/* ===== Collections ===== */
.collections-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 12px;
}

.collections-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 48px 20px;
  text-align: center;
  color: var(--gris-claro1);
}

.collections-empty svg {
  opacity: 0.4;
  margin-bottom: 8px;
}

.collections-empty p {
  font-size: 16px;
  font-weight: 600;
  color: var(--negro2);
}

.collections-empty span {
  font-size: 13px;
}

/* Grid of collection cards */
.collections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.collection-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: var(--celeste);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.collection-card:hover {
  background: var(--separador);
  box-shadow: var(--shadow-sm);
}

.collection-card__icon {
  color: var(--azul);
  flex-shrink: 0;
}

.collection-card__info {
  flex: 1;
  min-width: 0;
}

.collection-card__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--negro2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.collection-card__count {
  font-size: 12px;
  color: var(--gris-claro1);
  margin-top: 2px;
}

.collection-card__delete {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--gris-claro1);
  border-radius: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

.collection-card:hover .collection-card__delete {
  opacity: 1;
}

.collection-card__delete:hover {
  color: var(--rojo);
}

/* Collection detail - track list */
.collection-tracks-list {
  display: flex;
  flex-direction: column;
}

.collection-track {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 8px;
  border-bottom: 1px solid var(--separador);
  transition: background-color var(--transition-fast);
}

.collection-track:last-child {
  border-bottom: none;
}

.collection-track:hover {
  background: var(--celeste);
}

.collection-track__num {
  width: 24px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--gris-claro1);
  text-align: center;
  flex-shrink: 0;
}

.collection-track__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
}

.collection-track__title {
  font-size: 14px;
  font-weight: 500;
  color: var(--negro2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.collection-track__info:hover .collection-track__title {
  color: var(--azul);
}

.collection-track__author {
  font-size: 12px;
  color: var(--gris-claro1);
}

.collection-track__duration {
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--gris-claro1);
  flex-shrink: 0;
}

.collection-track__remove {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--gris-claro1);
  border-radius: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
}

.collection-track:hover .collection-track__remove {
  opacity: 1;
}

.collection-track__remove:hover {
  color: var(--rojo);
}

/* ===== Responsive ===== */
@media (max-width: 576px) {
  .collections-grid {
    grid-template-columns: 1fr;
  }

  .collections-header {
    flex-direction: column;
    gap: 12px;
  }

  /* Make delete buttons always visible on touch devices */
  .collection-card__delete {
    opacity: 0.6;
  }

  .collection-track__remove {
    opacity: 0.6;
  }

  .collection-track {
    gap: 8px;
    padding: 10px 4px;
  }
}