* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-0: #120b07;
  --bg-1: #2a170d;
  --oil: #1a120c;
  --steel: #c5d0d9;
  --heat: #ff5a18;
  --heat-2: #ffbf2f;
  --mint: #6fffe9;
  --ok: #9bff6f;
  --text: #fff4e6;
  --muted: rgba(255, 237, 211, 0.76);
  --panel: rgba(24, 15, 10, 0.88);
  --panel-border: rgba(255, 244, 224, 0.2);
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 106, 29, 0.24), transparent 44%),
    radial-gradient(circle at 80% 84%, rgba(111, 255, 233, 0.16), transparent 36%),
    linear-gradient(145deg, var(--bg-0), var(--bg-1));
  color: var(--text);
  font-family: 'Chakra Petch', sans-serif;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

#gameCanvas {
  display: block;
  width: 100vw;
  height: 100vh;
}

.back-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 1200;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  background: rgba(0, 0, 0, 0.32);
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  transition: 0.18s ease;
}

.back-link:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.34);
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  transition: opacity 0.24s ease, transform 0.24s ease;
}

.overlay.hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.98);
}

.panel {
  width: min(450px, 100%);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 22px;
  padding: 30px 24px;
  text-align: center;
  backdrop-filter: blur(16px);
  box-shadow:
    0 24px 90px rgba(0, 0, 0, 0.44),
    inset 0 0 18px rgba(255, 255, 255, 0.05);
}

.title {
  font-family: 'Bungee', sans-serif;
  font-size: clamp(1.8rem, 8vw, 2.8rem);
  line-height: 1.06;
  letter-spacing: 0.04em;
  text-shadow:
    0 0 24px rgba(255, 90, 24, 0.55),
    0 0 42px rgba(255, 191, 47, 0.25);
}

.subtitle {
  margin-top: 10px;
  margin-bottom: 26px;
  color: var(--muted);
  letter-spacing: 0.12em;
  font-size: 0.79rem;
}

.best-row {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 20px;
}

.best-row span {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.best-row strong {
  font-size: 2rem;
  color: var(--heat-2);
  text-shadow: 0 0 16px rgba(255, 191, 47, 0.42);
}

.btn {
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 14px 16px;
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.14s ease, filter 0.14s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, #ff7a1f, #ffbf2f 50%, #6fffe9 110%);
  color: #1a1008;
}

.btn-primary:hover {
  filter: brightness(1.06);
}

.btn-secondary {
  margin-top: 10px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: var(--text);
}

.hint {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.03em;
}

.over-title {
  font-family: 'Bungee', sans-serif;
  letter-spacing: 0.08em;
  font-size: 1.65rem;
  margin-bottom: 4px;
}

.over-game-name {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--muted);
  margin-bottom: 12px;
}

.score-label {
  font-size: 0.73rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.score-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--heat-2);
  margin-top: 4px;
  text-shadow: 0 0 18px rgba(255, 191, 47, 0.44);
}

.stats {
  margin: 16px 0 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 700;
}

.stat-label {
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.share-feedback {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--ok);
}

.share-feedback.hidden {
  visibility: hidden;
}

.hud {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 12;
  display: flex;
  gap: 8px;
}

.hud.hidden {
  display: none;
}

.hud-chip {
  background: rgba(18, 11, 7, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 8px 12px;
  min-width: 92px;
  text-align: center;
}

.hud-chip span {
  display: block;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.hud-chip strong {
  display: block;
  margin-top: 2px;
  font-size: 1rem;
}

.touch-controls {
  position: fixed;
  inset: 0;
  z-index: 18;
  display: none;
  pointer-events: none;
}

.touch-btn {
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(16, 9, 5, 0.72);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 8px;
  font-size: 1rem;
  letter-spacing: 0.07em;
  width: 56px;
  height: 56px;
  pointer-events: auto;
}

.touch-btn:active {
  background: rgba(255, 122, 31, 0.42);
}

.touch-btn-jump {
  border-color: rgba(111, 255, 233, 0.5);
  background: rgba(22, 34, 30, 0.72);
}

.touch-btn-xl {
  width: 76px;
  height: 76px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.touch-jump-cluster {
  position: absolute;
  left: 16px;
  bottom: 16px;
  pointer-events: none;
}

.touch-dpad {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: grid;
  grid-template-columns: repeat(3, 56px);
  grid-template-rows: repeat(3, 56px);
  gap: 8px;
  pointer-events: none;
}

.touch-btn-dir {
  border-radius: 12px;
  font-size: 1.35rem;
  line-height: 1;
  font-weight: 700;
  background: rgba(18, 11, 7, 0.78);
}

.touch-pad-spacer {
  width: 56px;
  height: 56px;
}

@media (max-width: 920px),
(hover: none) {
  .touch-controls {
    display: block;
  }
}

@media (max-width: 560px) {
  .back-link {
    top: 10px;
    left: 10px;
    font-size: 0.75rem;
    padding: 7px 10px;
  }

  .panel {
    padding: 24px 16px;
  }

  .button-row {
    grid-template-columns: 1fr;
  }

  .hud {
    gap: 6px;
    top: 10px;
  }

  .hud-chip {
    min-width: 78px;
    padding: 7px 9px;
  }

  .touch-btn {
    width: 50px;
    height: 50px;
  }

  .touch-btn-xl {
    width: 70px;
    height: 70px;
  }

  .touch-dpad {
    grid-template-columns: repeat(3, 50px);
    grid-template-rows: repeat(3, 50px);
    gap: 6px;
    right: 10px;
    bottom: 10px;
  }

  .touch-pad-spacer {
    width: 50px;
    height: 50px;
  }

  .touch-jump-cluster {
    left: 10px;
    bottom: 10px;
  }
}