.m02-dfpanel {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
  font-size: var(--text-body);
  color: var(--color-text-body);
}

.m02-dfpanel-head,
.m02-dfpanel-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-8);
}

.m02-dfpanel-head {
  justify-content: space-between;
}

.m02-dfpanel-title {
  font-size: var(--text-subheading);
}

.m02-dfpanel-unitbox {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  margin-left: auto;
}

.m02-dfpanel-unit {
  width: 6em;
  text-align: center;
}

.m02-dfpanel-cell {
  padding: 2px var(--spacing-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pills);
  background: var(--color-surface-raised);
}

.m02-dfpanel-label {
  font-weight: var(--font-weight-bold);
}

.m02-dfpanel-note {
  color: var(--color-text-muted);
  font-size: var(--text-body-sm);
}

.m02-dfpanel-form {
  align-items: flex-end;
  padding: var(--spacing-8) var(--spacing-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  background: var(--color-surface-raised);
}

.m02-dfpanel-fieldbox {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.m02-dfpanel-field {
  width: 9em;
}

.m02-dfpanel-field.is-num {
  width: 6em;
}

.m02-dfpanel-why,
.m02-dfpanel-msg {
  margin: 0;
  padding: var(--spacing-8) var(--spacing-12);
  border-left: 4px solid var(--color-warning);
  background: var(--color-surface-raised);
  font-weight: var(--font-weight-medium);
}

.m02-dfpanel-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-4) var(--spacing-12);
  border: 2px solid;
  border-radius: var(--radius-pills);
  background: var(--color-surface);
  color: inherit;
  font: inherit;
  font-weight: var(--font-weight-medium);
}

button.m02-dfpanel-chip {
  cursor: pointer;
}

button.m02-dfpanel-chip:focus-visible {
  outline: 2px solid var(--color-focus-ring);
}

.m02-dfpanel-chip.is-in {
  border-color: #3b82f6;
}

.m02-dfpanel-chip.is-in:not(.is-placed) {
  border-style: dashed;
}

.m02-dfpanel-chip.is-out {
  border-color: #27ae60;
}

.m02-dfpanel-chip.is-var {
  border-color: #d99a00;
}

/* 판 높이 크게 — 안쪽 세로 스크롤 없이 보이게 */
.m02-dfpanel-sheet {
  position: relative;
  height: max(640px, calc(100vh - 260px));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  overflow: hidden;
}

/* 칸 위 표시 — 색 + 글자(받음 · 변수 · 출력) 둘 다 */
.m02-dfpanel .aislo-cell[data-cf-kind="in"] {
  box-shadow: inset 0 0 0 2px #3b82f6;
}

.m02-dfpanel .aislo-cell[data-cf-kind="var"] {
  box-shadow: inset 0 0 0 2px #d99a00;
}

.m02-dfpanel .aislo-cell[data-cf-kind="out"] {
  box-shadow: inset 0 0 0 2px #27ae60;
}

.m02-dfpanel .aislo-cell[data-cf-kind]::after {
  content: attr(data-cf-name);
  position: absolute;
  top: 0;
  right: 0;
  padding: 0 4px;
  border-radius: 0 0 0 6px;
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 10px;
  line-height: 14px;
  pointer-events: none;
}

.m02-dfpanel .aislo-cell[data-cf-lock]::before {
  content: attr(data-cf-lock);
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 0 4px;
  background: var(--color-surface);
  font-size: 10px;
  line-height: 14px;
  pointer-events: none;
}

.m02-dfpanel .aislo-cell[data-cf-err] {
  outline: 2px dashed var(--color-danger);
  outline-offset: -2px;
}

/* 시트 + 칸 연결 표 — 좁으면 표가 아래로 */
.m02-dfpanel-body {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--spacing-12);
}

.m02-dfpanel-body > .m02-dfpanel-sheet {
  flex: 1 1 28em;
  min-width: 0;
}

.m02-dfcells {
  flex: 0 1 24em;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  min-width: 0;
}

.m02-dfcells__title {
  font-weight: var(--font-weight-bold);
}

.m02-dfcells__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-body-sm);
}

.m02-dfcells__table th,
.m02-dfcells__table td {
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: middle;
}

.m02-dfcells__cell {
  width: 5em;
}

.m02-dfcells .ui-input.is-bad {
  border-color: var(--color-danger);
  border-style: dashed;
}

.m02-dfcells__kind {
  padding: 0 var(--spacing-8);
  border: 2px solid;
  border-radius: var(--radius-pills);
  white-space: nowrap;
}

.m02-dfcells__row.is-in .m02-dfcells__kind {
  border-color: #3b82f6;
}

.m02-dfcells__row.is-var .m02-dfcells__kind {
  border-color: #d99a00;
}

.m02-dfcells__row.is-out .m02-dfcells__kind {
  border-color: #27ae60;
}

/* 식 보기 */
.m02-df-formula {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  padding: var(--spacing-8) var(--spacing-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
  background: var(--color-surface-raised);
}

.m02-df-formula__title {
  font-weight: var(--font-weight-bold);
}

.m02-df-formula__line {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-top: var(--spacing-4);
  border-top: 1px dashed var(--color-border);
}

.m02-df-formula__valued {
  color: var(--color-text-secondary);
}

.m02-df-formula__branches {
  margin: 0;
  padding-left: var(--spacing-16);
  list-style: none;
}

.m02-df-formula__branches .is-now {
  font-weight: var(--font-weight-bold);
}

.m02-df-formula__empty {
  margin: 0;
  color: var(--color-text-muted);
}