:root {
  color-scheme: dark;
  --bg: #07111f;
  --panel: rgba(6, 18, 32, 0.78);
  --panel-border: rgba(255, 255, 255, 0.12);
  --text: #f4f7fb;
  --muted: #93a8bd;
  --accent: #ffb84d;
  --accent-strong: #ff7a18;
  --success: #8df0c8;
  --danger: #ff7f7f;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at top, rgba(41, 93, 150, 0.45), transparent 45%),
    linear-gradient(180deg, #0b1830 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Segoe UI", "Yu Gothic UI", sans-serif;
}

.hud-shell {
  position: relative;
  width: 100%;
  height: 100%;
}

#renderCanvas {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}

.start-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at center, rgba(21, 42, 68, 0.18), rgba(3, 9, 17, 0.72)),
    rgba(4, 10, 18, 0.34);
  backdrop-filter: blur(8px);
}

.start-card {
  min-width: 260px;
  padding: 28px 32px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 24px;
  background: rgba(6, 18, 32, 0.82);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.35);
  text-align: center;
}

.start-title {
  margin: 0 0 18px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.lap-picker {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 18px;
}

.lap-option {
  position: relative;
}

.lap-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.lap-option span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  padding: 10px 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.lap-option input:checked + span {
  background: rgba(255, 184, 77, 0.18);
  border-color: rgba(255, 184, 77, 0.65);
  color: var(--accent);
}

.lap-option.is-disabled span {
  opacity: 0.35;
  cursor: not-allowed;
}

.start-button {
  padding: 12px 28px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #07111f;
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 12px 24px rgba(255, 122, 24, 0.28);
}

.start-button:hover {
  filter: brightness(1.04);
}

.ghost-load {
  display: flex;
  gap: 10px;
  margin-bottom: 10px;
}

.ghost-input {
  flex: 1;
  min-width: 0;
  padding: 11px 14px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
  text-transform: uppercase;
}

.ghost-button {
  padding: 11px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.ghost-button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.ghost-status {
  min-height: 20px;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
}

.active-ghost {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.mobile-tilt {
  margin-bottom: 14px;
}

.hud {
  position: absolute;
  z-index: 2;
  display: flex;
  gap: 12px;
}

.top-left {
  top: 18px;
  left: 18px;
  align-items: flex-start;
  max-width: min(520px, calc(100vw - 36px));
}

.hud-column {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mini-map {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 2;
}

.mini-map-panel {
  min-width: 0;
  padding: 10px;
  background: rgba(6, 18, 32, 0.34);
}

#miniMapCanvas {
  display: block;
  width: 220px;
  height: 220px;
  border-radius: 12px;
  background:
    radial-gradient(circle at top, rgba(80, 124, 189, 0.12), transparent 55%),
    rgba(4, 12, 21, 0.16);
}

.panel {
  min-width: 110px;
  padding: 10px 14px;
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  background: var(--panel);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.label {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.panel strong {
  font-size: 20px;
  font-weight: 700;
}

.section-times {
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
}

.section-row {
  white-space: nowrap;
}

.section-toggle {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
}

.center {
  inset: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  pointer-events: none;
}

.countdown,
.wrong-way,
.pause {
  padding: 12px 28px;
  border-radius: 999px;
  background: rgba(3, 10, 18, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: clamp(32px, 8vw, 76px);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-shadow: 0 0 18px rgba(255, 184, 77, 0.2);
}

.countdown {
  color: var(--accent);
}

.wrong-way {
  margin-bottom: 12px;
  color: #ff7f7f;
  font-size: clamp(22px, 5vw, 42px);
  letter-spacing: 0.12em;
}

.signal-housing {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 22px;
}

.signal-light {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(36, 45, 58, 0.9);
  border: 2px solid rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.45);
}

.signal-light.active-red {
  background: #ff5448;
  box-shadow:
    0 0 18px rgba(255, 84, 72, 0.65),
    inset 0 0 10px rgba(255, 255, 255, 0.3);
}

.signal-light.active-green {
  background: #8df0c8;
  box-shadow:
    0 0 22px rgba(141, 240, 200, 0.75),
    inset 0 0 10px rgba(255, 255, 255, 0.3);
}

.signal-go {
  width: 46px;
  height: 46px;
}

.pause {
  margin-top: 12px;
  color: var(--danger);
  font-size: clamp(24px, 5vw, 44px);
}

