:root[data-theme=light]{--bg-canvas:#f8fafc;--bg-surface:#fff;--bg-elevated:#f1f5f9;--border:#e2e8f0;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--primary:#0d9488;--primary-hover:#0f766e;--primary-soft:#f0fdfa;--primary-on:#fff;--secondary:#0891b2;--accent:#f97316;--bubble-me:#0d9488;--bubble-me-text:#fff;--bubble-other:#fff;--bubble-other-text:#0f172a;--bubble-ai-bg:#f0fdfa;--bubble-ai-border:#99f6e4;--bubble-ai-text:#134e4a}:root[data-theme=dark]{--bg-canvas:#0b1220;--bg-surface:#111827;--bg-elevated:#1e293b;--border:#1e293b;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--text-muted:#818ea3;--primary:#14b8a6;--primary-hover:#0d9488;--primary-soft:#134e4a;--primary-on:#fff;--secondary:#22d3ee;--accent:#fb923c;--bubble-me:#0d9488;--bubble-me-text:#fff;--bubble-other:#1e293b;--bubble-other-text:#f1f5f9;--bubble-ai-bg:#134e4a;--bubble-ai-border:#0d9488;--bubble-ai-text:#ccfbf1}html,body,#root{background-color:var(--bg-canvas);width:100vw;height:100vh;color:var(--text-primary);margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif;overflow:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes pulse-soft{0%,to{opacity:.5}50%{opacity:1}}.copilot-loading{color:var(--primary);font-size:13px;animation:1.2s infinite pulse-soft}@keyframes fadeIn{0%{opacity:0;transform:translateY(2px)}to{opacity:1;transform:translateY(0)}}