.progress-card {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.progress-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.stat-card {
  background: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.progress-plan {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.plan-day {
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.plan-day strong {
  font-weight: 600;
}

.plan-day button {
  border: 0;
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.plan-assignments {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.book-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.book-group + .book-group {
  margin-top: 0.75rem;
}

.book-group-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.book-card {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-align: left;
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease;
  color: var(--color-text);
}

.book-card:hover {
  transform: translateY(-2px);
  border-color: var(--selection-color, var(--color-primary));
}

.book-card.is-complete {
  background: var(--selection-color, var(--color-primary));
  border-color: var(--selection-color, var(--color-primary));
  color: #fff;
}

.book-card.is-complete .book-progress-label,
.book-card.is-complete .book-title {
  color: #fff;
}

.book-title {
  font-weight: 600;
  color: var(--color-text);
}

.book-progress-label {
  color: var(--color-muted);
  font-size: 0.9rem;
}

.book-progress-bar {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--color-border);
  overflow: hidden;
}

.book-progress-fill {
  height: 100%;
  width: 0;
  background: var(--selection-color, var(--color-primary));
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(48px, 1fr));
  gap: 0.35rem;
  margin: 0.75rem 0;
}

.chapter-checkbox {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  background: rgba(37, 99, 235, 0.08);
  border-radius: var(--radius-sm);
  padding: 0.35rem;
}

.chapter-checkbox input {
  margin: 0;
}

.assignment-tag {
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.15);
  color: var(--color-primary);
  font-size: 0.85rem;
}

.chapter-tile-grid {
  grid-template-columns: repeat(auto-fit, minmax(54px, 1fr));
}

.chapter-tile {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.5rem;
  background: transparent;
  color: var(--color-text);
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease;
}

.chapter-tile.is-read {
  background: var(--selection-color, var(--color-primary));
  border-color: var(--selection-color, var(--color-primary));
  color: #fff;
}

.dialog-subtitle {
  margin: 0.35rem 0 0.15rem;
}

.book-dialog .dialog-actions {
  justify-content: space-between;
  gap: 0.5rem;
}

.book-dialog .dialog-actions .primary {
  flex: 1;
}

.next-unread-row {
  margin: 0.25rem 0 0.35rem;
}

.next-unread-btn {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--selection-color, var(--color-primary));
  background: rgba(37, 99, 235, 0.1);
  color: var(--color-text);
  font-weight: 600;
  cursor: pointer;
}

.next-unread-btn:hover {
  background: rgba(37, 99, 235, 0.15);
}