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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #0a0a0a;
  font-family: 'Inter', system-ui, sans-serif;
  color: #f4ecd8;
  -webkit-user-select: none;
  user-select: none;
}

#game-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#game-canvas {
  display: block;
  background: #1a2a1a;
  image-rendering: auto;
}

/* Shared screen overlay */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.screen[hidden] { display: none; }

.screen-bg {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(4px);
}

.screen-content {
  position: relative;
  text-align: center;
  z-index: 1;
  padding: 2rem;
  max-width: 420px;
}

.game-logo {
  font-family: 'Cinzel', serif;
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 700;
  color: #f0a73e;
  text-shadow: 0 0 30px rgba(240, 167, 62, 0.5);
  margin-bottom: 0.4rem;
}

.game-subtitle {
  font-size: 0.95rem;
  color: #c9b89a;
  margin-bottom: 1rem;
  font-style: italic;
}

.game-brand {
  font-size: 0.75rem;
  color: #8a7a6a;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.title-info {
  margin-bottom: 1.5rem;
}

.best-label {
  font-size: 0.85rem;
  color: #c9b89a;
}

.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  min-width: 140px;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: #f0a73e;
  color: #1a1423;
  box-shadow: 0 0 20px rgba(240, 167, 62, 0.4);
}

.btn-primary:hover { box-shadow: 0 0 30px rgba(240, 167, 62, 0.6); }

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #c9b89a;
  border: 1px solid rgba(240, 167, 62, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}

.controls-hint {
  margin-top: 1.5rem;
  font-size: 0.75rem;
  color: #6a5a4a;
}

.back-link {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.75rem;
  color: #6a5a4a;
  text-decoration: none;
}
.back-link:hover { color: #f4ecd8; text-decoration: underline; }

/* Game Over */
.score-display { margin-bottom: 1.5rem; }

.final-score-label {
  font-size: 0.85rem;
  color: #8a7a6a;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.final-score {
  font-family: 'Cinzel', serif;
  font-size: 3rem;
  font-weight: 700;
  color: #f0a73e;
  line-height: 1.2;
}

.new-best {
  color: #ffd27a;
  font-weight: 700;
  font-size: 0.9rem;
  animation: pulse 0.8s ease-in-out infinite alternate;
}

@keyframes pulse {
  from { opacity: 0.6; transform: scale(1); }
  to { opacity: 1; transform: scale(1.05); }
}

.stat-line {
  font-size: 0.85rem;
  color: #c9b89a;
  margin-top: 0.5rem;
}

.over-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: center;
}

/* HUD */
.hud {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 5;
  padding: 0.5rem 1rem;
  pointer-events: none;
}

.hud-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hud-row-2 { margin-top: 0.15rem; }

.hud-score {
  font-family: 'Cinzel', serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: #f0a73e;
  text-shadow: 0 0 10px rgba(240, 167, 62, 0.3);
}

.hud-zone {
  font-size: 0.8rem;
  color: #c9b89a;
  text-align: center;
}

.hud-lives {
  font-size: 1rem;
  letter-spacing: 2px;
}

.hud-distance {
  font-size: 0.75rem;
  color: #8a7a6a;
}

.hud-speed {
  font-size: 0.75rem;
  color: #8a7a6a;
  transition: color 0.2s;
}

/* Combo meter */
.hud-combo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0.4rem auto 0;
  width: max-content;
  padding: 0.2rem 0.7rem;
  background: rgba(10, 10, 10, 0.45);
  border: 1px solid rgba(255, 210, 122, 0.4);
  border-radius: 999px;
  animation: comboPop 0.25s ease-out;
}

.hud-combo[hidden] { display: none; }

.combo-mult {
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: #ffd27a;
  text-shadow: 0 0 10px rgba(255, 210, 122, 0.6);
}

.combo-label {
  font-size: 0.6rem;
  letter-spacing: 2px;
  color: #c9b89a;
}

.combo-bar {
  display: inline-block;
  width: 60px;
  height: 5px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  overflow: hidden;
}

.combo-bar-fill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, #f0a73e, #ffd27a);
  transition: width 0.1s linear;
}

@keyframes comboPop {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Mute toggle */
.mute-indicator {
  position: absolute;
  bottom: 0.7rem;
  right: 0.7rem;
  z-index: 7;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(10, 10, 10, 0.45);
  color: #f4ecd8;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.15s;
}

.mute-indicator:hover { background: rgba(10, 10, 10, 0.7); transform: scale(1.08); }

/* Pause overlay */
.pause-overlay {
  position: absolute;
  inset: 0;
  z-index: 8;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 10, 0.6);
  font-family: 'Cinzel', serif;
  font-size: 2rem;
  color: #f0a73e;
}

.pause-overlay[hidden] { display: none; }

.pause-hint {
  font-family: 'Inter', sans-serif;
  font-size: 0.85rem;
  color: #8a7a6a;
  margin-top: 0.5rem;
}

/* Zone transition banner */
.zone-banner {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  animation: bannerFade 3s ease-in-out forwards;
}

.zone-banner[hidden] { display: none; }

@keyframes bannerFade {
  0% { opacity: 0; transform: translateY(20px); }
  15% { opacity: 1; transform: translateY(0); }
  70% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-20px); }
}

.zone-banner-inner {
  text-align: center;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(6px);
  padding: 1rem 2.5rem;
  border-radius: 12px;
  border: 1px solid rgba(240, 167, 62, 0.3);
}

.zone-banner-label {
  display: block;
  font-size: 0.8rem;
  color: #c9b89a;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.3rem;
}

.zone-banner-name {
  font-family: 'Cinzel', serif;
  font-size: 1.6rem;
  color: #f0a73e;
  text-shadow: 0 0 20px rgba(240, 167, 62, 0.4);
}