:root {
  --tafira-dark: #1f2a37;
  --tafira-accent: #d97706;
}

body {
  background-color: #f4f6f8;
}

.sidebar {
  width: 250px;
  min-height: 100vh;
  background-color: var(--tafira-dark);
}

.sidebar-brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.sidebar .nav-link {
  color: #cbd5e1;
  border-radius: 8px;
  margin-bottom: 2px;
}

.sidebar .nav-link i {
  width: 20px;
  display: inline-block;
}

.sidebar .nav-link:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.sidebar .nav-link.active {
  background-color: var(--tafira-accent);
  color: #fff;
}

.main-content {
  min-height: 100vh;
}

.card {
  border: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.stat-card {
  border-radius: 12px;
}

.badge-vencido {
  background-color: #dc2626;
}

.badge-proximo {
  background-color: #d97706;
}

.badge-ok {
  background-color: #16a34a;
}

.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1f2a37, #374151);
}

.login-card {
  width: 100%;
  max-width: 380px;
  border-radius: 16px;
}

table.table-tafira thead {
  background-color: #eef1f4;
}

.text-mejor-precio {
  color: #16a34a;
  font-weight: 600;
}