:root {
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --accent-color: #667eea;
  --text-primary: #1a1a1a;
  --text-secondary: #6b7280;
  --bg-primary: #fafafa;
}
[data-bs-theme='dark'] {
  --glass-bg: rgba(0, 0, 0, 0.2);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --bg-primary: #0a0a0a;
}
* {
  box-sizing: border-box;
}
body {
  background: var(--bg-primary);
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui,
    sans-serif;
  color: var(--text-primary);
  margin: 0;
  padding: 0;
}

.main-container {
  display: flex;
  min-height: 100vh;
  position: relative;
}
.content-area {
  flex: 1;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.content-area.has-content {
  justify-content: flex-start;
  padding-top: 2rem;
}

.side-panel {
  position: fixed;
  top: 2rem;
  right: 2rem;
  width: 400px;
  max-height: calc(100vh - 4rem);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  transform: translateX(calc(100% + 2rem));
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1000;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.side-panel.open {
  transform: translateX(0);
}
.side-panel-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.side-panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

.toggle-container{
  position:fixed;
  top:1rem;
  left:1rem;
  
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1001;
  color: var(--text-primary);
}
.panel-toggle {
  width: 48px;
  height: 48px;
  background:transparent;
  border: 0px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1001;
  color: var(--text-primary);
}
.panel-toggle:hover {
  transform: scale(1.05);
  background: var(--glass-border);
}
.panel-toggle.panel-open {
  right: 26rem;
}

.dark-mode-toggle {
  width: 48px;
  height: 48px;
  background:transparent;
  border: 0px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 1001;
  color: var(--text-primary);
}
.dark-mode-toggle:hover {
  transform: scale(1.05);
  background: var(--glass-border);
}

.upload-area {
  text-align: center;
  max-width: 600px;
  width: 100%;
}
.upload-area.compact {
  max-width: 400px;
  margin-bottom: 1rem;
}
.upload-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 2px dashed var(--glass-border);
  border-radius: 20px;
  padding: 3rem 2rem;
  transition: all 0.3s ease;
  cursor: pointer;
}
.upload-card.compact {
  padding: 1.5rem 1rem;
  border-radius: 16px;
}
.upload-card:hover {
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow);
}
.upload-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem;
  background: var(--primary-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
}
.upload-icon.compact {
  width: 40px;
  height: 40px;
  margin: 0 auto 1rem;
  font-size: 1.2rem;
  border-radius: 10px;
}
.upload-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.upload-title.compact {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}
.upload-subtitle {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}
.upload-subtitle.compact {
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.file-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}
.clear-file-btn {
  padding: 0.5rem 1rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  color: #ef4444;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.clear-file-btn:hover {
  background: rgba(239, 68, 68, 0.2);
  transform: translateY(-1px);
}

.current-file {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  border-radius: 8px;
  border: 1px solid var(--glass-border);
}

#score {
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
}

.filter-section {
  margin-bottom: 2rem;
}
.filter-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}
.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.filter-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}
.filter-option:hover {
  background: var(--glass-border);
}
.filter-option input[type='checkbox'] {
  margin: 0;
}

.abc-section {
  margin-top: 2rem;
}
.abc-textarea {
  width: 100%;
  min-height: 300px;
  padding: 1rem;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  color: var(--text-primary);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  resize: vertical;
}
.abc-textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.abc-warning {
  padding: 0.75rem 1rem;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 8px;
  color: #f59e0b;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.abcjs-highlight {
  fill: var(--accent-color);
}
.abcjs-cursor {
  stroke: #ef4444;
}

.hidden {
  display: none !important;
}

/* Container toggles between bottom mini bar and top header */
#scoreContainer .mini-bar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 1rem;
  width: min(920px, calc(100vw - 2rem));
  background: var(--glass-bg, rgba(255, 255, 255, 0.6));
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border, rgba(0, 0, 0, 0.06));
  border-radius: 16px;
  box-shadow: var(--glass-shadow, 0 6px 24px rgba(0, 0, 0, 0.08));
  padding: 0.75rem 1rem;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: all 0.4s ease;
}
/* When at the very top of the page, convert to a full-width header */
#scoreContainer.stick-top .mini-bar {
  top: 0;
  bottom: auto;
  left: 50%;
  right: auto; /* be explicit */
  transform: translateX(-50%); /* center the element on its midpoint */
  width: min(960px, calc(100vw - 2rem)); /* nicer than that calc('80vw-50%') */
  border-radius: 0 0 16px 16px;
  padding-top: calc(0.5rem + env(safe-area-inset-top));
  padding-left: calc(1rem + env(safe-area-inset-left));
  padding-right: calc(1rem + env(safe-area-inset-right));
}
#player {
  margin: 1rem 0;
}

