/* ===== DINO RUNNER GAME ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: #111;
  color: #fff;
  font-family: 'Segoe UI', Arial, sans-serif;
  overflow: hidden;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* HUD */
.game-hud {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  width: 100%;
  max-width: 700px;
  justify-content: space-between;
}

.home-btn {
  background: #0d1a0d;
  border: 1px solid #1a4d1a;
  color: #39ff14;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.1rem;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  flex-shrink: 0;
}
.home-btn:hover { border-color: #39ff14; box-shadow: 0 0 8px #39ff14; }

.hud-score, .hud-best {
  font-size: 15px;
  color: #aaa;
}
.hud-score span, .hud-best span {
  color: #39ff14;
  font-weight: bold;
}

/* Canvas */
#canvas {
  border: 2px solid #39ff1444;
  border-radius: 8px;
  display: block;
  background: #1a1a2e;
}

/* Overlays */
.overlay {
  position: absolute;
  top: 40px;
  left: 0; right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  z-index: 10;
}
.overlay.hidden { display: none; }

.menu-title {
  font-size: 32px;
  color: #39ff14;
  text-shadow: 0 0 20px #39ff1488;
  margin-bottom: 8px;
}
.menu-sub {
  color: #888;
  margin-bottom: 24px;
  font-size: 15px;
}

/* Character selection */
.char-grid {
  display: flex;
  gap: 24px;
  margin-bottom: 24px;
}

.char-btn {
  background: #1e1e3a;
  border: 2px solid #333;
  border-radius: 12px;
  padding: 16px 24px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: border-color 0.2s, transform 0.1s;
  color: #ccc;
  font-size: 15px;
}
.char-btn:hover { border-color: #39ff14; }
.char-btn.selected {
  border-color: #39ff14;
  background: #1e3a1e;
  box-shadow: 0 0 16px #39ff1444;
}

.char-preview {
  width: 64px;
  height: 64px;
}

.char-name {
  font-size: 15px;
  font-weight: bold;
}

.start-btn {
  background: #39ff14;
  color: #111;
  border: none;
  border-radius: 8px;
  padding: 12px 36px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  margin-bottom: 12px;
}
.start-btn:hover { opacity: 0.85; }
.start-btn:active { transform: scale(0.97); }

.back-btn {
  background: transparent;
  color: #aaa;
  border: 1px solid #444;
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 15px;
  cursor: pointer;
  transition: border-color 0.2s;
}
.back-btn:hover { border-color: #888; color: #fff; }

.controls-hint {
  color: #555;
  font-size: 13px;
  margin-top: 4px;
}

/* Game over */
.go-title {
  font-size: 36px;
  color: #ff4444;
  margin-bottom: 20px;
  text-shadow: 0 0 20px #ff444488;
}

.go-stats {
  display: flex;
  gap: 40px;
  margin-bottom: 16px;
}
.go-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.go-stat span { color: #888; font-size: 13px; }
.go-stat strong { color: #39ff14; font-size: 28px; }

.go-record {
  color: #ffd700;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 20px;
  text-shadow: 0 0 10px #ffd70088;
}
.go-record.hidden { display: none; }

.go-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

/* Mobile jump button */
.mobile-jump {
  display: none;
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #39ff1433;
  border: 2px solid #39ff14;
  color: #39ff14;
  font-size: 18px;
  font-weight: bold;
  padding: 16px 48px;
  border-radius: 50px;
  cursor: pointer;
  z-index: 20;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

@media (max-width: 600px) or (pointer: coarse) {
  .mobile-jump { display: block; }
}
@media (pointer: coarse) {
  .mobile-jump { display: block; }
}