html,
  body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    overflow-y: overlay; /* Premium overlay scrolling to prevent layout shift */
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.1) transparent;
    height: 100%;
    background: var(--bg-main);
  }

  /* GLOBAL OVERLAY SCROLLBARS (Premium Design) */
  ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
  }

  ::-webkit-scrollbar-track {
    background: transparent;
  }

  ::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0); /* Hidden by default */
    border-radius: 20px;
    background-clip: content-box;
    border: 1px solid transparent;
    transition: background-color 0.4s ease;
  }

  /* Show only on interaction/hover */
  *:hover::-webkit-scrollbar-thumb,
  *::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 0, 0, 0.15);
  }

  /* Apply overlay to common scrollable containers */
  .page, .modal-body, .admin-timeline, .fin-list, .table-responsive-premium, .modal-body {
    overflow-y: overlay !important;
  }

  /* Universal horizontal scroll container for responsive table safety */
  #audit-txns-list, 
  #audit-exps-list, 
  .table-responsive-premium,
  .table-responsive {
    overflow-x: auto !important;
    max-width: 100% !important;
    -webkit-overflow-scrolling: touch;
  }


  /* APP */
  #app-container {
    display: none;
  }

  .header {
    background: var(--bg-surface);
    padding: 0 24px;
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    right: 80px;
    left: 0;
    z-index: 1500;
    border-bottom: 1px solid var(--border-subtle);
    transition: all 0.3s ease;
  }

  .header h2 {
    margin: 0;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 800;
  }

  /* Bell Button Redesign */
  /* Bell & Theme Button Redesign */
  .notif-btn, .theme-toggle-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    color: var(--text-primary);
    font-size: 18px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
  }

  .notif-btn:hover, .theme-toggle-btn:hover {
    background: var(--active-bg);
    color: var(--text-primary);
    border-color: var(--border-strong);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
  }

  .theme-toggle-btn i {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  }

  body.dark-mode .theme-toggle-btn i {
    color: #fbbf24;
  }

  /* Premium Language Switcher */
  .header-lang-switcher {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    padding: 4px 14px 4px 6px;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    height: 42px;
    box-sizing: border-box;
    user-select: none;
  }

  .header-lang-switcher:hover {
    background: var(--active-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--remind-teal);
  }

  .lang-icon-box {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--remind-blue), var(--remind-teal));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }

  .header-lang-switcher:hover .lang-icon-box {
    transform: rotate(360deg) scale(1.1);
  }

  .lang-label {
    font-size: 11px;
    font-weight: 900;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: 'Exo', 'Cairo', sans-serif;
  }

  [dir="rtl"] .header-lang-switcher {
    padding: 4px 6px 4px 14px;
  }



  /* User Profile Section */
  .header-user-profile {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--hover-bg);
    padding: 6px 12px 6px 6px;
    border-radius: 40px;
    border: 1px solid var(--border-medium);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
  }

  .header-user-profile:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
  }

  .user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    background: #e2e8f0;
  }

  .user-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin-right: 4px;
  }

  .user-dropdown-arrow {
    font-size: 10px;
    color: var(--text-primary);
    margin-right: 5px;
  }

  /* Dropdown Menu */
  .user-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: var(--bg-elevated);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-medium);
    width: 180px;
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 2000;
    animation: fadeInScale 0.2s ease-out;
  }

  .user-dropdown-menu.active {
    display: flex;
  }

  .dropdown-item {
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 1px solid #f8fafc;
    text-align: right;
  }

  .dropdown-item i {
    width: 16px;
    text-align: center;
  }

  .dropdown-item:hover {
    background: #f8fafc;
    color: var(--remind-blue);
  }

  .dropdown-item.logout {
    color: #ef4444;
  }

  .dropdown-item.logout:hover {
    background: #fef2f2;
    color: #dc2626;
  }

  @keyframes fadeInScale {
    from { opacity: 0; transform: translateY(-10px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }

  @media (max-width: 600px) {
    .header {
      padding: 0 12px;
      height: 60px;
    }

