/* Suzuki Omnichord - Vintage 1980s Styling */
/* OM-84 inspired: Gray, Ivory, Beige palette */

:root {
  --omnichord-cream: #e8e4dc;
  --omnichord-beige: #c4beb2;
  --omnichord-gray: #6b6a65;
  --omnichord-dark: #3d3c38;
  --omnichord-red: #b84343;
  --omnichord-green: #5a7a5a;
  --omnichord-gold: #c9a227;
  --omnichord-white-key: #f5f2eb;
  --omnichord-black-key: #4a4843;
  --omnichord-highlight: #fffef8;
  --omnichord-shadow: #2a2926;
}

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

body {
  font-family: 'Share Tech Mono', 'Courier New', monospace;
  background: linear-gradient(145deg, #2d2c28 0%, #1a1916 100%);
  min-height: 100vh;
  color: var(--omnichord-cream);
  overflow-x: hidden;
}

/* CRT/Vintage scanline effect */
.scanlines {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

/* Main App Container */
.omnichord-app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
  position: relative;
  z-index: 1;
}

/* Header - Omnichord branding */
.omnichord-header {
  text-align: center;
  padding: 24px 0;
  border-bottom: 2px solid var(--omnichord-beige);
}

.header-badge {
  display: inline-block;
  background: linear-gradient(180deg, var(--omnichord-gray) 0%, var(--omnichord-dark) 100%);
  padding: 16px 32px;
  border-radius: 8px;
  border: 3px solid var(--omnichord-beige);
  box-shadow: 
    inset 0 1px 0 rgba(255,255,255,0.1),
    0 4px 12px rgba(0,0,0,0.5);
}

.suzuki-logo {
  display: block;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--omnichord-gold);
  font-weight: 600;
}

.omnichord-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--omnichord-cream);
  text-shadow: 0 0 20px rgba(201, 162, 39, 0.3);
}

.model-id {
  display: block;
  font-size: 10px;
  color: var(--omnichord-beige);
  margin-top: 4px;
}

.tagline {
  font-size: 12px;
  color: var(--omnichord-beige);
  margin-top: 12px;
  font-style: italic;
}

/* Panel Sections */
.control-panel,
.strum-legend,
.progression-section,
.transport-panel,
.chord-pad-section,
.export-panel {
  background: linear-gradient(180deg, rgba(61, 60, 56, 0.9) 0%, rgba(45, 44, 40, 0.95) 100%);
  border: 2px solid var(--omnichord-beige);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 20px;
  box-shadow: 
    inset 0 1px 0 rgba(255,255,255,0.05),
    0 4px 8px rgba(0,0,0,0.3);
}

.panel-label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--omnichord-gold);
  margin-bottom: 12px;
  text-transform: uppercase;
}

/* Scale Controls */
.scale-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.control-group label {
  font-size: 10px;
  color: var(--omnichord-beige);
}

.control-group select {
  font-family: inherit;
  background: var(--omnichord-dark);
  border: 2px solid var(--omnichord-gray);
  color: var(--omnichord-cream);
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 14px;
  min-width: 120px;
}

/* Vintage Buttons */
.vintage-btn {
  font-family: inherit;
  background: linear-gradient(180deg, var(--omnichord-gray) 0%, var(--omnichord-dark) 100%);
  border: 2px solid var(--omnichord-beige);
  color: var(--omnichord-cream);
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 12px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
}

.vintage-btn:hover {
  background: linear-gradient(180deg, var(--omnichord-beige) 0%, var(--omnichord-gray) 100%);
  color: var(--omnichord-dark);
}

.vintage-btn:active {
  transform: scale(0.98);
}

/* Genre Buttons */
.genre-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.genre-btn {
  font-family: inherit;
  background: var(--omnichord-dark);
  border: 2px solid var(--omnichord-gray);
  color: var(--omnichord-beige);
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.genre-btn:hover {
  border-color: var(--omnichord-beige);
  color: var(--omnichord-cream);
}

.genre-btn.active {
  background: var(--omnichord-green);
  border-color: var(--omnichord-gold);
  color: var(--omnichord-cream);
}

