/* Smooth transitions for high-end feel */
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: block;
            animation: fadeIn 0.4s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(8px); }
            to { opacity: 1; transform: translateY(0); }
        }
        /* Premium custom scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #00853b;
        }

/* NAS 보완 스타일 */
html { scroll-behavior: smooth; }
body { word-break: keep-all; }
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
@media (max-width: 640px) {
  .toast-mobile-safe { left: 1rem; right: 1rem; width: auto; }
}
@media print {
  header, footer, #toast-container, #confirm-modal { display: none !important; }
  .tab-content { display: block !important; }
  body { background: white !important; color: #111827 !important; }
}