:root{--ink:#152037;--muted:#68738a;--canvas:#f4f5f8;--panel:#ffffff;--line:#e1e5eb;--navy:#102b70;--navy-deep:#081a49;--violet:#6849d8;--violet-soft:#f0edff;--green:#158a58;--green-soft:#e9f8f0;--orange:#be6813;--orange-soft:#fff3e5;--red:#bb3d48;--red-soft:#fcecef;--shadow:0 18px 45px rgba(22,36,73,0.08)}*{box-sizing:border-box}body,html{min-height:100%}body{margin:0;background:var(--canvas);color:var(--ink);font-family:IBM Plex Sans Thai,Noto Sans Thai,ui-sans-serif,system-ui,-apple-system,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.shell{min-height:100vh;padding:24px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:1500px;margin:0 auto 18px;color:white;background:linear-gradient(118deg,var(--navy-deep),var(--navy) 58%,#344f9e);border-radius:22px;padding:21px 24px;box-shadow:var(--shadow)}.eyebrow{margin:0 0 5px;color:#bdcaff;font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.topbar h1{margin:0;font-size:clamp(22px,3vw,30px);letter-spacing:-.04em}.topbar h1 span{color:#cfc4ff}.topbar-copy{max-width:430px;margin:6px 0 0;color:#dbe3ff;font-size:13px;line-height:1.55}.spark-chip{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#fff;background:rgba(255,255,255,.1);font-size:12px;font-weight:700;white-space:nowrap}.spark-dot{width:8px;height:8px;border-radius:50%;background:#80f0bd;box-shadow:0 0 0 4px rgba(128,240,189,.16)}.workbench{display:grid;grid-template-columns:260px minmax(0,1fr) 280px;grid-gap:18px;gap:18px;max-width:1500px;margin:0 auto}.panel{background:var(--panel);border:1px solid var(--line);border-radius:20px;box-shadow:0 5px 18px rgba(23,32,56,.035)}.side{padding:17px}.section-label{display:block;margin:0 0 10px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.persona-list{display:grid;grid-gap:8px;gap:8px}.persona{width:100%;padding:11px;border:1px solid var(--line);border-radius:13px;color:var(--ink);background:white;text-align:left;transition:.18s ease}.persona:hover{border-color:#b7abef;background:#fbfaff}.persona.active{border-color:var(--violet);color:#3c2893;background:var(--violet-soft);box-shadow:inset 0 0 0 1px var(--violet)}.persona-name{display:block;font-size:13px;font-weight:800}.persona-desc{display:block;margin-top:3px;color:var(--muted);font-size:11px;line-height:1.45}.persona.active .persona-desc{color:#5e5591}.agent-actions{display:grid;grid-gap:8px;gap:8px;margin-top:17px}.button{border:0;border-radius:12px;padding:10px 12px;font-size:13px;font-weight:800;transition:opacity .18s,transform .18s}.button:hover:not(:disabled){transform:translateY(-1px)}.button:disabled{opacity:.45}.button-primary{color:white;background:var(--violet)}.button-quiet{color:#4f5b71;background:#f3f5f8}.divider{height:1px;margin:17px 0;background:var(--line)}.connection{display:grid;grid-gap:8px;gap:8px}.connection-row{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:12px}.status{display:inline-flex;align-items:center;gap:6px;padding:4px 7px;border-radius:999px;font-size:11px;font-weight:800}.status.ok{color:var(--green);background:var(--green-soft)}.status.waiting{color:var(--orange);background:var(--orange-soft)}.status.error{color:var(--red);background:var(--red-soft)}.status-dot{width:6px;height:6px;border-radius:50%;background:currentColor}.connection-path{overflow-wrap:anywhere;color:#536078;font-size:11px;line-height:1.5}.chat{display:flex;min-height:680px;flex-direction:column;overflow:hidden}.chat-head{justify-content:space-between;gap:12px;padding:16px 19px;border-bottom:1px solid var(--line)}.chat-head,.chat-title{display:flex;align-items:center}.chat-title{gap:11px}.avatar{display:grid;width:36px;height:36px;place-items:center;border-radius:12px;color:white;background:linear-gradient(135deg,var(--violet),#ac8eff);font-size:14px;font-weight:900}.chat-title strong{display:block;font-size:14px}.chat-title span{display:block;margin-top:1px;color:var(--muted);font-size:11px}.thread-status{color:#58735e;font-size:11px;font-weight:700}.thread{display:flex;min-height:0;flex:1 1;flex-direction:column;gap:12px;padding:19px;overflow-y:auto;background:linear-gradient(180deg,#fbfbfd,#f5f6f9)}.empty{display:grid;min-height:280px;place-items:center;text-align:center;color:var(--muted)}.empty-mark{margin-bottom:10px;color:#6a54c7;font-size:34px}.empty p{max-width:290px;margin:0;font-size:13px;line-height:1.65}.message{display:flex;align-items:flex-end;gap:7px;max-width:84%}.message.customer{align-self:flex-end;flex-direction:row-reverse}.message.agent{align-self:flex-start}.message-meta{color:var(--muted);font-size:10px;white-space:nowrap}.bubble{padding:10px 12px;border:1px solid var(--line);border-radius:14px 14px 14px 4px;background:white;font-size:13px;line-height:1.55;white-space:pre-wrap}.customer .bubble{border-color:#cfc7f5;border-radius:14px 14px 4px 14px;background:#edeaff}.bubble.failed{border-color:#efb8bf;background:var(--red-soft)}.delivery{margin-top:4px;color:var(--red);font-size:10px}.composer{display:flex;gap:9px;padding:14px;border-top:1px solid var(--line);background:white}.composer input{min-width:0;flex:1 1;border:1px solid #ccd2dc;border-radius:12px;padding:10px 12px;color:var(--ink);outline:none;font-size:13px}.composer input:focus{border-color:var(--violet);box-shadow:0 0 0 3px #edeaff}.composer button{min-width:76px;border:0;border-radius:12px;padding:10px 13px;color:white;background:var(--navy);font-size:13px;font-weight:800}.composer button:disabled{opacity:.5}.form-error{margin:-4px 14px 10px;color:var(--red);font-size:11px}.log{display:grid;grid-gap:7px;gap:7px;max-height:250px;overflow-y:auto}.log-line{border-left:2px solid #d8ddeb;padding-left:9px;color:#536078;font-size:11px;line-height:1.45}.log-line.action{border-color:var(--violet);color:#443583}.log-line.error{border-color:var(--red);color:var(--red)}.log-time{margin-right:5px;color:#9ca6b6;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.verdict{margin-top:12px;border-radius:13px;padding:11px;background:var(--green-soft);color:#17613f;font-size:12px;line-height:1.55}.verdict strong{display:block;margin-bottom:3px}.guide{color:var(--muted);font-size:11px;line-height:1.65}.guide code{display:inline-block;margin-top:5px;overflow-wrap:anywhere;color:#44516a;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px}@media (max-width:1080px){.workbench{grid-template-columns:230px minmax(0,1fr)}.right{grid-column:1/-1}}@media (max-width:720px){.shell{padding:12px}.topbar{align-items:flex-start;flex-direction:column;padding:18px}.workbench{grid-template-columns:1fr;gap:12px}.right{grid-column:auto}.chat{min-height:560px}.side{padding:14px}.message{max-width:92%}}