/* Strum Legend */
.strum-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.strum-symbols {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.strum-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 12px;
  background: var(--omnichord-dark);
  border: 2px solid var(--omnichord-gray);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.strum-item:hover, .strum-item.selected {
  border-color: var(--omnichord-gold);
  background: rgba(201, 162, 39, 0.15);
}

.strum-char {
  font-size: 24px;
  color: var(--omnichord-gold);
  margin-bottom: 4px;
}

.strum-item span:last-child {
  font-size: 10px;
  color: var(--omnichord-beige);
}

.strum-hint {
  font-size: 11px;
  color: var(--omnichord-beige);
  opacity: 0.8;
}

/* Chord Progression Display */
.progression-display {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  min-height: 100px;
}

.chord-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 80px;
  padding: 16px 20px;
  background: linear-gradient(180deg, var(--omnichord-white-key) 0%, var(--omnichord-beige) 100%);
  border: 2px solid var(--omnichord-gray);
  border-radius: 6px;
  color: var(--omnichord-dark);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  box-shadow: 
    inset 0 1px 0 rgba(255,255,255,0.5),
    0 2px 4px rgba(0,0,0,0.2);
}

.chord-block:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.chord-block:active {
  transform: scale(0.97);
}

.chord-block.playing {
  box-shadow: 0 0 20px rgba(201, 162, 39, 0.6);
  border-color: var(--omnichord-gold);
}

.chord-block .strum-indicator {
  font-size: 20px;
  color: var(--omnichord-gray);
  margin-top: 4px;
}

.chord-block.playing .strum-indicator {
  color: var(--omnichord-gold);
}

/* Transport Panel */
.transport-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}

.tempo-control label {
  font-size: 10px;
  color: var(--omnichord-beige);
  display: block;
  margin-bottom: 8px;
}

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

#tempo-slider {
  width: 120px;
  accent-color: var(--omnichord-gold);
}

#tempo-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--omnichord-cream);
  min-width: 36px;
}

.bpm-label {
  font-size: 11px;
  color: var(--omnichord-beige);
}

.transport-buttons {
  display: flex;
  gap: 8px;
}

.transport-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--omnichord-gray) 0%, var(--omnichord-dark) 100%);
  border: 2px solid var(--omnichord-beige);
  color: var(--omnichord-cream);
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.transport-btn:hover {
  background: var(--omnichord-green);
  border-color: var(--omnichord-gold);
}

.transport-btn.playing {
  background: var(--omnichord-red);
  animation: pulse 0.5s ease-in-out;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Chord Pad - Omnichord layout */
.chord-pad {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.chord-row {
  display: flex;
  gap: 4px;
  justify-content: center;
}

.chord-btn {
  font-family: inherit;
  min-width: 48px;
  height: 44px;
  border: 2px solid var(--omnichord-dark);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.1s;
}

.chord-btn.white {
  background: linear-gradient(180deg, var(--omnichord-white-key) 0%, var(--omnichord-beige) 100%);
  color: var(--omnichord-dark);
}

.chord-btn.black {
  background: linear-gradient(180deg, var(--omnichord-black-key) 0%, var(--omnichord-dark) 100%);
  color: var(--omnichord-cream);
}

.chord-btn:hover {
  transform: translateY(-1px);
}

.chord-btn:active {
  transform: scale(0.96);
}

/* Export Panel */
.export-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Audio Overlay */
#audio-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 25, 22, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.3s;
}

#audio-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.overlay-content {
  text-align: center;
  padding: 48px;
}

.overlay-content h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2rem;
  color: var(--omnichord-cream);
  margin-bottom: 16px;
}

.overlay-content p {
  color: var(--omnichord-beige);
  margin-bottom: 24px;
}

#audio-start-btn {
  font-family: inherit;
  background: var(--omnichord-green);
  border: 2px solid var(--omnichord-gold);
  color: var(--omnichord-cream);
  padding: 16px 48px;
  font-size: 18px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
}

#audio-start-btn:hover {
  transform: scale(1.05);
}

/* Responsive */
@media (max-width: 600px) {
  .omnichord-app {
    padding: 12px;
  }

  .chord-btn {
    min-width: 36px;
    height: 36px;
    font-size: 10px;
  }

  .chord-block {
    min-width: 60px;
    padding: 12px 16px;
    font-size: 14px;
  }
}