:root {
  /* Cores Institucionais Codevasf */
  --codevasf-blue: #0066B3;
  --codevasf-blue-dark: #004C8C;
  --codevasf-green: #008658;
  --codevasf-green-dark: #006642;
  --codevasf-yellow: #FFCB05;

  /* Cores de Apoio UI */
  --bg-body: #f8f9fa;
  /* Fundo bem claro */
  --bg-card: #ffffff;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;

  /* Shadow Suave */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-primary);
  padding-top: 4.5rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  color: var(--codevasf-blue-dark);
}

/* Navbar Personalizada - Limpa e Profissional */
.navbar-custom {
  background: #ffffff;
  border-bottom: 2px solid var(--codevasf-blue);
  box-shadow: var(--shadow-sm);
  padding: 0.75rem 1rem;
}

.navbar-custom .navbar-brand {
  color: var(--codevasf-blue);
  font-weight: 700;
  font-size: 1.25rem;
}

.navbar-custom .nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  transition: all 0.2s;
  padding: 0.5rem 1rem;
  border-radius: 6px;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
  color: var(--codevasf-blue) !important;
  background-color: rgba(0, 102, 179, 0.05);
}

.navbar-custom .navbar-toggler {
  border-color: transparent;
}

.navbar-custom .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(0, 102, 179, 0.75)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Cards Modernos e Limpos */
.card {
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 12px;
  background-color: var(--bg-card);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
}

/* Header de Card "Leve" */
.card-header {
  background-color: #fff;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  color: var(--text-primary);
  padding: 1rem 1.25rem;
}

/* Bordas de destaque opcionais (sem, fundo colorido) */
.card-header-primary {
  border-top: 4px solid var(--codevasf-blue);
  color: var(--codevasf-blue);
}

.card-header-success {
  border-top: 4px solid var(--codevasf-green);
  color: var(--codevasf-green);
}

/* Header com gradiente sutil se necessário (mas usuario pediu leveza) */
.bg-gradient-blue {
  background: white !important;
  border-left: 5px solid var(--codevasf-blue);
  color: var(--text-primary) !important;
}

.text-white-on-gradient {
  color: var(--text-primary) !important;
}

/* Tabelas Refinadas */
.table {
  width: 100%;
  margin-bottom: 0;
  vertical-align: middle;
}

.table thead th {
  background-color: #f8fafc;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border-bottom: 2px solid var(--border-color);
}

.table-hover tbody tr:hover {
  background-color: #f8fafc;
}

/* Utilitários de Texto Codevasf */
.text-codevasf {
  color: var(--codevasf-blue) !important;
}

.text-codevasf-green {
  color: var(--codevasf-green) !important;
}

/* Botões */
.btn-primary {
  background-color: var(--codevasf-blue);
  border-color: var(--codevasf-blue);
}

.btn-primary:hover {
  background-color: var(--codevasf-blue-dark);
  border-color: var(--codevasf-blue-dark);
}

.btn-outline-primary {
  color: var(--codevasf-blue);
  border-color: var(--codevasf-blue);
}

.btn-outline-primary:hover {
  background-color: var(--codevasf-blue);
  color: white;
}

.btn-success {
  background-color: var(--codevasf-green);
  border-color: var(--codevasf-green);
}

/* Ajustes no Layout Base */
.nav-link.btn-light {
  color: var(--codevasf-blue);
  font-weight: 600;
}