/* ==============================================================
   Mobile + Tablet Responsive — shared ทุกหน้าใน LearnCPR
   ============================================================== */

/* ── Hamburger button (สร้างไว้รอใช้ใน sidebar pages) ── */
.mobile-hamburger {
  display: none;
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 200;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: #991b1b;
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,.15);
  align-items: center;
  justify-content: center;
}
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 99;
}
.mobile-overlay.show { display: block; }

/* ── ≤ 768px (mobile + small tablet) ── */
@media (max-width: 768px) {

  /* Hamburger ปรากฏ */
  .mobile-hamburger { display: inline-flex; }

  /* Sidebar → drawer (slide จากซ้าย) */
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 0 0 28px rgba(0,0,0,.18);
  }
  .sidebar.open { transform: translateX(0); }

  /* main เต็มจอ ไม่มี margin ของ sidebar */
  .main { margin-left: 0 !important; padding: 60px 16px 24px !important; }

  /* Tabs scroll horizontal กรณีเยอะ */
  .main-tabs {
    overflow-x: auto;
    flex-wrap: nowrap !important;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .main-tabs::-webkit-scrollbar { display: none; }
  .main-tab { flex-shrink: 0; }

  /* Search bar — stack แนวตั้ง */
  .search-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-bar .filter-btn { width: 100%; text-align: center; }

  /* Info grid 3 cols → 1 col */
  .info-grid {
    grid-template-columns: 1fr !important;
  }

  /* Tables → scrollable */
  .hist-table, table { font-size: 12px; }
  .hist-table-wrap, .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: max-content; }

  /* User card detail tabs — เลื่อนแนวนอน */
  .detail-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    width: 100% !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .detail-tabs::-webkit-scrollbar { display: none; }
  .detail-tabs .tab-btn { flex-shrink: 0; }

  /* Modals — กว้างเต็มจอ */
  .modal,
  #termsModal > div,
  #postModal > div,
  #forgotModal > div,
  #forceChangeModal > div,
  #resetSuccessModal > div {
    max-width: 100% !important;
    width: calc(100% - 24px) !important;
    padding: 22px !important;
    max-height: 90vh !important;
    overflow-y: auto !important;
  }

  /* Login/register modal step */
  .modal-row { grid-template-columns: 1fr !important; flex-direction: column; }
  .modal-input, .modal-field input, .modal-field select { font-size: 16px !important; /* กัน iOS zoom */ }
  .modal-btn { font-size: 15px !important; padding: 13px !important; }

  /* Hero */
  .hero { padding: 40px 16px 30px !important; }
  .hero h1, h1 { font-size: 28px !important; line-height: 1.25; }
  .hero-actions { flex-direction: column; gap: 10px; align-items: stretch; }
  .hero-actions > * { width: 100%; text-align: center; }

  /* Container padding */
  .container { padding-left: 16px !important; padding-right: 16px !important; }

  /* Section spacing */
  section, .partners, .cta-section, .activities { padding: 40px 0 !important; }

  /* Section heads — stack */
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }

  /* Partner grid: 2 cols on mobile */
  .partner-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  /* Stats / Activity cards — stack */
  .stats-grid, .activities-grid, .features-grid {
    grid-template-columns: 1fr !important;
  }

  /* Navbar */
  .nav-list, .topbar-nav { display: none !important; }

  /* Form labels readable */
  label { font-size: 13px !important; }

  /* Buttons larger touch target */
  button { min-height: 40px; }

  /* Cert / page-title */
  .page-title { font-size: 18px !important; }
  .page-sub { font-size: 13px !important; }

  /* Stat rows in index */
  .stat-row { padding: 10px 14px !important; font-size: 13px !important; }
  .stat-row .place { flex: 1; }

  /* Posts modal */
  #postModalBody { font-size: 14px !important; }
  #postModalTitle { font-size: 18px !important; }

  /* Profile sidebar dashboard */
  .profile-card, .pending-banner { padding: 14px !important; }

  /* Cert preview */
  .cert-preview, .certificate { transform: scale(0.7); transform-origin: top center; }

  /* Reset request cards stack */
  #resetList > div > div { flex-direction: column !important; align-items: stretch !important; }
  #resetList > div > div > div:last-child { display: flex; gap: 8px; margin-top: 12px; }
  #resetList > div > div > div:last-child button { flex: 1; }

  /* ── Admin panel — user list & cards ── */
  body, html { overflow-x: hidden; }
  .main { padding: 56px 10px 20px !important; max-width: 100vw; overflow-x: hidden; }

