@font-face{font-family:Flight;src:local('Bahnschrift SemiCondensed'),local('Bahnschrift');font-display:swap;font-weight:600 900}
:root{font-family:Arial,Helvetica,sans-serif;color:#eef6f3;background:#071924;font-synthesis:none;--accent:#6aeadd;--muted:#b8cfd2}*{box-sizing:border-box}html,body,#game{width:100%;height:100%;margin:0;overflow:hidden}body{overscroll-behavior:none;touch-action:none;-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{font:inherit;cursor:pointer;color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #8cfff1;outline-offset:4px}[hidden]{display:none!important}button:disabled{opacity:.65;cursor:default}::selection{background:var(--accent);color:#071924}#game{position:relative}#world{display:block;width:100%;height:100%;outline:none;touch-action:none}.vignette{position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,#03101dd9,transparent 75%),linear-gradient(0deg,#03101d88,transparent 24%,transparent 80%,#03101d99)}.masthead{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:max(24px,env(safe-area-inset-top)) 32px;z-index:5;pointer-events:none}.masthead>*{pointer-events:auto}.wordmark{font:700 19px Flight,sans-serif;letter-spacing:.035em;text-decoration:none;color:#eef6f3}.icon-button{display:grid;place-items:center;width:48px;height:48px;background:#071924e8;border:1px solid #6c8b94;border-radius:8px}.icon-button svg{width:24px;height:24px}.icon-button:hover{background:#23414c}.menu{position:absolute;inset:0;pointer-events:none}.menu button{pointer-events:auto}.title-block{position:absolute;top:30%;left:7%;right:7%;max-width:570px}h1{font:700 clamp(64px,8vw,106px)/.88 Flight,'Arial Narrow',sans-serif;letter-spacing:-.025em;margin:0 0 28px}h1 span{color:var(--accent)}.intro{font-size:18px;line-height:1.55;max-width:34ch;margin:0 0 28px}.primary,.secondary{min-height:52px;display:inline-flex;justify-content:center;align-items:center;gap:30px;font-size:15px;font-weight:700;border:0;border-radius:6px;padding:14px 24px}.primary{background:var(--accent);color:#04151b}.primary:hover{background:#a2fff3}.primary svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8}.secondary{background:#173440;border:1px solid #75949c;color:#eef6f3}.secondary:hover{background:#285261}.best-line{font-size:12px;color:var(--muted);margin:20px 0;line-height:1.6}.launch-row{display:flex;gap:12px;flex-wrap:wrap}.playing .vignette{background:linear-gradient(0deg,#02071488,transparent 20%,transparent 85%,#02071444)}
#hud{position:absolute;top:102px;left:32px;right:32px;display:flex;justify-content:space-between;align-items:flex-start;gap:28px;pointer-events:none;font-variant-numeric:tabular-nums}.score-block>span{font:600 36px Flight,sans-serif}.score-block small,.status-block small{display:block;font-size:10px;letter-spacing:.08em;color:var(--muted);margin-top:4px}.route{width:min(34vw,380px);padding-top:9px}.route>div:first-child{display:flex;justify-content:space-between;gap:20px;font-size:13px}.route-track{height:4px;background:#41616b;margin-top:13px}.route-track i{display:block;height:100%;background:var(--accent);width:0}.status-block{text-align:right}.status-block #position{font:600 30px Flight,sans-serif}.status-block #hull{display:block;font-size:14px;letter-spacing:.16em;color:var(--accent);margin-top:10px}#standings{position:absolute;left:0;top:90px;list-style:decimal inside;padding:12px 14px;margin:0;width:190px;border-radius:8px;background:#03101de0;font-size:12px;color:#c4d8dc;line-height:1.8}#standings li{display:flex;justify-content:space-between;gap:8px}#standings b{font-size:10px;font-weight:400;color:#a9c2c8}#standings .you,#standings .you b{color:#8cfff1;font-weight:700}#callout{position:absolute;top:25%;left:23%;right:23%;text-align:center;font:600 clamp(18px,2.1vw,28px) Flight,sans-serif;pointer-events:none;opacity:0;text-shadow:0 3px 12px #000;transition:opacity .15s}#callout.visible{opacity:1}#flight-controls{position:absolute;right:32px;bottom:max(32px,env(safe-area-inset-bottom));pointer-events:none}#phase{pointer-events:auto;position:relative;overflow:hidden;display:flex;align-items:center;gap:24px;min-width:180px;min-height:58px;padding:15px 18px 19px;border:1px solid var(--accent);border-radius:8px;background:#0b2f38;font-weight:700;font-size:13px}#phase small{color:#c0d9db;font-size:10px;font-weight:400}#phase i{position:absolute;bottom:0;left:0;height:4px;width:100%;background:var(--accent);transform-origin:left}#phase:hover:not(:disabled){background:#20505b}
