:root {
  --azul-escuro: #172a46;
  --azul: #28518a;
  --azul-claro: #edf4ff;
  --laranja: #e98324;
  --verde: #18794e;
  --verde-claro: #e7f6ed;
  --vermelho: #bd3b3b;
  --fundo: #f4f7fb;
  --branco: #ffffff;
  --borda: #dce4ee;
  --texto: #202b3c;
  --texto-suave: #68778c;
  --raio: 14px;
  --sombra: 0 8px 24px rgba(23, 42, 70, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--texto);
  background:
    radial-gradient(ellipse at 50% -220px, rgba(70, 111, 168, 0.12), transparent 60%),
    var(--fundo);
}

button,
input,
select {
  font: inherit;
}

/* Cabeçalho e navegação */
.topo {
  color: var(--branco);
  background: linear-gradient(120deg, #172a46, #24466f);
  padding: 28px max(20px, calc((100% - 1100px) / 2)) 0;
  box-shadow: 0 6px 24px rgba(23, 42, 70, 0.16);
}

.topo-conteudo {
  padding: 0 16px;
}

.sobre-titulo {
  margin: 0 0 4px;
  color: #b9cce5;
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.13em;
}

.topo h1 {
  margin: 0;
  font-size: clamp(24px, 4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.subtitulo {
  margin: 7px 0 20px;
  color: #d1dced;
  font-size: 14px;
}

.abas {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0 16px;
}

.aba {
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: 9px 9px 0 0;
  padding: 10px 16px;
  background: transparent;
  color: #d1dced;
  font-size: 14px;
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.aba:hover {
  color: var(--branco);
  background: rgba(255, 255, 255, 0.08);
}

.aba.ativa {
  border-color: var(--borda);
  background: var(--fundo);
  color: var(--azul-escuro);
  font-weight: 700;
}

.conteudo {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: 28px 20px 48px;
}

/* Cartões e títulos */
.cartao {
  margin-bottom: 20px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--borda);
  border-radius: var(--raio);
  background: var(--branco);
  box-shadow: var(--sombra);
}

.cartao h2 {
  margin: 0 0 18px;
  color: var(--azul-escuro);
  font-size: 19px;
  letter-spacing: -0.02em;
}

h3 {
  margin: 26px 0 10px;
  color: var(--azul-escuro);
  font-size: 16px;
}

/* Formulários */
.linha-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 13px;
  margin-bottom: 14px;
}

.campo {
  display: flex;
  min-width: 130px;
  flex-direction: column;
  gap: 6px;
  color: var(--texto-suave);
  font-size: 13px;
  font-weight: 650;
}

.campo.crescer {
  flex: 1 1 220px;
}

.campo.pequeno {
  width: 90px;
  min-width: 80px;
}

input,
select {
  width: 100%;
  min-height: 42px;
  border: 1px solid #cbd6e3;
  border-radius: 8px;
  padding: 9px 11px;
  background-color: var(--branco);
  color: var(--texto);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

input:hover,
select:hover {
  border-color: #9eafc3;
}

input:focus,
select:focus,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(233, 131, 36, 0.25);
  outline-offset: 2px;
  border-color: var(--laranja);
}

.campo-curto {
  width: 86px;
  min-width: 72px;
}

.campo-medio {
  width: 120px;
  min-width: 95px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  cursor: pointer;
}

.checkbox input {
  width: auto;
  min-height: auto;
}

/* Botões */
.botao {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 9px 16px;
  background: var(--laranja);
  color: var(--branco);
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, filter 120ms ease, box-shadow 120ms ease;
}

.botao:hover {
  filter: brightness(0.96);
  box-shadow: 0 3px 10px rgba(23, 42, 70, 0.12);
  transform: translateY(-1px);
}

.botao:active {
  transform: translateY(0);
}

.botao.pequeno {
  min-height: 32px;
  padding: 5px 10px;
  font-size: 13px;
}

.botao.perigo {
  border-color: #edcaca;
  background: #fff8f8;
  color: var(--vermelho);
}

.botao.perigo[data-passo="sim"] {
  border-color: var(--vermelho);
  background: var(--vermelho);
  color: var(--branco);
}

.botao.secundario {
  border-color: var(--borda);
  background: #f7f9fc;
  color: var(--azul-escuro);
}

