:root{--bg:#0b0d12;--panel:#14181f;--panel-2:#1b212b;--border:#2a323f;--text:#e7ecf3;--muted:#9aa7b8;--accent:#5b9dff;--accent-2:#3b82f6;--ok:#34d399;--warn:#fbbf24;--err:#f87171;--mono:ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--sans:system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);font-family:var(--sans);margin:0;padding:0;font-size:15px}a{color:var(--accent)}.app{flex-direction:column;height:100vh;display:flex}.topbar{border-bottom:1px solid var(--border);background:var(--panel);align-items:center;gap:12px;padding:12px 18px;display:flex}.topbar h1{margin:0;font-size:15px;font-weight:600}.badge{font-size:11px;font-family:var(--mono);border:1px solid var(--border);color:var(--muted);border-radius:999px;padding:3px 8px}.spacer{flex:1}.workspace{flex:1;min-height:0;display:flex}.col{flex-direction:column;min-height:0;display:flex}.col-chat{border-right:1px solid var(--border);flex:1}.col-preview{width:46%;min-width:360px}.start-wrap{flex:1;justify-content:center;align-items:center;padding:24px;display:flex}.start-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;width:100%;max-width:560px;padding:28px}.start-card h2{margin:0 0 6px;font-size:20px}.start-card p.sub{color:var(--muted);margin:0 0 22px}label{color:var(--muted);margin:16px 0 6px;font-size:13px;display:block}input[type=text],input[type=url],textarea{background:var(--panel-2);border:1px solid var(--border);width:100%;color:var(--text);resize:vertical;border-radius:9px;padding:11px 12px;font-family:inherit;font-size:14px}input:focus,textarea:focus{border-color:var(--accent-2);outline:none}button{cursor:pointer;font-family:inherit}.btn{background:var(--accent-2);color:#fff;border:none;border-radius:9px;padding:11px 18px;font-size:14px;font-weight:600}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{border:1px solid var(--border);color:var(--text);background:0 0;border-radius:8px;padding:7px 12px;font-size:13px}.btn-row{align-items:center;gap:10px;margin-top:24px;display:flex}.btn-danger{border-color:color-mix(in srgb, var(--err) 50%, var(--border));color:var(--err)}.btn-danger:hover:not(:disabled){background:color-mix(in srgb, var(--err) 14%, transparent)}.runs-wrap{flex:1;justify-content:center;padding:32px 24px;display:flex;overflow-y:auto}.runs-card{width:100%;max-width:820px}.runs-card h2{margin:0 0 16px;font-size:18px}.runs-empty{color:var(--muted)}.runs-list{flex-direction:column;gap:8px;display:flex}.run-row{border:1px solid var(--border);background:var(--panel);border-radius:10px}.run-row--deleting{opacity:.5;pointer-events:none}.run-head{align-items:center;gap:10px;padding:10px 12px;display:flex}.run-disclosure{color:var(--text);background:0 0;border:none;align-items:center;gap:8px;padding:0;font-size:14px;font-weight:600;display:flex}.run-caret{color:var(--muted);width:12px}.run-domain{font-family:var(--mono)}.badge--live{color:var(--ok);border-color:color-mix(in srgb, var(--ok) 50%, var(--border))}.run-date{color:var(--muted);font-size:12px}.run-detail{border-top:1px solid var(--border);grid-template-columns:max-content 1fr;gap:4px 16px;margin:0;padding:12px 16px 14px;font-size:13px;display:grid}.run-detail dt{color:var(--muted)}.run-detail dd{font-family:var(--mono);word-break:break-all;margin:0}.topbar a.btn-ghost{text-decoration:none}.messages{flex-direction:column;flex:1;gap:14px;padding:18px;display:flex;overflow-y:auto}.msg{max-width:100%}.msg .role{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:4px;font-size:11px}.msg.user .bubble{background:var(--panel-2);border:1px solid var(--border);white-space:pre-wrap;border-radius:10px;padding:10px 12px}.msg.assistant .text{white-space:pre-wrap;line-height:1.55}.tool{border:1px solid var(--border);background:var(--panel);border-radius:9px;margin:8px 0;overflow:hidden}.tool summary{cursor:pointer;font-family:var(--mono);align-items:center;gap:8px;padding:8px 11px;font-size:12.5px;list-style:none;display:flex}.tool summary::-webkit-details-marker{display:none}.tool .dot{background:var(--warn);border-radius:50%;width:7px;height:7px}.tool.done .dot{background:var(--ok)}.tool.error .dot{background:var(--err)}.tool pre{border-top:1px solid var(--border);font-family:var(--mono);white-space:pre-wrap;word-break:break-word;background:#0e1218;max-height:320px;margin:0;padding:10px 12px;font-size:12px;overflow:auto}.composer{border-top:1px solid var(--border);background:var(--panel);gap:10px;padding:12px;display:flex}.composer textarea{flex:1;min-height:44px;max-height:160px}.preview-head{border-bottom:1px solid var(--border);background:var(--panel);align-items:center;gap:10px;padding:10px 14px;display:flex}.preview-url{font-family:var(--mono);color:var(--muted);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:12px;overflow:hidden}.preview-frame{background:#fff;border:none;flex:1}.preview-empty{color:var(--muted);text-align:center;flex:1;justify-content:center;align-items:center;padding:24px;display:flex}.status-line{color:var(--muted);padding:6px 18px;font-size:12px}