/* Variáveis de Cores */
:root {
  --color-primary: #9C7C4C; /* Ouro/Bronze Escuro - para texto principal, botões */
  --color-secondary: #D5C0B3; /* Bege Claro/Nude - para fundo de elementos, tema */
  --color-accent: #C8A977; /* Ouro/Bronze Claro - para destaques, hover */
  --color-text-dark: #333333; /* Texto escuro */
  --color-text-light: #FFFFFF; /* Texto claro */
  --color-background: #F8F8F8; /* Fundo geral da página */
  --color-error: #D9534F; /* Cor para mensagens de erro */
}

/* Reset Básico */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Montserrat', sans-serif;
  background-color: var(--color-background);
  color: var(--color-text-dark);
  line-height: 1.6;
  padding-bottom: 50px; /* Espaço para o footer */
}

/* Layout */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

/* Header */
.site-header {
  background-color: var(--color-secondary);
  padding: 15px 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-inner {
  display: flex;
  align-items: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  width: 60px; /* Tamanho da logo */
  height: 60px;
  margin-right: 15px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent);
}

.brand {
  line-height: 1.2;
}

.brand-title {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.brand-subtitle {
  font-size: 0.75em;
  font-weight: 400;
  color: var(--color-primary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Seções */
.section-title {
  font-size: 2em;
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-top: 40px;
  margin-bottom: 10px;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-dark);
  margin-bottom: 30px;
}

/* Formulário */
#calc-form {
  background-color: var(--color-text-light);
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.input-group {
  display: flex;
  flex-direction: column;
}

.input-group label {
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--color-primary);
}

.input-group input[type="text"],
.input-group select {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1em;
  transition: border-color 0.3s;
}

.input-group select {
  appearance: none; /* Remove default arrow in some browsers */
  background-color: white;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%239C7C4C%22%20d%3D%22M287%20197.3L159.7%2069.9c-4.8-4.8-12.5-4.8-17.3%200L5.4%20197.3c-4.8%204.8-4.8%2012.5%200%2017.3l13.7%2013.7c4.8%204.8%2012.5%204.8%2017.3%200l115.5-115.5%20115.5%20115.5c4.8%204.8%2012.5%204.8%2017.3%200l13.7-13.7c4.7-4.8%204.7-12.5%200-17.3z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 10px top 50%;
  background-size: 12px;
  padding-right: 30px; /* Make space for the arrow */
}

.input-group input[type="text"] {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1em;
  transition: border-color 0.3s;
}

.input-group input[type="text"]:focus,
.input-group select:focus {
  border-color: var(--color-accent);
  outline: none;
}

.help-text {
  font-size: 0.8em;
  color: #666;
  margin-top: 5px;
}

.error {
  color: var(--color-error);
  font-size: 0.9em;
  margin-top: 5px;
  min-height: 1.2em;
}

/* Botão */
.btn-primary {
  display: block;
  width: 100%;
  padding: 12px;
  background-color: var(--color-primary);
  color: var(--color-text-light);
  border: none;
  border-radius: 4px;
  font-size: 1.1em;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
}

.btn-primary:hover {
  background-color: var(--color-accent);
}

.btn-primary:active {
  transform: scale(0.99);
}

/* Resultados */
.results {
  margin-top: 40px;
  background-color: var(--color-secondary);
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.results-title {
  font-size: 1.5em;
  color: var(--color-primary);
  margin-bottom: 20px;
  text-align: center;
}

.results-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.result-item {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-accent);
  font-size: 1.1em;
}

.result-item:last-child {
  border-bottom: none;
}

.result-item strong {
  font-weight: 700;
  color: var(--color-primary);
}

.result-highlight {
  background-color: var(--color-accent);
  color: var(--color-text-light);
  padding: 10px;
  border-radius: 4px;
  margin-top: 10px;
}

.result-highlight span {
  color: var(--color-text-light);
}

.result-highlight strong {
  color: var(--color-text-light);
  font-weight: 700;
  color: var(--color-primary);
}

/* Classificações de IMC */
.imc-underweight {
  color: #0066cc;
  font-weight: 600;
}

.imc-normal {
  color: #00aa00;
  font-weight: 600;
}

.imc-overweight {
  color: #ff9900;
  font-weight: 600;
}

.imc-obese1 {
  color: #ff6600;
  font-weight: 600;
}

.imc-obese2 {
  color: #ff3300;
  font-weight: 600;
}

.imc-obese3 {
  color: #cc0000;
  font-weight: 600;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 15px 0;
  background-color: var(--color-primary);
  color: var(--color-text-light);
  font-size: 0.9em;
  position: fixed;
  bottom: 0;
  width: 100%;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

/* Responsividade */
@media (max-width: 600px) {
  .header-inner {
    flex-direction: column;
    text-align: center;
  }

  .logo {
    margin-right: 0;
    margin-bottom: 10px;
  }

  .brand-title {
    font-size: 1.3em;
  }

  .brand-subtitle {
    font-size: 0.7em;
  }

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