:root{color-scheme:dark;--bg:#0b1018;--panel:#121a26;--ink:#eef3fa;--muted:#a5b4c9;--line:#2a384a;--accent:#78e2c4;--soft:#192b2b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:var(--accent);text-underline-offset:4px}button,input,textarea,select{font:inherit}a:focus-visible,button:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.nav,main,footer{max-width:1180px;margin:auto}.nav{display:flex;justify-content:space-between;align-items:center;padding:28px 32px;border-bottom:1px solid var(--line);gap:20px}.brand{color:var(--ink);font-size:20px;font-weight:650;text-decoration:none;letter-spacing:-.5px}.brand span,.muted{color:var(--muted)}.nav-link{font-size:14px;text-decoration:none}.hero{padding:64px 32px 44px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:2px;color:var(--accent);margin:0 0 20px}.dot{display:inline-block;height:7px;width:7px;border-radius:50%;background:var(--accent);margin-right:8px}h1{font-size:clamp(44px,6vw,76px);letter-spacing:-3.5px;line-height:1.05;margin:0 0 24px;font-weight:650}.intro{color:var(--muted);font-size:18px;line-height:1.7}.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.tags span{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:5px 10px}.workspace{display:grid;grid-template-columns:1fr 1fr;margin:0 32px;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--panel)}.input-panel,.output-panel{padding:28px;min-width:0}.input-panel{border-right:1px solid var(--line)}.output-panel{background:linear-gradient(140deg,#14222c,#121a26 65%)}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}h2{font-size:20px;letter-spacing:-.4px;margin:0}.step{font-size:10px;letter-spacing:1.5px;color:var(--muted)}label{display:block;font-size:13px;font-weight:600;margin:18px 0 8px}select,textarea{display:block;width:100%;border:1px solid #40506a;border-radius:7px;color:var(--ink);background:#0d1420;padding:12px}select{font-size:14px}textarea{resize:vertical;min-height:145px}textarea::placeholder{color:#889aaf}.hint{color:var(--muted);font-size:12px;line-height:1.65}.input-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;margin:8px 0 18px;gap:12px}.primary{background:var(--accent);color:#0b2420;border:0;border-radius:7px;font-weight:700;display:flex;justify-content:space-between;align-items:center;width:100%;padding:13px 16px;cursor:pointer}.primary:hover{background:#a2f4dd}.primary:disabled{opacity:.65;cursor:wait}.sample-label{font-size:12px;color:var(--muted);margin:22px 0 10px}.examples{display:flex;flex-wrap:wrap;gap:7px}.examples button{background:#1b2534;color:#d3dfed;border:1px solid var(--line);padding:6px 10px;border-radius:5px;font-size:11px;text-align:left;cursor:pointer;max-width:100%}.examples button:hover{border-color:var(--accent)}.empty{display:flex;min-height:350px;align-items:center;justify-content:center;flex-direction:column;text-align:center}.decision-icon{color:var(--accent);font-size:48px;font-weight:300;border:1px solid #315147;border-radius:16px;height:80px;width:80px;margin-bottom:18px}.empty h3{font-size:20px;font-weight:500;margin:10px 0}.empty p{font-size:13px;color:var(--muted)}.result-label{font-size:10px;letter-spacing:1.5px;color:var(--muted);margin:8px 0}.output-panel h3#route{font-size:32px;line-height:1.2;letter-spacing:-1px;color:var(--accent);margin:6px 0 12px}.override{font-size:12px;color:#eac991;min-height:20px}.metrics{display:flex;justify-content:space-between;gap:16px;margin:25px 0 12px}.metrics span{display:block;font-size:11px;color:var(--muted)}.metrics strong{font-size:26px;letter-spacing:-.5px;font-weight:600}.score-track{height:4px;background:#263845;border-radius:10px;overflow:hidden}.score-track>div{height:100%;background:var(--accent)}.answer-box{border:1px solid #2c4641;border-radius:8px;background:#152724;padding:18px;margin:22px 0}.answer-box p:last-of-type{font-size:14px;margin:8px 0;overflow-wrap:anywhere}.answer-box a{font-size:12px}details{font-size:12px;color:var(--muted)}summary{cursor:pointer}dl{display:grid;grid-template-columns:1fr 1fr;gap:12px}dt,dd{margin:0}dd{color:var(--ink);overflow-wrap:anywhere}.error{color:#ffb6b4;font-size:13px;border-left:3px solid #ffb6b4;padding:8px 12px;margin-bottom:0}.method{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:64px 32px 40px}.method h2{font-size:30px;line-height:1.3;letter-spacing:-1px}.method-copy{font-size:14px;color:var(--muted)}.method-copy p:first-child{margin-top:0}.method-copy strong{color:var(--ink);font-weight:500}.method-copy a{display:inline-block;margin-top:10px;font-size:13px}.boundaries{display:grid;grid-template-columns:1fr 1fr;gap:32px;border-top:1px solid var(--line);margin:0 32px;padding:28px 0 48px}.boundaries h3{font-size:13px;font-weight:600}.boundaries p{font-size:12px;color:var(--muted)}footer{padding:24px 32px;display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);font-size:11px}footer a{text-decoration:none}[hidden]{display:none!important}@media(max-width:700px){.nav{padding:20px}.brand{font-size:17px}.nav-link{font-size:11px}.hero{padding:44px 20px 30px}h1{letter-spacing:-2px}.intro{font-size:15px}.workspace{grid-template-columns:1fr;margin:0 16px}.input-panel,.output-panel{padding:22px}.input-panel{border-right:0;border-bottom:1px solid var(--line)}.empty{min-height:230px}.method{grid-template-columns:1fr;padding:40px 22px;gap:24px}.method h2{font-size:27px}.boundaries{grid-template-columns:1fr;margin:0 22px;gap:12px}footer{padding:20px 22px;flex-wrap:wrap}.metrics strong{font-size:24px}.tags{gap:6px}}