.container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.track {
  position: relative;
  flex: 1;
  height: 0.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0.25rem;
  overflow: hidden;
}

.sm { height: 0.25rem; }
.md { height: 0.5rem; }
.lg { height: 0.75rem; }

.bar {
  --progress-color: #00f0ff;
  height: 100%;
  background: var(--progress-color);
  border-radius: 0.25rem;
  transition: width 0.5s ease;
}

/* Variants */
.cyan { --progress-color: #00f0ff; }
.pink { --progress-color: #ff00ff; }
.green { --progress-color: #00ff88; }
.purple { --progress-color: #a855f7; }

.rainbow {
  background: linear-gradient(90deg, #00f0ff, #ff00ff, #00ff88, #00f0ff);
  background-size: 200% 100%;
  animation: rainbow-shift 3s linear infinite;
}

@keyframes rainbow-shift {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

/* Shimmer animation */
.animated {
  position: relative;
  overflow: hidden;
}

.animated::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Glow effect */
.glow {
  position: absolute;
  top: 50%;
  left: 0;
  height: 1.25rem;
  background: var(--progress-color, #00f0ff);
  filter: blur(0.5rem);
  opacity: 0.5;
  transform: translateY(-50%);
  pointer-events: none;
}

/* Value display */
.value {
  font-family: var(--font-display, 'Orbitron', monospace);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--progress-color, #00f0ff);
  min-width: 2.5rem;
  text-align: right;
}