:root{--ink: #0b1016;--ink-2: #0e151e;--graphite: #121a24;--graphite-hi: #16212e;--hairline: #223042;--hairline-soft: #1a2531;--text-hi: #eaf1f8;--text-mid: #b4c1d0;--text-lo: #7e8da0;--copper: #e08a4b;--copper-hi: #f2a96a;--copper-glow: rgba(224, 138, 75, .22);--mint: #4fd6a6;--sky: #5aa9e6;--alert: #e85c4a;--r-lg: 22px;--r-md: 16px;--r-sm: 12px;--gutter: 20px;--maxw: 460px;--shadow-card: 0 1px 0 rgba(255, 255, 255, .03) inset, 0 8px 30px rgba(0, 0, 0, .35);--font-display: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font-body);color:var(--text-hi);background:radial-gradient(120% 80% at 50% -10%,rgba(224,138,75,.1),transparent 55%),radial-gradient(100% 60% at 100% 0%,rgba(90,169,230,.06),transparent 50%),var(--ink);background-attachment:fixed;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.app{max-width:var(--maxw);margin:0 auto;min-height:100%;padding:calc(env(safe-area-inset-top) + 8px) var(--gutter) 108px;position:relative}.topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 0 18px}.topbar .brand{display:flex;align-items:center;gap:10px}.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(145deg,var(--copper-hi),#b5692f);display:grid;place-items:center;box-shadow:0 4px 14px var(--copper-glow)}.brand-mark svg{width:17px;height:17px}.brand-name{font-family:var(--font-display);font-weight:600;letter-spacing:-.3px;font-size:17px}.link-pill{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--text-mid);background:var(--graphite);border:1px solid var(--hairline);padding:6px 11px;border-radius:999px}.dot{width:7px;height:7px;border-radius:50%;background:var(--text-lo)}.dot.ok{background:var(--mint);box-shadow:0 0 10px var(--mint)}.dot.off{background:var(--alert)}h1.screen{font-family:var(--font-display);font-weight:600;font-size:32px;letter-spacing:-1px}.screen-sub{color:var(--text-lo);font-size:13px;margin-top:2px}.section-h{display:flex;align-items:baseline;justify-content:space-between;margin:28px 2px 12px}.section-h h2{font-family:var(--font-display);font-weight:500;font-size:18px;letter-spacing:-.3px}.section-h .trail{font-size:11px;color:var(--text-lo);letter-spacing:.3px}.card{background:linear-gradient(180deg,rgba(255,255,255,.015),transparent),var(--graphite);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:18px;box-shadow:var(--shadow-card)}.card.raised{background:var(--graphite-hi)}.card.flush{padding:0;overflow:hidden}.metrics{display:flex;justify-content:space-between;gap:10px}.metric .v{font-family:var(--font-display);font-weight:600;font-size:22px;letter-spacing:-.5px}.metric .l{color:var(--text-lo);font-size:11px;margin-top:2px;letter-spacing:.2px}.kv{display:flex;justify-content:space-between;align-items:center;padding:9px 0}.kv+.kv{border-top:1px solid var(--hairline-soft)}.kv .k{color:var(--text-lo);font-size:13px}.kv .val{font-family:var(--font-display);font-weight:500;font-size:15px}.chips{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.chip{background:var(--graphite);border:1px solid var(--hairline);border-radius:var(--r-md);padding:14px;cursor:pointer;transition:border-color .18s,background .18s,transform .08s;text-align:left}.chip:active{transform:scale(.98)}.chip .ico{width:22px;height:22px;color:var(--text-mid)}.chip .cl{font-size:13px;font-weight:600;margin-top:10px;color:var(--text-mid)}.chip .cs{font-size:11px;margin-top:2px;color:var(--text-lo)}.chip.on{border-color:color-mix(in srgb,var(--accent, var(--copper)) 55%,transparent);background:color-mix(in srgb,var(--accent, var(--copper)) 12%,var(--graphite))}.chip.on .ico,.chip.on .cs{color:var(--accent, var(--copper))}.chip.on .cl{color:var(--text-hi)}.btn{width:100%;border:none;border-radius:999px;padding:15px;font-family:var(--font-body);font-weight:600;font-size:15px;cursor:pointer;transition:filter .15s,transform .08s}.btn:active{transform:scale(.99)}.btn.primary{background:linear-gradient(180deg,var(--copper-hi),var(--copper));color:var(--ink)}.btn.ghost{background:var(--graphite);color:var(--copper);border:1px solid var(--hairline)}.btn.danger{background:color-mix(in srgb,var(--alert) 16%,var(--graphite));color:var(--alert)}.