* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: #f4f2ef;
  color: #2b2b2b;
}

/* Login */
.tela-login {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}
.card-login {
  background: #fff;
  padding: 2rem 2.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,.1);
  width: min(90vw, 340px);
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.card-login h1 { margin: 0; font-size: 1.4rem; }
.card-login .subtitulo { margin: 0 0 .5rem; color: #777; }
.card-login label { display: flex; flex-direction: column; gap: .3rem; font-size: .9rem; }
.card-login input {
  padding: .55rem .7rem;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1rem;
}
.card-login button {
  padding: .65rem;
  border: 0;
  border-radius: 5px;
  background: #b3541e;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}
.card-login button:hover { background: #9a4718; }
.erro { color: #c0392b; margin: 0; font-size: .9rem; }

/* App */
.topo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .8rem 1.2rem;
  background: #2b2b2b;
  color: #fff;
}
.topo button {
  margin-left: .8rem;
  padding: .35rem .8rem;
  border: 1px solid #666;
  border-radius: 4px;
  background: transparent;
  color: #fff;
  cursor: pointer;
}
.conteudo {
  padding: 1.2rem;
  display: grid;
  gap: 1.2rem;
  grid-template-columns: 1fr;
  max-width: 1100px;
  margin: 0 auto;
}
.painel {
  background: #fff;
  border-radius: 8px;
  padding: 1.2rem;
  box-shadow: 0 1px 6px rgba(0,0,0,.07);
}
.painel h2 { margin-top: 0; font-size: 1.1rem; }
.aviso { color: #999; }
#preview-foto { max-width: 100%; border-radius: 6px; margin-top: .8rem; }

/* Palco de renderização */
.palco {
  position: relative;
  width: 100%;
}
.palco canvas {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}
#canvas-overlay {
  position: absolute;
  inset: 0;
  touch-action: none;
  cursor: grab;
}
.dica { color: #777; font-size: .88rem; }
.controles {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
  margin-top: 1rem;
}
.controles label {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  font-size: .82rem;
  color: #555;
}
.controles input[type="number"] {
  width: 5.5rem;
  padding: .4rem .5rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}
.controles input[type="color"] {
  width: 3rem;
  height: 2.1rem;
  padding: 0;
  border: 1px solid #ccc;
  border-radius: 5px;
}
.ctl-check { flex-direction: row !important; align-items: center; }
#btn-baixar {
  margin-left: auto;
  padding: .6rem 1.2rem;
  border: 0;
  border-radius: 5px;
  background: #b3541e;
  color: #fff;
  font-size: .95rem;
  cursor: pointer;
}
#btn-baixar:disabled { background: #ccc; cursor: default; }

/* Catálogo */
.grade-produtos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: .8rem;
}
.card-produto {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding: .5rem;
  border: 2px solid transparent;
  border-radius: 8px;
  background: #faf8f6;
  cursor: pointer;
  text-align: left;
  font: inherit;
}
.card-produto:hover { border-color: #d8c7bb; }
.card-produto.ativo { border-color: #b3541e; background: #fdf3ec; }
.card-produto img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 5px;
}
.card-produto .nome { font-size: .85rem; font-weight: 600; }
.card-produto .medida { font-size: .78rem; color: #888; }
.selo-provisorio {
  position: absolute;
  top: .7rem;
  right: .7rem;
  background: #e6a23c;
  color: #fff;
  font-size: .68rem;
  padding: .15rem .45rem;
  border-radius: 4px;
}