* {
  box-sizing: border-box;
}

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

body {
  display: grid;
  place-items: center;
  background: #151515;
  font-family: Arial, sans-serif;
}

#gameCanvas {
  display: block;
  width: min(100vw, calc(100vh * var(--world-ratio, 1.777)));
  height: auto;
  max-height: 100vh;
  background: #000;
  image-rendering: pixelated;
}

.music-player {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 10;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  width: min(330px, calc(100vw - 36px));
  padding: 10px;
  color: #f8f8f8;
  background: rgba(18, 18, 18, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
}

.music-cover {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: #111;
  background: #3ee66f;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 800;
}

.music-info {
  min-width: 0;
}

.music-info p {
  margin: 0;
  line-height: 1.2;
}

.music-kicker,
.music-subtitle,
.volume-control {
  color: #b8b8b8;
  font-size: 0.72rem;
}

.music-title {
  overflow: hidden;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.music-toggle {
  width: 44px;
  height: 32px;
  color: #101010;
  background: #3ee66f;
  border: 0;
  border-radius: 16px;
  cursor: pointer;
  font-weight: 800;
}

.music-toggle.is-muted {
  color: #fff;
  background: #555;
}

.volume-control {
  grid-column: 2 / 4;
  display: flex;
  gap: 8px;
  align-items: center;
}

.volume-control input {
  width: 100%;
  accent-color: #3ee66f;
  cursor: pointer;
}