.caderno-raiz {
  color: var(--tinta-2);
  font: 400 14px var(--fonte-dados);
}
.nb {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.nb-lateral {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 14px 14px;
  background-color: var(--papel);
  background-image: var(--ruido);
  box-shadow: 0 1px 2px rgba(60, 40, 12, 0.35), 3px 14px 22px -8px var(--sombra);
  max-height: calc(100vh - 210px);
  min-height: 300px;
}
.nb-lateral::before {
  content: '';
  position: absolute;
  left: 50%;
  top: -11px;
  width: 84px;
  height: 22px;
  margin-left: -42px;
  background: rgba(244, 194, 13, 0.82);
  box-shadow: 0 2px 3px rgba(0, 0, 0, 0.25);
  transform: rotate(-2deg);
}
.nb-lateral-titulo {
  font-size: 20px;
  padding-bottom: 6px;
  border-bottom: 4px double var(--regua-forte);
}
.nb-lateral-acoes {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
}
.nb-lateral-acoes .btn-primario,
.nb-lateral-acoes .nb-fixar {
  flex: 1 0 100%;
  margin-bottom: 6px;
}
.nb-lista {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow: auto;
}
.nb-pg-botao {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  text-align: left;
  font: 400 14px var(--fonte-texto);
  color: var(--tinta-2);
  background: transparent;
  border: 1px solid transparent;
  border-left: 4px solid transparent;
  cursor: pointer;
}
.nb-pg-botao:hover {
  background: rgba(255, 255, 255, 0.55);
  color: var(--tinta);
}
.nb-pg.ativa .nb-pg-botao {
  color: var(--tinta);
  font-weight: 600;
  background: rgba(244, 194, 13, 0.2);
  border-left-color: var(--carimbo);
}
.nb-pg-n {
  flex: none;
  min-width: 22px;
  font: 700 13px var(--fonte-dados);
  color: var(--carimbo);
}
.nb-pg-t {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nb-principal {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.nb-barra {
  display: flex;
  align-items: center;
  gap: 10px 20px;
  flex-wrap: wrap;
  padding: 10px 12px;
  background-color: var(--pasta);
  background-image: var(--fibras), var(--ruido);
  border: 1.5px solid var(--pasta-borda);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 2px 8px 14px -6px var(--sombra);
}
.nb-grupo {
  display: flex;
  align-items: center;
  gap: 5px;
  flex-wrap: wrap;
}
.nb-grupo-papel .campo-select {
  min-height: 34px;
  width: auto;
  padding: 4px 28px 4px 8px;
  font-size: 13px;
}
.nb-ferr {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--tinta);
  background-color: var(--papel);
  background-image: var(--ruido);
  border: 1.5px solid var(--tinta);
  border-radius: var(--raio);
  box-shadow: 1.5px 2px 0 var(--tinta);
  cursor: pointer;
}
.nb-ferr:hover {
  background-color: #fff9e8;
}
.nb-ferr.ativa {
  color: #fff8ea;
  background-color: var(--carimbo);
  transform: translate(1.5px, 2px);
  box-shadow: none;
}
.nb-cor {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 2px solid var(--tinta);
  border-radius: 50%;
  cursor: pointer;
}
.nb-cor.ativa {
  box-shadow: 0 0 0 3px var(--papel), 0 0 0 5px var(--tinta);
}
.nb-range {
  width: 92px;
  accent-color: var(--carimbo);
  margin-left: 8px;
}
.nb-dica {
  margin: 0 0 0 auto;
  font: 400 12.5px/1.4 var(--fonte-dados);
  color: var(--tinta);
  max-width: 34ch;
}