.botao.whatsapp {
  background: var(--verde);
}

.confirmacao {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

.pergunta {
  color: var(--vermelho);
  font-size: 13px;
  font-weight: 700;
}

.barra-acoes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
}

/* Cotação extra e tabelas */
.cotacao-extra {
  border: 1px solid var(--borda);
  border-radius: 10px;
  padding: 14px 16px;
  background: #fbfcfe;
}

.cotacao-extra summary {
  color: var(--azul);
  font-weight: 700;
  cursor: pointer;
}

.cotacao-extra[open] summary {
  margin-bottom: 14px;
}

.tabela-rolagem {
  overflow-x: auto;
  border: 1px solid var(--borda);
  border-radius: 10px;
  scrollbar-color: #aebdd0 #f0f3f7;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

th,
td {
  padding: 11px 13px;
  border-bottom: 1px solid #e8edf3;
  text-align: left;
  vertical-align: middle;
}

th {
  background: #f5f8fc;
  color: #53647a;
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

th small {
  display: block;
  margin-top: 3px;
  color: var(--texto-suave);
  font-size: 11px;
  font-weight: 500;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:hover td {
  background-color: #f9fbfe;
}

td.acoes {
  width: 1%;
  text-align: right;
}

.comparativo td.mais-barato {
  background: var(--verde-claro);
  color: #145a3c;
}

.comparativo td.escolhido {
  box-shadow: inset 0 0 0 2px var(--laranja);
  font-weight: 700;
}

.comparativo td.sem-preco {
  color: #95a0af;
}

.opcao {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.opcao input {
  width: 16px;
  min-height: auto;
  height: 16px;
  accent-color: var(--azul);
}

/* Totais */
.totais {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(175px, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.total {
  display: flex;
  min-height: 88px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--borda);
  border-radius: 11px;
  padding: 13px 16px;
  background: #f7f9fc;
}

.total span {
  color: var(--texto-suave);
  font-size: 13px;
  font-weight: 600;
}

.total strong {
  color: var(--azul-escuro);
  font-size: 21px;
  letter-spacing: -0.02em;
}

.total.principal {
  border-color: var(--azul-escuro);
  background: var(--azul-escuro);
}

.total.principal span {
  color: #c7d5e8;
}

.total.principal strong {
  color: var(--branco);
}

/* Avisos e estados */
.dica {
  margin: 0 0 14px;
  color: var(--texto-suave);
  font-size: 13px;
}

.vazio {
  color: var(--texto-suave);
  font-style: italic;
}

.alerta {
  border-left: 4px solid var(--laranja);
  border-radius: 8px;
  padding: 11px 14px;
  background: #fff7ed;
  color: #7c4514;
}

.selo {
  display: inline-block;
  border-radius: 20px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 750;
}

.selo.verde {
  background: var(--verde-claro);
  color: var(--verde);
}

.aviso {
  position: fixed;
  z-index: 10;
  right: 20px;
  bottom: 20px;
  max-width: min(420px, calc(100% - 40px));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  padding: 12px 17px;
  background: var(--azul-escuro);
  color: var(--branco);
  box-shadow: 0 8px 30px rgba(23, 42, 70, 0.22);
}

[hidden] {
  display: none !important;
}

@media (max-width: 680px) {
  .topo {
    padding: 22px 12px 0;
  }

  .topo-conteudo {
    padding: 0 6px;
  }

  .abas {
    gap: 3px;
    padding: 0 4px;
  }

  .aba {
    flex: 1 1 auto;
    padding: 10px 9px;
    font-size: 13px;
  }

  .conteudo {
    padding: 18px 12px 36px;
  }

  .cartao {
    margin-bottom: 14px;
    padding: 17px 14px;
  }

  .linha-form {
    gap: 11px;
  }

  .linha-form .campo,
  .linha-form .campo.crescer {
    flex: 1 1 100%;
    min-width: 0;
    width: 100%;
  }

  .linha-form .botao {
    width: 100%;
  }

  .barra-acoes {
    align-items: stretch;
  }

  .barra-acoes > .botao,
  .barra-acoes > .confirmacao {
    flex: 1 1 100%;
  }

  .barra-acoes > .botao {
    width: 100%;
  }

  th,
  td {
    padding: 9px 10px;
  }

  .totais {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 380px) {
  .totais {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}