:root{--bg:#0f1216;--panel:#171b21;--panel2:#1e242c;--line:#2b333d;--tx:#e7ecf2;--mut:#9aa7b4;--accent:#4a90e2;--accent2:#e6a23c;--tag:#243040;--tagtx:#bcd3ee;--ok:#2f7d4f;--code:#0b0e12;--hi:#3a2f14;--hitx:#f0d9a8}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--tx);font:15px/1.55 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}button,input,select,textarea{font-family:inherit;font-size:14px}header.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;background:var(--panel);border-bottom:1px solid var(--line);padding:12px 22px;position:sticky;top:0;z-index:20}header.topbar .brand{font-weight:700;font-size:15px}header.topbar .brand small{display:block;color:var(--mut);font-weight:400;font-size:12px}header.topbar .title{text-align:center;font-size:16px;font-weight:600;color:#cfe0f2}header.topbar .right{text-align:right;display:flex;gap:8px;justify-content:flex-end;align-items:center}main{max-width:1180px;margin:0 auto;padding:22px 22px 90px}h2{font-size:21px;margin:0 0 14px;padding-bottom:8px;border-bottom:2px solid var(--line)}h3{font-size:16px;margin:20px 0 8px;color:#cfe0f2}p{margin:8px 0}.mut{color:var(--mut)}.small{font-size:13px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spread{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin:12px 0}.card.step{border-left:4px solid var(--accent)}.card.step.n8n{border-left:4px solid var(--accent2)}.btn{background:var(--panel2);color:var(--tx);border:1px solid var(--line);border-radius:8px;padding:7px 14px;cursor:pointer}.btn:hover:not(:disabled){border-color:var(--accent);color:#fff}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}.btn.primary:hover:not(:disabled){filter:brightness(1.1)}.btn.danger{border-color:#6b3535;color:#f0b3b3}.btn.danger:hover:not(:disabled){background:#3a1f1f;border-color:#8a4444}.btn.sm{padding:4px 10px;font-size:13px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:0 0 18px;flex-wrap:wrap}.tabs button{background:none;border:none;border-bottom:2px solid transparent;color:var(--mut);padding:9px 14px;cursor:pointer;font-size:14px}.tabs button:hover{color:var(--tx)}.tabs button.on{color:#fff;border-bottom-color:var(--accent);font-weight:600}table{width:100%;border-collapse:collapse;margin:10px 0}th,td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top;font-size:14px}th{background:var(--panel2);color:#cfe0f2;font-weight:600}tbody tr:hover{background:#151a20}.tag{display:inline-block;background:var(--tag);color:var(--tagtx);border:1px solid var(--line);border-radius:6px;padding:1px 9px;font-size:12px;font-weight:700;white-space:nowrap}.tag.ok{background:#173226;color:#8fe0b0;border-color:#245c40}.tag.err{background:#3a1f1f;color:#f0b3b3;border-color:#6b3535}.tag.warn{background:#3a2f14;color:#f0d9a8;border-color:#6b5320}.tag.off{background:#22272e;color:#93a1ae;border-color:#39424d}label.field{display:block;margin:12px 0 0}label.field>span{display:block;font-size:13px;color:var(--mut);margin-bottom:4px}label.field>span b{color:var(--tx);font-weight:600}input[type=text],input[type=password],input[type=number],textarea,select{width:100%;background:var(--code);color:var(--tx);border:1px solid var(--line);border-radius:8px;padding:8px 11px}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent)}textarea{min-height:74px;resize:vertical;font-family:inherit}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:0 16px}@media(max-width:760px){.grid2,.grid3{grid-template-columns:1fr}}.check{display:flex;align-items:center;gap:9px;margin:14px 0 0;cursor:pointer}.check input{width:17px;height:17px;accent-color:var(--accent);flex:0 0 auto}.callout{border:1px solid var(--line);border-left:4px solid var(--accent2);background:var(--hi);color:var(--hitx);border-radius:10px;padding:11px 15px;margin:12px 0;font-size:14px}.callout .lbl{display:block;font-weight:700;font-size:12px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:3px}.callout.info{border-left-color:var(--accent);background:#16222f;color:#c9dcf0}code,.mono{font-family:Cascadia Code,Consolas,monospace;font-size:13px}code{background:var(--code);border:1px solid var(--line);border-radius:5px;padding:1px 6px}.opts{margin-top:10px;border-top:1px dashed var(--line);padding-top:10px}.opt{display:grid;grid-template-columns:1fr 24px 1fr auto;gap:8px;align-items:center;margin:6px 0}.opt .arrow{text-align:center;color:var(--mut)}@media(max-width:700px){.opt{grid-template-columns:1fr;gap:5px}.opt .arrow{text-align:left}}.chat{background:var(--code);border:1px solid var(--line);border-radius:12px;padding:14px;min-height:260px;max-height:460px;overflow:auto;display:flex;flex-direction:column}.bubble{margin:9px 0;display:flex;flex-direction:column;max-width:78%}.bubble .who{font-size:11px;color:var(--mut);margin-bottom:3px;font-weight:700;letter-spacing:.04em}.bubble .txt{padding:9px 13px;border-radius:12px;white-space:pre-wrap;line-height:1.5}.bubble.cliente{align-self:flex-end;align-items:flex-end}.bubble.cliente .txt{background:#22384f;border:1px solid #2d4a67;border-bottom-right-radius:3px}.bubble.bot{align-self:flex-start}.bubble.bot .txt{background:var(--panel2);border:1px solid var(--line);border-bottom-left-radius:3px}.bubble.sistema{align-self:center;align-items:center;max-width:92%}.bubble.sistema .txt{background:var(--hi);border:1px solid #6b5320;color:var(--hitx);font-size:13px;font-style:italic}.bubble .meta{font-size:11px;color:var(--mut);margin-top:3px}.empty{text-align:center;color:var(--mut);padding:34px 10px}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--panel2);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:9px;padding:11px 18px;box-shadow:0 8px 26px #0009;z-index:60;max-width:88vw}.toast.err{border-left-color:#8a4444}.toast .lbl{font-weight:700;font-size:12px;letter-spacing:.05em;text-transform:uppercase;display:block;color:var(--mut)}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px 28px;width:100%;max-width:390px}.login-box h1{font-size:19px;margin:0 0 4px}.login-box .sub{color:var(--mut);font-size:13px;margin-bottom:18px}.code-box{background:var(--code);border:1px solid var(--line);border-radius:8px;padding:10px 13px;margin:10px 0;overflow-x:auto;white-space:nowrap;font-size:13px;color:#cfe0f2}