* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  margin: 0;
  background: #f5f6f8;
  color: #1a1a2e;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

h1 { font-size: 1.6rem; margin: 0 0 6px; }

.topo { margin-bottom: 20px; }
.topo .subtitulo {
  margin: 0;
  max-width: 640px;
  color: #6b7280;
  font-size: 0.95rem;
  line-height: 1.45;
}

form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

label { display: flex; flex-direction: column; font-size: 0.85rem; gap: 6px; }

.modo-titulo {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

/* bloco de premissas: cenário + juros + inflação + dica do juro real */
.premissas {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 0;
  padding: 10px 14px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  min-width: 0;
}
.premissas legend {
  padding: 0 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: #6b7280;
}
.premissas select { min-width: 0; }
/* os nomes dos cenários são longos: o seletor ocupa a linha inteira do bloco */
.premissas .cenario-wrap { grid-column: 1 / -1; }
.dica {
  grid-column: 1 / -1;
  margin: -4px 0 0;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #6b7280;
}
.dica strong { color: #0e9f6e; margin-right: 6px; }
.dica strong:empty { display: none; }
.dica-link { margin-left: 6px; color: #9aa4b2; white-space: nowrap; }

/* navegação discreta para as calculadoras secundárias: lista sempre as
   OUTRAS — o label do modo ativo some, e o título do formulário diz qual é. */
.outras {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 14px;
  margin: 10px 6px 0;
  font-size: 0.8rem;
  color: #9aa4b2;
}
.outras input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.outras label {
  display: inline;
  font-size: inherit;
  color: #64748b;
  cursor: pointer;
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}
.outras label:hover { color: #1a1a2e; }
.outras input:checked + label { display: none; }
.outras input:focus-visible + label {
  outline: 2px solid #2d6cdf;
  outline-offset: 2px;
  border-radius: 3px;
}

/* o hidden do UA é sobrescrito pelas regras de autor (`label { display: flex }`);
   repor display:none para qualquer elemento com o atributo hidden. O !important
   é mantido porque `.modo-toggle` tem a mesma especificidade que `[hidden]`
   (ambas 0,1,0) — sem ele, a ordem no arquivo decidiria o empate. */
[hidden] { display: none !important; }

input, select {
  padding: 8px 10px;
  border: 1px solid #cfd3dc;
  border-radius: 8px;
  font-size: 1rem;
}

.linha { display: flex; gap: 8px; }
.linha input { flex: 1; min-width: 0; }

button {
  grid-column: 1 / -1;
  padding: 12px;
  border: none;
  border-radius: 8px;
  background: #2d6cdf;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}
button:hover { background: #2358bd; }

#aviso {
  margin: 12px 0 0;
  padding: 10px 14px;
  border-radius: 8px;
  background: #fdecea;
  color: #a3261a;
}

#resumo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.cartao {
  background: #fff;
  padding: 18px;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cartao .rotulo { font-size: 0.8rem; color: #6b7280; }
.cartao strong { font-size: 1.4rem; }

#grafico-wrap {
  background: #fff;
  padding: 18px;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  margin-bottom: 24px;
}

#tabela-wrap {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  max-height: 420px;
  overflow-y: auto;
}

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 8px 12px; text-align: right; }
th:first-child, td:first-child { text-align: left; }
thead th {
  position: sticky;
  top: 0;
  background: #eef1f6;
}
tbody tr:nth-child(even) { background: #fafbfc; }

.modo-toggle {
  grid-column: 1 / -1;
  display: inline-flex;
  background: #eef1f6;
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
}
.modo-toggle input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.modo-toggle label {
  flex: 1;
  text-align: center;
  padding: 8px 18px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: #64748b;
  transition: background 0.15s, color 0.15s;
}
.modo-toggle input:checked + label {
  background: #fff;
  color: #1a1a2e;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}
.modo-toggle input:focus-visible + label {
  outline: 2px solid #2d6cdf;
  outline-offset: 2px;
}

.cartao .real { font-size: 0.78rem; color: #9aa4b2; line-height: 1.35; }
.cartao .real:empty { display: none; }

#nota-inflacao {
  margin: 20px 0 -8px;
  font-size: 0.85rem;
  line-height: 1.45;
  color: #6b7280;
}
#nota-inflacao:empty { display: none; }

.check-corrigir {
  grid-column: 1 / -1;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: #1a1a2e;
}
.check-corrigir input {
  width: auto;
  padding: 0;
  border: none;
}

.modo-toggle.submodo { background: #f1f5f9; }
.modo-toggle.submodo label { font-size: 0.85rem; }

#tabela.sem-real th:nth-child(6),
#tabela.sem-real td:nth-child(6) { display: none; }

#rodape {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid #e5e7eb;
  font-size: 0.82rem;
  line-height: 1.5;
  color: #4b5563;
}
#rodape h2 { font-size: 1rem; margin: 0 0 8px; color: #1a1a2e; }
#rodape h3 { font-size: 0.9rem; margin: 20px 0 8px; color: #1a1a2e; }
#rodape p { margin: 0 0 12px; }
#rodape a { color: #2d6cdf; }
#rodape code { font-size: 0.8rem; background: #eef1f6; padding: 1px 5px; border-radius: 4px; }

.tabela-cenarios-wrap {
  overflow-x: auto;
  margin: 12px 0 16px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
#tabela-cenarios { font-size: 0.8rem; min-width: 640px; }
#tabela-cenarios th, #tabela-cenarios td { text-align: left; vertical-align: top; }
#tabela-cenarios td:first-child { min-width: 170px; }
#tabela-cenarios th:nth-child(2), #tabela-cenarios td:nth-child(2),
#tabela-cenarios th:nth-child(3), #tabela-cenarios td:nth-child(3),
#tabela-cenarios th:nth-child(4), #tabela-cenarios td:nth-child(4) { text-align: right; white-space: nowrap; }
#tabela-cenarios thead th { position: static; }
#tabela-cenarios td:nth-child(4) { font-weight: 600; color: #0e9f6e; }
#tabela-cenarios tr.grupo th {
  background: #f5f6f8;
  color: #1a1a2e;
  font-size: 0.78rem;
  padding-top: 12px;
}
#tabela-cenarios tbody tr:nth-child(even) { background: transparent; }

.fontes { padding-left: 20px; margin: 0; }
.fontes li { margin-bottom: 8px; }
.aviso-legal { margin-top: 16px; font-size: 0.76rem; color: #9aa4b2; }