.overlay{position:absolute;inset:0;display:grid;place-items:center;background:#020a14cf;backdrop-filter:blur(12px);padding:92px 24px 24px;z-index:6;overflow:auto;touch-action:pan-y}.dialog-card{width:min(100%,500px);padding:28px;background:#0a202c;border:1px solid #577681;border-radius:16px;box-shadow:0 18px 60px #0008}h2{font:600 clamp(32px,4vw,48px)/1.06 Flight,sans-serif;letter-spacing:-.02em;margin:0 0 18px;text-wrap:balance}.dialog-card p{font-size:14px;line-height:1.65;color:#c5d9dd;margin:0 0 20px}.dialog-card .primary{width:100%}.text-button{display:block;background:transparent;border:0;text-decoration:underline;text-underline-offset:5px;padding:12px 4px;font-size:13px;color:#c5d9dd;margin-top:10px;min-height:44px}.text-button:hover{color:#8cfff1}.help-list{padding:0;list-style:none;margin:20px 0 26px}.help-list li{margin:0 0 18px}.help-list strong{display:block;font-size:15px;margin-bottom:6px;color:#eef6f3}.help-list span{font-size:13px;line-height:1.6;display:block;color:#c5d9dd}.menu-tabs{display:flex;border-bottom:1px solid #3b5b66;gap:24px;margin:8px 0 20px}.menu-tabs button{background:transparent;border:0;border-bottom:2px solid transparent;font-size:14px;padding:12px 0;color:#b8cfd2;min-height:44px}.menu-tabs button[aria-selected=true]{color:#8cfff1;border-color:#8cfff1}.toggle-row{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:18px 0;font-size:15px}.toggle{display:flex;align-items:center;gap:12px;background:transparent;border:0;min-height:44px;padding:4px 0 4px 12px;font-size:12px;color:#b8cfd2}.toggle i{position:relative;display:block;width:44px;height:26px;border:1px solid #8ba1ac;border-radius:20px;background:#243c48}.toggle i:after{content:'';position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#d5e0e2;transition:transform .15s}.toggle[aria-checked=true] i{background:#6aeadd;border-color:#6aeadd}.toggle[aria-checked=true] i:after{transform:translateX(18px);background:#07323a}.dialog-card .setting-note{font-size:12px;margin:16px 0 28px;color:#b8cfd2}.result-score{display:flex;gap:20px;align-items:baseline;margin:24px 0}.result-score strong{font:600 58px Flight,sans-serif;font-variant-numeric:tabular-nums}.result-score span{font-size:11px;color:#b8cfd2}.dialog-card .launch-row .primary{width:auto;flex:1}
@media(max-width:720px){.masthead{padding:16px}.wordmark{font-size:17px}.icon-button{width:44px;height:44px}.title-block{top:32%;left:7%;right:7%}h1{font-size:clamp(60px,15vw,84px)}.intro{font-size:16px}#hud{top:83px;left:16px;right:16px;display:grid;grid-template-columns:1fr auto;gap:14px}.score-block>span{font-size:30px}.status-block{grid-column:2;grid-row:1}.status-block #position{font-size:26px}.status-block #hull{margin-top:7px;font-size:12px}.route{width:100%;grid-row:2;grid-column:1/-1;padding:0}.route>div:first-child{font-size:12px}.route-track{margin-top:9px}#standings{top:125px;width:159px;padding:8px 10px;font-size:11px;line-height:1.8}#standings b{font-size:10px}#callout{top:auto;bottom:112px;left:16px;right:16px;font-size:18px}#flight-controls{right:16px;bottom:max(22px,env(safe-area-inset-bottom))}#phase{min-height:56px;min-width:155px;font-size:12px;gap:12px}#phase small{display:none}.overlay{padding:20px 14px}.dialog-card{padding:22px;max-height:calc(100dvh - 40px);overflow-y:auto}h2{font-size:34px}.help-list{margin:18px 0}.help-list li{margin-bottom:14px}.help-list strong{font-size:14px}.help-list span{font-size:12px}.menu-tabs{margin-top:0}.dialog-card p{font-size:13px}.primary,.secondary{font-size:14px;min-height:50px}}
