:root {
  --ink: #f2f0ea;
  --dim: #a9a7a0;
  --panel: rgba(12, 13, 16, 0.86);
  --accent: #ff5a1f;
  --cond: "Barlow Condensed", "Arial Narrow", sans-serif;
  --text: "Barlow", system-ui, sans-serif;
  --gutter: clamp(16px, 2.4vw, 32px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: #2c283a;
  color: var(--ink);
  font: 15px/1.45 var(--text);
}

a { color: inherit; }

#track {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
}

.panel {
  background: var(--panel);
  border-left: 4px solid var(--accent);
}

.label, .timing dt, .sponsors summary {
  font: 700 13px var(--cond);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dim);
}

/* Top right: who. */
.driver-card {
  position: fixed;
  top: var(--gutter);
  right: var(--gutter);
  max-width: 250px;
  padding: 9px 14px 8px;
}
.driver-card h1 {
  margin: 0;
  font: 800 22px/1 var(--cond);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.driver-card p { margin: 4px 0 0; color: var(--dim); font-size: 13px; line-height: 1.35; }
.driver-card .links { font: 700 12px var(--cond); text-transform: uppercase; letter-spacing: 0.08em; }
.driver-card .links a + a { margin-left: 10px; }

/* Top left: the timing screen. */
.timing {
  position: fixed;
  top: var(--gutter);
  left: var(--gutter);
  width: 200px;
  padding: 10px 16px 10px;
  font-family: var(--cond);
  font-variant-numeric: tabular-nums;
}
.timing .lap { margin: 0 0 4px; font: 800 26px/1 var(--cond); text-transform: uppercase; }
.timing dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  margin: 0;
}
.timing dt { align-self: center; }
.timing dd { margin: 0; text-align: right; font: 600 18px var(--cond); }
.timing dd#lap-time { font-weight: 800; font-size: 22px; }
.timing dd#lap-time.invalid { color: #ff3b2f; }
.driver { margin: 8px 0 0; font: 600 13px var(--cond); text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); }
.sound { margin: 6px 0 0; display: flex; align-items: center; gap: 8px; }
.sound kbd { padding: 0 5px; border: 1px solid rgba(242, 240, 234, 0.25); font: 600 11px var(--cond); color: var(--dim); }
.timing .sound button { margin-left: 0; color: var(--dim); }
.timing .sound button[aria-pressed="true"] { color: var(--ink); border-color: var(--accent); }

/* Under the times, after a lap you drove: the time and a way to share it. */
.lap-share {
  position: relative;
  margin: 10px -16px -10px -20px;
  padding: 8px 16px 10px 20px;
  border-top: 1px solid rgba(242, 240, 234, 0.12);
}
.lap-share[hidden] { display: none; }
.lap-share p { margin: 0 0 6px; font: 600 13px var(--cond); text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); }
.lap-share .time { font: 800 18px var(--cond); color: var(--ink); letter-spacing: 0; }
.lap-share .share {
  font: 800 15px var(--cond);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #14110f;
  background: var(--accent);
  border: 0;
  padding: 5px 12px;
  cursor: pointer;
}
.lap-share .share:hover { background: #ff7a45; }
.lap-share .close { position: absolute; top: 4px; right: 8px; padding: 0 4px; border: 0; margin: 0; font-size: 18px; line-height: 1; color: var(--dim); background: none; }

/* The start lights, over the grid: five lamps that come on red and go out. */
.lights {
  position: fixed;
  top: 16vh;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  padding: 12px;
  background: #121316;
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: opacity 0.6s;
}
.lights[hidden] { display: none; }
.lights.out { opacity: 0; }
.lights i { display: flex; flex-direction: column; gap: 8px; padding: 8px; background: #202126; border-radius: 6px; }
.lights i::before, .lights i::after { content: ""; width: 34px; height: 34px; border-radius: 50%; background: #3a1210; }
.lights i.on::before, .lights i.on::after { background: #ff2a1a; box-shadow: 0 0 18px #ff2a1a; }

.driver button, .sound button, .cal button {
  font: 700 12px var(--cond);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink);
  background: none;
  border: 1px solid rgba(242, 240, 234, 0.35);
  padding: 2px 8px;
  margin-left: 6px;
  cursor: pointer;
}

/* Top centre: the corner you are in. */
.corner {
  position: fixed;
  top: var(--gutter);
  left: 50%;
  max-width: min(440px, 40vw);
  text-align: center;
  transform: translate(-50%, -8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
}
.corner.on { opacity: 1; transform: translate(-50%, 0); pointer-events: auto; }
.corner .turn {
  display: inline-flex;
  margin: 0;
  background: var(--panel);
  font: 800 24px/1 var(--cond);
  text-transform: uppercase;
}
.corner .number { padding: 8px 10px; background: var(--sponsor, var(--accent)); color: #14110f; }
.corner .name { padding: 8px 14px; }
.corner .sponsor {
  display: block;
  margin-top: 4px;
  padding: 6px 12px;
  background: var(--panel);
  color: var(--dim);
  font-size: 13px;
  text-decoration: none;
}
.corner .sponsor:hover { color: var(--ink); }
.corner .sponsor[hidden] { display: none; }
.corner .tech { font: 700 12px var(--cond); text-transform: uppercase; letter-spacing: 0.1em; color: var(--sponsor, var(--accent)); }

