:root {
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eeebff;
  --primary-dark: #3730a3;
  --oshi-text: #ffffff;
}

.track-item.playing {
  background: var(--primary-light) !important;
  border-color: var(--primary) !important;
  color: var(--primary) !important;
  font-weight: 700;
}

#drive-visualizer {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark, #070428)) !important;
}

.bulk-download-btn {
  border: 1px solid var(--primary) !important;
  color: var(--primary) !important;
}
.bulk-download-btn:hover:not(:disabled) {
  background-color: var(--primary) !important;
  color: var(--oshi-text) !important;
}

@media (hover: hover) {
  .track-item:hover {
    background: var(--primary-light) !important;
    border-color: var(--primary) !important;
    color: var(--primary) !important;
    transform: translateY(-1px);
  }
}

.oshi-container,
.oshi-panel-container {
  margin: 0 !important;
  background-color: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  text-align: left;
  overflow: hidden;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.oshi-summary {
  height: 40px !important;
  padding: 0 12px !important;
  font-size: 13.5px !important;
  font-weight: 700;
  color: #334155;
  cursor: pointer;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  list-style: none !important;
  user-select: none;
  line-height: 1 !important;
  box-sizing: border-box !important;
  margin: 0 !important;
}

.oshi-summary::-webkit-details-marker {
  display: none !important;
}

.oshi-summary > span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.oshi-icon {
  font-size: 11px;
  color: #64748b;
  transition: transform 0.2s ease;
  line-height: 1;
}

.oshi-container[open] .oshi-summary {
  border-bottom: 1px solid #e2e8f0;
  background-color: #f1f5f9;
}

.oshi-container[open] .oshi-icon {
  transform: rotate(180deg);
}

.oshi-custom-form {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.oshi-panel-header {
  font-size: 0.95rem;
  margin: 0;
  color: var(--text-muted);
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.oshi-panel-title {
  display: flex;
  align-items: center;
  gap: 6px;
}

.oshi-panel-arrow {
  font-size: 0.8rem;
  transition: transform 0.2s ease;
}

.oshi-grid {
  display: none;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.oshi-panel-container.is-open .oshi-grid {
  display: grid;
}

.oshi-panel-container.is-open .oshi-panel-arrow {
  transform: rotate(180deg);
}

.oshi-btn {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 4px;
  font-size: 0.8rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.oshi-btn:hover {
  opacity: 0.9;
}

.oshi-btn.is-active {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  transform: scale(1.05);
}

.oshi-btn.is-active[data-name='UKI'] {
  outline-color: #333;
}

.oshi-panel-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  margin-right: 8px;
}

.reset-btn {
  padding: 4px 8px;
  font-size: 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: #ef4444;
  cursor: pointer;
  font-weight: normal;
  transition: all 0.2s ease;
}

.reset-btn:hover {
  background: #fef2f2;
  border-color: #fca5a5;
}