:root {
  --texto: #17211d;
  --cinza: #5d6d66;
  --claro: #f3f6f4;
  --linha: #dbe2de;
  --fundo: #ffffff;
  --erro: #17211d;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--fundo);
  color: var(--texto);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.topo {
  max-width: 1320px;
  margin: 0 auto;
  padding: 28px 24px 8px;
}
.topo h1 { margin: 0 0 4px; font-size: 22px; letter-spacing: -0.01em; }
.topo p { margin: 0; color: var(--cinza); max-width: 70ch; }

.grade {
  max-width: 1320px;
  margin: 0 auto;
  padding: 16px 24px 48px;
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

/* ---------- formulário ---------- */
.bloco { padding: 18px 0; border-top: 1px solid var(--linha); }
.bloco:first-child { border-top: 0; padding-top: 4px; }
.bloco h2 { margin: 0 0 12px; font-size: 15px; }

.campo {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--cinza);
  min-width: 0;
}
.campo input, .campo select {
  font: inherit;
  font-size: 14px;
  color: var(--texto);
  background: #fff;
  border: 1px solid var(--linha);
  border-radius: 6px;
  padding: 8px 10px;
  width: 100%;
  min-height: 38px;
}
.campo input[aria-invalid="true"] { border-color: var(--texto); box-shadow: 0 0 0 1px var(--texto); }
.campo select { padding-right: 6px; }
input:focus-visible, select:focus-visible, button:focus-visible, .soltar:focus-within {
  outline: 2px solid var(--texto);
  outline-offset: 1px;
}

.medida { display: grid; grid-template-columns: 1fr auto 1fr; align-items: end; gap: 10px; }
.vezes { padding-bottom: 9px; color: var(--cinza); font-size: 16px; }

.campos { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
.campos .campo:first-child:nth-last-child(3) { grid-column: 1 / -1; }

.dica { margin: 8px 0 0; font-size: 13px; color: var(--cinza); }
.dica:empty { display: none; }

.opcoes { border: 0; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 18px; }
.opcoes legend { font-size: 13px; color: var(--cinza); padding: 0; margin-bottom: 6px; }
.radio, .check { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.check { margin-top: 12px; align-items: flex-start; }
.check input, .radio input { margin: 0; width: 16px; height: 16px; accent-color: var(--texto); flex: none; }
.check input { margin-top: 2px; }
.bloco > .campo { margin-top: 12px; }

.fundo-opcoes { margin: 12px 0 14px 24px; }

/* chave RGB / CMYK: as duas posições valem, então o trilho fica escuro nas duas */
.chave-cor { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--cinza); cursor: pointer; user-select: none; }
.chave-cor .ativo { color: var(--texto); font-weight: 600; }
.chave-cor input[role="switch"] {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  width: 40px;
  height: 22px;
  margin: 0;
  border-radius: 11px;
  background: var(--texto);
  cursor: pointer;
}
.chave-cor input[role="switch"]::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: transform .15s ease;
}
.chave-cor input[role="switch"]:checked::before { transform: translateX(18px); }

.cor-campos { margin-top: 12px; }
.cor-linha { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 10px; align-items: end; }
.cor-linha input[type="color"], .cmyk input[type="color"] {
  width: 52px;
  height: 38px;
  padding: 2px;
  border: 1px solid var(--linha);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
}
.trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }
.cmyk { display: grid; grid-template-columns: 52px repeat(4, minmax(0, 1fr)); gap: 8px; align-items: end; }

/* chave RGB/CMYK à esquerda, conta-gotas à direita */
.cor-topo { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; }
#contaGotas { font-size: 14px; }
.pegando-cor .fita-faixa canvas, .pegando-cor .mini img { cursor: crosshair; }
.pegando-cor .fita-faixa canvas { box-shadow: 0 0 0 2px var(--texto); }
.pegando-cor .mini { border-color: var(--texto); }

/* área de soltar os arquivos */
.soltar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 18px 12px;
  border: 1px dashed #b9c4be;
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  transition: background-color .15s, border-color .15s;
}
.soltar:hover, .soltar.arrastando { background: var(--claro); border-color: var(--texto); }
.soltar input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.soltar-sub { font-size: 13px; color: var(--cinza); }

