.progress-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 16px;
  font-size: 13.5px;
}
.progress-summary[hidden] { display: none; }
.streak-badge {
  font-weight: 700;
  color: var(--shu);
  background: var(--shu-soft);
  border-radius: 999px;
  padding: 4px 12px;
  white-space: nowrap;
}
.continue-link {
  color: var(--indigo);
  font-weight: 500;
  text-decoration: none;
}
.continue-link:hover { text-decoration: underline; }
.lesson-done-badge {
  display: inline-block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 700;
  color: var(--n3);
  background: var(--n3-soft);
  border-radius: 999px;
  padding: 2px 10px;
}

.quiz-history-section {
  margin-top: 24px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.quiz-history-section summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 14.5px;
  color: var(--ink);
  padding: 4px 0;
}
.quiz-history-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 10px;
}
.quiz-history-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px;
}
.quiz-history-title {
  flex: 1;
  min-width: 160px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
}
.quiz-history-title:hover { text-decoration: underline; }
.quiz-history-title-deleted { color: var(--ink-faint); font-style: italic; }
.quiz-history-score {
  font-weight: 700;
  color: var(--ink-soft);
  white-space: nowrap;
}
.quiz-history-score.passed { color: var(--n3); }
.quiz-history-date {
  color: var(--ink-faint);
  font-size: 12px;
  white-space: nowrap;
}

.generate-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 500;
  margin-bottom: 16px;
}
.generate-field select {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
}
.lesson-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lesson-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.lesson-card-info { flex: 1; min-width: 200px; }
.lesson-card-title {
  font-family: "Shippori Mincho", serif;
  font-size: 16px;
  font-weight: 700;
}
.lesson-card-meta {
  font-size: 12.5px;
  color: var(--ink-faint);
  margin-top: 4px;
}
.lesson-card-actions { display: flex; gap: 8px; flex: none; }
.lesson-empty {
  color: var(--ink-soft);
  font-size: 14.5px;
  padding: 20px 0;
}