:root{--bg:#f5f7fb;--panel:#ffffff;--ink:#0f172a;--muted:#6b7280;--accent:#0c78f4;--accent2:#0549cf;--border:#e4e8f0;--user-bubble:#f2fbff;--asst-bubble:#fdf7ed;--radius:18px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 OpenAI Sans,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.chat-wrap{height:100%;display:grid;grid-template-rows:auto 1fr auto;gap:16px;padding:24px clamp(16px,4vw,48px)}.topbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:16px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);box-shadow:0 8px 24px #0f172a0d}.brand-icon{width:40px;height:40px;border-radius:12px;overflow:hidden;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;background:#f0f4ff}.brand-icon img{width:100%;height:100%;object-fit:cover}.topbar .title{font-size:1.1rem;font-weight:700}.topbar .sub{color:var(--muted);font-size:.9rem}.topbar .spacer{flex:1}.pill{font-size:.85rem;color:var(--muted);border:1px dashed var(--border);padding:4px 12px;border-radius:999px}.topbar-buttons{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.user-info{display:flex;flex-direction:column;align-items:flex-end;font-size:.85rem;min-width:120px;gap:2px}.user-info span{font-weight:600;color:var(--ink)}.user-info small{color:var(--muted)}.ghost{background:transparent;border:1px solid var(--border);color:var(--ink);border-radius:10px;padding:8px 14px;cursor:pointer;transition:background .2s}.ghost:hover{background:#0c78f414}.ghost.danger{border-color:#f8d4d4;color:#b91c1c}.ghost.danger:hover{background:#f8717126}.messages{overflow:auto;padding:28px 20px;display:flex;flex-direction:column;gap:18px;border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);box-shadow:0 12px 28px #0f172a0d}.start-screen{text-align:center;color:var(--muted);padding:24px;border:1px dashed var(--border);border-radius:var(--radius);background:linear-gradient(145deg,#fff,#f7fbff)}.start-avatar{width:72px;height:72px;margin:0 auto 12px;border-radius:24px;overflow:hidden;border:1px solid var(--border)}.start-avatar img{width:100%;height:100%;object-fit:cover}.start-title{font-size:1.1rem;color:var(--ink);font-weight:700;margin-bottom:8px}.prompt-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:16px}.prompt-chip{border:1px solid var(--border);border-radius:999px;padding:8px 16px;background:#fff;color:var(--ink);cursor:pointer;font-size:.9rem;transition:all .2s}.prompt-chip:hover{border-color:var(--accent);color:var(--accent);box-shadow:0 4px 10px #0c78f426}.bubble-row{display:flex;gap:12px;align-items:flex-end}.bubble-row.user-row{flex-direction:row-reverse}.avatar{width:40px;height:40px;border-radius:14px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;background:#f0f4ff;flex-shrink:0}.avatar.asst{background:#fff;padding:2px}.avatar.asst img{width:100%;height:100%;object-fit:cover;border-radius:12px}.avatar.user{background:#0c78f41a}.avatar.user svg{width:22px;height:22px;stroke:var(--accent);stroke-width:1.5;fill:none}.avatar.user svg circle{fill:#0c78f414}.bubble{max-width:680px;width:fit-content;padding:14px 16px;border-radius:18px;border:1px solid var(--border);background:var(--user-bubble);white-space:pre-wrap;word-break:break-word;line-height:1.5;box-shadow:0 8px 20px #0f172a14}.bubble.user{background:var(--user-bubble);border-color:#cfe5ff}.bubble.asst{background:var(--asst-bubble);border-color:#ffe3bd}.offer-card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px;margin-bottom:12px;box-shadow:0 8px 20px #0f172a0f;font-size:.9rem;white-space:normal}.offer-card-header{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.offer-card-title{font-weight:700;font-size:1rem}.offer-card-company-name{font-weight:600;color:var(--ink)}.offer-card-company-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.8rem}.offer-card-totals{display:flex;align-items:center;gap:12px;margin-bottom:12px}.offer-card-badge{padding:4px 10px;border-radius:999px;border:1px solid var(--border);font-size:.75rem;color:var(--muted)}.offer-card-total-values{margin-left:auto;text-align:right}.offer-card-total-values strong{display:block;font-size:1rem}.offer-card-total-values