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:11px 0}.toggle-row+.toggle-row{border-top:1px solid var(--hairline-soft)}.toggle-row .tl{font-size:14px;color:var(--text-mid)}.switch{width:46px;height:27px;border-radius:999px;background:var(--graphite);border:1px solid var(--hairline);position:relative;cursor:pointer;transition:background .18s,border-color .18s;flex:none}.switch .knob{position:absolute;top:2px;left:2px;width:21px;height:21px;border-radius:50%;background:var(--text-lo);transition:transform .18s,background .18s}.switch.on{background:var(--copper);border-color:var(--copper)}.switch.on .knob{transform:translate(19px);background:var(--ink)}.field{margin-top:12px}.field label{display:block;font-size:12px;color:var(--text-lo);margin-bottom:6px}.field input{width:100%;background:var(--ink-2);border:1px solid var(--hairline);color:var(--text-hi);border-radius:var(--r-sm);padding:12px 13px;font-size:14px;font-family:var(--font-body);outline:none;transition:border-color .15s}.field input:focus{border-color:var(--copper)}.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.nav{position:fixed;bottom:0;left:0;right:0;max-width:var(--maxw);margin:0 auto;background:#0e151edb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--hairline-soft);display:grid;grid-template-columns:repeat(5,1fr);padding:8px 8px calc(env(safe-area-inset-bottom) + 8px)}.nav button{background:none;border:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 0;color:var(--text-lo);transition:color .15s}.nav button.active{color:var(--copper)}.nav button svg{width:23px;height:23px}.nav button span{font-size:10.5px;font-weight:500}.banner{display:flex;gap:10px;align-items:center;padding:12px 14px;border-radius:var(--r-md);font-size:13px}.banner.warn{background:color-mix(in srgb,var(--alert) 12%,var(--graphite));border:1px solid color-mix(in srgb,var(--alert) 35%,transparent);color:var(--text-hi)}.banner.info{background:color-mix(in srgb,var(--sky) 10%,var(--graphite));border:1px solid color-mix(in srgb,var(--sky) 28%,transparent)}.gauge-wrap{display:grid;place-items:center;padding:8px 0 4px}.gauge-center{position:absolute;display:grid;place-items:center;text-align:center}.gauge-num{font-family:var(--font-display);font-weight:600;font-size:62px;line-height:1;letter-spacing:-2px}.gauge-unit{font-size:20px;color:var(--text-lo);font-weight:500}.gauge-cap{font-size:12.5px;font-weight:600;margin-top:8px;letter-spacing:.2px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stack{display:grid;gap:12px}.cam-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.cam{aspect-ratio:16 / 10;border-radius:var(--r-md);border:1px solid var(--hairline);background:linear-gradient(145deg,#0c1219,#0a0f15);display:grid;place-items:center;position:relative;overflow:hidden;color:var(--text-lo)}.cam .label{position:absolute;bottom:8px;left:10px;font-size:11px;color:var(--text-mid);font-weight:600;letter-spacing:.3px}.cam .scan{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(transparent,#e08a4b0d)}.flow{display:flex;align-items:center;justify-content:space-between;gap:8px}.flow .node{text-align:center;flex:1}.flow .node .fv{font-family:var(--font-display);font-weight:600;font-size:17px}.flow .node .fl{font-size:10.5px;color:var(--text-lo);margin-top:2px}.flow .wire{height:2px;flex:1.2;background:linear-gradient(90deg,var(--hairline),var(--copper),var(--hairline));border-radius:2px;position:relative;overflow:hidden}.flow .wire.live:after{content:"";position:absolute;top:0;left:-40%;width:40%;height:100%;background:linear-gradient(90deg,transparent,var(--copper-hi),transparent);animation:slide 1.8s linear infinite}@keyframes slide{to{left:120%}}.muted{color:var(--text-lo)}.fade-in{animation:fade .4s ease both}@keyframes fade{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}.btn-primary,.btn-ghost{display:block;width:100%;text-align:center;text-decoration:none;border-radius:999px;padding:14px;margin-top:14px;cursor:pointer;font-family:var(--font-body);font-weight:600;font-size:15px;transition:filter .15s,transform .08s}.btn-primary{border:none;background:linear-gradient(180deg,var(--copper-hi),var(--copper));color:var(--ink)}.btn-ghost{background:var(--graphite);color:var(--copper);border:1px solid