:root{--bg:#040d14;--bg-2:#07151f;--surface:#0b1d2a;--surface-2:#0f2635;--border:#173449;--text:#e4f1f6;--muted:#93aebb;--blue:#7dd3fc;--green:#4ade9b;--grad:linear-gradient(120deg, #38bdf8 0%, #34d399 100%);--good:#4ade9b;--warn:#fbbf24;--bad:#f87171;--band-comfortable:#4ade9b29;--band-adaptable:#bee66e1f;--band-challenging:#fbbf241f;--band-extreme:#f871711f;--radius:14px;--font-display:"Fraunces", Georgia, serif;--font-body:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:before,:after{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.55}h1,h2,h3{font-family:var(--font-display);letter-spacing:-.01em;margin:0;font-weight:600}p{margin:0}a{color:var(--blue)}:focus-visible{outline:2px solid 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var(--font-body);border-radius:8px;padding:8px 10px}select{padding-right:28px}.layout{grid-template-columns:340px minmax(0,1fr);gap:20px;max-width:1500px;margin:0 auto;padding:20px 24px 32px;display:grid}.controls{scrollbar-width:thin;align-self:start;max-height:calc(100vh - 32px);padding-right:6px;position:sticky;top:16px;overflow-y:auto}.preset-description{color:var(--muted);background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--green);border-radius:10px;margin-bottom:14px;padding:12px 14px;font-size:13.5px}.group{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin:0 0 14px;padding:6px 16px 14px}.group legend{letter-spacing:.1em;text-transform:uppercase;color:var(--green);padding:0 6px;font-size:12px;font-weight:600}.control{border-bottom:1px solid color-mix(in srgb, var(--border) 60%, transparent);padding:10px 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summary{cursor:pointer;align-items:center;gap:10px;list-style:none;display:flex}.method summary::-webkit-details-marker{display:none}.method summary:after{content:"+";color:var(--green);margin-left:auto;font-size:20px}.method[open] summary:after{content:"−"}.method-body{color:var(--muted);margin-top:12px;font-size:14px}.method-body ul{margin:10px 0;padding-left:18px}.method-body li{margin-bottom:6px}.method-body strong,.method-body em{color:var(--text)}.method-body h3{color:var(--text);margin-top:16px;font-size:16px}.caveat{margin-top:12px;font-size:13px}.footer{text-align:center;color:var(--muted);padding:8px 24px 32px;font-size:13px}@media (prefers-reduced-motion:reduce){.current-halo{animation:none}}@media (width<=1000px){.layout{grid-template-columns:1fr}.controls{order:2;max-height:none;padding-right:0;position:static;overflow:visible}.stage{order:1}}@media (width<=600px){.topbar{padding:14px 16px}.layout{padding:16px}.viewport{height:300px}.verdict{flex-direction:column;align-items:flex-start;gap:6px}.metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-value{font-size:20px}}