/* lista de logos */
.lista { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.logo { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 12px; align-items: start; }
.mini {
  width: 84px;
  height: 56px;
  border: 1px solid var(--linha);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  background-color: #fff;
  background-image: linear-gradient(45deg, #eef1ef 25%, transparent 25%, transparent 75%, #eef1ef 75%),
    linear-gradient(45deg, #eef1ef 25%, transparent 25%, transparent 75%, #eef1ef 75%);
  background-size: 12px 12px;
  background-position: 0 0, 6px 6px;
  overflow: hidden;
}
.mini img { max-width: 100%; max-height: 100%; display: block; }
.mini.carregando::after { content: ""; width: 18px; height: 18px; border: 2px solid var(--linha); border-top-color: var(--texto); border-radius: 50%; animation: gira .8s linear infinite; }
@keyframes gira { to { transform: rotate(360deg); } }
.nome { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.meta { font-size: 13px; color: var(--cinza); display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.meta select { font: inherit; font-size: 13px; color: var(--texto); border: 1px solid var(--linha); border-radius: 4px; padding: 1px 2px; background: #fff; }
.aviso { font-size: 13px; color: var(--texto); margin-top: 2px; }
.aviso b { font-weight: 600; }
.acoes { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; margin-top: 6px; font-size: 13px; color: var(--cinza); }
.acoes .escala { display: inline-flex; align-items: center; gap: 4px; margin-right: 6px; }
.acoes .escala input {
  width: 52px; font: inherit; font-size: 13px; color: var(--texto); text-align: right;
  border: 1px solid var(--linha); border-radius: 4px; padding: 3px 5px;
}
.txt {
  font: inherit;
  font-size: 13px;
  color: var(--texto);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.txt:hover { color: var(--cinza); }
.txt:disabled { color: #a9b4ae; cursor: default; }
.sep { color: #a9b4ae; }

/* ---------- prévia ---------- */
.previa-area { position: sticky; top: 16px; min-width: 0; }
.previa-topo { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 16px; margin-bottom: 10px; }
.previa-topo h2 { margin: 0; font-size: 15px; }
.resumo { margin: 0; font-size: 13px; color: var(--cinza); }
.resumo b { color: var(--texto); font-weight: 600; }

.previa {
  min-height: 140px;
  border-radius: 8px;
  background: var(--claro);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}
.previa .vazio, .previa .falha { margin: auto; color: var(--cinza); text-align: center; max-width: 46ch; }
.previa .falha { color: var(--texto); }
/* a fita inteira numa faixa só, na proporção; ampliada, rola para o lado */
.fita-rolagem { overflow-x: auto; overflow-y: hidden; margin: auto 0; padding: 1px 1px 6px; }
.fita-faixa { position: relative; }
.fita-faixa canvas { display: block; box-shadow: 0 0 0 1px rgba(23, 33, 29, .18); background: #fff; }
.regua { position: relative; height: 22px; margin-top: 2px; font-size: 11px; color: var(--cinza); font-variant-numeric: tabular-nums; }
.regua span { position: absolute; top: 7px; transform: translateX(-50%); white-space: nowrap; line-height: 1; }
.regua span::before { content: ""; position: absolute; left: 50%; top: -7px; width: 1px; height: 5px; background: #a9b4ae; }
.regua span.ini { transform: none; }
.regua span.ini::before { left: 0; }
.regua span.fim { transform: translateX(-100%); }
.regua span.fim::before { left: auto; right: 0; }

.zoom { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; margin-top: 10px; font-size: 13px; color: var(--cinza); }
.zoom[hidden] { display: none; }
.zoom .txt.ativo { font-weight: 600; }

.baixar { margin-top: 16px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; }
.baixar .dica { margin: 0; }
.botao {
  font: inherit;
  font-weight: 600;
  font-size: 15px;
  color: #fff;
  background: var(--texto);
  border: 0;
  border-radius: 6px;
  padding: 11px 22px;
  cursor: pointer;
}
.botao:hover { background: #2c3833; }
.botao:disabled { background: #b9c4be; cursor: default; }

@media (max-width: 900px) {
  .topo { padding: 20px 16px 4px; }
  .grade { grid-template-columns: minmax(0, 1fr); padding: 12px 16px 40px; gap: 8px; }
  .previa-area { position: static; }
}