:root {
  --fundo: #f3f6f8;
  --papel: #ffffff;
  --tinta: #10222b;
  --tinta-2: #4a5d66;
  --linha: #d3dde2;
  --frio: #0b4f6c;
  --frio-2: #1479a3;
  --ok: #1d6b3a;
  --ok-fundo: #e1f3e7;
  --atencao: #8a4b00;
  --atencao-fundo: #fff1dc;
  --erro: #a3211b;
  --raio: 12px;
  --toque: 48px;
  font-size: 17px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--fundo); color: var(--tinta);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; line-height: 1.4;
}
.topo {
  position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top));
  background: var(--frio); color: #fff;
}
.topo-marca { background: none; border: 0; color: #fff; font: inherit; font-weight: 700; font-size: 1.1rem; min-height: 40px; padding: 0; cursor: pointer; }
.topo .link { color: #fff; }
main { max-width: 560px; margin: 0 auto; padding: 16px 16px 96px; outline: none; }
h1 { font-size: 1.35rem; margin: 4px 0 12px; }
h2 { font-size: 1.05rem; margin: 20px 0 8px; color: var(--tinta-2); text-transform: uppercase; letter-spacing: .04em; }
p { margin: 6px 0; }
.sub { color: var(--tinta-2); font-size: .92rem; }

.cartao { background: var(--papel); border: 1px solid var(--linha); border-radius: var(--raio); padding: 14px; margin: 10px 0; }
.cartao h3 { margin: 0 0 4px; font-size: 1rem; }

label { display: block; font-weight: 600; margin: 12px 0 4px; }
label .opc { font-weight: 400; color: var(--tinta-2); }
input, select, textarea {
  width: 100%; min-height: var(--toque); padding: 10px 12px; font: inherit; color: inherit;
  background: #fff; border: 1.5px solid #9fb2bb; border-radius: 10px;
}
textarea { min-height: 84px; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: 3px solid var(--frio-2); outline-offset: 2px;
}
input.placa { font-size: 1.8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; text-align: center; font-family: ui-monospace, Menlo, monospace; }

button, .botao {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--toque); padding: 10px 18px; border-radius: 10px; border: 0;
  font: inherit; font-weight: 700; cursor: pointer; background: var(--frio); color: #fff;
}
button.largo { width: 100%; margin-top: 16px; }
button.sec { background: #fff; color: var(--frio); border: 1.5px solid var(--frio); }
button.link { background: none; color: var(--frio); padding: 0 4px; min-height: 40px; text-decoration: underline; font-weight: 600; }
button:disabled { opacity: .55; cursor: wait; }

.sintomas { display: grid; gap: 10px; }
.sintomas button { justify-content: flex-start; min-height: 64px; text-align: left; background: #fff; color: var(--tinta); border: 1.5px solid var(--linha); font-size: 1.05rem; }
.sintomas button[aria-pressed="true"] { border-color: var(--frio); background: #e4f1f7; box-shadow: inset 0 0 0 1.5px var(--frio); }

.grade2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-items: end; }
.grade2 label { margin-top: 6px; }
fieldset { border: 1px solid var(--linha); border-radius: var(--raio); padding: 4px 14px 14px; margin: 12px 0; background: var(--papel); }
legend { font-weight: 700; padding: 0 6px; }
input[inputmode="decimal"] { font-size: 1.3rem; font-weight: 700; text-align: center; }

.selo { display: inline-block; white-space: nowrap; font-size: .78rem; font-weight: 700; padding: 2px 8px; border-radius: 999px; vertical-align: middle; }
.selo.ok { background: var(--ok-fundo); color: var(--ok); }
.selo.conf { background: var(--atencao-fundo); color: var(--atencao); }
.selo.aberto { background: #e4f1f7; color: var(--frio); }

.aplic { list-style: none; margin: 0; padding: 0; }
.aplic li > span:last-child { flex-shrink: 0; text-align: right; }
.aplic li { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 8px 0; border-top: 1px solid var(--linha); }
.aplic li:first-child { border-top: 0; }
.pressoes { font-family: ui-monospace, Menlo, monospace; font-size: .92rem; color: var(--tinta-2); }
.caso.mesmo-ano { border-left: 5px solid var(--frio); }
.check { display: flex; align-items: center; gap: 10px; font-weight: 600; margin-top: 14px; }
.check input { width: 26px; min-height: 26px; height: 26px; }

#aviso {
  position: fixed; left: 12px; right: 12px; bottom: max(12px, env(safe-area-inset-bottom));
  max-width: 536px; margin: 0 auto; padding: 14px 16px; border-radius: var(--raio);
  background: var(--erro); color: #fff; font-weight: 600; z-index: 5;
}
#aviso.ok { background: var(--ok); }
.vazio { color: var(--tinta-2); font-style: italic; }
@media (prefers-reduced-motion: no-preference) { .cartao { transition: box-shadow .15s; } }