:root {
  --bs-primary: #1a3a5c;
  --bs-primary-rgb: 26, 58, 92;
}

html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  margin-bottom: 60px;
  background-color: #f8f9fa;
  color: #333;
}

.btn-primary {
  background-color: var(--bs-primary);
  border-color: var(--bs-primary);
}

.btn-primary:hover {
  background-color: #122a42;
  border-color: #122a42;
}

.card {
  border: none;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
  transition: transform .2s ease, box-shadow .2s ease;
}

.card-hover:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,.14);
}

.navbar-brand {
  letter-spacing: 0.5px;
}

.footer {
  background-color: #fff;
}

.table thead th {
  background-color: #f1f3f5;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

.badge {
  font-weight: 500;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    width: 3rem;
    height: 3rem;
}