px;align-items:center;margin-bottom:22px}.panel-title span{font-size:12px;display:grid;place-items:center;width:29px;height:29px;border:1px solid var(--line);border-radius:50%}.panel-title h3{margin:0}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f0f1e9;padding:16px;border-radius:6px;font:12px/1.65 ui-monospace,Consolas,monospace;margin:0 0 24px}dl{font-size:13px;margin:0 0 20px}dt{font-weight:700}dd{margin:2px 0 9px;overflow-wrap:anywhere;color:var(--muted)}fieldset{border:1px solid var(--line);border-radius:6px;padding:14px;font-size:13px}legend{font-size:12px;font-weight:700;padding:0 5px}label{display:block;margin:8px 0}input{accent-color:var(--ink);vertical-align:middle;margin-right:6px}select{display:block;width:100%;padding:9px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:13px}#decision{padding:18px;background:#edf1e6;border-radius:7px}#decision p{font-size:14px;margin:0}#decision[data-status=blocked],#decision[data-status=conflict],#decision[data-status=review],#decision[data-status=retry]{background:#fff0d8;color:#69430a}.checks{list-style:none;padding:0;font-size:13px}.checks li{padding:9px 0;border-bottom:1px solid #e6e9df}.checks li::before{content:'✓ ';font-weight:800;color:#35634b}.checks li.fail::before{content:'! 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