0,600;0,700;0,800;1,700;1,800&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{color-scheme:light;--bg:#f5f5f3;--panel:#fff;--ink:#141518;--muted:#62646b;--line:#d5d6d8;--soft:#e9e9e7;--red:#d81920;--red-soft:#fce9e9;--phase:#141518}html[data-theme=dark]{color-scheme:dark;--bg:#101114;--panel:#191a1e;--ink:#fafafa;--muted:#aaacb5;--line:#34353b;--soft:#222329;--red:#ff4248;--red-soft:#33191e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px 'Formula 1',sans-serif}button,select,input{font:inherit}button,select,summary{cursor:pointer}button{color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:5px;min-height:40px;padding:9px 14px;font-size:14px;font-weight:600}@media(hover:hover){button:hover{border-color:var(--ink);background:var(--soft)}}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,canvas:focus-visible{outline:2px solid var(--red);outline-offset:4px}header{height:74px;padding:0 4%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font:italic 800 27px 'Formula 1',sans-serif;letter-spacing:.8px;color:var(--ink);text-decoration:none;display:flex;align-items:center}.brand>span:last-child{color:var(--red)}.brand-mark{width:29px;height:23px;margin-right:12px;background:linear-gradient(transparent 0 13%,var(--red) 13% 38%,transparent 38% 54%,var(--red) 54% 79%,transparent 79%);transform:skew(-25deg)}.header-label{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--muted)}.theme{display:flex;align-items:center;gap:8px;font-size:12px;border:0;padding-right:0}.theme span:first-child{font-size:22px}main{max-width:1580px;margin:auto;padding:0 4% 16px}.stage{position:relative;height:clamp(460px,63vh,690px);min-height:460px;border-bottom:1px solid var(--line)}.stage-heading{position:absolute;left:0;right:0;top:29px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;z-index:2}.overline{font-size:10px;font-weight:600;letter-spacing:1.7px;color:var(--muted)}h1{font:italic 800 clamp(43px,5vw,68px)/1 'Formula 1',sans-serif;letter-spacing:1px;margin:8px 0 0;display:flex;align-items:center;gap:14px}.title-line{width:30px;height:5px;background:var(--red);transform:skew(-25deg)}.track-meta{text-align:right;font:600 21px/1.5 'Formula 1';letter-spacing:.5px}.track-meta span{font:500 10px 'Formula 1';color:var(--muted);letter-spacing:1px;margin-left:5px}.canvas-wrap{position:absolute;inset:0 130px;overflow:hidden}canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab}canvas:active{cursor:grabbing}#sceneError{position:absolute;inset:35% 15%;font-size:14px;text-align:center;background:var(--panel);padding:18px;border:1px solid var(--line);border-radius:6px}#sceneError[hidden]{display:none}#markers{position:absolute;inset:0;pointer-events:none}.track-marker{position:absolute;width:28px;height:28px;min-height:0;padding:0;border:1px solid var(--line);border-radius:50%;background:var(--panel);font-size:11px;box-shadow:0 3px 12px #00000015;pointer-events:auto;transform:translate(-50%,-50%)}.track-marker.active{background:var(--red);border-color:var(--red);color:#fff}.gear-hud{position:absolute;left:0;top:44%;transform:translateY(-25%);z-index:2;pointer-events:none}.gear-line{display:flex;align-items:baseline;gap:10px}#gear{font:700 126px/.98 'Formula 1';letter-spacing:-3px;display:block}.gear-unit{font:500 18px 'Formula 1';color:var(--muted)}.phase{display:inline-block;color:var(--red);font-size:10px;letter-spacing:1.3px;font-weight:700;margin-top:12px}.gear-hud h2{font-size:15px;font-weight:600;margin:7px 0;letter-spacing:-.2px}.next-hud{position:absolute;right:0;top:46%;width:158px;z-index:2;pointer-events:none}.next-hud