* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Arial, sans-serif;
}

body {
  min-height: 100vh;
  background: #1f2433;
  color: #fff;
  padding: 16px;
}

header {
  text-align: center;
  margin-bottom: 18px;
}

header h1 {
  font-size: 26px;
  margin-bottom: 6px;
}

.frase-app {
  font-size: 13px;
  opacity: 0.82;
  margin-bottom: 12px;
}

#cabecalho-info {
  background: #2b3145;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 14px;
}

#saldo {
  font-size: 20px;
  font-weight: 700;
  color: #59d172;
}

#dividas-pendentes {
  font-size: 16px;
  color: #ffd166;
  margin-top: 4px;
}

#seletor-idioma {
  display: flex;
  justify-content: center;
  gap: 6px;
}

#seletor-idioma button,
.aba-btn,
.botao-adicionar,
#btn-exportar,
#btn-importar,
.botao-apagar,
.botao-pagar {
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}

#seletor-idioma button {
  background: #3a4258;
  color: white;
  padding: 7px 11px;
}

#seletor-idioma button:hover,
.aba-btn.ativa,
.botao-adicionar {
  background: #00a8ff;
}

.abas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 15px;
}

.aba-btn {
  background: #3a4258;
  color: white;
  min-height: 40px;
  padding: 8px;
  font-size: 14px;
}

.aba-conteudo {
  display: none;
}

.aba-conteudo.ativa {
  display: block;
}

#graficoFinanceiro {
  width: 100%;
  height: auto;
  display: block;
  background: #2b3145;
  border-radius: 8px;
  margin-bottom: 16px;
}

.add {
  background: #2b3145;
  padding: 15px;
  border-radius: 8px;
  margin-top: 16px;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.add select,
.add input {
  width: 100%;
  padding: 11px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-size: 15px;
}

.add input:focus,
.add select:focus {
  outline: 2px solid #00a8ff;
}

.botao-adicionar {
  color: #fff;
  min-height: 44px;
  font-size: 15px;
}

#historico-titulo {
  font-size: 18px;
  margin-bottom: 10px;
}

#historico-lista {
  list-style: none;
}

#historico-lista li {
  background: #2b3145;
  padding: 11px;
  border-radius: 8px;
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#historico-lista li.entrada {
  border-left: 5px solid #59d172;
}

#historico-lista li.saida {
  border-left: 5px solid #ff6b6b;
}

#historico-lista li.divida {
  border-left: 5px solid #ffd166;
}

#historico-lista li.historico-vazio {
  color: rgba(255, 255, 255, 0.78);
  border-left: none;
}

.botao-apagar,
.botao-pagar {
  color: white;
  padding: 8px;
  font-size: 13px;
}

.botao-apagar {
  background: #e84118;
}

.botao-pagar {
  background: #2fbf71;
}

.backup-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

#btn-exportar,
#btn-importar {
  background: #6c63ff;
  color: white;
  min-height: 42px;
  padding: 8px 10px;
  font-size: 14px;
}

footer {
  text-align: center;
  margin-top: 18px;
  font-size: 13px;
}

footer a {
  color: #9bdcff;
}

@media (min-width: 640px) {
  body {
    max-width: 520px;
    margin: 0 auto;
  }
}