@media(max-height:560px){.title-block{top:25%;left:6%}h1{font-size:58px;margin-bottom:14px}.intro{font-size:14px;margin-bottom:15px}.best-line{margin:10px 0}.masthead{padding:12px 20px}#hud{top:73px}#standings{top:72px}#callout{top:auto;bottom:80px}.overlay{padding:14px}.dialog-card{max-height:calc(100dvh - 28px);overflow-y:auto}h2{font-size:30px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* Race controls: clear hierarchy, quiet HUD, one circular nitro instrument. */
.dialog-card{position:relative}.dialog-close{position:absolute;right:18px;top:18px;width:44px;height:44px;border:0;background:transparent}.dialog-close:hover{background:#23414c}#settings-title{padding-right:48px}.text-button{display:flex;align-items:center;gap:10px;text-decoration:none}.text-button svg,.secondary svg{width:20px;height:20px;flex:none}.help-list li{margin-bottom:22px}.help-list strong{font-size:18px;line-height:1.25;font-weight:700;margin-bottom:9px}.help-list span{font-size:14px;line-height:1.65;color:#b8cfd2}.help-list kbd{display:inline-block;font:600 11px Arial,sans-serif;color:#eef6f3;background:#1d3946;border:1px solid #64818b;border-radius:4px;min-width:19px;padding:1px 4px;text-align:center;vertical-align:1px}.help-list span kbd:last-child{min-width:24px}#standings{top:84px;line-height:1.7;width:166px}#standings li span{display:flex;gap:10px;align-items:center}#standings em{font-size:10px;font-style:normal;color:#9cbac3;width:9px}.status-block #hull{display:flex;justify-content:flex-end;gap:5px;margin-top:12px}#hull svg{width:19px;height:19px;fill:#ff91ad;stroke:#ffb7ca;stroke-width:1.4}#hull svg.empty{fill:transparent;stroke:#768e9b}#phase{display:grid;place-items:center;width:88px;height:88px;min-width:0;min-height:0;border:0;border-radius:50%;padding:0;background:#07222de8;overflow:visible;gap:0}#phase:disabled{opacity:1}#phase:hover:not(:disabled){background:#194b55}#phase .nitro-meter{position:absolute;inset:0;width:88px;height:88px;fill:none;stroke-width:3;transform:rotate(-90deg)}.meter-track{stroke:#496371}#energy{stroke:#8cfff1;stroke-dasharray:100;stroke-dashoffset:0;stroke-linecap:round;transition:stroke-dashoffset .1s linear}#phase .nitro-icon{width:27px;height:35px;margin-top:-12px;color:#a2fff3}#phase-label{position:absolute;bottom:14px;font-size:11px;letter-spacing:.08em;color:#d5fff8}#phase.charging .nitro-icon{color:#a4bbc3}#phase.charging #phase-label{color:#b8cfd2}#phase.boosting{background:#1b5c68;box-shadow:0 8px 28px #020c18}.nitro-key{display:block;text-align:center;font-size:11px;letter-spacing:.1em;color:#b8cfd2;margin-top:9px}#flight-controls{pointer-events:none}#phase{pointer-events:auto}
@media(max-width:720px){#hud{display:flex;gap:16px}.score-block>span{font-size:28px}#standings{top:83px;width:146px;font-size:11px;line-height:1.6;padding:8px 10px}.help-list strong{font-size:17px}.help-list span{font-size:14px}.help-list li{margin-bottom:20px}.status-block #hull{margin-top:10px}#hull svg{width:18px;height:18px}.nitro-key{display:none}#phase{width:80px;height:80px}#phase .nitro-meter{width:80px;height:80px}#phase-label{bottom:14px}.dialog-close{right:14px;top:14px}.dialog-card{padding:24px}#callout{bottom:112px}}
@media(max-height:560px){#standings{top:65px;line-height:1.45;font-size:10px;width:145px}#phase{width:76px;height:76px}#phase .nitro-meter{width:76px;height:76px}}

/* Endless run HUD: score left, hearts + distance right. */
.status-block{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.status-block #hull{margin-top:0}.status-block #position{font:600 15px Flight,sans-serif;color:var(--muted);letter-spacing:.02em}.score-block>span{font-size:44px}#callout{top:22%}
@media(max-width:720px){.score-block>span{font-size:34px}.status-block #position{font-size:13px}}
#game.hurt .vignette{animation:hurt .45s ease-out}@keyframes hurt{0%{box-shadow:inset 0 0 160px 40px #ff3a3acc}100%{box-shadow:inset 0 0 0 0 #ff3a3a00}}
#perks{display:flex;gap:6px;margin-top:8px}#perks span{display:grid;place-items:center;min-width:26px;height:26px;padding:0 4px;border-radius:7px;background:#07222de8;border:1px solid color-mix(in srgb,var(--accent) 50%,transparent);color:var(--accent);font-size:13px}#perks sub{font-size:9px;margin-left:1px;color:#fff}

/* Upgrade choices explain effects between levels; keep the playfield free of icon badges. */
#perks{display:none!important}