:root {
  --bg: #f3eadb;
  --ink: #1a140f;
  --muted: #5c5348;
  --paper: #fffdf8;
  --line: #2a241c;
  --green: #0b4f3f;
  --green-ink: #f6f0e6;
  --clay: #c23b22;
  --gold: #c9a227;
  --err: #8c1d18;
  --ok: #0b4f3f;
  --shadow: 0 2px 0 #1a140f;
  --tap: 48px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { color-scheme: light; }
body {
  font: 16px/1.45 "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 0%, #ead9b8 0, transparent 36%),
    var(--bg);
  min-height: 100dvh;
  padding-bottom: 7.5rem;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}
.skip:focus { left: 8px; top: 8px; background: var(--paper); padding: 8px; }

.top { padding: 16px 16px 0; }
.brand { display: flex; gap: 12px; align-items: center; }
.mark { width: 44px; height: 44px; flex: 0 0 44px; }
.name { margin: 0; font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em; }
.tag { margin: 2px 0 0; color: var(--muted); font-size: 0.92rem; }

main { padding: 12px 16px 24px; max-width: 520px; margin: 0 auto; }
.lead { margin: 12px 0 16px; color: var(--ink); }

.card, .result {
  background: var(--paper);
  border: 2px solid var(--line);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-bottom: 16px;
}
h1, h2 { margin: 0 0 12px; font-size: 1.2rem; }
label { display: block; margin: 0 0 14px; font-weight: 700; font-size: 0.95rem; }
input, textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  min-height: var(--tap);
  padding: 10px 12px;
  border: 2px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: 16px/1.3 ui-sans-serif, system-ui, sans-serif;
  border-radius: 2px;
}
textarea { min-height: 96px; resize: vertical; }
input:focus, textarea:focus, button:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}
.hint { display: block; margin-top: 4px; font-weight: 400; color: var(--muted); font-size: 0.82rem; }
.err { display: block; margin-top: 4px; color: var(--err); font-weight: 700; font-size: 0.85rem; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.empty { color: var(--muted); margin: 8px 0 0; }

button {
  font: 700 1rem/1.2 ui-sans-serif, system-ui, sans-serif;
  min-height: 52px;
  padding: 12px 16px;
  border: 2px solid var(--line);
  cursor: pointer;
  width: 100%;
}
.primary {
  background: var(--green);
  color: var(--green-ink);
  box-shadow: var(--shadow);
}
.primary:active { transform: translateY(1px); box-shadow: none; }
.ghost { background: var(--paper); color: var(--ink); }
.actions { display: grid; gap: 8px; margin: 12px 0; }
.ok { color: var(--ok); font-weight: 700; }

.qr-wrap { display: flex; justify-content: center; padding: 8px 0 16px; }
.qr { width: min(280px, 100%); background: var(--paper); }
.qr svg { width: 100%; height: auto; display: block; border: 2px solid var(--line); }

.payload-label { font-weight: 700; }

.recibo {
  margin-top: 8px;
  padding: 16px 14px 18px;
  border: 2px dashed var(--line);
  background: #fff;
}
.recibo-brand { margin: 0; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.75rem; }
.recibo-title { margin: 4px 0 12px; font-size: 1.15rem; font-weight: 700; }
.recibo dl { margin: 0; }
.recibo dl > div { display: grid; grid-template-columns: 7.5rem 1fr; gap: 8px; padding: 6px 0; border-top: 1px solid #d9d0c2; }
.recibo dt { color: var(--muted); font-weight: 400; }
.recibo dd { margin: 0; font-weight: 700; word-break: break-word; }
.nao-nf {
  margin: 14px 0 8px;
  padding: 8px;
  text-align: center;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--clay);
  border: 2px solid var(--clay);
}
.recibo-note { margin: 0; font-size: 0.82rem; color: var(--muted); }

.wait h2 { margin-bottom: 6px; }
.wait p { margin: 0 0 10px; }

.legal {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  background: #1a140f;
  color: #f6f0e6;
  font: 600 11px/1.35 ui-sans-serif, system-ui, sans-serif;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  border-top: 3px solid var(--gold);
}

@media (min-width: 520px) {
  .actions { grid-template-columns: 1fr 1fr 1fr; }
}

@media print {
  body {
    background: #fff;
    padding: 0;
    font-size: 12pt;
  }
  .skip, .top, .lead, #form, .actions, .wait, .legal, .qr-wrap, .payload-label, .ok, .result > h2 {
    display: none !important;
  }
  .result { display: block !important; border: 0; box-shadow: none; padding: 0; }
  .recibo {
    border: 2px solid #000;
    max-width: 100%;
  }
  .nao-nf { color: #000; border-color: #000; }
}