:root{--bg: #f7f8fa;--surface: #ffffff;--surface-2: #f1f3f7;--border: #e3e6ec;--text: #16181d;--text-dim: #62677a;--text-faint: #8f95a8;--accent: #4f46e5;--accent-text: #ffffff;--accent-soft: #eef0fe;--danger: #b42318;--danger-soft: #fef3f2;--success: #067647;--success-soft: #ecfdf3;--radius: 12px;--radius-lg: 18px;--shadow-sm: 0 1px 2px rgb(16 24 40 / .06);--shadow-md: 0 4px 16px rgb(16 24 40 / .08);--thread-width: 46rem;color-scheme:light dark}@media (prefers-color-scheme: dark){:root{--bg: #0f1116;--surface: #171a21;--surface-2: #1e222b;--border: #2a2f3a;--text: #eceef2;--text-dim: #a0a6b6;--text-faint: #6e7484;--accent: #7c74f2;--accent-text: #0f1116;--accent-soft: #20213a;--danger: #f97066;--danger-soft: #2a1a1a;--success: #47cd89;--success-soft: #14251d;--shadow-sm: 0 1px 2px rgb(0 0 0 / .4);--shadow-md: 0 4px 16px rgb(0 0 0 / .45)}}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}button{font:inherit}kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85em;background:var(--surface-2);border:1px solid var(--border);border-radius:4px;padding:0 4px}.app{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:100%}.topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 1.25rem;background:color-mix(in srgb,var(--surface) 85%,transparent);border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.topbar__brand{display:flex;align-items:center;gap:.55rem}.topbar__dot{width:9px;height:9px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px var(--success-soft)}.topbar__name{font-weight:600;letter-spacing:-.01em}.topbar__agent{font-size:.72rem;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:.1rem .5rem}.thread{overflow-y:auto;padding:1.5rem 1.25rem}.thread__inner{width:100%;max-width:var(--thread-width);margin:0 auto;display:flex;flex-direction:column;gap:1rem}.footer{border-top:1px solid var(--border);background:var(--surface);padding:.85rem 1.25rem 1.1rem}.footer__inner{width:100%;max-width:var(--thread-width);margin:0 auto}.empty{text-align:center;padding:3rem 0 1rem}.empty__mark{width:52px;height:52px;margin:0 auto 1.1rem;display:grid;place-items:center;border-radius:14px;background:var(--accent-soft);color:var(--accent)}.empty__title{margin:0 0 .5rem;font-size:1.5rem;letter-spacing:-.02em}.empty__lede{margin:0 auto 2rem;max-width:34rem;color:var(--text-dim)}.empty__examples{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem}.chip{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:.45rem .9rem;color:var(--text-dim);cursor:pointer;transition:background .15s,color .15s,border-color .15s}.chip:hover{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.msgs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:1rem}.msg{display:flex;gap:.6rem;align-items:flex-start}.msg--user{justify-content:flex-end}.msg__avatar{flex:0 0 auto;width:28px;height:28px;margin-top:2px;display:grid;place-items:center;border-radius:8px;background:var(--accent-soft);color:var(--accent)}.msg__body{min-width:0;max-width:78%;display:flex;flex-direction:column;gap:.25rem}.msg--user .msg__body{align-items:flex-end}.msg__bubble{padding:.65rem .9rem;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow-wrap:anywhere}.msg--bot .msg__bubble{border-top-left-radius:6px}.msg--user .msg__bubble{background:var(--accent);border-color:transparent;color:var(--accent-text);border-top-right-radius:6px}.msg__line{margin:0}.msg__line:empty{height:.6em}.msg__time{font-size:.72rem;color:var(--text-faint);padding:0 .35rem}.typing{display:inline-flex;gap:4px;align-items:center;height:1.35em}.typing span{width:6px;height:6px;border-radius:50%;background:var(--text-faint);animation:blink 1.3s infinite ease-in-out}.typing span:nth-child(2){animation-delay:.18s}.typing span:nth-child(3){animation-delay:.36s}@keyframes blink{0%,80%,to{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}@media (prefers-reduced-motion: reduce){.typing span{animation:none;opacity:.6}}.reqform{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:1.1rem 1.2rem}.reqform__header{display:flex;align-items:center;gap:.6rem;margin-bottom:.4rem;flex-wrap:wrap}.reqform__badge{font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:.15rem .5rem}.reqform__title{margin:0;font-size:1rem;font-weight:600}.reqform__summary{margin:0 0 1rem;color:var(--text-dim);font-size:.9rem}.reqform__note{margin:0 0 1rem;padding:.5rem .7rem;border-radius:8px;background:var(--surface-2);color:var(--text-dim);font-size:.85rem}.reqform__fields{display:grid;gap:.9rem;margin-bottom:1.1rem}.field__label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.2rem}.field__req{color:var(--danger)}.field__hint{margin:0 