small{color:var(--muted)}.offer-card-items{display:flex;flex-direction:column;gap:10px}.offer-card-html>*:not(:last-child){margin-bottom:12px}.offer-card-item{display:flex;gap:10px;align-items:flex-start}.offer-card-item-icon{width:32px;height:32px;border-radius:10px;border:1px solid var(--border);background:#f4f7ff;display:flex;align-items:center;justify-content:center;color:var(--muted);font-weight:600}.offer-card-item-title{font-weight:600}.offer-card-item-code{font-size:.78rem;color:var(--muted)}.offer-card-item-meta{font-size:.85rem;color:var(--muted)}.offer-card-item-empty{padding:8px 0;color:var(--muted);font-style:italic}.assistant-card{border:1px solid var(--border);border-radius:16px;background:#f4f7ff;padding:16px;box-shadow:0 6px 14px #0f172a0f;font-size:.9rem;white-space:normal}.assistant-card p{margin:0 0 8px;font-weight:600;color:var(--ink)}.assistant-card ul{margin:0 0 12px 18px;padding:0;color:var(--muted)}.assistant-card li{margin-bottom:4px}.bubble-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}.bubble-action-btn{display:inline-flex;align-items:center;gap:6px;background:transparent;border:none;color:var(--muted);font-size:.78rem;padding:6px 10px;border-radius:999px;cursor:pointer;transition:color .2s,background .2s}.bubble-action-btn svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.7;fill:none}.bubble-action-btn:hover{color:var(--accent);background:#0c78f414}.bubble-action-btn[data-active=true]{color:var(--accent2);background:#0549cf1f}.bubble-action-btn[data-success=true]{color:var(--accent2)}.bubble.typing{display:flex;gap:6px;align-items:center;min-width:60px}.bubble.typing .dot1,.bubble.typing .dot2,.bubble.typing .dot3{width:7px;height:7px;border-radius:50%;background:var(--muted);opacity:.7;animation:b 1.4s infinite}.bubble.typing .dot2{animation-delay:.15s}.bubble.typing .dot3{animation-delay:.3s}@keyframes b{0%,80%,to{transform:translateY(0)}40%{transform:translateY(-4px)}}.bottom{border:1px solid var(--border);border-radius:var(--radius);padding:12px;background:var(--panel);box-shadow:0 12px 24px #0f172a0d}.composer{display:flex;gap:12px;align-items:flex-end}.composer textarea{flex:1;background:#f8fbff;color:var(--ink);border:1px solid var(--border);border-radius:16px;outline:none;resize:none;padding:12px 14px;max-height:160px;min-height:48px;font-family:inherit}.composer textarea::placeholder{color:var(--muted)}.composer button{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border:none;border-radius:14px;padding:12px 18px;font-weight:600;cursor:pointer;box-shadow:0 12px 20px #0c78f440;transition:transform .2s}.composer button:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}.composer button:not(:disabled):hover{transform:translateY(-1px)}:root{--danger:#ef4444}.login-screen{min-height:100%;display:flex;align-items:center;justify-content:center;padding:40px 16px;background:radial-gradient(circle at top,#f4f7ff,#e8ecf6)}.login-panel{width:100%;max-width:420px;background:var(--panel,#fff);border-radius:24px;padding:32px;border:1px solid var(--border,#e2e8f0);box-shadow:0 20px 40px #0f172a1f;text-align:center}.login-logo{width:72px;height:72px;border-radius:20px;border:1px solid var(--border,#e2e8f0);overflow:hidden;margin:0 auto 16px}.login-logo img{width:100%;height:100%;object-fit:cover}.login-panel h1{margin:0 0 8px}.login-panel p{margin:0 0 28px;color:var(--muted,#6b7280)}.login-form{display:flex;flex-direction:column;gap:18px;text-align:left}.login-form label{display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--muted,#6b7280)}.login-form input{border:1px solid var(--border,#e2e8f0);border-radius:14px;padding:12px 14px;font-size:1rem;outline:none;transition:border .2s,box-shadow .2s;background:#fdfdfd}.login-form input:focus{border-color:var(--accent,#0c78f4);box-shadow:0 0 0 3px #0c78f426}.login-error{padding:10px 14px;border-radius:12px;background:#ef44441f;color:#b91c1c;font-size:.9rem}.login-form button{border:none;border-radius:14px;padding:12px;font-size:1rem;font-weight:600;cursor:pointer;background:linear-gradient(135deg,var(--accent,#0c78f4),var(--accent2,#0549cf));color:#fff;box-shadow:0 14px 28px #0c78f440;transition:transform .2s,opacity .2s}.login-form button:disabled{opacity:.6;cursor:not-allowed;box-shadow:none}.login-form button:not(:disabled):hover{transform:translateY(-1px)}