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

body {
  background: #000;
  overflow: hidden;
  font-family: 'JetBrains Mono', monospace;
  color: #eee;
}

canvas {
  display: block;
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 0;
}

#controls {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  pointer-events: none;
}

#controls * {
  pointer-events: auto;
}

#top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: rgba(0,0,0,0.82);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0,255,200,0.15);
  flex-wrap: wrap;
  gap: 6px;
  transition: opacity 0.3s;
}

#top-bar:not(:hover) {
  opacity: 0.7;
}
#top-bar:hover {
  opacity: 1;
}

.bar-left, .bar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.neon-btn {
  background: rgba(0,255,200,0.08);
  border: 1px solid rgba(0,255,200,0.4);
  color: #0fc;
  padding: 5px 12px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.15s;
  white-space: nowrap;
}

.neon-btn:hover {
  background: rgba(0,255,200,0.2);
  box-shadow: 0 0 12px rgba(0,255,200,0.3);
}

.neon-btn.small {
  padding: 5px 8px;
  font-size: 13px;
}

.neon-btn.active {
  background: rgba(255,60,60,0.2);
  border-color: rgba(255,60,60,0.6);
  color: #f55;
  box-shadow: 0 0 10px rgba(255,60,60,0.3);
}

.sf2-btn {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sf2-status-none {
  font-size: 9px;
  color: #666;
  background: rgba(255,255,255,0.05);
  padding: 1px 5px;
  border-radius: 3px;
}

.sf2-status-loaded {
  font-size: 9px;
  color: #0f0;
  background: rgba(0,255,0,0.1);
  padding: 1px 5px;
  border-radius: 3px;
  text-shadow: 0 0 4px rgba(0,255,0,0.5);
}

.synth-select {
  background: rgba(0,0,0,0.8);
  border: 1px solid rgba(0,255,200,0.3);
  color: #0fc;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 3px 6px;
  border-radius: 3px;
  cursor: pointer;
}

.synth-select option {
  background: #111;
  color: #0fc;
}

.transport {
  display: flex;
  gap: 3px;
}

.transport-btn {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  color: #ccc;
  width: 30px; height: 30px;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.transport-btn:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}

.transport-btn.active {
  background: rgba(0,255,200,0.15);
  border-color: rgba(0,255,200,0.4);
  color: #0fc;
}

.speed-control {
  display: flex;
  align-items: center;
  gap: 4px;
}

.speed-control .label {
  font-size: 9px;
  color: #666;
  text-transform: uppercase;
}

.speed-control .val {
  font-size: 11px;
  color: #0fc;
  min-width: 28px;
}

#speed-slider {
  width: 60px;
  accent-color: #0fc;
  height: 4px;
}

#note-counter {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: 'Orbitron', monospace;
}

.counter-label {
  font-size: 8px;
  color: #555;
  letter-spacing: 1px;
}

.counter-val {
  font-size: 16px;
  font-weight: 900;
  color: #0fc;
  text-shadow: 0 0 8px rgba(0,255,200,0.5);
}

.counter-sep {
  color: #333;
  font-size: 14px;
}

#fps-counter {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: #555;
  padding: 3px 8px;
  background: rgba(0,0,0,0.5);
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.05);
}

#fps-val {
  color: #0f0;
  font-weight: 700;
}

#panel-toggle {
  position: fixed;
  top: 50px;
  right: 8px;
  z-index: 15;
}

#side-panel {
  position: fixed;
  top: 48px;
  right: 0;
  width: 240px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  background: rgba(0,0,0,0.92);
  backdrop-filter: blur(10px);
  border-left: 1px solid rgba(0,255,200,0.12);
  border-bottom: 1px solid rgba(0,255,200,0.08);
  padding: 12px;
  z-index: 14;
  transition: transform 0.25s;
}

#side-panel.hidden {
  transform: translateX(260px);
}

#side-panel h3 {
  font-family: 'Orbitron', monospace;
  font-size: 10px;
  color: #0fc;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 10px 0 6px 0;
  border-bottom: 1px solid rgba(0,255,200,0.1);
  padding-bottom: 4px;
}

#side-panel h3:first-child {
  margin-top: 0;
}

.track-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
  font-size: 11px;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.15s;
}

.track-item:hover { opacity: 1; }

.track-item.muted { opacity: 0.3; }

.track-color {
  width: 10px; height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  padding: 2px 0;
  color: #888;
}

.stat-row .stat-val {
  color: #ccc;
  font-weight: 700;
}

#toast-container {
  position: fixed;
  top: 56px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  pointer-events: none;
}

.toast {
  background: rgba(0,0,0,0.9);
  border: 1px solid rgba(0,255,200,0.3);
  color: #0fc;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  animation: toastIn 0.3s ease, toastOut 0.5s ease 2.5s forwards;
  text-shadow: 0 0 6px rgba(0,255,200,0.4);
  max-width: 90vw;
  text-align: center;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(-10px); }
}

#footer-overlay {
  position: fixed;
  bottom: 6px;
  right: 10px;
  z-index: 10;
  opacity: 0.25;
  transition: opacity 0.3s;
}

#footer-overlay:hover { opacity: 0.7; }

#footer-overlay a {
  color: #0fc;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  text-decoration: none;
  letter-spacing: 0.5px;
}

/* Scrollbar styling for side panel */
#side-panel::-webkit-scrollbar { width: 4px; }
#side-panel::-webkit-scrollbar-track { background: transparent; }
#side-panel::-webkit-scrollbar-thumb { background: rgba(0,255,200,0.2); border-radius: 2px; }

@media (max-width: 600px) {
  #top-bar { padding: 4px 6px; gap: 4px; }
  .neon-btn { font-size: 9px; padding: 4px 8px; }
  .counter-val { font-size: 12px; }
  #speed-slider { width: 40px; }
  #side-panel { width: 180px; }
  .sf2-btn { font-size: 9px; padding: 3px 6px; }
}