:root { --black: #0a0a0a; --ink: #f4efe6; --muted: rgba(244, 239, 230, 0.6); --line: rgba(244, 239, 230, 0.14); --panel: rgba(12, 12, 12, 0.94); --green: #c6f542; --orange: #d55e1f; --clay: #9c3b22; --red: #ff4d38; --gold: #c9a227; --ease: cubic-bezier(0.16, 1, 0.3, 1); --mono: "SFMono-Regular", "Roboto Mono", "Space Mono", Menlo, Consolas, monospace; --sans: "Arial Narrow", "Avenir Next Condensed", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif; }

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html,
body { width: 100%; height: 100%; margin: 0; overflow: hidden; color: var(--ink); background: var(--black); font-family: var(--sans); -webkit-font-smoothing: antialiased; user-select: none; touch-action: none; }

button,
input,
label { font: inherit; }

button,
.file-button { color: inherit; cursor: pointer; } button:focus-visible,
label:focus-within { outline: 2px solid var(--gold); outline-offset: 3px; }

#app,
#race-stage,
#game-canvas,
.screen { position: fixed; inset: 0; }

#app { background: var(--black); isolation: isolate; }

#race-stage { overflow: hidden; z-index: 1; }

#game-canvas { width: 100%; height: 100%; display: block; background: #100d18; }

#race-vignette { position: absolute; inset: 0; pointer-events: none; background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.34), transparent 20%, transparent 75%, rgba(0, 0, 0, 0.45)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.22), transparent 32%, rgba(0, 0, 0, 0.2)); }

.screen { z-index: 30; display: none; }

.screen.active { display: flex; animation: screen-in 520ms var(--ease) both; }

@keyframes screen-in {
  from { opacity: 0; transform: scale(1.018); }
  to { opacity: 1; transform: scale(1); } }

.hidden { display: none !important; }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.primary-button,
.secondary-button,
.danger-button,
.text-button,
.back-button,
.icon-button,
.tool { border: 0; border-radius: 999px; font-weight: 800; transition: transform 180ms var(--ease), background 180ms ease, color 180ms ease, border-color 180ms ease; }

.primary-button,
.secondary-button,
.danger-button { min-height: 48px; padding: 0 24px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }

.primary-button { color: var(--black); background: var(--orange); box-shadow: 0 10px 34px rgba(213, 94, 31, 0.22); }

.secondary-button { color: var(--ink); background: rgba(245, 245, 240, 0.08); border: 1px solid var(--line); }

.danger-button { color: #ff8c7e; background: rgba(255, 77, 56, 0.08); border: 1px solid rgba(255, 77, 56, 0.3); }

.text-button { min-height: 40px; padding: 0 8px; color: var(--muted); background: transparent; font-size: 12px; letter-spacing: 0.04em; }

.primary-button:hover,
.secondary-button:hover,
.danger-button:hover,
.tool:hover { transform: translateY(-2px); }

.primary-button:active,
.secondary-button:active,
.danger-button:active,
.tool:active { transform: translateY(1px) scale(0.98); }

.wide-button { align-self: center; min-width: 240px; }

#title-screen { align-items: stretch; justify-content: flex-end; overflow: hidden; padding: max(20px, env(safe-area-inset-top)) max(28px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(28px, env(safe-area-inset-left)); background: #080808; }

.title-art { position: absolute; inset: 0; background-color: #080808; background-image: var(--key-art, url("assets/onlyracebikes-key-art.png")); background-repeat: no-repeat; background-size: auto 130%; background-position: right 46%; transform: scale(1.02); animation: title-drift 14s ease-in-out infinite alternate; }

@keyframes title-drift {
  from { transform: scale(1.02) translate3d(0, 0, 0); }
  to { transform: scale(1.075) translate3d(-0.7%, -0.5%, 0); } }

.title-shade { position: absolute; inset: 0; background:
    linear-gradient(90deg, rgba(5, 5, 5, 0.98) 0%, rgba(5, 5, 5, 0.86) 30%, rgba(5, 5, 5, 0.18) 67%, rgba(5, 5, 5, 0.22) 100%),
    linear-gradient(0deg, rgba(5, 5, 5, 0.82), transparent 38%); }

.studio-mark { position: absolute; top: max(22px, env(safe-area-inset-top)); left: max(28px, env(safe-area-inset-left)); display: flex; align-items: center; gap: 9px; color: rgba(245, 245, 240, 0.7); font: 700 10px/1 var(--mono); letter-spacing: 0.2em; }