.nb-cena {
  position: relative;
  overflow: auto;
  height: calc(100vh - 260px);
  min-height: 460px;
  padding: 22px 14px;
  background-color: var(--mesa-escura);
  background-image: var(--fibras), var(--ruido);
  border: 2px solid var(--pasta-borda);
  box-shadow: inset 0 4px 16px rgba(50, 30, 6, 0.45);
}
.nb-cena:focus {
  outline: none;
}
.nb-escalador {
  position: relative;
  margin: 0 auto;
}
.nb-pagina {
  position: absolute;
  left: 0;
  top: 0;
  width: 900px;
  height: 1273px;
  transform-origin: 0 0;
  overflow: hidden;
  background-color: var(--papel-cad);
  box-shadow: 0 2px 4px rgba(30, 18, 4, 0.4), 6px 20px 40px rgba(30, 18, 4, 0.5);
  user-select: none;
}
.nb-pagina[data-tom='claro'] {
  --papel-cad: #f7f2e2;
  --risco: rgba(58, 92, 150, 0.27);
}
.nb-pagina[data-tom='escuro'] {
  --papel-cad: #1d2230;
  --risco: rgba(245, 239, 221, 0.13);
}
.nb-pagina[data-papel='pautado'] {
  background-image: repeating-linear-gradient(to bottom, transparent 0, transparent 31px, var(--risco) 31px, var(--risco) 32px);
  background-position: 0 44px;
}
.nb-pagina[data-papel='quadriculado'] {
  background-image: linear-gradient(var(--risco) 1px, transparent 1px), linear-gradient(90deg, var(--risco) 1px, transparent 1px);
  background-size: 32px 32px;
}
.nb-pagina[data-papel='pontilhado'] {
  background-image: radial-gradient(var(--risco) 1.6px, transparent 1.8px);
  background-size: 32px 32px;
  background-position: 16px 16px;
}
.nb-pagina[data-papel='pautado'][data-tom='claro']::before {
  content: '';
  position: absolute;
  left: 72px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(200, 60, 60, 0.42);
  pointer-events: none;
}
.nb-objetos {
  position: absolute;
  inset: 0;
}
.nb-tinta {
  position: absolute;
  left: 0;
  top: 0;
  width: 900px;
  height: 1273px;
  pointer-events: none;
}
.nb-viva {
  touch-action: none;
}
.nb-pagina[data-ferramenta='caneta'] .nb-viva,
.nb-pagina[data-ferramenta='marca'] .nb-viva {
  cursor: crosshair;
}
.nb-pagina[data-ferramenta='borracha'] .nb-viva {
  cursor: cell;
}
.nb-pagina[data-ferramenta='texto'] {
  cursor: text;
}
.nb-numero {
  position: absolute;
  right: 22px;
  bottom: 14px;
  font: 400 12.5px var(--fonte-dados);
  color: #7a7462;
  pointer-events: none;
}

.nb-item {
  position: absolute;
  user-select: none;
}
.nb-item.sel {
  outline: 2px solid var(--caneta);
  outline-offset: 1px;
}
.nb-img {
  cursor: move;
  touch-action: none;
  padding: 6px;
  background: #fbf7ea;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.25), 2px 6px 12px rgba(30, 18, 4, 0.35);
}
.nb-img img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  -webkit-user-drag: none;
  background: rgba(127, 127, 127, 0.2);
}
.nb-img.quebrada {
  background: rgba(179, 38, 30, 0.14);
  border: 1px dashed var(--carimbo);
}
.nb-txt {
  display: flex;
  flex-direction: column;
}
.nb-txt:hover,
.nb-txt:focus-within {
  outline: 1px dashed rgba(31, 63, 138, 0.7);
}
.nb-cabo {
  display: none;
  align-items: center;
  justify-content: space-between;
  height: 20px;
  flex: none;
  padding: 0 4px 0 8px;
  font: 700 11px var(--fonte-dados);
  color: var(--fita-preto);
  background: rgba(244, 194, 13, 0.92);
  cursor: move;
  touch-action: none;
}
.nb-txt:hover .nb-cabo,
.nb-txt:focus-within .nb-cabo,
.nb-txt.sel .nb-cabo {
  display: flex;
}
.nb-nota {
  flex: 1;
  min-height: 0;
  width: 100%;
  resize: none;
  padding: 6px 8px;
  font-family: var(--fonte-dados);
  line-height: 1.45;
  color: #111827;
  background: transparent;
  border: 0;
  outline: 0;
  user-select: text;
}
.nb-nota::placeholder {
  opacity: 0.45;
  color: inherit;
}
.nb-remover {
  position: absolute;
  top: -12px;
  right: -12px;
  display: none;
  place-items: center;
  width: 24px;
  height: 24px;
  padding: 0;
  color: #fff;
  background: var(--carimbo);
  border: 2px solid var(--tinta);
  border-radius: 50%;
  cursor: pointer;
  z-index: 3;
}
.nb-cabo .nb-remover {
  position: static;
  width: 16px;
  height: 16px;
  color: var(--fita-preto);
  background: transparent;
  border: 0;
}
.nb-item:hover > .nb-remover,
.nb-item.sel > .nb-remover {
  display: grid;
}
.nb-cabo .nb-remover {
  display: grid;
}
.nb-alca {
  position: absolute;
  right: -8px;
  bottom: -8px;
  display: none;
  width: 16px;
  height: 16px;
  background: var(--caneta);
  border: 2px solid var(--papel);
  border-radius: 50%;
  cursor: nwse-resize;
  touch-action: none;
  z-index: 3;
}
.nb-item.sel > .nb-alca,
.nb-item:hover > .nb-alca,
.nb-txt:focus-within > .nb-alca {
  display: block;
}

@media (max-width: 900px) {
  .nb {
    grid-template-columns: 1fr;
  }
  .nb-lateral {
    max-height: none;
    min-height: 0;
  }
  .nb-lista {
    flex-direction: row;
    overflow-x: auto;
  }
  .nb-pg {
    flex: none;
  }
  .nb-pg-botao {
    width: auto;
  }
  .nb-dica {
    margin-left: 0;
    max-width: none;
  }
  .nb-cena {
    height: 70vh;
  }
}