h2{font:600 26px/1.1 'Formula 1';margin:10px 0 12px}.next-data{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted)}.next-data strong{font:600 27px 'Formula 1';color:var(--ink)}.scene-toolbar{position:absolute;bottom:16px;left:0;right:0;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:11px;color:var(--muted);pointer-events:none}.quiet{border:0;font-size:12px;min-height:32px;padding:6px 0;pointer-events:auto}.controls{padding:19px 0 8px}.controls-row{display:flex;align-items:center;justify-content:space-between;gap:20px}.play-group{display:flex;align-items:center;gap:8px}.play{background:var(--ink);border-color:var(--ink);color:var(--bg);min-width:182px}@media(hover:hover){.play:hover{background:var(--red);border-color:var(--red);color:#fff}}.play span{font-size:11px;margin-right:8px}.icon-button{font-size:23px;line-height:1;min-width:40px;padding:6px 10px;font-weight:400}.lap-position{font-size:13px;font-variant-numeric:tabular-nums}.lap-position strong{font-weight:500}.lap-position>span{color:var(--muted)}.speed{display:flex;gap:10px;align-items:center;font-size:12px;color:var(--muted)}select{background:var(--panel);border:1px solid var(--line);color:var(--ink);border-radius:4px;font-size:13px;padding:6px 8px;min-height:32px}input[type=range]{appearance:none;width:100%;height:3px;border-radius:0;background:linear-gradient(to right,var(--red) var(--progress,0%),var(--line) var(--progress,0%));margin:25px 0 16px;cursor:pointer}input[type=range]::-webkit-slider-thumb{appearance:none;width:12px;height:12px;border:2px solid var(--bg);border-radius:50%;background:var(--red);box-shadow:0 0 0 1px var(--red)}input[type=range]::-moz-range-thumb{width:10px;height:10px;border:2px solid var(--bg);border-radius:50%;background:var(--red)}#cornerList{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.corner-card{padding:14px 14px 13px;border-right:1px solid var(--line);position:relative}.corner-card:first-child{padding-left:0}.corner-card:last-child{border-right:0;padding-right:0}.corner-card.active:before{content:'';position:absolute;top:-1px;left:0;right:0;height:2px;background:var(--red)}.corner-card.active h3{color:var(--red)}.corner-card button{border:0;padding:0;text-align:left;width:100%;border-radius:0;min-height:55px}@media(hover:hover){.corner-card button:hover{background:transparent}}.number{font-size:10px;letter-spacing:.8px;color:var(--muted)}.corner-card h3{font:600 22px/1.15 'Formula 1';margin:5px 0 10px}.corner-card label{display:flex;align-items:center;justify-content:space-between;gap:7px;font-size:11px;color:var(--muted)}.corner-card select{border:0;padding:3px 0;background:transparent;font-size:13px;min-height:28px}.help{margin:17px 0;font-size:12px;color:var(--muted);max-width:750px}.help summary{font-weight:500}.help p{line-height:1.6;font-size:14px}footer{display:flex;justify-content:space-between;gap:16px;font-size:10px;color:var(--muted)}footer a{color:var(--muted);text-underline-offset:3px}@media(max-width:1000px){.canvas-wrap{inset:0 100px}.next-hud{width:130px}.next-hud h2{font-size:23px}#gear{font-size:108px}.corner-card h3{font-size:19px}.corner-card{padding:12px 10px}.header-label{display:none}}@media(max-width:700px){header{height:62px}.brand{font-size:24px}.theme{font-size:11px}.stage{height:590px;min-height:0}.stage-heading{top:22px}h1{font-size:47px}.track-meta{font-size:18px}.canvas-wrap{inset:85px 0 120px}.gear-hud{top:auto;bottom:41px;transform:none}.gear-hud .overline{font-size:9px}#gear{font-size:64px;line-height:1}.gear-line{gap:7px}.gear-unit{font-size:13px}.phase{margin-top:4px;font-size:9px}.gear-hud