.studio-mark i { width: 9px; height: 9px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 16px rgba(201, 162, 39, 0.75); animation: still-alive 1.6s ease-in-out infinite; }

@keyframes still-alive {
  0%, 35%, 100% { transform: scale(0.72); opacity: 0.55; }
  42% { transform: scale(1.32); opacity: 1; }
  49% { transform: scale(0.82); }
  57% { transform: scale(1.12); opacity: 0.9; } }

.title-lockup { position: relative; z-index: 2; width: min(860px, 70vw); margin: auto auto auto 3vw; }

.title-kicker,
.title-tagline { margin: 0; }

.title-kicker { color: var(--orange); font: 700 10px/1.2 var(--mono); letter-spacing: 0.2em; text-transform: uppercase; }

.title-lockup h1 { margin: 8px 0 8px; color: var(--ink); font: 950 clamp(48px, 7.2vw, 110px)/0.82 var(--sans); letter-spacing: -0.08em; white-space: nowrap; text-transform: uppercase; text-shadow: 0 14px 45px rgba(0, 0, 0, 0.55); }

.title-lockup h1 em { color: var(--orange); font-style: normal; }

.title-lockup h1 small { display: block; margin-top: 0.62em; color: var(--gold); font: 800 0.17em/1 var(--mono); letter-spacing: 0.16em; }

.title-tagline { color: rgba(245, 245, 240, 0.82); font-size: clamp(14px, 1.8vw, 20px); letter-spacing: 0.01em; }

.title-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: clamp(20px, 4vh, 38px); }

.title-footer { position: absolute; z-index: 3; right: max(28px, env(safe-area-inset-right)); bottom: max(16px, env(safe-area-inset-bottom)); display: flex; align-items: center; gap: 16px; color: var(--muted); font: 10px/1 var(--mono); letter-spacing: 0.06em; }

.panel-screen { flex-direction: column; background:
    radial-gradient(circle at 80% 0%, rgba(198, 90, 46, 0.16), transparent 44%),
    linear-gradient(145deg, #151017, #080808 64%); padding: max(14px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(14px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left)); }

.panel-header { flex: 0 0 auto; min-height: 64px; display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }

.panel-header span,
.track-footer span { color: var(--orange); font: 700 9px/1 var(--mono); letter-spacing: 0.16em; text-transform: uppercase; }

.panel-header h2 { margin: 4px 0 0; font-size: clamp(24px, 3.8vw, 44px); line-height: 0.94; letter-spacing: -0.04em; }

.back-button,
.icon-button { width: 44px; height: 44px; padding: 0; color: var(--ink); background: rgba(245, 245, 240, 0.07); border: 1px solid var(--line); font: 500 30px/1 var(--sans); }

.header-stat { color: var(--green) !important; font-size: 12px !important; }

.track-list { flex: 1 1 auto; min-height: 0; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(250px, 31vw); gap: 12px; padding: 16px 4px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x mandatory; scrollbar-width: none; }

.track-list::-webkit-scrollbar { display: none; }

.track-card { position: relative; min-height: 220px; overflow: hidden; padding: 0; color: var(--ink); text-align: left; background: #171717; border: 1px solid var(--line); border-radius: 18px; scroll-snap-align: center; }

.track-card::before { content: ""; position: absolute; inset: 0; background:
    linear-gradient(0deg, rgba(5, 5, 5, 0.96), rgba(5, 5, 5, 0.12) 75%),
    radial-gradient(circle at 75% 12%, var(--track-accent), transparent 20%),
    linear-gradient(155deg, var(--track-sky), var(--track-dirt)); }

.track-card::after { content: ""; position: absolute; right: -8%; bottom: 25%; width: 72%; height: 40%; background: var(--track-dirt); clip-path: polygon(0 100%, 22% 65%, 40% 72%, 55% 34%, 72% 52%, 100% 0, 100% 100%); opacity: 0.82; }

.track-card.selected { border-color: var(--gold); box-shadow: inset 0 0 0 1px var(--gold), 0 18px 46px rgba(0, 0, 0, 0.35); transform: translateY(-3px); }

.track-card-content { position: absolute; z-index: 2; inset: auto 18px 16px; }

.track-card-index { color: var(--track-accent); font: 700 10px/1 var(--mono); letter-spacing: 0.16em; }

.track-card h3 { margin: 8px 0 6px; font-size: clamp(22px, 2.7vw, 34px); letter-spacing: -0.04em; }

