:root{--font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--bg: #f7f7f8;--bg-elev: #ffffff;--bg-elev-2: #f1f1f3;--bg-hover: #ececef;--text: #18181b;--text-muted: #6b7280;--border: #e6e6ea;--border-strong: #d6d6db;--accent: #5e6ad2;--accent-hover: #4f5ac4;--accent-contrast: #ffffff;--danger: #dc2626;--user-bubble: #5e6ad2;--user-bubble-text: #ffffff;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 6px 18px rgba(0, 0, 0, .12);--shadow-lg: 0 14px 44px rgba(0, 0, 0, .18);--radius: 8px;--radius-lg: 12px;color-scheme:light}[data-theme=dark]{--bg: #0b0b0d;--bg-elev: #161618;--bg-elev-2: #1d1d21;--bg-hover: #25252b;--text: #ededee;--text-muted: #9b9ba6;--border: #2a2a30;--border-strong: #3a3a43;--accent: #6e79e0;--accent-hover: #828cec;--accent-contrast: #ffffff;--danger: #f87171;--user-bubble: #5e6ad2;--user-bubble-text: #ffffff;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 6px 18px rgba(0, 0, 0, .5);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .6);color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font-sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"cv02","cv03","cv04","cv11","ss01";letter-spacing:-.011em}button,input,select,textarea{font-family:inherit;font-size:100%;color:var(--text)}input,select,textarea{background:var(--bg-elev)}::placeholder{color:var(--text-muted);opacity:1}.react-grid-item.react-grid-placeholder{background:var(--accent)!important;opacity:.18!important;border-radius:var(--radius)}.menu-item:hover:not(:disabled){background:var(--bg-hover)}.typing-dots{display:inline-flex;gap:4px;align-items:center}.typing-dots span{width:6px;height:6px;border-radius:50%;background:var(--text-muted);animation:ccd-bounce 1.2s infinite ease-in-out both}.typing-dots span:nth-child(2){animation-delay:.15s}.typing-dots span:nth-child(3){animation-delay:.3s}.skeleton{background-color:var(--bg-hover);background-image:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);background-size:200% 100%;background-repeat:no-repeat;animation:ccd-shimmer 1.3s infinite}[data-theme=dark] .skeleton{background-image:linear-gradient(90deg,transparent,rgba(255,255,255,.08),transparent)}@keyframes ccd-bounce{0%,80%,to{transform:translateY(0);opacity:.45}40%{transform:translateY(-5px);opacity:1}}@keyframes ccd-shimmer{0%{background-position:-150% 0}to{background-position:250% 0}}@media (prefers-reduced-motion: reduce){.typing-dots span,.skeleton{animation:none}}