* { box-sizing: border-box; }

:root {
  --bg: #0d1117;
  --panel: rgba(13, 17, 23, 0.88);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #ff4d2e;
  --accent-2: #ffb347;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* ---------- Home ---------- */

.home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(1200px 600px at 70% -10%, rgba(255, 77, 46, 0.25), transparent 60%),
    radial-gradient(900px 500px at 10% 110%, rgba(69, 123, 157, 0.3), transparent 60%),
    var(--bg);
  padding: 24px;
}

.home-card { width: 100%; max-width: 720px; text-align: center; }

.logo {
  font-size: 56px;
  letter-spacing: 4px;
  margin: 0 0 4px;
  font-style: italic;
  font-weight: 900;
}
.logo span { color: var(--accent); }
.logo-small { font-size: 28px; margin: 0 0 12px; }

.tagline { color: var(--muted); margin: 0 0 28px; }

.forms {
  display: flex;
  gap: 20px;
  align-items: stretch;
  justify-content: center;
  flex-wrap: wrap;
}

.panel {
  flex: 1 1 260px;
  max-width: 320px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 22px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.panel h2 { margin: 0 0 6px; font-size: 18px; }
.panel label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }

.panel input {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  color: var(--text);
  padding: 10px 12px;
  font-size: 16px;
  outline: none;
}
.panel input:focus { border-color: var(--accent); }
.code-input { text-transform: uppercase; letter-spacing: 6px; font-family: ui-monospace, monospace; }

.divider {
  display: flex;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.btn {
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.15s ease;
}
.btn:hover { background: rgba(255, 255, 255, 0.15); }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #ff6347; }
.btn-ghost { font-size: 13px; padding: 8px 12px; }

.flash {
  background: rgba(230, 57, 70, 0.15);
  border: 1px solid rgba(230, 57, 70, 0.5);
  border-radius: 10px;
  padding: 10px 14px;
  margin-bottom: 18px;
}

.controls-hint { color: var(--muted); font-size: 13px; margin-top: 24px; }
kbd {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
}

/* ---------- Game shell ---------- */

#game-shell { position: fixed; inset: 0; overflow: hidden; }
#game-canvas { position: absolute; inset: 0; }
#game-canvas canvas { display: block; }

.overlay-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(440px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  padding: 26px;
  text-align: center;
  backdrop-filter: blur(6px);
  z-index: 10;
}

.code-box { margin: 10px 0 20px; }
.code-label { font-size: 11px; letter-spacing: 3px; color: var(--muted); }
.code-value {
  font-family: ui-monospace, monospace;
  font-size: 44px;
  letter-spacing: 10px;
  font-weight: 800;
  color: var(--accent-2);
  margin: 4px 0 10px;
}

.roster { list-style: none; margin: 0 0 18px; padding: 0; }
.roster li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 16px;
}
.roster .swatch { width: 16px; height: 16px; border-radius: 4px; flex: none; }
.roster .host-badge {
  margin-left: auto;
  font-size: 11px;
  color: var(--accent-2);
  border: 1px solid var(--accent-2);
  border-radius: 4px;
  padding: 1px 6px;
}
.roster .offline { opacity: 0.4; }

#waiting-msg, #results-waiting { color: var(--muted); }
.leave-link { color: var(--muted); font-size: 13px; display: inline-block; margin-top: 14px; }

/* ---------- HUD ---------- */

#hud { position: absolute; inset: 0; pointer-events: none; z-index: 5; }

#minimap {
  position: absolute;
  top: 16px;
  left: 16px;
  width: 160px;
  height: 160px;
  background: rgba(10, 14, 20, 0.45);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
}

#hud-speed {
  position: absolute;
  right: 28px;
  bottom: 24px;
  font-size: 52px;
  font-weight: 800;
  font-style: italic;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}
#hud-speed small { font-size: 18px; color: var(--muted); font-style: normal; }

#hud-lap {
  position: absolute;
  left: 190px; /* clears the minimap */
  top: 20px;
  font-size: 28px;
  font-weight: 800;
  font-style: italic;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

#hud-time {
  position: absolute;
  left: 190px; /* clears the minimap */
  top: 58px;
  font-family: ui-monospace, monospace;
  font-size: 18px;
  color: var(--muted);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

#race-feed {
  position: absolute;
  right: 20px;
  top: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}
#race-feed .feed-item {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 14px;
  animation: feed-in 0.25s ease;
}
@keyframes feed-in { from { opacity: 0; transform: translateX(20px); } }

#countdown {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 140px;
  font-weight: 900;
  font-style: italic;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.8);
  z-index: 6;
}