.track-card p { margin: 0; color: var(--muted); font-size: 12px; }

.track-medals { position: absolute; z-index: 3; top: 14px; left: 14px; display: flex; gap: 5px; }

.track-medals i { width: 9px; height: 9px; border-radius: 50%; background: rgba(245, 245, 240, 0.14); border: 1px solid rgba(245, 245, 240, 0.28); }

.track-medals i.earned:nth-child(1) { background: #a96132; }
.track-medals i.earned:nth-child(2) { background: #d3d8de; }
.track-medals i.earned:nth-child(3) { background: #e2b734; }

.track-footer,
.workshop-footer { flex: 0 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 12px; border-top: 1px solid var(--line); }

.track-footer strong { display: block; margin-top: 4px; font-size: 16px; }

.lesson-grid { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 16px 0; }

.lesson-grid article { padding: clamp(18px, 3vw, 34px); background: rgba(245, 245, 240, 0.045); border: 1px solid var(--line); border-radius: 18px; }

.lesson-grid article > b { color: var(--orange); font: 700 12px/1 var(--mono); }

.lesson-grid h3 { margin: 22px 0 8px; font-size: clamp(20px, 3vw, 34px); letter-spacing: -0.04em; }

.lesson-grid p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }

.key-guide { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-bottom: 12px; color: var(--muted); font: 10px/1 var(--mono); text-transform: uppercase; }

kbd { display: inline-grid; min-width: 24px; height: 24px; place-items: center; margin-right: 4px; color: var(--ink); background: rgba(245, 245, 240, 0.1); border: 1px solid var(--line); border-radius: 5px; font: inherit; }

.workshop-header { grid-template-columns: 52px 1fr auto; }

.tool-strip { flex: 0 0 auto; display: flex; gap: 8px; padding: 12px 0; overflow-x: auto; }

.tool { min-width: max-content; min-height: 40px; padding: 0 16px; color: var(--muted); background: rgba(245, 245, 240, 0.06); border: 1px solid var(--line); font: 700 10px/1 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }

.tool.active { color: var(--black); background: var(--orange); border-color: var(--orange); }

.editor-grid { flex: 1 1 auto; min-height: 160px; display: grid; grid-template-rows: repeat(4, minmax(56px, 1fr)); overflow: auto; background: rgba(5, 5, 5, 0.7); border: 1px solid var(--line); border-radius: 16px; scrollbar-width: thin; scrollbar-color: rgba(201, 162, 39, 0.56) transparent; }

.editor-grid::-webkit-scrollbar { width: 7px; height: 7px; }
.editor-grid::-webkit-scrollbar-track { background: transparent; }
.editor-grid::-webkit-scrollbar-thumb { background: rgba(201, 162, 39, 0.56); border-radius: 999px; }

.editor-lane { display: grid; grid-template-columns: 72px repeat(20, minmax(44px, 1fr)); min-width: 952px; min-height: 0; border-bottom: 1px solid rgba(245, 245, 240, 0.08); }

.editor-lane:last-child { border-bottom: 0; }

.lane-label { position: sticky; left: 0; z-index: 2; display: grid; place-items: center; min-height: 56px; color: var(--muted); background: #101010; border-right: 1px solid var(--line); font: 700 9px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }

.editor-cell { position: relative; min-height: 56px; padding: 0; color: var(--ink); background: linear-gradient(0deg, rgba(198, 90, 46, 0.08), transparent 45%); border: 0; border-right: 1px solid rgba(245, 245, 240, 0.055); }

.editor-cell::after { content: attr(data-mark); display: grid; place-items: center; width: 100%; height: 100%; color: var(--orange); font: 800 10px/1 var(--mono); letter-spacing: 0.03em; }

.editor-cell[data-kind="rollers"]::after,
.editor-cell[data-kind="berm"]::after { color: var(--green); }
.editor-cell[data-kind="soft"]::after { color: #ff6954; }

.workshop-status { flex: 0 0 auto; min-height: 18px; margin: 8px 4px 0; color: var(--muted); font: 10px/1.5 var(--mono); }

.workshop-file-actions { display: flex; gap: 8px; }

.file-button { display: inline-flex; align-items: center; justify-content: center; }

.file-button input { position: absolute; width: 1px; height: 1px; opacity: 0; }

.settings-list { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px 16px; padding: 14px 0; overflow-y: auto; }

.settings-list label { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 14px; background: rgba(245, 245, 240, 0.04); border: 1px solid var(--line); border-radius: 12px; }

