:root {
  --accent-cyan: #22d3ee;
  --accent-purple: #a855f7;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --border-color: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }

body {
  background: linear-gradient(170deg, #0a0b14 0%, #0f1029 40%, #130d1e 100%);
  background-attachment: fixed;
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.glass-card-bright {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(16px);
}

.drop-zone {
  border: 2px dashed rgba(255,255,255,0.15);
  transition: all 0.3s ease;
}

.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--accent-cyan);
  background: rgba(34,211,238,0.05);
  box-shadow: 0 0 30px rgba(34,211,238,0.1);
}

.gradient-btn {
  background: linear-gradient(135deg, #22d3ee, #a855f7);
  transition: all 0.2s ease;
}

.gradient-btn:hover:not(:disabled) {
  transform: scale(1.02);
  box-shadow: 0 4px 24px rgba(34,211,238,0.3);
}

.gradient-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.progress-bar-fill {
  background: linear-gradient(90deg, #22d3ee, #a855f7);
  transition: width 0.3s ease;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(34,211,238,0.3); }
  50% { box-shadow: 0 0 20px rgba(34,211,238,0.6); }
}

.encoding-active {
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  animation: fadeInUp 0.4s ease-out forwards;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin {
  animation: spin 1s linear infinite;
}

.slider-cyan::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #22d3ee;
  cursor: pointer;
  box-shadow: 0 0 8px rgba(34,211,238,0.5);
}

.slider-cyan::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.1);
}

.slider-cyan {
  -webkit-appearance: none;
  width: 100%;
  background: transparent;
}

.log-console {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  line-height: 1.5;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.06);
}

.log-console::-webkit-scrollbar {
  width: 6px;
}

.log-console::-webkit-scrollbar-track {
  background: transparent;
}

.log-console::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.15);
  border-radius: 3px;
}

select, input[type="number"] {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: white;
  padding: 8px 12px;
  border-radius: 8px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

select:focus, input[type="number"]:focus {
  border-color: rgba(34,211,238,0.5);
}

select option {
  background: #1a1b2e;
  color: white;
}

.film-reel {
  display: inline-block;
  animation: spin 8s linear infinite;
}

@keyframes reel-wobble {
  0%, 100% { transform: rotate(-2deg); }
  50% { transform: rotate(2deg); }
}

.clapperboard {
  display: inline-block;
  animation: reel-wobble 2s ease-in-out infinite;
}