:root {
  --cor: #0f766e;
  --cor-escura: #115e59;
  --fundo: #f6f7f5;
  --cartao: #ffffff;
  --texto: #1c1f1e;
  --discreto: #5f6b68;
  --borda: #dfe4e2;
  --erro: #b42318;
  --raio: 14px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texto);
  background: var(--fundo);
}

@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #111514;
    --cartao: #1a201f;
    --texto: #eef2f1;
    --discreto: #9aa7a4;
    --borda: #2c3533;
    --cor: #2dd4bf;
    --cor-escura: #14b8a6;
    --erro: #f97066;
  }
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100dvh; }
#app { max-width: 480px; margin: 0 auto; padding: max(24px, env(safe-area-inset-top)) 20px 32px; }

.tela { display: flex; flex-direction: column; gap: 16px; }
.centro { min-height: 70dvh; justify-content: center; }

h1 { font-size: 1.6rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 8px 0 0; }
p { margin: 0; line-height: 1.45; }
.discreto { color: var(--discreto); font-size: 0.95rem; }
.erro { color: var(--erro); font-size: 0.95rem; }
.marca { color: var(--cor); font-weight: 700; letter-spacing: 0.02em; }

label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; }
input {
  font: inherit; font-weight: 400;
  padding: 14px 16px; border-radius: 12px;
  border: 1px solid var(--borda); background: var(--cartao); color: var(--texto);
}
input:focus { outline: 2px solid var(--cor); outline-offset: 1px; }
input.codigo { font-size: 1.5rem; letter-spacing: 0.4em; text-align: center; }

button {
  font: inherit; font-weight: 600;
  padding: 14px 16px; border-radius: 12px; border: 0;
  background: var(--cor); color: #fff; cursor: pointer;
}
button:disabled { opacity: 0.6; cursor: default; }
button.secundario { background: transparent; color: var(--cor); border: 1px solid var(--borda); }
button.link { background: none; color: var(--cor); padding: 8px 0; font-weight: 500; text-align: left; }

.cartao {
  background: var(--cartao); border: 1px solid var(--borda); border-radius: var(--raio);
  padding: 16px; display: flex; flex-direction: column; gap: 6px;
}
.linha { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.etiqueta {
  font-size: 0.8rem; padding: 3px 10px; border-radius: 999px;
  background: color-mix(in srgb, var(--cor) 14%, transparent); color: var(--cor);
}
ul.lista { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
ul.passos { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 4px; color: var(--discreto); }