/**
 * Driver Marketplace Nigeria — Responsive Styles
 * Mobile, Tablet, and Desktop Breakpoints
 */

/* Hamburger menu button (hidden on desktop) */
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
}

@media (max-width: 1024px) {
  :root {
    --sidebar-width: 220px;
  }
  
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .app-shell {
    flex-direction: column;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 25;
  }

  .sidebar-backdrop.active {
    display: block;
  }

  .top-header {
    padding: 0 1rem;
  }

  .content-scrollable {
    padding: 1rem;
  }

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

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

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

  .vehicle-selector {
    grid-template-columns: 1fr 1fr;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}