:root {
  --bg: #1E2022; --s1: #25282A; --s2: #2B2E31; --s3: #33373B; --borda: #3A3F45;
  --txt: #E8EDF4; --txt2: #A3AFC2; --azul: #2563EB; --azul2: #3B82F6;
  --verde: #22C55E; --ambar: #F59E0B; --verm: #EF4444;
}
* { box-sizing: border-box; margin: 0; }
html { background: var(--bg); color: var(--txt); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
body { max-width: 860px; margin: 0 auto; padding: 16px 16px 48px; }
.topo h1 { font-size: 20px; font-weight: 800; letter-spacing: .3px; }
.topo h1 span { color: var(--azul2); text-shadow: 0 0 14px rgba(37, 99, 235, .65); }
.topo p { color: var(--txt2); font-size: 13px; margin-top: 2px; }
.card { background: var(--s1); border: 1px solid var(--borda); border-radius: 12px; padding: 14px; margin-top: 14px; }
.card h2 { font-size: 16px; margin-bottom: 6px; }
.card p { color: var(--txt2); font-size: 13.5px; margin: 6px 0; }
label { display: block; font-size: 13px; color: var(--txt2); margin: 8px 0; }
label.inline { display: flex; align-items: center; gap: 8px; margin: 0; }
input, select, textarea {
  width: 100%; margin-top: 4px; background: var(--s2); color: var(--txt); border: 1px solid var(--borda);
  border-radius: 8px; padding: 10px; font: inherit; font-size: 14px;
}
select { width: auto; margin-top: 0; min-height: 44px; }
.acoes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; align-items: center; }
button {
  min-height: 44px; padding: 0 14px; border-radius: 9px; border: 1px solid var(--borda);
  background: var(--s3); color: var(--txt); font: inherit; font-weight: 600; cursor: pointer;
}
button.pri { background: var(--azul); border-color: var(--azul); color: #fff; }
button:disabled { opacity: .5; cursor: default; }
button:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--azul2); outline-offset: 2px; }
.saida {
  white-space: pre-wrap; word-break: break-word; background: var(--bg); border-radius: 8px; padding: 10px;
  margin-top: 10px; min-height: 2.2em; font: 12.5px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace;
}
.saida:empty { display: none; }
.ok { color: var(--verde); } .alerta { color: var(--ambar); } .erro { color: var(--verm); }
.qr { background: #fff; border-radius: 10px; padding: 12px; margin-top: 10px; width: max-content; max-width: 100%; }
.qr img { display: block; width: 240px; height: 240px; image-rendering: pixelated; }
.qr p { color: #333; font-size: 12.5px; text-align: center; }
video { display: block; width: 100%; max-height: 300px; border-radius: 8px; margin-top: 10px; background: #000; }
video[hidden] { display: none; }
textarea { min-height: 140px; margin-top: 10px; font: 12px/1.4 ui-monospace, Consolas, monospace; }
.recibo { display: none; }

@media print {
  @page { margin: 0; }
  html, body { background: #fff; color: #000; max-width: none; padding: 0; margin: 0; }
  body > *:not(.recibo) { display: none !important; }
  .recibo { display: block; width: 72mm; margin: 0 auto; padding: 3mm 0 6mm; font: 12px/1.35 ui-monospace, Consolas, monospace; color: #000; }
  .recibo .c { text-align: center; }
  .recibo .l { display: flex; justify-content: space-between; gap: 6px; }
  .recibo .l span:first-child { overflow-wrap: anywhere; }
  .recibo .l span:last-child, .recibo .l b:last-child { white-space: nowrap; }
  .recibo .m { padding-left: 2mm; }
  .recibo .t { font-size: 14px; margin: 2px 0; }
  .recibo hr { border: 0; border-top: 1px dashed #000; margin: 4px 0; }
}