#wrong-way {
  position: absolute;
  top: 24%;
  left: 50%;
  transform: translateX(-50%);
  font-size: 40px;
  font-weight: 900;
  color: var(--accent);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.8);
  z-index: 6;
  animation: blink 0.6s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Finish banner ---------- */

/* An ID selector outranks the [hidden] attribute, so the banner needs its
   own hidden rule or it would show permanently. */
#finish-banner[hidden] { display: none; }

#finish-banner {
  position: absolute;
  top: 42%;
  left: 50%;
  /* A gentle perspective tilt drapes the banner so it reads as fabric rather
     than a flat rectangle. */
  transform: translate(-50%, -50%) perspective(900px) rotateX(9deg);
  width: min(640px, 90vw);
  z-index: 7;
  pointer-events: none;
  border-radius: 22px;
  overflow: hidden;
  background: rgba(10, 12, 16, 0.94);
  border: 3px solid rgba(255, 255, 255, 0.92);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.6), inset 0 0 0 1px rgba(0, 0, 0, 0.55);
  animation: finish-pop 0.5s cubic-bezier(0.2, 0.9, 0.3, 1.35);
}

/* True checkerboard from a single tiled conic-gradient — crisper than the
   overlaid linear gradients, and the rounded container clips it to the curve. */
#finish-banner .checker {
  height: 30px;
  background: conic-gradient(#141414 90deg, #fff 90deg 180deg, #141414 180deg 270deg, #fff 270deg);
  background-size: 30px 30px;
}

#finish-text {
  text-align: center;
  font-size: clamp(40px, 8vw, 66px);
  font-weight: 900;
  font-style: italic;
  letter-spacing: 3px;
  color: #fff;
  padding: 20px 24px;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.85);
}

#finish-banner.victory #finish-text {
  color: #ffd23f;
  text-shadow: 0 0 26px rgba(255, 210, 63, 0.6), 0 3px 18px rgba(0, 0, 0, 0.85);
}

@keyframes finish-pop {
  from { transform: translate(-50%, -50%) perspective(900px) rotateX(9deg) scale(0.7); opacity: 0; }
  to   { transform: translate(-50%, -50%) perspective(900px) rotateX(9deg) scale(1); opacity: 1; }
}

#results-list { text-align: left; font-size: 17px; padding-left: 30px; }
#results-list li { margin: 8px 0; }
#results-list .time { color: var(--muted); font-family: ui-monospace, monospace; margin-left: 8px; }

/* ---------- Audio toolbar ---------- */

#audio-controls {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 8;
}

.audio-btn {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  backdrop-filter: blur(4px);
  -webkit-tap-highlight-color: transparent;
}
.audio-btn:hover { background: rgba(255, 255, 255, 0.14); }
.audio-btn.off { opacity: 0.55; }

/* ---------- Touch controls (mobile) ---------- */

#touch-controls {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 7;
}

.touch-cluster {
  position: absolute;
  bottom: max(24px, env(safe-area-inset-bottom));
  display: flex;
  gap: 16px;
  align-items: flex-end;
}
.touch-cluster.steer { left: max(18px, env(safe-area-inset-left)); }
.touch-cluster.pedals { right: max(18px, env(safe-area-inset-right)); }

.touch-btn {
  pointer-events: auto;
  width: 74px;
  height: 74px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.touch-btn svg { width: 46%; height: 46%; }
.touch-btn.active { background: rgba(255, 255, 255, 0.32); }
.touch-btn.gas { width: 92px; height: 92px; }
.touch-btn.gas.active { background: rgba(120, 220, 120, 0.35); }
.touch-btn.brake.active { background: rgba(230, 80, 60, 0.4); }
.touch-btn.handbrake { width: 58px; height: 58px; }

/* Narrow (portrait phone) screens: shrink the buttons so the steering and
   pedal clusters never overlap. */
@media (max-width: 540px) {
  .touch-cluster { gap: 10px; }
  .touch-btn { width: 56px; height: 56px; }
  .touch-btn.gas { width: 72px; height: 72px; }
  .touch-btn.handbrake { width: 46px; height: 46px; }
}

/* Keep the speedometer clear of the pedal cluster on touch devices. */
.touch-mode #hud-speed { right: 24px; bottom: 140px; font-size: 38px; }
.touch-mode #hud-speed small { font-size: 14px; }
.touch-mode #minimap { width: 110px; height: 110px; }
.touch-mode #hud-lap { left: 140px; font-size: 22px; }
.touch-mode #hud-time { left: 140px; top: 50px; font-size: 15px; }

#connection-lost {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(230, 57, 70, 0.9);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 20;
}