    .header h2 {
      font-size: 15px;
    }

    .user-name {
      display: none;
    }
    
    .header-user-profile {
      padding: 4px;
    }
  }

  .page {
    display: none;
    padding: 85px 20px 100px; /* Increased bottom padding for mobile safety */
    animation: slideUp 0.4s ease;
    min-height: 100vh;
    box-sizing: border-box;
    transition: padding-top 0.3s ease;
    overflow-x: hidden;
  }

  .page.active {
    display: block;
  }

  @keyframes slideUp {
    from {
      opacity: 0;
      transform: translateY(20px);
    }

    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .card {
    background: var(--bg-surface);
    padding: 25px;
    border-radius: 18px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
    border: 1px solid var(--border-subtle);
  }

  .card h3 {
    margin-top: 0;
    color: var(--remind-blue);
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .glass-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-sm);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 20px;
    transition: transform 0.2s ease;
  }

  label {
    display: block;
    margin: 0 5px 8px;
    font-weight: 700;
    color: var(--text-secondary);
    font-size: 14px;
  }

  input,
  select,
  textarea {
    width: 100%;
    padding: 12px;
    border: 1.5px solid var(--border-medium);
    border-radius: 12px;
    box-sizing: border-box;
    font-family: 'Cairo';
    font-size: 15px;
    background: var(--bg-elevated);
    color: var(--text-primary);
    transition: all 0.3s ease;
    margin-bottom: 10px;
  }

  input:focus,
  select:focus,
  textarea:focus {
    border-color: var(--remind-teal);
    background: var(--bg-surface);
    outline: none;
  }

  .btn-submit {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 700;
    font-size: 16px;
    margin-top: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    font-family: 'Cairo';
  }

  .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  }

  .btn-submit:active {
    transform: translateY(0);
  }

  .btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
  }

  .btn-session {
    background: var(--remind-teal);
  }

  .btn-trans {
    background: var(--remind-blue);
  }

  .btn-client {
    background: #4a5568;
  }

  .btn-expense {
    background: #e53e3e;
  }

  .input-group-premium {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
  }

  .input-group-premium label {
    font-size: 13px;
    font-weight: 800;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 2px;
  }

  .btn-dash {
    background: linear-gradient(135deg, var(--remind-blue), var(--remind-teal));
  }

  .glass-btn {
    background: var(--remind-blue);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 0 15px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 80, 130, 0.2);
    height: 46px;
    transition: all 0.3s ease;
  }

  .glass-btn:hover {
    background: #003d63;
    transform: translateY(-2px);
  }

  .select2-container--default .select2-selection--single .select2-selection__rendered {
    line-height: 48px;
    padding-right: 15px;
    text-align: right;
    color: var(--text-primary) !important;
    font-weight: 700;
  }

  .select2-container .select2-selection--single {
    height: 48px !important;
    border-radius: 12px !important;
    border: 1.5px solid var(--border-medium) !important;
    background-color: var(--bg-elevated) !important;
    display: flex !important;
    align-items: center !important;
  }

  .select2-container--default .select2-selection--single:hover {
    border-color: var(--text-primary) !important;
    background-color: var(--bg-surface) !important;
  }

  body.dark-mode .select2-dropdown {
    background-color: var(--bg-surface) !important;
    border-color: var(--border-subtle) !important;
    box-shadow: var(--shadow-xl) !important;
  }

  body.dark-mode .select2-results__option[aria-selected=true] {
    background-color: var(--active-bg) !important;
    color: var(--text-primary) !important;
  }

  body.dark-mode .select2-search__field {
    background-color: var(--bg-elevated) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-subtle) !important;
  }

  .select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 48px !important;
    left: 10px !important;
    right: auto !important;
  }