.result {
  position: absolute;
  top: 50%;
  right: 28px;
  transform: translateY(-50%);
  z-index: 2;
  width: min(320px, calc(100vw - 40px));
  padding: 24px;
  border-radius: 20px;
  background: rgba(5, 16, 27, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.finish-place {
  margin: 0;
  color: var(--success);
  font-size: 42px;
  font-weight: 800;
}

.finish-line,
.restart-hint {
  margin: 8px 0 0;
}

.lap-times {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  display: grid;
  gap: 8px;
}

.share-panel {
  margin-top: 16px;
  display: grid;
  gap: 8px;
}

.share-actions {
  display: flex;
  gap: 10px;
}

.shared-ghost-id {
  margin: 0;
  color: var(--accent);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.shared-ghost-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.copy-icon-button {
  position: relative;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  cursor: pointer;
}

.copy-icon-button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.copy-icon {
  position: relative;
  display: block;
  width: 18px;
  height: 18px;
  margin: 0 auto;
}

.copy-icon span {
  position: absolute;
  width: 11px;
  height: 13px;
  border: 2px solid rgba(244, 247, 251, 0.92);
  border-radius: 3px;
}

.copy-icon span:first-child {
  top: 1px;
  left: 5px;
}

.copy-icon span:last-child {
  top: 5px;
  left: 1px;
  background: rgba(6, 18, 32, 0.9);
}

.controls {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: min(680px, calc(100vw - 36px));
}

.controls span {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(5, 14, 23, 0.64);
  color: var(--muted);
  font-size: 13px;
}

.mobile-controls {
  position: absolute;
  inset: auto 0 18px 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  padding: 0 18px;
  pointer-events: none;
}

.touch-drive {
  pointer-events: auto;
  min-width: 112px;
  min-height: 112px;
  border: 0;
  border-radius: 999px;
  color: var(--text);
  font: inherit;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.24);
  touch-action: manipulation;
  user-select: none;
}

.mobile-restart {
  position: absolute;
  right: 18px;
  top: 226px;
  z-index: 2;
  min-width: 92px;
  min-height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(5, 14, 23, 0.74);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.22);
  touch-action: manipulation;
}

.brake-drive {
  background: rgba(255, 127, 127, 0.22);
  border: 1px solid rgba(255, 127, 127, 0.32);
}

.accel-drive {
  background: rgba(141, 240, 200, 0.2);
  border: 1px solid rgba(141, 240, 200, 0.3);
}

.hidden {
  display: none;
}

@media (max-width: 720px) {
  body.mobile-layout #speedPanel {
    display: none;
  }

  body.mobile-layout .controls {
    display: none;
  }

  body.mobile-layout .section-panel {
    min-width: 170px;
  }

  body.mobile-layout .section-panel.is-collapsed .section-times {
    display: none;
  }

  .top-left {
    top: 14px;
    left: 14px;
    gap: 10px;
  }

  .hud-column {
    gap: 10px;
  }

  body.mobile-layout .panel {
    min-width: 74px;
    padding: 6px 8px;
  }

  body.mobile-layout .panel strong {
    font-size: 14px;
  }

  body.mobile-layout .label {
    margin-bottom: 3px;
    font-size: 10px;
  }

  .panel {
    min-width: 92px;
    padding: 8px 10px;
  }

  .panel strong {
    font-size: 17px;
  }

  .result {
    left: 14px;
    right: 14px;
    top: auto;
    bottom: 86px;
    transform: none;
    width: auto;
  }

  .controls {
    left: 14px;
    right: 14px;
    bottom: 14px;
    gap: 8px;
  }

  .mobile-controls {
    bottom: 18px;
    padding: 0 14px;
  }

  .mobile-restart {
    right: 14px;
    top: 184px;
    min-width: 84px;
    min-height: 42px;
    font-size: 13px;
  }

  .touch-drive {
    min-width: 96px;
    min-height: 96px;
    font-size: 16px;
  }

  .signal-housing {
    gap: 10px;
    padding: 12px 16px;
  }

  .signal-light {
    width: 24px;
    height: 24px;
  }

  .signal-go {
    width: 32px;
    height: 32px;
  }

  .mini-map {
    top: 14px;
    right: 14px;
  }

  body.mobile-layout #miniMapCanvas {
    width: 140px;
    height: 140px;
  }
}