/* LME CSS Otimizado - Apenas estilos necessários */

/* Fontes */
@import url(https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600&family=Oswald:wght@400;500;600;700&display=swap);

/* Reset básico */
* {
  box-sizing: border-box;
}

/* Containers principais */
.internas {
  padding: 20px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #333;
  margin-bottom: 2rem;
}

/* Charts Container */
.charts-container {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  padding: 20px;
  margin: 20px 0;
}

/* Metal Selector */
.metal-selector {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
}

.metal-selector .btn {
  padding: 12px 20px;
  border: 2px solid #ddd;
  background: #fff;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  min-width: 120px;
  text-align: center;
}

.metal-selector .btn:hover,
.metal-selector .btn.active {
  background: #007b3e;
  border-color: #007b3e;
  color: #fff;
  transform: translateY(-2px);
}

.metal-selector .btn .br {
  display: block;
  font-size: 14px;
}

.metal-selector .btn .en {
  display: none;
  font-size: 12px;
  opacity: 0.8;
}

/* Rate Container */
.rate-container {
  background: #f8f9fa;
  border-radius: 10px;
  padding: 20px;
  margin: 20px 0;
  min-height: 150px;
}

/* Cores específicas para cada metal */
.rate-container.cobre { background: linear-gradient(135deg, #ff6b35, #f7931e); }
.rate-container.zinco { background: linear-gradient(135deg, #74b9ff, #0984e3); }
.rate-container.aluminio { background: linear-gradient(135deg, #a29bfe, #6c5ce7); }
.rate-container.chumbo { background: linear-gradient(135deg, #fd79a8, #e84393); }
.rate-container.estanho { background: linear-gradient(135deg, #fdcb6e, #e17055); }
.rate-container.niquel { background: linear-gradient(135deg, #55a3ff, #3742fa); }
.rate-container.dolar { background: linear-gradient(135deg, #00b894, #00cec9); }

/* Charts */
.charts {
  margin-top: 20px;
}

.column-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.column-container.expandir {
  grid-template-columns: 1fr;
}

.title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #333;
  text-align: center;
}

/* Botão Expandir Gráficos */
.alterarGraficosBtn {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
}

.alterarGraficosBtn button {
  background: #007b3e;
  color: #fff;
  border: none;
  padding: 15px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(0,123,62,0.3);
  transition: all 0.3s ease;
}

.alterarGraficosBtn button:hover {
  background: #005a2d;
  transform: scale(1.05);
}

/* Month Selector */
.month-selector {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  margin: 20px 0;
  text-align: center;
}

.month-selector span {
  font-weight: 600;
  margin-right: 15px;
  color: #333;
}

.month-selector select {
  padding: 10px 15px;
  border: 2px solid #ddd;
  border-radius: 5px;
  background: #fff;
  font-size: 16px;
  cursor: pointer;
  min-width: 150px;
}

.month-selector select:focus {
  outline: none;
  border-color: #007b3e;
}

/* Table Container */
.table-container {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  margin: 20px 0;
  overflow: hidden;
}

/* Preloader */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* Responsividade */
@media (max-width: 768px) {
  .metal-selector {
    flex-direction: column;
    align-items: center;
  }
  
  .metal-selector .btn {
    width: 100%;
    max-width: 200px;
  }
  
  .column-container {
    grid-template-columns: 1fr;
  }
  
  .alterarGraficosBtn {
    display: none !important;
  }
}

/* Esconder elementos em inglês por padrão */
.en { display: none; }

/* Mostrar elementos em português */
.br { display: inline; }