  .select2-container--default .select2-selection--single .select2-selection__clear {
    margin-left: 10px !important;
    float: left !important;
    color: #ef4444 !important;
    font-weight: 900 !important;
  }
  .select2-dropdown {
    border-radius: 16px !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1) !important;
    overflow: hidden !important;
    padding: 5px !important;
    z-index: 99999999 !important; /* Extremely high for modals */
    background: var(--bg-elevated) !important;
    animation: select2In 0.2s ease-out;
  }
  @keyframes select2In {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .select2-search--dropdown {
    padding: 10px !important;
  }
  .select2-search--dropdown .select2-search__field {
    border-radius: 10px !important;
    border: 1.5px solid var(--border-medium) !important;
    padding: 10px 15px !important;
    font-family: 'Cairo' !important;
    font-size: 13px !important;
    outline: none !important;
    transition: border-color 0.2s;
  }
  .select2-search--dropdown .select2-search__field:focus {
    border-color: #475569 !important;
    box-shadow: 0 0 0 3px rgba(71, 85, 105, 0.1);
  }
  .select2-results__option {
    border-radius: 10px !important;
    margin: 2px 4px !important;
    padding: 8px 12px !important;
    font-size: 13px !important;
    font-weight: 700 !important;
    transition: all 0.2s ease;
    white-space: nowrap !important;
    text-align: right !important;
    direction: rtl !important;
  }
  .select2-results__option--highlighted[aria-selected] {
    background-color: #475569 !important;
    color: #fff !important;
  }
  .select2-container--default .select2-results__option[aria-selected=true] {
    background-color: var(--hover-bg) !important;
    color: var(--text-primary) !important;
  }

  /* Responsive Adjustments */
  @media (max-width: 768px) {
    .select2-container--default .select2-selection--single {
      height: 46px !important;
      border-radius: 12px !important;
    }
    .select2-container--default .select2-selection--single .select2-selection__rendered {
      line-height: 46px !important;
      font-size: 13px !important;
    }
    .select2-container--default .select2-selection--single .select2-selection__arrow {
      height: 44px !important;
    }
    .select2-results__option {
      padding: 8px 12px !important;
      font-size: 12px !important;
    }
  }

  /* RESPONSIVE GRID SYSTEM */
  .responsive-grid {
    display: grid;
    gap: 20px;
  }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }

  @media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 600px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; }
    .modal-box { padding: 20px !important; margin: 10px !important; width: calc(100% - 20px) !important; }

    /* todayDetailsModal mobile compatibility overrides */
    #todayDetailsModal .responsive-grid.grid-4 {
      grid-template-columns: repeat(2, 1fr) !important;
      gap: 10px !important;
    }
    #todayDetailsModal .tdm-stat-mini {
      padding: 12px 10px !important;
      border-radius: 16px !important;
    }
    #todayDetailsModal .tdm-stat-mini .val {
      font-size: 20px !important;
    }
    #todayDetailsModal .tdm-stat-mini .lbl {
      font-size: 10px !important;
    }
    #todayDetailsModal .modal-body > div:first-child {
      padding: 20px !important;
    }
    #todayDetailsModal .modal-body > div:first-child > div:first-child {
      flex-direction: column !important;
      align-items: stretch !important;
      gap: 12px !important;
      margin-bottom: 20px !important;
    }
    #todayDetailsModal #tdm-date-text {
      display: block !important;
      text-align: center !important;
      width: 100% !important;
      font-size: 12px !important;
      box-sizing: border-box !important;
    }
    #tdm-content-area {
      padding: 12px !important;
      min-height: auto !important;
    }
    #tdm-content-area .txn-item {
      display: flex !important;
      flex-direction: row !important;
      align-items: center !important;
      justify-content: space-between !important;
      padding: 10px 12px !important;
      gap: 8px !important;
      border-radius: 16px !important;
      margin-bottom: 10px !important;
    }
    #tdm-content-area .txn-icon-box {
      width: 32px !important;
      height: 32px !important;
      font-size: 13px !important;
      border-radius: 10px !important;
    }
    #tdm-content-area .txn-info-side {
      gap: 10px !important;
      flex: 1 !important;
      min-width: 0 !important;
    }
    #tdm-content-area .txn-text-box {
      gap: 1px !important;
      min-width: 0 !important;
      flex: 1 !important;
    }
    #tdm-content-area .txn-main-title {
      font-size: 11px !important;
      font-weight: 850 !important;
      max-width: 125px !important;
      overflow: hidden !important;
      text-overflow: ellipsis !important;
      white-space: nowrap !important;
      line-height: 1.3 !important;
    }
    #tdm-content-area .txn-sub-title {
      font-size: 9px !important;
      font-weight: 600 !important;
      white-space: nowrap !important;
      overflow: hidden !important;
      text-overflow: ellipsis !important;
      max-width: 125px !important;
    }
    #tdm-content-area .txn-amount-side {
      align-items: flex-end !important;
      gap: 2px !important;
    }
    #tdm-content-area .txn-status-label {
      font-size: 8px !important;
      font-weight: 900 !important;
      margin-bottom: 0 !important;
    }
    #tdm-content-area .txn-amount-val {
      font-size: 12px !important;
      font-weight: 900 !important;
    }
    #tdm-content-area .tdm-undo-btn {
      width: 26px !important;
      height: 26px !important;
      border-radius: 8px !important;
      font-size: 11px !important;
      flex-shrink: 0 !important;
    }
  }

