/* Midiestro Theme - Teal/Purple Palette */
:root {
  /* Primary and Accent Colors (Light Mode: Teal primary, Purple accent) */
  --midi-primary: rgb(4, 120, 87);
  --midi-primary-hover: rgb(6, 95, 70);
  --midi-primary-pressed: rgb(5, 74, 54);
  --midi-accent: rgb(124, 58, 237);
  --midi-accent-hover: rgb(147, 51, 234);
  --midi-accent-pressed: rgb(107, 33, 168);
}

/* Dark Mode - Teal stays primary (lighter variant), Purple accent */
[data-theme="dark"] {
  --midi-primary: rgb(0, 212, 170);
  --midi-primary-hover: rgb(0, 194, 154);
  --midi-primary-pressed: rgb(0, 180, 140);
  --midi-accent: rgb(192, 132, 252);
  --midi-accent-hover: rgb(205, 147, 255);
  --midi-accent-pressed: rgb(180, 118, 252);
}

/* Collapsible Card Styles */
.collapsible-card {
  max-width: 1200px;
  margin: var(--space-4) auto;
  background-color: var(--color-surface);
  border-radius: var(--radius-medium);
  box-shadow: var(--elevation-2);
  overflow: hidden;
}

.collapsible-card .card-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  cursor: pointer;
  background-color: var(--color-surface);
  transition: background-color var(--transition-fast);
}

.collapsible-card .card-header:hover {
  background-color: var(--color-surface-variant);
}

.collapsible-card .card-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: 500;
}

.collapsible-card .chevron {
  font-size: 24px;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.collapsible-card.expanded .chevron {
  transform: rotate(180deg);
}

.collapsible-card .card-content {
  padding: var(--space-6);
  border-top: 1px solid var(--color-surface-variant);
}

.collapsible-card .card-content.hidden {
  display: none;
}

/* Play Progress Centered Layout */
#playProgress {
  background-color: var(--color-surface);
  box-shadow: var(--elevation-2);
  border-radius: var(--radius-medium);
  padding: var(--space-6);
  margin: var(--space-4) auto;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

#SongTime {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-4);
  width: 100%;
}

#SongTime > span, #SongTime > label {
  font-size: var(--font-size-base);
  color: var(--color-on-surface);
}

#SongTime label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

/* Play Button - Uses theme primary color */
#tonePlayToggle {
  background-color: var(--midi-primary);
  color: white;
  border: none;
  font-size: var(--font-size-lg);
  font-weight: 600;
  padding: var(--space-4) var(--space-8);
  min-width: 150px;
  border-radius: var(--radius-medium);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

#tonePlayToggle:hover:not(:disabled) {
  background-color: var(--midi-primary-hover);
  box-shadow: var(--elevation-2);
}

#tonePlayToggle:active:not(:disabled) {
  background-color: var(--midi-primary-pressed);
}

#tonePlayToggle:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Score Display */
#playProgress > span {
  font-size: var(--font-size-base);
  color: var(--color-on-surface);
}

/* High Score Section */
#SongHighScore {
  width: 100%;
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-surface-variant);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.high-score-text {
  font-size: var(--font-size-base);
  color: var(--color-on-surface);
}

.high-score-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.high-score-buttons button {
  background-color: var(--midi-accent);
  color: white;
  border: none;
}

.high-score-buttons button:hover {
  background-color: var(--midi-accent-hover);
}

.high-score-buttons button:active {
  background-color: var(--midi-accent-pressed);
}

/* Midi Song Config - Always visible (not collapsible) */
#midiSongConfig {
  background-color: var(--color-surface);
  box-shadow: var(--elevation-2);
  border-radius: var(--radius-medium);
  padding: var(--space-6);
  margin: var(--space-4) auto;
  max-width: 1200px;
}

/* Responsive Layout */
@media (max-width: 768px) {
  #playProgress {
    padding: var(--space-4);
  }
  
  #tonePlayToggle {
    font-size: var(--font-size-base);
    padding: var(--space-3) var(--space-6);
    min-width: 120px;
  }
  
  #SongHighScore {
    flex-direction: column;
  }
  
  .high-score-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  #SongTime {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  
  .collapsible-card {
    padding: var(--space-4);
  }
  
  .collapsible-card .card-header {
    padding: var(--space-3) var(--space-4);
  }
  
  .collapsible-card .card-content {
    padding: var(--space-4);
  }
}

/* Three.js container specific styles */
#threeJSContainer {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
}

#threeCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}