:root{
  --cb-primary: #198754; /* Bootstrap success */
  --cb-primary-600:#146c43;
  --cb-primary-100: rgba(25,135,84,0.08);
  --cb-surface: #ffffff;
  --cb-bg: #f8f9fa;
  --cb-muted: #6c757d;
  --cb-radius: 12px;
  --cb-radius-sm: 8px;
  --cb-shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --cb-shadow: 0 8px 24px rgba(0,0,0,0.12);
  --cb-navbar-height: 56px;
}

@media (min-width: 992px){
  :root{ --cb-navbar-height: 64px; }
}

body{
  background-color: var(--cb-bg);
  padding-top: var(--cb-navbar-height);
}

.card, .auth-card{
  border-radius: var(--cb-radius);
}

.btn-success{
  background-color: var(--cb-primary);
  border-color: var(--cb-primary);
}
.btn-success:hover{
  background-color: var(--cb-primary-600);
  border-color: var(--cb-primary-600);
}

/* Toast container positioning */
.toast-container{
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1080;
}

.toast{
  border-radius: var(--cb-radius-sm);
  box-shadow: var(--cb-shadow-sm);
}

/* Navbar toggler: hamburger to X when open */
/* Default hamburger (white lines) */
.navbar .navbar-toggler .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(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  transition: transform .2s ease;
}
/* When expanded, show X icon */
.navbar .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon,
.navbar .navbar-toggler:not(.collapsed) .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(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M6 6L24 24M24 6L6 24'/%3e%3c/svg%3e");
}