/* While the camera is on a billboard: the HUD steps aside, a line says what to do. */
.timing, .driver-card, .dash, .sponsors, .controls, .garage { transition: opacity 0.4s; }
.zoomed .timing, .zoomed .driver-card, .zoomed .corner, .zoomed .dash, .zoomed .sponsors, .zoomed .controls, .zoomed .garage { opacity: 0; pointer-events: none; }
.board-hint {
  position: fixed;
  left: 50%;
  bottom: var(--gutter);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 8px 16px;
  background: var(--panel);
  font: 700 14px var(--cond);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.board-hint[hidden] { display: none; }
.board-hint .open { color: var(--accent); }
.board-hint .back { color: var(--dim); margin-left: 8px; }
.board-hint .stay { color: var(--dim); margin-left: 8px; }
.board-hint .stay[hidden], .board-hint .countdown[hidden] { display: none; }
/* How long the tour stays on this billboard; moving the mouse fills it up again. */
.board-hint .countdown { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: rgba(242, 240, 234, 0.12); }
.board-hint .countdown i { display: block; height: 100%; background: var(--accent); transform-origin: left; }
.board-hint kbd { padding: 1px 6px; border: 1px solid rgba(242, 240, 234, 0.35); font: 600 11px var(--cond); color: var(--dim); }

/* Under the casino room nothing of the race is drawn. */
.casino #track, .casino .timing, .casino .driver-card, .casino .corner, .casino .dash,
.casino .sponsors, .casino .controls, .casino .board-hint, .casino .garage { visibility: hidden; }

/* The casino button laid over the Feeling Lucky billboard while the camera is on it. */
.lucky-button {
  position: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0.03em solid #d4af5a;
  border-radius: 0.4em;
  background: radial-gradient(ellipse at 50% 35%, #a52430, #6a1219 75%);
  color: #e8c766;
  font: 1em Limelight, Georgia, serif;
  cursor: pointer;
  box-shadow: 0 0 0.6em rgba(232, 199, 102, 0.55), inset 0 0 0.8em rgba(0, 0, 0, 0.5);
}
.lucky-button[hidden] { display: none; }
.lucky-button .try { font-size: 1em; line-height: 1.1; white-space: nowrap; }
.lucky-button .win { font: 500 0.54em Barlow, system-ui, sans-serif; color: #f1e6c8; margin-top: 0.3em; }
.lucky-button .bulbs { position: absolute; inset: 0; pointer-events: none; }
.lucky-button .bulbs i {
  position: absolute;
  width: 0.24em;
  height: 0.24em;
  margin: -0.12em;
  border-radius: 50%;
  background: #ffe9a8;
  box-shadow: 0 0 0.3em #ffd45a;
}
.lucky-button:hover, .lucky-button:focus-visible { background: radial-gradient(ellipse at 50% 35%, #c42d3a, #7d1720 75%); }
@media (prefers-reduced-motion: no-preference) {
  .lucky-button { animation: lucky-glow 1.4s ease-in-out infinite; }
  .lucky-button .bulbs i { animation: bulb 0.9s steps(1) infinite; animation-delay: calc(var(--i) * -0.09s); }
}
@keyframes lucky-glow {
  50% { box-shadow: 0 0 1.2em rgba(232, 199, 102, 0.9), inset 0 0 0.8em rgba(0, 0, 0, 0.5); }
}
@keyframes bulb {
  50% { background: #6b5320; box-shadow: none; }
}

/* Bottom right: the track map over the dash. */
.dash {
  position: fixed;
  right: var(--gutter);
  bottom: var(--gutter);
  width: 240px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  pointer-events: none;
}
#minimap {
  width: 170px;
  height: 130px;
  background: rgba(12, 13, 16, 0.6);
}
.gauge {
  width: 100%;
  padding: 10px 14px 12px;
  background: var(--panel);
  font-family: var(--cond);
  font-variant-numeric: tabular-nums;
}
.revs { display: grid; grid-template-columns: repeat(15, 1fr); gap: 3px; height: 10px; }
.revs i { background: rgba(242, 240, 234, 0.12); }
.revs i.on:nth-child(-n + 5) { background: #3ccf6b; }
.revs i.on:nth-child(n + 6):nth-child(-n + 10) { background: #ff3b2f; }
.revs i.on:nth-child(n + 11) { background: #3d7bff; }
.revs.limit i { background: #3d7bff; }
.gear-row { display: flex; align-items: center; gap: 16px; margin-top: 8px; }
.gear { font: 800 72px/0.85 var(--cond); min-width: 44px; text-align: center; }
.readouts { display: flex; flex-direction: column; font: 600 13px var(--cond); text-transform: uppercase; letter-spacing: 0.1em; color: var(--dim); }
.readouts b { font: 800 30px/1 var(--cond); color: var(--ink); letter-spacing: 0; margin-right: 4px; }
.readouts span + span b { font-size: 18px; }

