/* Sample Host only. Not copied as Tool Core UI chrome in TOÁN TIN integration. */
.sample-host { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; min-height:100vh; background:#eef3f8; color:#19324a; }
.sample-host * { box-sizing:border-box; }
.sample-host__toolbar { position:fixed; z-index:50; display:flex; align-items:center; gap:6px; padding:6px; border:1px solid #cad6e2; border-radius:12px; background:#fff; box-shadow:0 10px 30px rgba(19,47,76,.12); }
.sample-host__toolbar button { min-width:44px; min-height:44px; border:1px solid #d7e1eb; border-radius:9px; background:#fff; color:#19324a; }
.sample-host__workspace { height:calc(100vh - 20px); margin:10px; border:1px solid #d7e1eb; border-radius:16px; overflow:hidden; background:#fff; }
.sample-host__note { position:fixed; right:16px; bottom:12px; font-size:12px; color:#66788a; }