/* ══════════════════════════════════════
   View Toggle (문서 / 다이어그램)
   ══════════════════════════════════════ */
.view-toggle {
  display: inline-flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-surface);
}

.view-toggle__btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.view-toggle__btn + .view-toggle__btn {
  border-left: 1px solid var(--color-border);
}

.view-toggle__btn:hover {
  background: var(--color-surface-hover);
}

.view-toggle__btn.active {
  background: var(--color-primary);
  color: #fff;
}

.btn--active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
}

/* ── Drop zone 버튼 그룹 ── */
.drop-zone__actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  align-items: center;
}

.drop-zone__new {
  display: inline-block;
  padding: 10px 24px;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: all var(--transition);
}

.drop-zone__new:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ── 빈 상태 ── */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 80px 24px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 2;
}

.empty-state code {
  font-family: var(--font-mono);
  background: var(--color-surface-hover);
  padding: 2px 8px;
  border-radius: 4px;
}

/* ══════════════════════════════════════
   플로우차트 인터랙티브 편집
   ══════════════════════════════════════ */
.fc-interactive {
  position: relative;
}

.fc-clickable {
  cursor: pointer;
}

.fc-clickable:hover rect,
.fc-clickable:hover polygon,
.fc-clickable:hover circle,
.fc-clickable:hover ellipse,
.fc-clickable:hover path {
  filter: brightness(1.06);
  stroke-width: 2.5px;
}

.fc-edge-clickable {
  cursor: pointer;
}

.fc-edge-clickable:hover {
  stroke-width: 3.5px !important;
}

.fc-connect-mode {
  cursor: crosshair;
}

.fc-connect-mode .fc-clickable {
  cursor: crosshair;
}

.fc-connect-source rect,
.fc-connect-source polygon,
.fc-connect-source circle,
.fc-connect-source ellipse {
  stroke: var(--color-primary) !important;
  stroke-width: 3px !important;
  stroke-dasharray: 6 3;
}

.fc-drop-target {
  outline: 2px dashed var(--color-primary);
  outline-offset: -4px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-primary) 5%, transparent);
}

.fc-hint {
  position: absolute;
  bottom: 6px;
  right: 12px;
  font-size: 0.68rem;
  color: var(--color-text-secondary);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
  background: var(--color-surface);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
}

.fc-interactive:hover .fc-hint {
  opacity: 0.85;
}

/* ── 노드/엣지 편집 팝업 ── */
/* .diagram-card__body svg { width:100% } 규칙이 팝업 아이콘에 적용되지 않도록 크기 고정 */
.diagram-card__body .fc-popup svg,
.fc-popup__header svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.diagram-card__body .fc-popup .fc-shape-opt svg,
.fc-shape-opt svg {
  width: 20px;
  height: 20px;
}

.fc-legend__item svg {
  width: 18px;
  height: 18px;
}

.fc-popup {
  position: absolute;
  z-index: 60;
  width: 288px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 12px;
  text-align: left;
  animation: fc-popup-in 0.15s ease;
}

@keyframes fc-popup-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.fc-popup__header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.fc-popup__header svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

.fc-popup__titles {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.fc-popup__name {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fc-popup__meaning {
  font-size: 0.7rem;
  color: var(--color-primary);
  font-weight: 600;
}

.fc-popup__close {
  border: none;
  background: transparent;
  font-size: 1.1rem;
  line-height: 1;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}

.fc-popup__close:hover {
  background: var(--color-surface-hover);
}

.fc-popup__desc {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
}

.fc-popup__row {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.fc-popup__input {
  flex: 1;
  min-width: 0;
  padding: 6px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-background);
  color: var(--color-text);
  font-size: 0.8rem;
  outline: none;
}

.fc-popup__input:focus {
  border-color: var(--color-primary);
}

.fc-popup__btn {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.76rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.fc-popup__btn:hover {
  background: var(--color-surface-hover);
}

.fc-popup__btn--primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

.fc-popup__btn--primary:hover {
  background: var(--color-primary-hover);
}

.fc-popup__btn--danger {
  color: var(--color-error);
  border-color: color-mix(in srgb, var(--color-error) 40%, transparent);
}

.fc-popup__btn--danger:hover,
.fc-popup__btn--danger.confirm {
  background: var(--color-error);
  border-color: var(--color-error);
  color: #fff;
}

.fc-popup__section-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 6px;
}

.fc-popup__shapes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-bottom: 10px;
}

.fc-shape-opt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: 0.62rem;
  cursor: pointer;
  transition: all var(--transition);
}

.fc-shape-opt:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.fc-shape-opt.active {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
  color: var(--color-primary);
  font-weight: 600;
}

.fc-popup__actions {
  display: flex;
  gap: 6px;
  justify-content: space-between;
}

