/* Mobile-First & Responsive Enhancements (100% Compatible con Dispositivos Móviles) */

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
}

.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  backdrop-filter: var(--backdrop-blur);
  z-index: 100;
  justify-content: space-around;
  align-items: center;
  padding: 0 12px;
}

.mobile-bottom-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--text-muted);
  font-size: 0.72rem;
  text-decoration: none;
  font-weight: 500;
  padding: 6px;
}

.mobile-bottom-item.active {
  color: var(--primary);
}

.mobile-bottom-item svg {
  width: 22px;
  height: 22px;
}

/* Mobile Responsive Breakpoints */
@media (max-width: 1024px) {
  .app-container {
    grid-template-columns: 1fr;
    grid-template-rows: 64px 1fr;
    grid-template-areas:
      "header"
      "main";
  }

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

  .app-sidebar.open {
    left: 0;
  }

  .sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 45;
  }

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

  .mobile-nav-toggle {
    display: block;
  }

  .header-search {
    width: 200px;
  }
}

@media (max-width: 768px) {
  .app-header {
    padding: 0 16px;
  }

  .header-search {
    display: none; /* Hide header search on small phones, available in section toolbars */
  }

  .app-main {
    padding: 16px 16px 80px 16px; /* Extra bottom padding for bottom nav */
  }

  .mobile-bottom-bar {
    display: flex;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-group {
    width: 100%;
  }

  .form-input, .form-select, .btn {
    min-height: 44px; /* Touch target minimum height */
  }

  /* Responsive Data Cards for Mobile Tables */
  .table-mobile-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .table-mobile-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
  }

  .table-mobile-label {
    color: var(--text-muted);
    font-weight: 600;
  }
}