html,body,#root{height:100%;margin:0}
      .no-select { user-select: none; -webkit-user-select: none; }
      .tooltip-anim { animation: fadeIn 0.15s ease-out forwards; }
      @keyframes fadeIn { from { opacity: 0; transform: translate(-50%, -5px); } to { opacity: 1; transform: translate(-50%, 0); } }
      @keyframes logoEntrance { from { opacity: 0; transform: scale(0.8); } to { opacity: 1; transform: scale(1); } }
      .splash-enter { animation: logoEntrance 0.8s ease-out forwards; }
      .help-scroll::-webkit-scrollbar { width: 8px; }
      .help-scroll::-webkit-scrollbar-track { background: #f1f1f1; border-radius: 4px; }
      .help-scroll::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
      .help-scroll::-webkit-scrollbar-thumb:hover { background: #94a3b8; }
      /* PDF Grid */
      .pdf-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 1rem; }