:root {
  --bg: #05051a;
  --bg-2: #0b0b2a;
  --wall: #2b2bff;
  --wall-glow: #5b6bff;
  --dot: #ffd9a0;
  --accent: #ff5ea8;
  --text: #f5f5ff;
  --maze-w: 456px;
  --maze-h: 504px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  height: 100%;
}

body {
  background:
    radial-gradient(1200px 600px at 50% -10%, #1a1a4a 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  padding: 16px;
  overflow: hidden;
}

#app {
  width: min(100%, var(--maze-w));
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* HUD */
#hud {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
}

.hud-item {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.hud-item--right {
  align-items: flex-end;
}

.hud-label {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--wall-glow);
  opacity: 0.85;
}

.hud-value {
  font-size: 24px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.lives {
  display: flex;
  gap: 4px;
}

.life-icon {
  width: 26px;
  height: 26px;
  object-fit: contain;
  filter: drop-shadow(0 0 3px rgba(255, 94, 168, 0.7));
}

.hud-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

#title {
  margin: 0;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 1px;
  text-align: center;
  text-shadow: 0 0 12px rgba(255, 94, 168, 0.6);
}

.hud-level {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}

.hud-level .hud-label {
  font-size: 11px;
}

.hud-level #level {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

#title span {
  color: var(--accent);
}

/* Stage / canvas */
#stage {
  position: relative;
  width: 100%;
  aspect-ratio: 456 / 504;
  border-radius: 16px;
  overflow: hidden;
  box-shadow:
    0 0 0 2px rgba(91, 107, 255, 0.4),
    0 20px 60px rgba(0, 0, 0, 0.6),
    inset 0 0 80px rgba(43, 43, 255, 0.15);
  background: var(--bg-2);
}

#game {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: auto;
  touch-action: none;
}

/* Sound toggle */
.sound-toggle {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 6;
  appearance: none;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(11, 11, 42, 0.7);
  border: 1.5px solid rgba(91, 107, 255, 0.6);
  border-radius: 999px;
  padding: 6px 12px;
  backdrop-filter: blur(4px);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.sound-toggle:hover {
  border-color: var(--accent);
}

.sound-toggle .sound-off {
  display: none;
  color: #9aa0c9;
}

.sound-toggle.muted .sound-on {
  display: none;
}

.sound-toggle.muted .sound-off {
  display: inline;
}

/* Overlay */
.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 5, 26, 0.82);
  backdrop-filter: blur(6px);
  transition: opacity 0.25s ease;
  z-index: 5;
}

.overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.overlay-card {
  text-align: center;
  padding: 28px 22px;
  max-width: 90%;
}

.overlay-face {
  width: 130px;
  height: 130px;
  object-fit: contain;
  filter: drop-shadow(0 0 18px rgba(255, 94, 168, 0.65));
  margin-bottom: 14px;
}

.overlay-card h2 {
  margin: 0 0 8px;
  font-size: 30px;
  font-weight: 900;
}

.overlay-card p {
  margin: 0 0 18px;
  color: #c9c9ee;
  font-size: 15px;
  line-height: 1.5;
}

.overlay-hint {
  font-size: 12px !important;
  opacity: 0.7;
  margin: 14px 0 0 !important;
}

.btn {
  appearance: none;
  border: none;
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 1px;
  color: #1a0a16;
  background: linear-gradient(180deg, #ff8ac4, var(--accent));
  padding: 12px 38px;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(255, 94, 168, 0.45);
  transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(255, 94, 168, 0.6);
}

.btn:active {
  transform: translateY(0);
}

/* Touch controls */
#touch-controls {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.dpad-row {
  display: flex;
  gap: 8px;
}

.dpad {
  width: 64px;
  height: 64px;
  font-size: 22px;
  color: var(--text);
  background: rgba(91, 107, 255, 0.15);
  border: 2px solid rgba(91, 107, 255, 0.5);
  border-radius: 14px;
  cursor: pointer;
}

.dpad:active {
  background: rgba(255, 94, 168, 0.3);
}

@media (hover: none) and (pointer: coarse) {
  #touch-controls {
    display: flex;
  }
}