/* The garage, next to the project list: the cars you can drive, and the
   ones still to win. */
.garage {
  position: fixed;
  z-index: 2;
  left: calc(var(--gutter) + 300px);
  bottom: var(--gutter);
  display: flex;
  gap: 4px;
  padding: 6px 6px 6px 10px;
}
.garage button {
  position: relative;
  width: 66px;
  height: 40px;
  padding: 3px;
  border: 1px solid transparent;
  background: none;
  cursor: pointer;
}
.garage img { display: block; width: 100%; height: 100%; object-fit: contain; }
.garage button:hover { border-color: rgba(242, 240, 234, 0.3); }
.garage button[aria-pressed="true"] { border-color: var(--accent); background: rgba(255, 90, 31, 0.15); }
.garage button[aria-disabled="true"] { cursor: default; }
.garage button[aria-disabled="true"] img { opacity: 0.55; }
.garage button[aria-disabled="true"]:hover { border-color: transparent; }
/* The tooltip, also for the locked ones, which a native title would not show. */
.garage button::after {
  content: attr(data-tip);
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: max-content;
  max-width: 220px;
  padding: 6px 10px;
  background: var(--panel);
  border-left: 3px solid var(--accent);
  color: var(--ink);
  font: 500 13px/1.35 var(--text);
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
.garage button:hover::after, .garage button:focus-visible::after { opacity: 1; }

.toast {
  position: fixed;
  z-index: 3;
  left: 50%;
  top: 40%;
  transform: translateX(-50%);
  margin: 0;
  padding: 10px 16px;
  font: 700 15px var(--cond);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.toast[hidden] { display: none; }

/* Bottom left: the project list, in the order pinned on GitHub. */
.sponsors {
  position: fixed;
  left: var(--gutter);
  bottom: var(--gutter);
  width: 290px;
  padding: 10px 16px 6px;
}
.sponsors summary { cursor: pointer; }
/* Only the list scrolls; the heading stays put. */
.sponsors ol { max-height: calc(40vh - 40px); overflow: auto; margin: 6px 0 0; padding: 0; list-style: none; }
.sponsors li { padding: 7px 0; border-top: 1px solid rgba(242, 240, 234, 0.1); }
.sponsors li a { font: 700 17px var(--cond); text-transform: uppercase; text-decoration: none; }
.sponsors li a:hover { color: var(--accent); }
.sponsors .what { display: block; color: var(--dim); font-size: 13px; }
.sponsors .tech { font: 500 12px var(--cond); text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); }

.controls {
  position: fixed;
  left: 50%;
  bottom: 8px;
  transform: translateX(-50%);
  margin: 0;
  font: 600 12px var(--cond);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(242, 240, 234, 0.7);
  white-space: nowrap;
  pointer-events: none;
}

.cal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(380px, calc(100% - 32px));
  padding: 18px 22px;
}
.cal h2 { margin: 0 0 6px; font: 800 22px var(--cond); text-transform: uppercase; }
.cal p { margin: 0 0 14px; }
.cal button { margin: 0; }

a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Where the panels leave no room in the middle, the banner drops below them. */
@media (max-width: 1100px) {
  .corner { top: 190px; max-width: calc(100% - 2 * var(--gutter)); }
  .controls { display: none; }
}

@media (max-width: 720px) {
  .driver-card { left: var(--gutter); max-width: none; }
  .timing { top: calc(var(--gutter) + 76px); right: var(--gutter); width: auto; display: flex; align-items: baseline; gap: 14px; padding: 6px 12px; }
  .timing .lap { font-size: 18px; margin: 0; }
  .timing dl { display: flex; gap: 8px; }
  .timing dt:not(:first-of-type), .timing dd:not(#lap-time) { display: none; }
  .timing dd#lap-time { font-size: 18px; }
  .driver { margin: 0 0 0 auto; font-size: 11px; }
  .sound { margin: 0; }
  .sound kbd { display: none; }
  .lap-share { position: absolute; top: calc(100% + 6px); left: 0; right: 0; margin: 0; background: var(--panel); border-left: 4px solid var(--accent); }
  .lights { top: 30vh; }
  .lights i::before, .lights i::after { width: 24px; height: 24px; }
  .corner { top: 44%; left: var(--gutter); right: var(--gutter); max-width: none; transform: translateY(-8px); }
  .corner.on { transform: none; }
  .corner .turn { font-size: 20px; }
  .board-hint kbd, .board-hint .back, .board-hint .stay { display: none; }
  .dash { left: var(--gutter); bottom: calc(var(--gutter) + 52px); width: auto; }
  #minimap { display: none; }
  .gear { font-size: 52px; }
  .readouts b { font-size: 24px; }
  .sponsors { left: var(--gutter); right: var(--gutter); width: auto; }
  .garage { left: auto; right: var(--gutter); bottom: auto; top: calc(var(--gutter) + 118px); padding: 4px; }
  .garage button { width: 52px; height: 32px; }
  .garage button::after { bottom: auto; top: calc(100% + 8px); left: auto; right: 0; transform: none; }
  .sponsors:not([open]) { padding-bottom: 10px; }
}