@media (max-width: 900px) {
  html,
  body {
    width: 100%;
    overflow-x: hidden;
  }

  body {
    display: block;
  }

  .sidebar {
    position: relative !important;
    inset: auto !important;
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    border-right: 0 !important;
    border-bottom: 1px solid var(--border);
  }

  .sidebar-logo {
    padding: 14px 16px !important;
  }

  .sidebar-nav {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px !important;
    padding: 10px !important;
    max-height: none;
    overflow: visible !important;
  }

  .nav-section {
    grid-column: 1 / -1;
    padding: 8px 6px 2px !important;
  }

  .nav-item {
    min-width: 0;
    justify-content: flex-start;
  }

  .sidebar-user {
    display: none !important;
  }

  .main {
    width: 100% !important;
    height: auto !important;
    min-height: 100vh;
    margin-left: 0 !important;
    overflow: visible !important;
  }

  .topbar {
    position: sticky;
    top: 0;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px !important;
  }

  .topbar-right {
    width: 100%;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .content {
    padding: 16px !important;
  }

  .dash-grid,
  .stats-grid,
  .status-grid,
  .earn-stats,
  .plans-grid,
  .features-grid,
  .metrics-grid,
  .body-grid,
  .two-col,
  .analysis-grid,
  .current-plan,
  .invite-hero,
  .pp-body,
  .pm-body,
  .cr-body {
    grid-template-columns: 1fr !important;
  }

  .ai-card-body,
  .enter-banner,
  .user-hero {
    display: grid !important;
    grid-template-columns: 1fr !important;
    text-align: left;
  }

  .ai-models-mini,
  .models-row {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .trial-countdown {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .tc-bar-wrap {
    min-width: 120px;
    max-width: none !important;
  }

  .modal,
  .pay-modal {
    width: calc(100vw - 24px) !important;
    max-height: calc(100vh - 24px);
    overflow: auto;
  }
}

@media (max-width: 520px) {
  .sidebar-nav,
  .plan-grid,
  .form-row,
  .uh-stats {
    grid-template-columns: 1fr !important;
  }

  .topbar-btn,
  .btn-primary,
  .lock-btn,
  .tc-upgrade {
    width: 100%;
    justify-content: center;
  }

  .ai-models-mini,
  .models-row {
    grid-template-columns: 1fr !important;
  }
}