/* ── 플로우차트 범례 ── */
.fc-legend {
  border-top: 1px solid var(--color-border);
  padding: 10px 16px 12px;
  background: var(--color-surface);
}

.fc-legend__title {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.fc-legend__items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}

.fc-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  color: var(--color-text-secondary);
  cursor: default;
}

.fc-legend__item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.fc-legend__name {
  font-weight: 600;
  color: var(--color-text);
}

.fc-legend__meaning {
  color: var(--color-text-secondary);
}

/* ══════════════════════════════════════
   팔레트 도형 의미 안내
   ══════════════════════════════════════ */
.palette-guide {
  margin-top: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.palette-guide__summary {
  padding: 10px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  background: var(--color-surface-hover);
  user-select: none;
}

.palette-guide__summary:hover {
  color: var(--color-primary);
}

.palette-guide__table {
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.palette-guide__row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.palette-guide__icon {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.palette-guide__icon--arrow {
  width: 22px;
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
}

.palette-guide__text {
  flex: 1;
  min-width: 0;
}

.palette-guide__name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text);
}

.palette-guide__name code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: var(--color-surface-hover);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--color-text-secondary);
  margin-left: 4px;
}

.palette-guide__desc {
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  line-height: 1.45;
}

/* ══════════════════════════════════════
   템플릿 테마 섹션 (테마 패널)
   ══════════════════════════════════════ */
.template-section {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.template-section__desc {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 6px 0 10px;
}

.template-section__actions {
  display: flex;
  gap: 8px;
}

.template-section__actions .btn {
  flex: 1;
  justify-content: center;
}

.template-section__privacy {
  font-size: 0.68rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-top: 10px;
  padding: 8px 10px;
  background: var(--color-surface-hover);
  border-radius: var(--radius-sm);
}

.template-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  margin-bottom: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.template-status__name {
  flex: 1;
  min-width: 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.template-status__swatches {
  display: inline-flex;
  gap: 4px;
  flex-shrink: 0;
}

.template-swatch {
  width: 16px;
  height: 16px;
  border-radius: 5px;
  border: 1px solid rgba(0, 0, 0, 0.12);
}


/* ══════════════════════════════════════
   붙여넣기 모달
   ══════════════════════════════════════ */
.drop-zone__hint {
  margin-top: 14px;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

.drop-zone__hint kbd {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 1px 6px;
  border: 1px solid var(--color-border);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.paste-modal {
  position: fixed;
  inset: 0;
  z-index: 210;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
}

.paste-modal.open {
  display: flex;
}

.paste-modal__panel {
  width: 100%;
  max-width: 860px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 20px 24px 18px;
  animation: paste-in 0.16s ease;
}

@keyframes paste-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.paste-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.paste-modal__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
}

.paste-modal__desc {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.paste-modal__textarea {
  flex: 1;
  min-height: 300px;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  resize: vertical;
  outline: none;
  tab-size: 4;
}

.paste-modal__textarea:focus {
  border-color: var(--color-primary);
}

.paste-modal__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.paste-modal__info {
  font-size: 0.74rem;
  color: var(--color-text-secondary);
  min-width: 0;
}

.paste-modal__info strong {
  color: var(--color-success);
  font-weight: 600;
}

.paste-modal__actions {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

/* ── 해석할 수 없는 상대 경로 링크 (붙여넣은 문서에서 흔함) ── */
.md-content .md-link--unresolved {
  color: var(--color-text);
  border-bottom: 1px dotted var(--color-border);
  cursor: help;
}

.md-content .md-link--unresolved::after {
  content: '↗';
  font-size: 0.7em;
  opacity: 0.45;
  margin-left: 2px;
  vertical-align: super;
}


/* ══════════════════════════════════════
   템플릿 섹션 — 패널 최상단 강조 카드
   ══════════════════════════════════════ */
.template-section--primary {
  margin-top: 0;
  margin-bottom: 18px;
  padding: 14px 14px 12px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 35%, var(--color-border));
  border-top: none;
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-primary) 5%, var(--color-surface));
}

.template-section__head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
}

.template-section__head svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.template-section--primary .template-section__desc {
  margin: 0 0 10px;
}

.template-section--primary .template-section__privacy {
  margin-top: 8px;
  padding: 6px 8px;
  background: transparent;
  font-size: 0.66rem;
}

.template-status__row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.template-status {
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}

.template-status__colors {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  font-size: 0.68rem;
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

.template-status__colors b {
  font-family: var(--font-family);
  font-weight: 700;
  margin-right: 3px;
}

.template-status__font {
  font-size: 0.68rem;
  color: var(--color-text-secondary);
}


/* ── 템플릿 색상 수동 보정 ── */
.template-tune {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-bottom: 10px;
  padding: 8px 10px;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
}

.template-tune__label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.template-tune__item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.template-tune__item input[type="color"] {
  width: 26px;
  height: 20px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: none;
  cursor: pointer;
}