/* Shared chrome for the Abonvero arcade 3D games. */

:root {
  color-scheme: dark;
  --hud-fg: #f4f6fb;
  --hud-dim: rgba(244, 246, 251, 0.62);
  --hud-panel: rgba(10, 12, 18, 0.58);
  --hud-edge: rgba(255, 255, 255, 0.14);
  --hud-accent: #ffd23f;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: #05060a;
  color: var(--hud-fg);
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-user-select: none;
  user-select: none;
  touch-action: none;
}

#stage { position: fixed; inset: 0; }
#stage canvas { display: block; width: 100%; height: 100%; }

.hud {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.55);
}

.hud-corner { position: absolute; display: flex; gap: 14px; align-items: flex-start; }
.hud-tl { top: max(14px, env(safe-area-inset-top)); left: max(14px, env(safe-area-inset-left)); }
.hud-tc { top: max(14px, env(safe-area-inset-top)); left: 50%; transform: translateX(-50%); flex-direction: column; align-items: center; gap: 2px; }
.hud-tr { top: max(14px, env(safe-area-inset-top)); right: max(14px, env(safe-area-inset-right)); }
.hud-bl { bottom: max(16px, env(safe-area-inset-bottom)); left: max(14px, env(safe-area-inset-left)); flex-direction: column; align-items: flex-start; gap: 2px; }
.hud-br { bottom: max(16px, env(safe-area-inset-bottom)); right: max(14px, env(safe-area-inset-right)); }

.hud-block {
  background: var(--hud-panel);
  border: 1px solid var(--hud-edge);
  border-radius: 10px;
  padding: 6px 12px 8px;
  backdrop-filter: blur(6px);
  min-width: 74px;
}

.hud-label { display: block; font-size: 10px; letter-spacing: 0.16em; color: var(--hud-dim); }
.hud-value { display: block; font-size: 26px; line-height: 1.05; font-weight: 700; }
.hud-pos[data-lead="1"] { color: var(--hud-accent); }

.hud-time { font-size: 30px; font-weight: 700; letter-spacing: 0.02em; }
.hud-sub { font-size: 11px; letter-spacing: 0.14em; color: var(--hud-dim); }
.hud-best { color: var(--hud-accent); opacity: 0.85; }

.hud-map {
  width: 132px;
  height: 132px;
  background: var(--hud-panel);
  border: 1px solid var(--hud-edge);
  border-radius: 12px;
  backdrop-filter: blur(6px);
}

.hud-speed { font-size: 54px; font-weight: 800; line-height: 0.9; letter-spacing: -0.02em; }
.hud-speed-unit { font-size: 11px; letter-spacing: 0.24em; color: var(--hud-dim); margin-bottom: 6px; }

.hud-meter {
  width: 168px;
  height: 8px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.14);
  overflow: hidden;
  border: 1px solid var(--hud-edge);
}
.hud-meter-fill {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #4ad6ff, #7cf7c6);
  transition: width 90ms linear;
}
.hud-meter-fill[data-boosting="1"] { background: linear-gradient(90deg, #ffd23f, #ff7a3d); }

.hud-legend { font-size: 11px; letter-spacing: 0.1em; color: var(--hud-dim); text-align: right; max-width: 46vw; }

.hud-centre { position: absolute; inset: 0; display: grid; place-items: center; gap: 10px; align-content: center; }
.hud-big { font-size: clamp(64px, 16vw, 190px); font-weight: 800; letter-spacing: -0.04em; line-height: 1; }
.hud-banner { font-size: clamp(15px, 3vw, 24px); letter-spacing: 0.16em; color: var(--hud-accent); }