0 .35rem;font-size:.78rem;color:var(--text-faint)}.field__input{width:100%;font:inherit;color:var(--text);background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:.5rem .65rem}.field__input:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.field__choices{display:flex;flex-wrap:wrap;gap:.4rem 1rem;padding:.4rem .1rem}.field__choice{display:inline-flex;align-items:center;gap:.4rem;font:inherit;color:var(--text);cursor:pointer}.field__choice input{accent-color:var(--accent)}.field__input--invalid{border-color:var(--danger)}.field__error{margin:.3rem 0 0;font-size:.78rem;color:var(--danger)}.reqform__actions{display:flex;gap:.5rem;justify-content:flex-end}.btn{border-radius:8px;padding:.5rem .9rem;border:1px solid transparent;cursor:pointer;transition:opacity .15s,background .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--sm{padding:.3rem .6rem;font-size:.85rem}.btn--primary{background:var(--accent);color:var(--accent-text)}.btn--ghost{background:transparent;border-color:var(--border);color:var(--text-dim)}.btn--ghost:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.created,.error{display:flex;align-items:center;justify-content:space-between;gap:1rem;border-radius:var(--radius);padding:.75rem 1rem;border:1px solid}.created{background:var(--success-soft);border-color:color-mix(in srgb,var(--success) 35%,transparent);color:var(--success)}.created__link{color:inherit;font-weight:700;text-decoration:underline;text-underline-offset:2px}.created__link:focus-visible{outline:2px solid currentColor;outline-offset:2px;border-radius:3px}.created--dry{background:var(--surface-2);border-color:var(--border);color:var(--text-dim)}.error{background:var(--danger-soft);border-color:color-mix(in srgb,var(--danger) 35%,transparent);color:var(--danger)}.composer{display:grid;grid-template-columns:1fr auto;grid-template-areas:"input send" "hint hint";gap:.5rem;align-items:end}.composer__input{grid-area:input;width:100%;resize:none;overflow-y:hidden;font:inherit;color:var(--text);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);padding:.7rem .85rem}.composer__input:focus-visible,.chip:focus-visible,.btn:focus-visible,.composer__send:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.composer__send{grid-area:send;width:40px;height:40px;display:grid;place-items:center;border:none;border-radius:var(--radius);background:var(--accent);color:var(--accent-text);cursor:pointer;transition:opacity .15s}.composer__send:disabled{opacity:.4;cursor:not-allowed}.composer__hint{grid-area:hint;margin:0;font-size:.75rem;color:var(--text-faint)}@media (max-width: 640px){.msg__body{max-width:88%}.composer__hint{display:none}.reqform{padding:.9rem .85rem}.reqform__actions .btn{flex:1}}.choices{margin:.75rem 0 .25rem}.choices__list{display:flex;flex-wrap:wrap;gap:.5rem;margin:0;padding:0;list-style:none}.choices__btn{cursor:pointer;padding:.45rem .85rem;font:inherit;font-size:.9rem;color:var(--accent-ink, #1d4ed8);background:var(--surface, #fff);border:1px solid var(--accent-line, #c7d7fe);border-radius:999px;transition:background .12s ease,border-color .12s ease}.choices__btn:hover:not(:disabled){background:var(--accent-wash, #eef2ff);border-color:var(--accent-ink, #1d4ed8)}.choices__btn:disabled{cursor:default;opacity:.55}.choices__hint{margin:.5rem 0 0;font-size:.8rem;color:var(--muted, #6b7280)}.gate{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:1.5rem;background:var(--bg, #f7f7f8)}.gate__checking{color:var(--muted, #6b7280);font-size:.9rem}.gate__card{max-width:26rem;padding:2rem;text-align:center;background:var(--surface, #fff);border:1px solid var(--line, #e5e7eb);border-radius:14px;box-shadow:0 1px 2px #0000000a,0 8px 24px #0000000a}.gate__dot{display:inline-block;width:.6rem;height:.6rem;margin-bottom:1rem;background:#16a34a;border-radius:50%}.gate__title{margin:0 0 .5rem;font-size:1.25rem}.gate__lead{margin:0 0 1.25rem;color:var(--muted, #6b7280);font-size:.925rem;line-height:1.5}.gate__refusal{margin:0 0 1.25rem;padding:.7rem .85rem;color:#92400e;font-size:.875rem;line-height:1.45;text-align:left;background:#fffbeb;border:1px solid #fde68a;border-radius:8px}.gate__cta{display:inline-block;text-decoration:none}.gate__note{margin:1rem 0 0;color:var(--muted, #6b7280);font-size:.8rem}.topbar__right{display:flex;gap:.5rem;align-items:center}.topbar__user{color:var(--muted, #6b7280);font-size:.85rem}.gate__hint{margin:0 0 1.25rem;padding:.7rem .85rem;color:#1e40af;font-size:.875rem;line-height:1.45;text-align:left;background:#eff6ff;border:1px solid #bfdbfe;border-radius:8px}.gate__hint strong{font-weight:600;word-break:break-all}