/* 专题自测模块 */

.topic-quiz-page {
  margin-top: 0.5rem;
}

.topic-quiz-intro {
  color: var(--md-default-fg-color--light);
  margin-bottom: 1.25rem;
  max-width: 52rem;
}

.topic-quiz-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--md-default-fg-color--light);
}

.topic-quiz-stats strong {
  color: var(--md-primary-fg-color);
  font-weight: 600;
}

.topic-quiz-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}

.topic-quiz-filter {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
}

.topic-quiz-filter select {
  min-width: 12rem;
  padding: 0.45rem 0.6rem;
  border-radius: 0.25rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: var(--md-code-bg-color);
  color: var(--md-default-fg-color);
  font: inherit;
}

.topic-quiz-card {
  max-width: 52rem;
  padding: 1.5rem 1.75rem;
  border-radius: 0.5rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: var(--md-code-bg-color);
  box-shadow: 0 0.15rem 0.6rem rgba(0, 0, 0, 0.06);
}

.topic-quiz-card-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.75rem;
}

.topic-quiz-id {
  font-family: var(--md-code-font, monospace);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--md-primary-fg-color);
}

.topic-quiz-module {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: var(--md-default-fg-color--lightest);
  color: var(--md-default-fg-color--light);
}

.topic-quiz-badge {
  font-size: 0.72rem;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
}

.topic-quiz-badge-focus {
  background: rgba(255, 171, 0, 0.18);
  color: #e65100;
}

[data-md-color-scheme="slate"] .topic-quiz-badge-focus {
  color: #ffb74d;
}

.topic-quiz-title {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  line-height: 1.35;
  font-weight: 600;
}

.topic-quiz-prompt {
  margin: 0 0 1rem;
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--md-primary-fg-color);
  background: var(--md-default-bg-color);
  border-radius: 0 0.35rem 0.35rem 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--md-default-fg-color);
}

.topic-quiz-meta {
  margin: 0 0 1.25rem;
  font-size: 0.78rem;
  color: var(--md-default-fg-color--light);
}

.topic-quiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.topic-quiz-actions .md-button {
  margin: 0;
  cursor: pointer;
  text-decoration: none;
}

.topic-quiz-btn-secondary {
  opacity: 0.9;
}

.topic-quiz-empty,
.topic-quiz-loading {
  color: var(--md-default-fg-color--light);
}