.hud-results {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 14px;
  background: rgba(5, 6, 10, 0.82);
  backdrop-filter: blur(10px);
  pointer-events: auto;
  padding: 24px;
  text-align: center;
}
.hud-results[hidden] { display: none; }
.hud-results h2 { margin: 0; font-size: clamp(26px, 6vw, 46px); letter-spacing: 0.04em; }
.hud-results table { border-collapse: collapse; margin: 0 auto; font-size: 14px; min-width: min(420px, 84vw); }
.hud-results th { font-size: 10px; letter-spacing: 0.18em; color: var(--hud-dim); text-align: left; padding: 4px 14px; font-weight: 500; }
.hud-results td { padding: 5px 14px; text-align: left; border-top: 1px solid rgba(255, 255, 255, 0.08); }
.hud-results tr.is-player td { color: var(--hud-accent); font-weight: 700; }
.hud-results-hint { font-size: 12px; letter-spacing: 0.14em; color: var(--hud-dim); margin: 0; }
.hud-results-note { font-size: 12px; color: var(--hud-dim); margin: 8px 0 0; }

/* Pre-race panel: title, skins, best times. The only interactive HUD surface. */
.menu {
  position: fixed;
  inset: 0;
  z-index: 3;
  display: grid;
  place-content: center;
  gap: 18px;
  padding: 24px;
  text-align: center;
  background: radial-gradient(120% 90% at 50% 0%, rgba(20, 26, 44, 0.72), rgba(5, 6, 10, 0.94));
  backdrop-filter: blur(12px);
}
.menu[hidden] { display: none; }
.menu-kicker { font-size: 11px; letter-spacing: 0.3em; color: var(--hud-dim); margin: 0; }
.menu h1 { margin: 0; font-size: clamp(34px, 9vw, 72px); letter-spacing: -0.03em; line-height: 0.95; }
.menu-tag { margin: 0; font-size: 13px; color: var(--hud-dim); max-width: 46ch; }
.menu-alpha {
  display: inline-block;
  border: 1px solid var(--hud-accent);
  color: var(--hud-accent);
  border-radius: 99px;
  padding: 3px 12px;
  font-size: 10px;
  letter-spacing: 0.24em;
}
.menu-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; align-items: center; }
.menu-stat { font-size: 12px; color: var(--hud-dim); letter-spacing: 0.1em; }
.menu-stat b { color: var(--hud-fg); font-weight: 700; }

button.menu-start {
  font: inherit;
  font-size: 16px;
  letter-spacing: 0.16em;
  padding: 13px 34px;
  border-radius: 99px;
  border: 0;
  background: var(--hud-accent);
  color: #14161d;
  font-weight: 800;
  cursor: pointer;
}
button.menu-start:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

.skin-row { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
button.skin {
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 7px 12px;
  border-radius: 10px;
  border: 1px solid var(--hud-edge);
  background: var(--hud-panel);
  color: var(--hud-fg);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
}
button.skin[aria-pressed="true"] { border-color: var(--hud-accent); color: var(--hud-accent); }
button.skin i { width: 12px; height: 12px; border-radius: 3px; display: block; }
button.skin:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
button.skin[disabled] { opacity: 0.45; cursor: not-allowed; }

.menu-note { font-size: 11px; color: var(--hud-dim); margin: 0; max-width: 44ch; }
.menu-back { font-size: 11px; letter-spacing: 0.12em; color: var(--hud-dim); }
.menu-back a { color: inherit; }

@media (max-width: 720px) {
  .hud-map { width: 92px; height: 92px; }
  .hud-value { font-size: 20px; }
  .hud-time { font-size: 22px; }
  .hud-speed { font-size: 38px; }
  .hud-meter { width: 124px; }
  .hud-legend { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hud-meter-fill { transition: none; }
}

/* The skip link. Off-screen until it is focused, which is the whole trick: a
   keyboard user reaches the game without tabbing the menu, and nobody else sees it.
   Matches the main site's treatment so the two feel like one place. */
.skip-link {
  position: absolute;
  top: 0;
  left: -9999px;
  z-index: 1000;
  padding: 12px 18px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: #0a0c11;
  color: #d8f24f;
}
.skip-link:focus { left: 0; }