  .user-row { padding: 10px 10px !important; gap: 8px !important; align-items: flex-start; }
  .user-avatar { width: 36px !important; height: 36px !important; font-size: 16px !important; flex-shrink: 0; }
  .user-info { min-width: 0; flex: 1; }
  .user-name { font-size: 13px !important; line-height: 1.3; word-break: break-word; }
  .user-name span { display: inline-block; margin: 2px 0 0 0 !important; font-size: 10px !important; padding: 1px 6px !important; }
  .user-meta { font-size: 10px !important; }
  .role-badge { font-size: 9px !important; padding: 2px 6px !important; flex-shrink: 0; }
  .chevron { display: none !important; }
  .user-detail { padding: 10px !important; }

  .info-grid { grid-template-columns: 1fr !important; gap: 5px !important; }
  .info-item { padding: 6px 9px !important; flex-direction: row !important; align-items: center; gap: 8px; }
  .info-label { font-size: 9px !important; min-width: 64px; flex-shrink: 0; }
  .info-val { font-size: 12px !important; }

  .approve-btn { font-size: 12px !important; padding: 8px 12px !important; width: 100% !important; justify-content: center; }
  .cert-edit-form { grid-template-columns: 1fr !important; gap: 8px !important; }
  .cert-field input { font-size: 16px !important; }

  /* main tabs — บังคับ scroll แนวนอน */
  .main-tabs {
    width: 100% !important;
    max-width: 100% !important;
    padding: 4px !important;
    gap: 4px !important;
    margin-bottom: 14px !important;
    overflow-x: auto !important;
    overflow-y: hidden;
    flex-wrap: nowrap !important;
    white-space: nowrap !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .main-tabs::-webkit-scrollbar { display: none; }
  .main-tab {
    font-size: 11px !important;
    padding: 7px 10px !important;
    flex-shrink: 0 !important;
    white-space: nowrap !important;
  }

  /* search bar */
  .search-bar { gap: 6px !important; margin-bottom: 14px !important; }
  .search-input { font-size: 14px !important; padding: 9px 12px !important; }
  .filter-btn { font-size: 12px !important; padding: 7px 12px !important; }

  /* Activity log */
  #logList > div { padding: 9px 10px !important; }
  #logList > div > div:first-child { flex-direction: column !important; align-items: flex-start !important; gap: 3px !important; }
  #logList > div > div:first-child > div { font-size: 12px !important; }

  /* Post cards stack */
  .post-card { flex-direction: column !important; align-items: stretch !important; gap: 8px !important; padding: 12px !important; }
  .post-actions { flex-wrap: wrap; gap: 5px !important; }
  .post-actions button { flex: 1; min-width: 60px; font-size: 11px !important; padding: 6px 6px !important; }
  .post-pin-icon { display: none !important; }
  .post-title { font-size: 13px !important; }
  .post-body-text { font-size: 12px !important; }

  /* Reset request, create-admin, reset-success, edit-post modals */
  #createAdminModal > div, #editPostModal > div, #resetSuccessModal > div { padding: 18px !important; }
  #createAdminModal input, #editPostModal input, #editPostModal textarea, #editPostModal select { font-size: 16px !important; }

  /* Pending banner */
  .pending-banner { padding: 10px 12px !important; font-size: 12px !important; gap: 8px; }
  .pending-banner-text { font-size: 12px !important; }
  .pending-count { font-size: 11px !important; padding: 1px 7px !important; }

  /* Card sections */
  .card { padding: 16px !important; }
  .card-title { font-size: 14px !important; margin-bottom: 12px !important; padding-bottom: 8px !important; }

  /* Section spacing tightening */
  .page-title { font-size: 17px !important; }
  .page-sub { font-size: 12px !important; margin-bottom: 14px !important; }
}

@media (max-width: 480px) {
  .main { padding: 52px 8px 16px !important; }
  .main-tab { font-size: 10px !important; padding: 6px 8px !important; }
  .filter-btn { font-size: 11px !important; padding: 6px 9px !important; }
  .user-name { font-size: 12px !important; }
  .role-badge { display: none !important; }
}

/* ── ≤ 480px (small phones) ── */
@media (max-width: 480px) {
  .partner-grid { grid-template-columns: 1fr !important; }
  .hero h1, h1 { font-size: 24px !important; }
  .modal-title { font-size: 16px !important; }
  .modal-icon-wrap { transform: scale(0.85); }
  .info-grid { gap: 6px !important; }
  .info-item { padding: 8px 10px !important; }
}