/* Ridgeline Rally — HUD skin.
 * Palette: sun-bleached dust, oxidised orange, deep shade blue. Everything is
 * panelled rather than floating, so numerals stay legible against a bright sky.
 */
:root {
  --ink: #f3ece1;
  --ink-dim: #b9ae9d;
  --panel: rgba(22, 20, 19, 0.66);
  --panel-edge: rgba(243, 236, 225, 0.14);
  --accent: #e8562f;
  --amber: #f2c14e;
  --cool: #63c4e8;
  --mono: ui-monospace, "SFMono-Regular", "Consolas", "Roboto Mono", monospace;
  --sans: system-ui, "Segoe UI", "Inter", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: #11131a; }
body { font-family: var(--sans); color: var(--ink); -webkit-font-smoothing: antialiased; }
canvas#gl { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }

.overlay {
  position: fixed; inset: 0; display: none; place-items: center;
  background: radial-gradient(120% 100% at 50% 0%, rgba(20, 18, 22, 0.5), rgba(9, 9, 12, 0.9));
  z-index: 20; backdrop-filter: blur(3px);
}
.overlay.show { display: grid; }

/* ------------------------------------------------------------------ loading */
.load-card { text-align: center; }
.load-title {
  font-family: var(--mono); font-size: clamp(28px, 5vw, 54px); letter-spacing: 0.34em;
  color: var(--ink); text-shadow: 0 0 30px rgba(232, 86, 47, 0.35);
}
.load-sub { margin-top: 10px; color: var(--ink-dim); letter-spacing: 0.16em; font-size: 12px; text-transform: uppercase; }
.bar { width: min(58vw, 480px); height: 4px; margin: 26px auto 10px; background: rgba(255,255,255,0.12); overflow: hidden; }
.bar-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--amber)); transition: width .18s linear; }
.load-text { font-family: var(--mono); font-size: 12px; color: var(--ink-dim); }

/* ------------------------------------------------------------------ menu */
.menu-card {
  width: min(94vw, 1020px); padding: clamp(20px, 3vw, 38px);
  background: linear-gradient(160deg, rgba(30, 26, 24, 0.92), rgba(16, 15, 17, 0.94));
  border: 1px solid var(--panel-edge); border-radius: 3px;
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.6);
}
.brand { display: flex; gap: 18px; align-items: center; }
.brand-mark {
  width: 46px; height: 46px; flex: 0 0 auto; border-radius: 2px;
  background: conic-gradient(from 210deg, var(--accent), var(--amber), #7a8f3f, var(--cool), var(--accent));
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.4);
}
.brand h1 { margin: 0; font-size: clamp(24px, 3.4vw, 40px); letter-spacing: 0.03em; }
.tagline { margin: 6px 0 0; color: var(--ink-dim); max-width: 52ch; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 26px; margin: 28px 0 22px; }
.col h2 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin: 0 0 12px; border-bottom: 1px solid var(--panel-edge); padding-bottom: 8px;
}
.keys { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.keys li { display: flex; align-items: center; gap: 6px; padding: 4px 0; color: var(--ink-dim); }
.keys li span { margin-left: 6px; }
kbd {
  font-family: var(--mono); font-size: 11px; padding: 3px 6px; border-radius: 3px;
  background: rgba(255, 255, 255, 0.08); border: 1px solid var(--panel-edge); color: var(--ink);
}
.facts { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.facts li { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; border-bottom: 1px dashed rgba(255,255,255,0.07); }
.facts li span { color: var(--ink-dim); }
.facts li b { font-weight: 600; text-align: right; }
.hint { color: var(--ink-dim); font-size: 12.5px; line-height: 1.5; margin: 14px 0 0; }
.cta {
  display: block; width: 100%; padding: 15px 20px; cursor: pointer;
  font-family: var(--mono); font-size: 13px; letter-spacing: 0.24em; text-transform: uppercase;
  color: #16110e; background: linear-gradient(100deg, var(--amber), var(--accent));
  border: 0; border-radius: 2px; transition: transform .12s ease, filter .12s ease;
}
.cta:hover { filter: brightness(1.08); transform: translateY(-1px); }
.cta:active { transform: translateY(0); }
.foot { color: #7d7568; font-size: 11.5px; margin: 14px 0 0; text-align: center; }

/* ------------------------------------------------------------------ hud */
#hud { position: fixed; inset: 0; pointer-events: none; z-index: 10; font-family: var(--mono); }
#hud .hud-panel {
  position: absolute; padding: 10px 13px; background: var(--panel);
  border: 1px solid var(--panel-edge); border-radius: 2px; opacity: 0;
  transform: translateY(6px); transition: opacity .5s ease, transform .5s ease;
  backdrop-filter: blur(2px);
}
#hud .hud-panel.on, #hud .laps.on, #hud .speedo.on { opacity: 1; transform: none; }
.hud-panel .k { font-size: 9.5px; letter-spacing: 0.2em; color: var(--ink-dim); }

