:root{color-scheme:light;--bg: #f5f2ea;--panel: #ffffff;--ink: #202124;--muted: #64676d;--line: #d8d2c4;--accent: #0b6b5c;--accent-strong: #084c42;--a: #1f5f9f;--b: #a7442c;--shadow: 0 22px 70px rgba(38, 35, 28, .12)}*{box-sizing:border-box}body{margin:0;overflow:hidden;min-height:100vh;background:linear-gradient(135deg,rgba(11,107,92,.12),transparent 35%),linear-gradient(315deg,rgba(167,68,44,.12),transparent 32%),var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea{font:inherit}.app{display:grid;grid-template-columns:minmax(320px,420px) minmax(0,1fr);gap:24px;height:100vh;min-height:0;padding:24px}.control-panel,.conversation-shell{min-height:0;background:#ffffffe0;border:1px solid rgba(216,210,196,.9);box-shadow:var(--shadow)}.control-panel{display:flex;flex-direction:column;gap:18px;overflow:auto;border-radius:8px;padding:22px}.brand h1,.conversation-header h2{margin:0;line-height:1}.brand h1{font-size:46px}.conversation-header h2{font-size:28px}.eyebrow{margin:0 0 8px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}.status-card{display:grid;grid-template-columns:12px 1fr;gap:12px;align-items:start;min-height:74px;border:1px solid var(--line);border-radius:8px;padding:14px;background:#faf9f5}.status-dot{width:12px;height:12px;margin-top:4px;border-radius:999px;background:#9da1a7}.status-card.ready .status-dot{background:#168a42}.status-card.busy .status-dot{background:#d18a00}.status-card.error .status-dot{background:#b3261e}.status-title{margin:0;font-weight:800}.status-detail{margin:4px 0 0;color:var(--muted);font-size:14px;line-height:1.45}.field{display:grid;gap:8px;color:var(--muted);font-size:13px;font-weight:700}.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);padding:11px 12px;outline:none}.field textarea{resize:vertical;line-height:1.5}.field input:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0b6b5c24}.agent-grid,.settings-grid,.actions{display:grid;gap:12px}.settings-grid{grid-template-columns:1fr 128px;align-items:end}.actions{grid-template-columns:1fr 1fr 1fr}button{min-height:44px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-weight:800;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{cursor:not-allowed;opacity:.48}button.primary{border-color:var(--accent);background:var(--accent);color:#fff}button.primary:hover:not(:disabled){background:var(--accent-strong)}.hint{margin:auto 0 0;border-top:1px solid var(--line);padding-top:16px;color:var(--muted);font-size:13px;line-height:1.5}.conversation-shell{display:grid;grid-template-rows:auto minmax(0,1fr);min-width:0;border-radius:8px;overflow:hidden}.conversation-header{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding:22px 24px}.turn-counter{white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:var(--muted);font-size:13px;font-weight:800}.conversation{display:flex;flex-direction:column;gap:14px;min-height:0;margin:0;padding:24px;overflow:auto;list-style:none}.message{width:min(760px,88%);border:1px solid var(--line);border-radius:8px;padding:14px 16px;background:#fff}.message.agent-b{align-self:flex-end}.message.agent-a{border-left:5px solid var(--a)}.message.agent-b{border-right:5px solid var(--b)}.message.system-message{align-self:center;width:min(620px,100%);border-style:dashed;background:#f7f6f1;color:var(--muted)}.message.system-message .message-meta{justify-content:center}.message.system-message .message-text{text-align:center}.message-meta{display:flex;justify-content:space-between;gap:12px;margin-bottom:8px;color:var(--muted);font-size:12px;font-weight:800}.message-text{margin:0;white-space:pre-wrap;line-height:1.65}@media(max-width:860px){.app{grid-template-columns:1fr;grid-template-rows:minmax(220px,46vh) minmax(0,1fr);padding:12px}.settings-grid,.actions{grid-template-columns:1fr}.message{width:100%}}