@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

:root {
  --bg: #05080f;
  --card: rgba(255, 255, 255, 0.03);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #7dd3fc;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
}

#screen-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.ui-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
}

.control-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.4) 70%, transparent);
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: auto;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.control-bar.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.control-bar.visible {
  opacity: 1;
  transform: translateY(0);
}

.controls-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.primary-controls {
  gap: 8px;
}

.primary-controls button {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.1);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, transform 0.1s ease;
}

.primary-controls button:hover {
  background: rgba(255,255,255,0.2);
  transform: scale(1.05);
}

.primary-controls button:active {
  transform: scale(0.95);
}

.channel-info {
  margin-left: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.channel-name {
  font-weight: 600;
  font-size: 1rem;
}

.channel-index {
  font-size: 0.75rem;
  color: var(--muted);
}

.secondary-controls button {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.secondary-controls button:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--accent);
}

.secondary-controls button.active {
  background: rgba(125, 211, 252, 0.15);
  border-color: var(--accent);
}

.channel-controls,
.advanced-controls {
  gap: 16px;
}

.control {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 100px;
}

.control__title {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.control input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.1);
  appearance: none;
  cursor: pointer;
}

.control input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

.control input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.control select {
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
}

.advanced {
  color: var(--muted);
  font-size: 0.85rem;
}

.advanced summary {
  cursor: pointer;
  padding: 4px 0;
}

.advanced[open] {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Mobile adjustments */
@media (max-width: 600px) {
  .control-bar {
    padding: 12px 16px;
  }
  
  .secondary-controls button {
    padding: 6px 10px;
    font-size: 0.8rem;
  }
  
  .control {
    min-width: 80px;
  }
}