/* Painel lateral: seções de cada ferramenta, campos, objeto selecionado e a folha. */

.panel {
  grid-area: panel;
  background: var(--hull);
  border-right: 1px solid var(--seam);
  overflow-y: auto;
  overscroll-behavior: contain;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.tool-pane,
.selection {
  padding: 18px 18px 20px;
  display: grid;
  gap: 16px;
  align-content: start;
}

.pane-head {
  display: grid;
  gap: 4px;
}

.pane-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 23px;
  letter-spacing: 0.01em;
  line-height: 1.1;
  text-wrap: balance;
}

.pane-head p,
.hint {
  margin: 0;
  color: var(--lichen);
  font-size: 14px;
  line-height: 1.45;
}

.field {
  display: grid;
  gap: 7px;
}

/* Grupo de campos que some inteiro (ex.: opções do rótulo no modo Apagar). */
.stack {
  display: grid;
  gap: 16px;
}

.field-label,
.cat-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  font-size: 11.5px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--lichen);
}

.field-label output {
  font: 500 12px var(--font-mono);
  letter-spacing: 0;
  text-transform: none;
  color: var(--bone-2);
  font-variant-numeric: tabular-nums;
}

.keys {
  margin: 0;
  font-size: 13px;
  color: var(--lichen);
  line-height: 2;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.row .btn {
  flex: 1 1 auto;
}

.subsection {
  display: grid;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--seam);
}

.subsection h3,
.sel-head h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 18px;
}

/* Seleção */

.selection {
  background: var(--hull-2);
  border-block: 1px solid var(--seam);
}

.sel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.sel-coord {
  font: 12px var(--font-mono);
  color: var(--lichen);
  font-variant-numeric: tabular-nums;
}

/* Folha */

.sheet {
  margin-top: auto;
  padding-inline: 18px;
  border-top: 1px solid var(--seam);
}

.sheet summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--bone);
}

.sheet summary::-webkit-details-marker {
  display: none;
}

.sheet summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--lichen);
  border-bottom: 1.5px solid var(--lichen);
  transform: rotate(-135deg);
  margin-right: 4px;
}

.sheet[open] summary::after {
  transform: rotate(45deg);
  margin-top: -4px;
}

.sheet-body {
  display: grid;
  gap: 14px;
  padding-bottom: 20px;
}

.sheet-info {
  font: 12px var(--font-mono);
  color: var(--lichen);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 820px) {
  .panel {
    border-right: 0;
    border-top: 1px solid var(--seam);
  }

  .tool-pane,
  .selection,
  .sheet {
    padding-inline: 16px;
  }
}