.settings-list b,
.settings-list small { display: block; }

.settings-list b { margin-bottom: 3px; font-size: 13px; }

.settings-list small { color: var(--muted); font-size: 10px; }

.settings-list input { appearance: none; flex: 0 0 auto; width: 46px; height: 26px; padding: 3px; background: rgba(245, 245, 240, 0.13); border-radius: 999px; transition: background 160ms ease; }

.settings-list input::before { content: ""; display: block; width: 20px; height: 20px; border-radius: 50%; background: var(--ink); transition: transform 220ms var(--ease); }

.settings-list input:checked { background: var(--gold); }

.settings-list input:checked::before { background: var(--black); transform: translateX(20px); }

.race-overlay,
.result-screen { align-items: center; justify-content: center; flex-direction: column; gap: 12px; padding: 26px; text-align: center; background: rgba(7, 7, 7, 0.84); backdrop-filter: blur(10px); }

#countdown-screen p,
.race-overlay > span,
#result-place { margin: 0; color: var(--orange); font: 700 10px/1 var(--mono); letter-spacing: 0.18em; text-transform: uppercase; }

#countdown-value { max-width: 92vw; font: 950 clamp(36px, 8.5vw, 112px)/0.88 var(--sans); letter-spacing: -0.045em; text-align: center; text-shadow: 0 0 60px rgba(255, 154, 60, 0.28); }

.gate-button { min-width: 190px; margin-top: 8px; }

#countdown-screen .gate-button { background: var(--green); box-shadow: 0 10px 34px rgba(198, 245, 66, 0.22); }

.race-overlay h2,
.result-screen h2 { margin: 0; font-size: clamp(38px, 7vw, 82px); letter-spacing: -0.065em; }

.result-screen { background:
    radial-gradient(circle at 50% 20%, rgba(198, 245, 66, 0.12), transparent 34%),
    rgba(7, 7, 7, 0.95); }

.result-medal { color: var(--gold); font-size: 50px; line-height: 1; text-shadow: 0 0 28px currentColor; }

#result-time { color: var(--green); font: 700 clamp(30px, 6vw, 64px)/1 var(--mono); letter-spacing: -0.06em; }

.result-stats { display: flex; gap: clamp(34px, 8vw, 90px); margin: 8px 0; }

.result-stats span,
.result-stats b { display: block; }

.result-stats span { color: var(--muted); font: 9px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

.result-stats b { margin-top: 6px; font: 700 22px/1 var(--mono); }

#result-note { margin: 0; color: var(--muted); font-size: 13px; }

.result-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; max-width: 760px; }

#race-hud { position: absolute; z-index: 12; top: max(9px, env(safe-area-inset-top)); left: max(12px, env(safe-area-inset-left)); right: max(12px, env(safe-area-inset-right)); display: grid; grid-template-columns: 90px 1fr 90px; align-items: start; pointer-events: none; }

.hud-block,
.hud-center,
.meter { background: rgba(8, 8, 8, 0.68); border: 1px solid rgba(245, 245, 240, 0.11); backdrop-filter: blur(8px); }

.hud-block { min-height: 49px; padding: 8px 10px; border-radius: 10px; }

.hud-label,
.meter-label { display: block; color: var(--muted); font: 700 8px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; }

.hud-block strong { display: block; margin-top: 5px; font: 700 17px/1 var(--mono); }

.hud-block small { color: var(--muted); font-size: 8px; }

.hud-center { justify-self: center; min-width: 230px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 10px; padding: 8px 14px; border-radius: 10px; font: 700 9px/1 var(--mono); text-transform: uppercase; }

.hud-center strong { color: var(--ink); font-size: 16px; }

#hud-track { color: var(--orange); }

#hud-distance { color: var(--muted); text-align: right; }

.speed-block { text-align: right; }

.meter { position: absolute; top: 57px; width: min(230px, 28vw); display: grid; grid-template-columns: 42px 1fr 24px; align-items: center; gap: 8px; padding: 7px 9px; border-radius: 9px; }

.stamina-meter { left: 0; }
.flow-meter { right: 0; }

.meter-rail { height: 7px; overflow: hidden; background: rgba(245, 245, 240, 0.12); border-radius: 999px; }

.meter-rail i { display: block; width: 100%; height: 100%; transform: scaleX(0); transform-origin: left center; border-radius: inherit; }

#stamina-fill { background: linear-gradient(90deg, var(--red), var(--orange) 42%, var(--green)); }

#flow-fill { background: linear-gradient(90deg, #6adfff, var(--green)); }

.meter b { color: var(--muted); font: 700 9px/1 var(--mono); text-align: right; }

