:root{--brand: #009b9b;--brand-hover: #007e7e;--brand-subtle: #e3f4f4;--canvas: #f9fafb;--surface: #ffffff;--surface-muted: #f9fafb;--outline: #e5e7eb;--outline-strong: #d1d5db;--ink: #111827;--ink-secondary: #374151;--ink-muted: #6b7280;--ink-subtle: #9ca3af;--ok: #15803d;--fail: #b91c1c;--radius: 8px;--shadow-xs: 0 1px 2px 0 rgb(0 0 0 / .04);--font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: "IBM Plex Mono", "SF Mono", Monaco, Consolas, "Liberation Mono", "Courier New", monospace}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--ink);background:var(--canvas);-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:16px;height:64px;padding:0 24px;background:var(--surface);border-bottom:1px solid var(--outline)}.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:var(--ink)}.brand .logo{width:28px;height:28px;border-radius:6px;display:block}.tag{color:var(--ink-muted);font-size:13px}.panes{flex:1;display:grid;grid-template-columns:minmax(340px,460px) 1fr;min-height:0}.chat{display:flex;flex-direction:column;min-height:0;border-right:1px solid var(--outline);background:var(--surface)}.stream{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:14px}.empty{margin:auto 0;text-align:center;color:var(--ink-muted)}.empty h1{color:var(--ink);font-size:28px;line-height:36px;font-weight:600;margin:0 0 6px;text-wrap:balance}.empty .sub{margin:0 0 20px;font-size:14px}.suggestion{border:1px solid var(--outline);background:var(--surface);color:var(--brand);border-radius:var(--radius);padding:10px 16px;font-size:14px;font-family:inherit;cursor:pointer;box-shadow:var(--shadow-xs);transition:border-color .15s,background .15s}.suggestion:hover{border-color:var(--brand);background:var(--surface-muted)}.msg{max-width:92%;padding:11px 14px;border-radius:var(--radius);line-height:1.5;font-size:14px;white-space:pre-wrap}.msg.user{align-self:flex-end;background:var(--brand);color:#fff;border-bottom-right-radius:2px}.msg.assistant{align-self:flex-start;background:var(--surface-muted);border:1px solid var(--outline);color:var(--ink);border-bottom-left-radius:2px}.activity{border:1px solid var(--outline);border-radius:var(--radius);padding:12px 14px;background:var(--surface-muted);box-shadow:var(--shadow-xs)}.activity-head{font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--ink-muted);margin-bottom:8px}.step{display:flex;align-items:center;gap:8px;font-size:12.5px;font-family:var(--mono);padding:3px 0;color:var(--ink-secondary)}.step .dot{width:7px;height:7px;border-radius:50%;flex:none;background:var(--ink-subtle)}.step.pending .dot{background:var(--brand);animation:pulse 1s ease-in-out infinite}.step.ok .dot{background:var(--ok)}.step.fail .dot{background:var(--fail)}.step-name{font-weight:500;color:var(--ink)}.step-summary{color:var(--ink-muted)}@keyframes pulse{50%{opacity:.3}}.error{color:var(--fail);background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);padding:10px 14px;font-size:14px}.composer{display:flex;gap:10px;padding:16px;border-top:1px solid var(--outline);background:var(--surface)}.composer input{flex:1;border:1px solid var(--outline-strong);border-radius:var(--radius);padding:11px 14px;font-size:14px;font-family:inherit;color:var(--ink);outline:none}.composer input::placeholder{color:var(--ink-subtle)}.composer input:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-subtle)}.composer button{border:none;background:var(--brand);color:#fff;border-radius:var(--radius);padding:0 20px;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .15s}.composer button:hover:not(:disabled){background:var(--brand-hover)}.composer button:disabled{background:var(--ink-subtle);cursor:default}.artifact{min-height:0;background:var(--canvas)}.artifact iframe{width:100%;height:100%;border:0;background:#fff}.artifact-empty{height:100%;display:grid;place-items:center;color:var(--ink-muted)}.artifact-empty-inner{text-align:center}.artifact-empty .ico{font-size:40px;color:var(--outline-strong);margin-bottom:4px}.gate{height:100%;display:grid;place-items:center;background:var(--canvas)}.gate-inner{text-align:center;background:var(--surface);border:1px solid var(--outline);border-radius:var(--radius);padding:40px 48px;box-shadow:var(--shadow-xs)}.gate-logo{width:56px;height:56px;border-radius:12px}.gate-inner h1{margin:16px 0 4px;font-size:24px;color:var(--ink)}.gate-sub{margin:0 0 24px;color:var(--ink-muted);font-size:14px}.gate-btn{border:none;background:var(--brand);color:#fff;border-radius:var(--radius);padding:11px 28px;font-size:15px;font-weight:600;font-family:inherit;cursor:pointer}.gate-btn:hover{background:var(--brand-hover)}.userchip{margin-left:auto;display:flex;align-items:center;gap:12px}.useremail{color:var(--ink-muted);font-size:13px}.signout{border:1px solid var(--outline-strong);background:var(--surface);color:var(--ink-secondary);border-radius:999px;padding:6px 14px;font-size:13px;font-family:inherit;cursor:pointer}.signout:hover{border-color:var(--brand);color:var(--brand)}@media (max-width: 820px){.panes{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.chat{border-right:none;border-bottom:1px solid var(--outline)}}