/* Apple-styled player; robust to abcjs class changes */
/* Old/current abcjs */
#player.apple .abcjs-inline-audio,
      /* Future-proof: if abcjs renames the bar to .abcjs-audio */
      #player.apple .abcjs-audio {
  background: rgba(255, 255, 255, 0.6);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 14px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
  padding: 10px 12px;
  gap: 10px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui,
    sans-serif;
}
#player.apple .abcjs-inline-audio .abcjs-btn,
#player.apple .abcjs-audio .abcjs-btn,
#player.apple [class*='abcjs'] button {
  border: none;
  border-radius: 999px;
  width: 36px;
  height: 36px;
  min-width: 36px;
  min-height: 36px;
  line-height: 36px;
  padding: 0;
  margin: 0;
  background: #000;
  color: #fff;
  transition: transform 0.08s ease, opacity 0.2s ease;
}
#player.apple .abcjs-inline-audio .abcjs-btn:hover,
#player.apple .abcjs-audio .abcjs-btn:hover,
#player.apple [class*='abcjs'] button:hover {
  transform: scale(1.06);
}
#player.apple .abcjs-inline-audio .abcjs-btn:active,
#player.apple .abcjs-audio .abcjs-btn:active,
#player.apple [class*='abcjs'] button:active {
  transform: scale(0.97);
}

#player.apple .abcjs-inline-audio .abcjs-midi-controls > *:not(.abcjs-btn-play),
#player.apple .abcjs-audio .abcjs-midi-controls > *:not(.abcjs-btn-play) {
  opacity: 0.7;
}
#player.apple .abcjs-inline-audio .abcjs-midi-progress-background,
#player.apple .abcjs-audio .abcjs-midi-progress-background,
#player.apple [class*='abcjs'] .abcjs-midi-progress-background {
  height: 6px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.08);
}
#player.apple .abcjs-inline-audio .abcjs-midi-progress-indicator,
#player.apple .abcjs-audio .abcjs-midi-progress-indicator,
#player.apple [class*='abcjs'] .abcjs-midi-progress-indicator {
  height: 6px;
  border-radius: 999px;
  background: #111;
}
#player.apple .abcjs-inline-audio .abcjs-midi-clock,
#player.apple .abcjs-audio .abcjs-midi-clock,
#player.apple [class*='abcjs'] .abcjs-midi-clock {
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  color: rgba(0, 0, 0, 0.7);
  padding-left: 8px;
}
[data-bs-theme='dark'] #player.apple .abcjs-inline-audio,
[data-bs-theme='dark'] #player.apple .abcjs-audio {
  background: rgba(20, 20, 20, 0.6);
  border-color: rgba(255, 255, 255, 0.08);
}
[data-bs-theme='dark'] #player.apple .abcjs-inline-audio .abcjs-btn,
[data-bs-theme='dark'] #player.apple .abcjs-audio .abcjs-btn,
[data-bs-theme='dark'] #player.apple [class*='abcjs'] button {
  background: #fff;
  color: #000;
}
[data-bs-theme='dark']
  #player.apple
  .abcjs-inline-audio
  .abcjs-midi-progress-background,
[data-bs-theme='dark']
  #player.apple
  .abcjs-audio
  .abcjs-midi-progress-background,
[data-bs-theme='dark']
  #player.apple
  [class*='abcjs']
  .abcjs-midi-progress-background {
  background: rgba(255, 255, 255, 0.12);
}
[data-bs-theme='dark']
  #player.apple
  .abcjs-inline-audio
  .abcjs-midi-progress-indicator,
[data-bs-theme='dark']
  #player.apple
  .abcjs-audio
  .abcjs-midi-progress-indicator,
[data-bs-theme='dark']
  #player.apple
  [class*='abcjs']
  .abcjs-midi-progress-indicator {
  background: #fff;
}
[data-bs-theme='dark'] #player.apple .abcjs-inline-audio .abcjs-midi-clock,
[data-bs-theme='dark'] #player.apple .abcjs-audio .abcjs-midi-clock,
[data-bs-theme='dark'] #player.apple [class*='abcjs'] .abcjs-midi-clock {
  color: rgba(255, 255, 255, 0.85);
}

@media (max-width: 768px) {
  .side-panel {
    width: calc(100vw - 2rem);
    right: 1rem;
    top: 1rem;
    max-height: calc(100vh - 2rem);
  }
  .panel-toggle {
  }
  .panel-toggle.panel-open {
    display: none;
  }
  .dark-mode-toggle {
  }
  .content-area {
    padding: 1rem;
  }
  .upload-card {
    padding: 2rem 1rem;
  }
  .score-container {
    height: 100vh;
    width: 100vw;
  }
  .score-container [style*='position: fixed'] {
    width: calc(100vw - 2rem) !important;
    left: 1rem !important;
  }
}