#pause-button { position: absolute; z-index: 15; top: calc(max(9px, env(safe-area-inset-top)) + 96px); right: max(12px, env(safe-area-inset-right)); width: 38px; height: 38px; font: 700 11px/1 var(--mono); }

#race-callout { position: absolute; z-index: 14; top: 29%; left: 50%; opacity: 0; transform: translate(-50%, 12px) scale(0.92); color: var(--ink); font: 900 clamp(22px, 4.5vw, 52px)/1 var(--sans); letter-spacing: -0.04em; text-shadow: 0 4px 24px rgba(0, 0, 0, 0.78); pointer-events: none; transition: opacity 160ms ease, transform 420ms var(--ease); }

#race-callout.show { opacity: 1; transform: translate(-50%, 0) scale(1); }

#touch-controls { position: absolute; z-index: 13; inset: auto max(12px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); display: flex; align-items: flex-end; justify-content: space-between; pointer-events: none; }

.touch-cluster { display: flex; gap: 8px; pointer-events: auto; }

.lean-controls { align-self: flex-end; margin-left: 4vw; }

.pedal-controls { margin-left: auto; }

.touch-button { width: 58px; height: 58px; display: grid; place-items: center; padding: 0; color: rgba(245, 245, 240, 0.82); background: rgba(8, 8, 8, 0.48); border: 1px solid rgba(245, 245, 240, 0.18); border-radius: 14px; backdrop-filter: blur(6px); font: 700 16px/1 var(--mono); }

.touch-button span { font-size: 8px; letter-spacing: 0.08em; text-transform: uppercase; }

.touch-button.pressed { color: var(--black); background: var(--green); transform: scale(0.96); }

.pedal-button { width: 76px; height: 76px; border-radius: 50%; border-color: rgba(198, 245, 66, 0.42); }

.brake-button { border-color: rgba(255, 77, 56, 0.42); }
.pump-button { border-color: rgba(106, 223, 255, 0.42); }

#rotate-screen { position: fixed; z-index: 100; inset: 0; display: none; align-items: center; justify-content: center; flex-direction: column; gap: 8px; text-align: center; background: var(--black); }

.rotate-bike { color: var(--orange); font-size: 58px; animation: rotate-hint 2s var(--ease) infinite; }

@keyframes rotate-hint {
  0%, 20% { transform: rotate(0deg); }
  65%, 100% { transform: rotate(90deg); } }

#rotate-screen strong { font-size: 28px; letter-spacing: -0.04em; }

#rotate-screen span { color: var(--muted); font-size: 13px; }

@media (pointer: fine) {
  #touch-controls { display: none !important; } }

@media (orientation: portrait) and (max-width: 1024px) {
  #rotate-screen { display: flex; } }

@media (max-height: 560px) {
  .title-lockup { margin-left: 2vw; }
  .title-kicker { font-size: 8px; }
  .title-lockup h1 { font-size: clamp(42px, 9.6vw, 74px); }
  .title-actions { margin-top: 16px; }
  .primary-button, .secondary-button, .danger-button { min-height: 42px; padding: 0 18px; }
  .panel-header { min-height: 54px; }
  .track-list { padding: 10px 4px; }
  .track-card { min-height: 170px; }
  .lesson-grid { padding: 10px 0; }
  .lesson-grid article { padding: 16px; }
  .lesson-grid h3 { margin-top: 12px; }
  .editor-grid { grid-template-rows: repeat(4, minmax(40px, 1fr)); }
  .lane-label, .editor-cell { min-height: 40px; }
  .result-screen { gap: 8px; }
  .result-medal { font-size: 34px; }
  .result-stats { margin: 2px 0; } }

@media (min-height: 800px) {
  .lane-label, .editor-cell { min-height: 100%; } }

@media (max-width: 740px) {
  .title-shade { background: linear-gradient(90deg, rgba(5, 5, 5, 0.96), rgba(5, 5, 5, 0.7) 48%, rgba(5, 5, 5, 0.18)); }
  .title-lockup { width: 72vw; margin-left: 0; }
  .track-list { grid-auto-columns: minmax(230px, 61vw); }
  .settings-list { grid-template-columns: 1fr 1fr; }
  .hud-center { min-width: 190px; }
  .meter { width: 30vw; }
  .lean-controls { margin-left: 1vw; }
  .touch-button { width: 48px; height: 48px; }
  .pedal-button { width: 66px; height: 66px; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; } }