  /* Ensure Select2 hidden state matches parent */
  .select2-container {
    width: 100% !important;
  }
  [style*="display: none"] + .select2-container,
  [style*="display:none"] + .select2-container {
    display: none !important;
  }

  /* PAGE VISIBILITY MANAGER TOGGLES */
  .pm-toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
  }
  .pm-toggle input { opacity: 0; width: 0; height: 0; }
  .pm-toggle .slider {
    position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0;
    background-color: #cbd5e1; transition: .4s; border-radius: 34px;
  }
  .pm-toggle .slider:before {
    position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px;
    background-color: white; transition: .4s; border-radius: 50%;
  }
  .pm-toggle input:checked + .slider { background-color: var(--remind-blue); }
  .pm-toggle input:checked + .slider.opt { background-color: #f59e0b; }
  .pm-toggle input:checked + .slider:before { transform: translateX(20px); }

  /* TODAY DETAILS MODAL (TDM) PREMIUM STYLES */
  .tdm-stat-mini {
    padding: 20px;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .tdm-stat-mini:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.08);
  }
  .tdm-stat-mini.active {
    box-shadow: 0 0 0 3px var(--bg-surface), 0 0 0 6px var(--border-subtle);
    transform: scale(1.05);
  }
  .tdm-stat-mini.active::after {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 10px;
    opacity: 0.5;
  }
  .tdm-stat-mini .val {
    font-size: 26px;
    font-weight: 900;
    margin-bottom: 5px;
  }
  .tdm-stat-mini .lbl {
    font-size: 11px;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }

  .tdm-tab-btn {
    flex: 1;
    padding: 14px;
    border: none;
    background: var(--hover-bg);
    border-radius: 14px;
    font-family: 'Cairo';
    font-weight: 800;
    font-size: 13px;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
  }
  .tdm-tab-btn i {
    font-size: 14px;
    opacity: 0.7;
  }
  .tdm-tab-btn:hover {
    background: var(--active-bg);
    color: var(--text-primary);
  }
  .tdm-tab-btn.active {
    background: var(--text-primary);
    color: var(--bg-surface);
    box-shadow: var(--shadow-lg);
  }
  .tdm-tab-btn.active i {
    opacity: 1;
  }

  .tdm-undo-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: #fee2e2;
    color: #ef4444;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 13px;
  }
  .tdm-undo-btn:hover {
    background: #ef4444;
    color: #fff;
    transform: scale(1.1);
  }

  /* Update txn-item for TDM */
  #tdm-content-area .txn-item {
    margin-bottom: 12px;
    padding: 15px;
    background: var(--bg-surface);
    border: 1.5px solid var(--border-subtle);
    border-radius: 18px;
    transition: all 0.2s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.01);
  }
  #tdm-content-area .txn-item:hover {
    border-color: #e2e8f0;
    background: #fcfdfe;
    transform: translateX(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
  }