h2{font-size:13px;margin:4px 0}.next-hud{top:auto;bottom:68px;width:140px;text-align:right}.next-hud h2{font-size:22px;margin:6px 0}.next-data{justify-content:flex-end;gap:15px;font-size:11px}.next-data strong{font-size:23px}.scene-toolbar{bottom:10px;font-size:10px}.controls-row{gap:10px;flex-wrap:wrap}.play-group{flex:1}.play{min-width:145px;padding:9px 11px;font-size:12px}.icon-button{min-width:32px;padding:6px}.speed{gap:6px}.speed>span{display:none}.lap-position{order:3;width:100%;font-size:11px;text-align:center;margin-top:4px}#cornerList{grid-template-columns:repeat(3,minmax(0,1fr))}.corner-card{padding:12px!important;border-bottom:1px solid var(--line)}.corner-card:nth-child(3n){border-right:0}.corner-card:nth-child(n+4){border-bottom:0}.corner-card h3{font-size:21px}.help{margin:14px 0}footer{font-size:9px;flex-wrap:wrap}.overline{font-size:9px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* better-ui: consistent surfaces, optical alignment and interruptible states. */
:root{--shadow-border:0px 0px 0px 1px oklch(0 0 0 / .06),0px 1px 2px -1px oklch(0 0 0 / .06),0px 2px 4px 0px oklch(0 0 0 / .04);--shadow-border-hover:0px 0px 0px 1px oklch(0 0 0 / .08),0px 1px 2px -1px oklch(0 0 0 / .08),0px 2px 4px 0px oklch(0 0 0 / .06)}
html[data-theme=dark]{--shadow-border:0 0 0 1px oklch(1 0 0 / .08);--shadow-border-hover:0 0 0 1px oklch(1 0 0 / .13)}
button{-webkit-tap-highlight-color:transparent;transition:background-color 150ms ease-out,color 150ms ease-out,box-shadow 150ms ease-out}button:disabled{opacity:.4;cursor:default}
button svg{width:20px;height:20px;display:block}button svg *{vector-effect:non-scaling-stroke}.icon-button{display:grid;place-items:center;border-radius:6px;padding:8px}.icon-button svg{width:18px;height:18px}
.play-group{padding:4px;border:1px solid var(--line);border-radius:11px;background:var(--panel);gap:4px}.play{display:flex;align-items:center;justify-content:center;gap:9px;border-radius:6px;min-height:40px;padding-left:12px;padding-right:14px}.play span{font-size:14px;margin:0}.play .icon-stack{width:18px;height:18px}.play svg{width:18px;height:18px}.play .icon-default svg{translate:2px 0}.play[aria-pressed=true]{background:var(--red);border-color:var(--red);color:#fff}
.icon-stack{display:grid;place-items:center;width:20px;height:20px;flex-shrink:0}.icon-layer{grid-area:1/1;display:grid;place-items:center;opacity:1;transition:opacity 300ms cubic-bezier(.2,0,0,1)}.icon-active{opacity:0}.play[aria-pressed=true] .icon-default,.theme[aria-pressed=true] .icon-default{opacity:0}.play[aria-pressed=true] .icon-active,.theme[aria-pressed=true] .icon-active{opacity:1}
.theme{border:1px solid transparent;border-radius:7px;box-shadow:var(--shadow-border);padding:8px 10px;gap:8px;background:var(--panel)}.theme span:first-child{font-size:inherit}.quiet{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:6px}.quiet svg{width:16px;height:16px;stroke-width:1.5}
.track-marker{border:1px solid transparent;box-shadow:var(--shadow-border);font-weight:600}.track-marker.active{border-color:var(--red);box-shadow:0 0 0 4px var(--red-soft)}.corner-card button{border-radius:4px}.corner-card select{padding:3px 5px;border:1px solid var(--line);border-radius:4px;min-height:30px}.corner-card.active{background:var(--red-soft)}.corner-card.active:before{height:3px}.corner-card{transition:background-color 100ms ease-out}.phase{border-left:2px solid var(--red);padding-left:7px}
