@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,700&family=IBM+Plex+Sans:wght@400;600&family=IBM+Plex+Mono:wght@400;600&display=swap');

:root {
  --paper: #F1ECE0;
  --paper-raised: #F8F5EC;
  --ink: #1E2A22;
  --ink-soft: #4A5A4F;
  --gold: #A9832B;
  --green: #2F6B4F;
  --red: #A83B32;
  --line: #C9C0AC;
}

* { box-sizing: border-box; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', sans-serif;
  margin: 0;
  padding: 48px 20px;
  line-height: 1.5;
}

.container { max-width: 640px; margin: 0 auto; }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 6px;
}

h1 {
  font-family: 'Fraunces', serif;
  font-weight: 700;
  font-size: 34px;
  margin: 0 0 32px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 16px;
}

.card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px;
  box-shadow: 0 2px 0 var(--line);
}

.campo { margin-bottom: 20px; }

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink-soft);
}

input[type="number"] {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #fff;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 16px;
  color: var(--ink);
}

input[type="number"]:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
}

button {
  width: 100%;
  padding: 14px;
  background: var(--ink);
  color: var(--paper);
  border: none;
  border-radius: 3px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s ease;
}

button:hover { background: var(--green); }
button:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.erro {
  background: #F6E4E1;
  border: 1px solid var(--red);
  color: var(--red);
  padding: 12px 16px;
  border-radius: 3px;
  font-size: 14px;
  margin-bottom: 20px;
}

/* --- extrato (resultado) --- */
.extrato {
  margin-top: 40px;
  background: var(--paper-raised);
  border: 1px dashed var(--line);
  border-radius: 4px;
  padding: 28px;
  position: relative;
}

.extrato h2 {
  font-family: 'Fraunces', serif;
  font-size: 20px;
  margin: 0 0 20px;
}

.linha-banco {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
}

.linha-banco:first-of-type { border-top: none; }

.linha-banco .nome-banco {
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 600;
  font-size: 15px;
}

.linha-banco .sistema {
  color: var(--ink-soft);
  font-size: 12px;
}

.linha-banco .juros { color: var(--red); }

.linha-banco.melhor {
  position: relative;
  background: rgba(47, 107, 79, 0.06);
  margin: 0 -14px;
  padding: 14px;
  border-radius: 3px;
}

.selo {
  position: absolute;
  top: -10px;
  right: 8px;
  background: var(--green);
  color: var(--paper);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 4px 8px;
  border-radius: 2px;
  transform: rotate(4deg);
  text-transform: uppercase;
}

@media (max-width: 480px) {
  h1 { font-size: 26px; }
  .linha-banco { flex-direction: column; gap: 4px; }
}

/* --- resultado de amortização antecipada --- */
.resultado-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
}

.resultado-item:first-of-type { border-top: none; }

.resultado-item .rotulo {
  font-family: 'IBM Plex Sans', sans-serif;
  color: var(--ink-soft);
  font-size: 13px;
}

.resultado-item .valor { font-weight: 600; }

.caixa-quitado {
  background: rgba(47, 107, 79, 0.08);
  border: 1px solid var(--green);
  border-radius: 4px;
  padding: 16px;
  margin-bottom: 16px;
  font-size: 14px;
}

.caixa-destaque {
  margin-top: 24px;
  background: var(--ink);
  color: var(--paper);
  border-radius: 4px;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.caixa-destaque .rotulo {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}

.caixa-destaque .valor {
  font-family: 'Fraunces', serif;
  font-size: 26px;
  font-weight: 700;
}

@media (max-width: 480px) {
  .caixa-destaque { flex-direction: column; align-items: flex-start; gap: 10px; }
}