/* ===== MOBILE LAYOUT FIX (FULL) ===== */
@media (max-width: 768px) {

  .app-container {
    display: flex;
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    padding: 12px;
    border-right: none;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 1000;
  }

  .sidebar nav {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    padding-bottom: 6px;
  }

  .sidebar nav a {
    flex: 0 0 auto;
    padding: 8px 12px;
    font-size: 13px;
    border-radius: 20px;
    background: #f4f4f7;
    white-space: nowrap;
  }

  .sidebar nav a.active {
    background: linear-gradient(135deg, #6a5cff, #4f46e5);
    color: #fff;
  }

  .sidebar .user-card {
    margin-top: 10px;
    padding: 10px;
    font-size: 12px;
  }

  .main-content {
    padding: 16px;
  }

  .card,
  .dashboard-card {
    margin-bottom: 12px;
  }
}