body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    /* Nền trắng dịu (Slate-50) */
    background-color: #f8fafc;
    color: #334155;
    margin: 0;
    -webkit-tap-highlight-color: transparent;
}

.pb-safe { padding-bottom: env(safe-area-inset-bottom); }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 2px; }