var(--hairline)}.btn-ghost.danger{color:var(--alert)}.btn-primary:active,.btn-ghost:active{transform:scale(.99)}.btn-primary:focus-visible,.btn-ghost:focus-visible,.model-pill:focus-visible,.swatch:focus-visible,.link-btn:focus-visible,.section-toggle:focus-visible,.hotspot-card:focus-visible{outline:2px solid var(--copper-hi);outline-offset:3px}.wide{margin-top:18px}.link-btn{background:none;border:none;padding:0;color:var(--copper);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}.section-toggle{display:block;margin:28px auto 12px;background:none;border:none;color:var(--text-lo);font:600 13px var(--font-body);cursor:pointer;padding:8px 12px}.lede{font-size:15px;line-height:1.55;margin-top:10px;max-width:36ch}.center-screen{display:flex;flex-direction:column;justify-content:center;min-height:100vh;padding-bottom:40px}.pair-mark{width:64px;height:64px;border-radius:20px;margin-bottom:26px;background:radial-gradient(circle at 30% 30%,var(--copper-hi),var(--copper));box-shadow:0 0 0 10px var(--copper-glow);animation:pair-pulse 1.8s ease-in-out infinite}@keyframes pair-pulse{50%{box-shadow:0 0 0 18px transparent}}.welcome-title{font-size:38px;line-height:1.05;margin-top:36px;max-width:12ch}.steps{list-style:none;counter-reset:step;margin-top:28px;display:grid;gap:14px}.steps li{counter-increment:step;position:relative;padding-left:58px}.steps li:before{content:counter(step);position:absolute;left:18px;top:18px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font:600 13px var(--font-display);color:var(--ink);background:var(--copper)}.step-title{font:600 17px var(--font-display);margin-bottom:6px}.steps p{font-size:14px;line-height:1.5}.hero-car{position:relative;margin:6px calc(var(--gutter) * -1) 0}.car-stage{width:100%;cursor:grab}.car-stage:active{cursor:grabbing}.car-stage canvas{display:block}.stage-wrap{margin:10px calc(var(--gutter) * -1) 4px}.car-fallback{display:grid;place-content:center;text-align:center;gap:6px}.car-fallback-name{font:600 22px var(--font-display)}.hero-soc{position:absolute;left:var(--gutter);bottom:14px;display:flex;flex-direction:column;pointer-events:none}.hero-soc-v{font:600 44px/1 var(--font-display);letter-spacing:-1.5px}.hero-soc-v small{font-size:18px;color:var(--text-lo);margin-left:2px}.hero-soc-l{font-size:13px;color:var(--text-mid);margin-top:4px}.hero-hint{position:absolute;right:var(--gutter);bottom:18px;font-size:11px;color:var(--text-lo);max-width:15ch;text-align:right;pointer-events:none}.hotspot-card{position:absolute;right:var(--gutter);bottom:12px;max-width:60%;display:flex;flex-direction:column;gap:3px;text-align:left;cursor:pointer;padding:11px 14px;border-radius:var(--r-md);border:1px solid var(--hairline);background:color-mix(in srgb,var(--graphite-hi) 88%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--text-hi);font-family:var(--font-body);animation:hotspot-in .18s ease-out}@keyframes hotspot-in{0%{opacity:0;transform:translateY(6px)}}.hotspot-title{font:600 14px var(--font-display)}.hotspot-body{font-size:12px;color:var(--text-mid)}.setup-label{font-size:12px;color:var(--text-lo);margin:18px 0 10px}.model-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin:0 calc(var(--gutter) * -1);padding-left:var(--gutter);padding-right:var(--gutter);scrollbar-width:none}.model-row::-webkit-scrollbar{display:none}.model-pill{flex:none;display:flex;flex-direction:column;align-items:flex-start;gap:2px;padding:10px 14px;border-radius:var(--r-sm);cursor:pointer;background:var(--graphite);border:1px solid var(--hairline);color:var(--text-mid);font:600 14px var(--font-body)}.model-pill.on{border-color:var(--copper);color:var(--text-hi);background:var(--graphite-hi)}.model-pill .detected{font-size:10px;font-weight:500;color:var(--mint)}.swatches{display:flex;gap:14px;flex-wrap:wrap}.swatch{width:44px;height:44px;border-radius:50%;cursor:pointer;border:2px solid var(--hairline);box-shadow:inset 0 -6px 12px #00000059,inset 0 4px 8px #ffffff40;transition:transform .12s}.swatch.on{border-color:var(--copper-hi);transform:scale(1.08);box-shadow:0 0 0 4px var(--copper-glow),inset 0 -6px 12px #00000059,inset 0 4px 8px #ffffff40}.color-val{display:inline-flex;align-items:center;gap:8px}.swatch-dot{width:14px;height:14px;border-radius:50%;border:1px solid var(--hairline)}@media (prefers-reduced-motion: reduce){.pair-mark,.hotspot-card{animation:none}.swatch{transition:none}}