@media(hover:hover){.theme:hover,.track-marker:not(.active):hover{box-shadow:var(--shadow-border-hover);border-color:transparent}.corner-card button:hover h3{color:var(--red)}.quiet:hover{background:var(--soft)}}
@media(prefers-reduced-motion:no-preference){button{transition-property:scale,background-color,color,box-shadow;transition-duration:150ms;transition-timing-function:ease-out}button:not(:disabled):not([data-static]):active{scale:.96}.icon-layer{transition-property:opacity,scale,filter;transition-duration:300ms;transition-timing-function:cubic-bezier(.2,0,0,1)}.icon-active{scale:.25;filter:blur(4px)}.play[aria-pressed=true] .icon-default,.theme[aria-pressed=true] .icon-default{scale:.25;filter:blur(4px)}.play[aria-pressed=true] .icon-active,.theme[aria-pressed=true] .icon-active{scale:1;filter:blur(0)}}
@media(max-width:700px){.play{min-width:141px}.play span{font-size:12px}.quiet{padding:6px}.play-group{flex:initial}}
/* Brand manual reference: Warm Red, Carbon Black, flat surfaces and structural rules. */
:root{--bg:#f7f4f1;--panel:#ffffff;--ink:#15151e;--muted:#5b5b61;--line:#d4d2d0;--soft:#eeebe8;--red:#ff1e00;--red-soft:#ff1e000a}html[data-theme=dark]{--bg:#15151e;--panel:#2c2c34;--ink:#ffffff;--muted:#b8b8bb;--line:#3e3e46;--soft:#2c2c34;--red:#ff1e00;--red-soft:#ff1e0010}header{height:72px;border-bottom:1px solid var(--line);background:transparent;max-width:1440px;margin:auto;padding:0 4%}.brand{font-size:27px}.header-label{font-size:10px;letter-spacing:2px}.theme{box-shadow:none;border:0;background:transparent;border-radius:6px;padding:8px 10px}main{max-width:1440px;padding:0 4% 20px;margin:auto}.stage{height:clamp(460px,60vh,610px);min-height:460px;background:none;border-bottom:1px solid var(--line)}.stage-heading{top:28px}.overline{font-size:11px;letter-spacing:1.3px}h1{font-style:normal;font-size:clamp(54px,6vw,80px);font-weight:700;letter-spacing:-.8px;line-height:1;margin-top:8px}.title-line{width:36px;height:6px;background:var(--red);transform:none;border-radius:0 0 5px 0}.track-meta{font-size:22px}.canvas-wrap{inset:12px 140px 24px}.gear-hud{left:0;top:45%;width:160px;background:none;border:0;padding:0;box-shadow:none;border-radius:0}.gear-hud:before{display:none}#gear{font-style:normal;font-size:128px;color:var(--ink);line-height:1;padding:0}.gear-unit{font-size:18px}.gear-hud .overline{font-size:10px}.phase{border:0;padding:0;font-size:10px;color:var(--red);letter-spacing:1px;margin-top:13px}.gear-hud h2{font-size:15px;margin-top:7px}.next-hud{right:0;top:48%;width:155px;background:none;border:0;border-top:1px solid var(--line);border-radius:0;padding:16px 0 0;box-shadow:none}.next-hud h2{font-size:26px;font-weight:600;margin:9px 0 13px}.next-data strong{background:none;color:var(--ink);padding:0;font-size:27px}.scene-toolbar{left:0;right:0;bottom:15px}.quiet{box-shadow:none;border:0;background:transparent;border-radius:5px}.track-marker{width:27px;height:27px;box-shadow:none;border:1px solid var(--line);background:var(--bg)}.track-marker.active{box-shadow:none;border-color:var(--red);background:var(--red);color:#fff}.controls{margin:0;padding:19px 0 7px;border:0;border-radius:0;background:none}.play-group{padding:0;border:0;background:none;border-radius:0;gap:7px}.play{background:var(--red);border-color:var(--red);color:#fff;border-radius:5px;padding:10px 16px 10px 14px;min-height:42px}.icon-button{box-shadow:none;background:none;border:1px solid var(--line);border-radius:5px;min-width:39px}.lap-position{font-size:13px}.speed select{box-shadow:none;border:1px solid var(--line);background:none;border-radius:4px;padding:6px 8px}input[type=range]{margin:23px 