.laps { top: 18px; left: 18px; min-width: 208px; }
.lap-line { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.lap-line b { font-size: 26px; letter-spacing: 0.04em; }
.laps .t { display: flex; justify-content: space-between; gap: 14px; font-size: 13px; padding: 2px 0; }
.laps .t.pos { border-top: 1px solid var(--panel-edge); margin-top: 6px; padding-top: 6px; }
.laps .t.pos b { font-size: 15px; color: var(--amber); }
.delta { color: var(--cool); font-size: 12px; }

.speedo { top: 18px; right: 18px; min-width: 190px; text-align: right; }
.speed-row { display: flex; align-items: baseline; justify-content: flex-end; gap: 6px; }
#speed-value { font-size: 46px; line-height: 0.9; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.unit { font-size: 11px; color: var(--ink-dim); letter-spacing: 0.18em; }
.rpm { height: 5px; margin: 10px 0 8px; background: rgba(255,255,255,0.1); overflow: hidden; }
#rpm-fill { height: 100%; width: 0%; background: linear-gradient(90deg, #7a8f3f, var(--amber) 70%, var(--accent)); }
#rpm-fill.redline { background: linear-gradient(90deg, var(--amber), #ff3b1f); box-shadow: 0 0 12px rgba(255, 60, 30, 0.8); }
.gear-row { display: flex; align-items: center; gap: 8px; justify-content: flex-end; font-size: 11px; }
.gear-row b { font-size: 17px; color: var(--amber); min-width: 16px; }
.gear-row .surf, #surface { color: var(--cool); text-transform: uppercase; letter-spacing: 0.12em; }

.gate { top: 18px; left: 50%; transform: translate(-50%, 6px); text-align: center; min-width: 116px; opacity: 1; }
#gate-dist { font-size: 20px; margin-top: 2px; }
#gate-dist.near { color: var(--amber); }

.map-panel { bottom: 18px; right: 18px; padding: 8px; }
#minimap { display: block; width: 200px; height: 200px; opacity: 0.92; }
.map-key { margin-top: 4px; text-align: right; }

.centre-mark { position: absolute; left: 50%; bottom: 26px; width: 190px; height: 4px; transform: translateX(-50%); background: rgba(255,255,255,0.13); }
.centre-mark::after {
  content: ""; position: absolute; top: -4px; left: 50%; width: 4px; height: 12px; background: var(--ink);
  transform: translateX(calc(-50% + calc(var(--o) * 92px))); transition: transform .1s linear;
}
.centre-mark.lit::after { background: var(--amber); box-shadow: 0 0 10px rgba(242, 193, 78, 0.8); }

.warn {
  position: absolute; top: 34%; left: 50%; transform: translate(-50%, -50%);
  font-size: clamp(20px, 4vw, 44px); letter-spacing: 0.2em; color: #fff; opacity: 0;
  text-shadow: 0 4px 30px rgba(0,0,0,0.8);
}
.warn.on { opacity: 1; animation: blink 0.7s steps(2, end) infinite; }
@keyframes blink { 50% { opacity: 0.25; } }

.big-message {
  position: absolute; top: 24%; left: 50%; transform: translate(-50%, -50%) scale(0.96);
  text-align: center; opacity: 0; transition: opacity .25s ease, transform .25s ease;
  font-size: clamp(26px, 6vw, 68px); letter-spacing: 0.14em; text-shadow: 0 6px 40px rgba(0,0,0,0.75);
}
.big-message.show { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.big-message::after { content: attr(data-sub); display: block; font-size: 14px; letter-spacing: 0.22em; color: var(--amber); margin-top: 8px; }
.fps { position: absolute; bottom: 10px; left: 12px; font-size: 10.5px; color: rgba(255,255,255,0.45); }

/* ------------------------------------------------------------------ results */
.results-card {
  width: min(92vw, 520px); padding: 28px; text-align: center;
  background: linear-gradient(160deg, rgba(30, 26, 24, 0.94), rgba(15, 14, 16, 0.96));
  border: 1px solid var(--panel-edge);
}
.results-card h2 { margin: 0 0 18px; letter-spacing: 0.18em; font-weight: 500; }
.results-body { margin-bottom: 20px; }
.results-body .row { display: flex; align-items: baseline; gap: 12px; padding: 9px 4px; border-bottom: 1px solid rgba(255,255,255,0.08); font-family: var(--mono); }
.results-body .pos { width: 22px; color: var(--accent); }
.results-body .name { flex: 1; text-align: left; letter-spacing: 0.12em; }
.results-body .time { color: var(--amber); }

/* ------------------------------------------------------------------ fatal */
.fatal-card { width: min(92vw, 560px); padding: 30px; background: rgba(24, 16, 14, 0.96); border: 1px solid rgba(232, 86, 47, 0.4); }
.fatal-card h2 { margin: 0 0 10px; color: var(--accent); letter-spacing: 0.1em; }
.fatal-card p { color: var(--ink-dim); line-height: 1.6; }
.fatal-hint { font-size: 13px; }
code { font-family: var(--mono); font-size: 12px; color: var(--ink); background: rgba(255,255,255,0.08); padding: 1px 4px; }

@media (max-width: 720px) {
  .map-panel { display: none; }
  #speed-value { font-size: 34px; }
  .laps { min-width: 170px; }
}