/* Gloss Hub: phone layout. Loaded after main.css; only applies on screens 768px wide or less. */
@media (max-width: 768px) {
  html, body { max-width: 100%; overflow-x: hidden; -webkit-text-size-adjust: 100%; }
  .portal-container { max-width: 100vw; overflow-x: hidden; }

  /* Header: logo left, compact buttons right, stays at the top while scrolling */
  .portal-header { position: sticky; top: 0; z-index: 50; padding: 0 !important; }
  .header-top { display: flex; align-items: center; justify-content: space-between; gap: 10px;
                padding: 10px 16px !important; padding-top: calc(10px + env(safe-area-inset-top)) !important; }
  .header-left { min-width: 0; }
  .portal-logo { font-size: 22px !important; line-height: 1.05 !important; white-space: nowrap; }
  .header-right { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
  .user-details { display: none !important; }
  .user-info { gap: 0 !important; }
  .user-avatar { width: 34px !important; height: 34px !important; }
  .admin-btn, .logout-btn { font-size: 13px !important; padding: 0 12px !important; height: 36px;
                            line-height: 34px; white-space: nowrap; border-radius: 8px; }

  /* Menu: one swipeable row instead of squeezed tabs */
  .portal-nav { display: flex; flex-wrap: nowrap !important; overflow-x: auto; overflow-y: hidden;
                -webkit-overflow-scrolling: touch; scrollbar-width: none; scroll-snap-type: x proximity;
                padding: 0 8px !important; max-width: 100vw; box-sizing: border-box; }
  .portal-nav::-webkit-scrollbar { display: none; }
  .portal-tab { flex: 0 0 auto !important; white-space: nowrap !important; font-size: 14px !important;
                padding: 12px 14px !important; margin: 0 2px -1px !important; min-height: 44px;
                scroll-snap-align: start; }
  .portal-tab br { display: none; }

  /* Main area */
  .portal-main, .portal-body { padding: 16px !important; }
  .welcome-section { margin-bottom: 16px !important; }
  .welcome-section h2 { font-size: 22px !important; }
  .welcome-section p { font-size: 14px !important; }

  /* Section cards: one per row, icon on the left, easy to tap */
  .sections-grid, .section-grid, .doc-grid { grid-template-columns: 1fr !important; max-width: none !important;
                                              gap: 10px !important; }
  .section-card { display: grid !important; grid-template-columns: 40px 1fr 18px; column-gap: 12px;
                  align-items: center; min-height: 0 !important; padding: 14px 16px !important; }
  .section-icon { grid-column: 1; grid-row: 1 / span 3; font-size: 26px !important; margin: 0 !important;
                  width: auto !important; height: auto !important; text-align: center; }
  .section-name { grid-column: 2; margin: 0 !important; font-size: 16px !important; }
  .section-description { grid-column: 2; margin: 3px 0 0 !important; font-size: 13px !important; line-height: 1.35; }
  .external-link-badge { grid-column: 2; justify-self: start; width: auto !important; font-size: 10px !important;
                         margin: 6px 0 0 !important; }
  .section-arrow { grid-column: 3; grid-row: 1 / span 3; position: static !important; font-size: 18px !important; }

  /* Documents, stats, admin */
  .doc-card, .stat-card, .admin-card, .training-card { padding: 14px !important; }
  .doc-card-name, .training-card-name { font-size: 15px !important; }
  .doc-card-meta, .doc-card-tag { font-size: 12px !important; }
  .document-viewer-header { position: sticky; top: 0; z-index: 40; }
  .document-content { padding: 16px !important; overflow-x: auto; }
  .document-content img, .document-content iframe, .document-content table { max-width: 100%; }
  .document-content iframe { width: 100% !important; min-height: 70vh; }
  .document-body { font-size: 15px; }
  .admin-container { padding: 16px !important; }
  .users-table, .user-list { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .user-item { flex-wrap: wrap; gap: 8px; }
  .user-item-actions { width: 100%; justify-content: flex-start; }
  .form-input, .form-select, input, select, textarea { font-size: 16px !important; } /* stops iPhone zooming in */
  .btn-primary, .btn-secondary, .btn-danger, .btn-edit, .back-btn, .user-item-button, .form-button { min-height: 40px; }
  .portal-footer { padding: 16px !important; font-size: 11px; }

  /* Sign-in page */
  .login-container { padding: 16px !important; min-height: 100vh; }
  .login-card { width: 100% !important; max-width: 420px !important; padding: 32px 20px !important; }
  .google-login-btn, .login-button { width: 100%; min-height: 48px; font-size: 16px !important; }
}