.fc-container {
  margin: 0 auto;
}

.fc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: .75rem;
  flex-wrap: wrap;
  gap: .5rem;
}

.fc-progress {
  font-family: var(--mono);
  font-size: var(--text-xs);
  color: var(--text-dim);
}

.fc-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-bottom: .5rem;
}

.fc-filter-btn {
  font-family: var(--mono);
  font-size: var(--text-xs);
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: .3rem .65rem;
  border-radius: .25rem;
  cursor: pointer;
  transition: all var(--dur-fast);
}

.fc-filter-btn:hover {
  border-color: var(--accent-dim);
  color: var(--text);
}

.fc-filter-btn.active {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}

.fc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: .5rem;
  min-height: 200px;
  padding: 2rem;
  text-align: center;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.fc-front-main {
  font-size: var(--text-xl);
  color: var(--accent);
  font-weight: 700;
  margin-bottom: .25rem;
  line-height: 1.4;
}

.fc-front-hint {
  font-size: var(--text-sm);
  color: var(--text-dim);
  font-style: italic;
  margin-bottom: .75rem;
  line-height: 1.5;
}

.fc-back {
  text-align: left;
  width: 100%;
  font-size: var(--text-sm);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  padding-top: 1rem;
}

.fc-back-main {
  margin-bottom: .75rem;
}

.fc-detail {
  font-size: var(--text-xs);
  color: var(--text-dim);
  line-height: 1.6;
  margin-top: .5rem;
  padding-top: .5rem;
  border-top: 1px dashed var(--border);
}

.fc-show-more {
  font-size: var(--text-xs);
  padding: .25rem .6rem;
  margin-top: .5rem;
}

.fc-detail abbr {
  border-bottom: 1px dotted var(--text-dim);
  cursor: help;
  text-decoration: none;
}

.fc-actions {
  display: flex;
  gap: .5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: .5rem;
}

.fc-add-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: .5rem;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.fc-add-form h3 {
  font-family: var(--mono);
  font-size: var(--text-sm);
  color: var(--accent);
  margin: 0 0 1rem;
}

.fc-form-row {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  margin-bottom: .75rem;
}

.fc-form-row label {
  font-family: var(--mono);
  font-size: var(--text-xs);
  color: var(--text-dim);
}

.fc-form-row input,.fc-form-row textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: .25rem;
  padding: .5rem .65rem;
  font-size: var(--text-sm);
  font-family: inherit;
  resize: vertical;
}

.fc-form-row input:focus,.fc-form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.fc-char-count {
  font-family: var(--mono);
  font-size: var(--text-xs);
  color: var(--text-dim);
  text-align: right;
  margin-top: .15rem;
}

.fc-char-count.warn {
  color: var(--warn);
}

.fc-form-actions {
  display: flex;
  gap: .5rem;
  justify-content: flex-end;
}

.fc-preview-actions {
  margin-top: .75rem;
}

.fc-done-text {
  text-align: center;
  margin-top: 1rem;
}