0 16px}.corners{margin-top:0}#cornerList{gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.corner-card{border:0;border-right:1px solid var(--line);border-radius:0;background:none;padding:15px 16px;overflow:visible}.corner-card:first-child{padding-left:0}.corner-card:last-child{border-right:0;padding-right:0}.corner-card.active{background:none}.corner-card.active:before{height:3px;left:0;right:0}.corner-card h3{font-size:23px;font-style:normal;line-height:1.2;margin:5px 0 12px}.corner-card .number{font-size:11px}.corner-card label{font-size:12px}.corner-card select{border:0;background:none;padding:3px 0;min-width:42px}.help{margin:18px 0 13px}.help summary{font-size:12px}footer{font-size:11px}.play[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--bg)}@media(max-width:1000px){.canvas-wrap{inset:15px 115px 25px}.gear-hud{width:140px}#gear{font-size:112px}.next-hud{width:130px}.next-hud h2{font-size:24px}.corner-card{padding:13px 11px}.corner-card h3{font-size:21px}}@media(max-width:700px){header{height:62px}.brand{font-size:25px}.stage{height:585px;min-height:0}.stage-heading{top:22px}h1{font-size:52px}.track-meta{font-size:19px}.canvas-wrap{inset:95px 0 150px}.gear-hud{top:auto;bottom:44px;width:140px;transform:none}#gear{font-size:66px}.gear-unit{font-size:14px}.gear-hud .overline{font-size:9px}.phase{margin-top:5px;font-size:9px}.gear-hud h2{font-size:13px;margin:4px 0}.next-hud{top:auto;bottom:67px;width:142px;text-align:right;padding-top:10px}.next-hud .overline{font-size:9px}.next-hud h2{font-size:22px;margin:7px 0}.next-data{justify-content:flex-end;gap:18px;font-size:11px}.next-data strong{font-size:23px}.scene-toolbar{bottom:10px;font-size:10px}.quiet{font-size:11px;padding:5px}.controls{padding-top:15px}.play{min-width:142px;padding:10px 11px}.icon-button{min-width:32px;padding:6px}.play-group{gap:5px}.lap-position{font-size:12px}.corner-card{padding:12px!important;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.corner-card:nth-child(3n){border-right:0}.corner-card:nth-child(n+4){border-bottom:0}.corner-card h3{font-size:21px}.help{margin:15px 0}footer{font-size:10px}}@media(hover:hover){.play:hover{background:var(--ink);border-color:var(--ink);color:var(--bg)}.theme:hover,.track-marker:not(.active):hover{box-shadow:none}.track-marker:not(.active):hover{border-color:var(--red)}}

.selection{display:grid;grid-template-columns:1.2fr 1fr 1fr auto;gap:24px;align-items:end;padding:22px 0 12px}.selection label{display:flex;flex-direction:column;gap:8px;font-size:11px;color:var(--muted);letter-spacing:.6px}.selection select{width:100%;min-height:44px;font:inherit;font-size:14px;color:var(--ink);background:var(--bg);border:1px solid var(--muted);border-radius:5px;padding:8px 12px}.selection .quiet{min-height:44px;font-size:12px}.profile-context{font-size:11px;color:var(--muted);margin:4px 0 0}#cornerList{display:flex;overflow-x:auto;overscroll-behavior-x:contain}.corner-card{flex:1 0 150px;min-width:0}.corner-card h3{white-space:nowrap}footer{display:flex;gap:18px;flex-wrap:wrap}footer span{margin-right:auto}.help p{max-width:850px;line-height:1.6}@media(max-width:700px){.selection{grid-template-columns:1fr 1fr;gap:12px;padding-top:16px}.selection label:first-child{grid-column:1/-1}.selection .quiet{grid-column:1/-1;justify-self:start;min-height:32px;padding-left:0}.profile-context{font-size:10px;line-height:1.5}.stage-heading h1{font-size:clamp(30px,7vw,52px);max-width:75vw}#cornerList .corner-card{border-bottom:0;flex-basis:135px;border-right:1px solid var(--line)}footer{gap:10px}}