:root{--bg:#0a0a0a;--surface:#111111;--surface-raised:#1a1a1a;--surface-hover:#222222;--border:#2a2a2a;--border-soft:#1e1e1e;--text:#f0f0ee;--text-muted:#6b6b68;--text-soft:#3d3d3a;--accent:#d4570a;--accent-soft:rgba(212,87,10,0.12);--green:#2d9e5f;--green-soft:rgba(45,158,95,0.12);--shadow:0 8px 32px rgba(0,0,0,0.4);--chat-width:340px;--radius:10px}*{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer;background:none;border:none}a,button{-webkit-tap-highlight-color:transparent}h1,h2,h3{font-weight:600;line-height:1.25}.workspace-shell{display:grid;grid-template-columns:var(--chat-width) minmax(0,1fr);height:100vh}.chat-panel{display:grid;grid-template-rows:auto minmax(0,1fr) auto;border-right:1px solid var(--border);background:var(--surface);min-height:0}.chat-header{display:flex;align-items:center;gap:10px;padding:14px 16px 12px;border-bottom:1px solid var(--border-soft)}.chat-logo-mark{display:grid;width:28px;height:28px;flex:0 0 28px;place-items:center;border-radius:7px;background:var(--text);color:var(--bg);font-size:12px;font-weight:700}.chat-header-title{font-size:13.5px;font-weight:600;color:var(--text);flex:1 1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-header-status{font-size:11px;color:var(--text-muted);flex:0 0 auto}.chat-thread{display:flex;flex-direction:column;gap:1px;min-height:0;overflow-y:auto;padding:12px 0;scrollbar-width:thin;scrollbar-color:var(--border) transparent}.chat-bubble{padding:8px 16px;font-size:13.5px;line-height:1.55}.chat-bubble p{margin:0}.chat-bubble p+p{margin-top:3px}.chat-bubble.assistant{color:var(--text)}.chat-bubble.user{color:var(--text-muted);font-style:italic}.chat-bubble.system{display:flex;align-items:center;gap:7px;color:var(--green);font-size:12.5px;padding:6px 16px}.chat-bubble.status{color:var(--text-muted);font-size:12.5px;padding:6px 16px}.composer{border-top:1px solid var(--border-soft);padding:12px}.composer-box{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-raised);overflow:hidden}.composer-box:focus-within{border-color:#444}.composer textarea{display:block;width:100%;min-height:64px;max-height:180px;resize:none;border:none;outline:none;padding:12px 14px 6px;font-size:13.5px;line-height:1.5;background:transparent;color:var(--text)}.composer textarea::placeholder{color:var(--text-muted)}.composer-toolbar{display:flex;align-items:center;justify-content:space-between;padding:6px 10px 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.1s}.module-tab:hover{color:var(--text)}.module-tab.active{color:var(--text);border-bottom-color:var(--text)}.module-tab.locked{opacity:.35}.module-tab-dot{width:5px;height:5px;border-radius:50%;flex-shrink:0;background:transparent}.module-tab-dot.ready{background:var(--green)}.module-tab-dot.stale{background:var(--accent)}.module-tab-dot.generating{background:var(--text-muted);animation:pulse-dot 1.2s ease-in-out infinite}.module-tab-dot.error{background:#c44}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.3}}.module-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:80px 32px;color:var(--text-soft);font-size:13px}.module-placeholder.error{color:var(--text-muted)}.module-placeholder.error button{background:none;border:none;color:var(--accent);cursor:pointer;font-size:13px;text-decoration:underline}.module-view{display:flex;flex-direction:column;min-height:0;overflow:hidden;background:var(--bg)}.module-view-content{flex:1 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spin{to{transform:rotate(1turn)}}@media (max-width:900px){.workspace-shell{grid-template-columns:1fr;grid-template-rows:auto auto minmax(0,1fr);height:100vh}.mobile-switch{display:grid;grid-template-columns:1fr 1fr;grid-gap:6px;gap:6px;padding:8px;border-bottom:1px solid var(--border);background:var(--surface)}.mobile-switch button{height:34px;border:1px solid var(--border);border-radius:7px;font-size:13px;font-weight:600;color:var(--text-muted);background:var(--surface-raised)}.mobile-switch button.active{border-color:var(--text);color:var(--bg);background:var(--text)}.chat-panel,.module-view{display:none}.workspace-shell.show-chat .chat-panel{display:grid}.workspace-shell.show-canvas .module-view{display:flex}}