:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--border: #e2e8f0;--accent: #3b82f6;--accent-hover: #2563eb;--sidebar-width: 280px}.dark{--bg-primary: #0a0a0a;--bg-secondary: #111111;--bg-tertiary: #1a1a1a;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--border: #222222;--accent: #3b82f6;--accent-hover: #60a5fa}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Plus Jakarta Sans,sans-serif;background:var(--bg-primary);color:var(--text-primary);overflow:hidden;height:100vh}#root{height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.message-content h1,.message-content h2,.message-content h3{margin:8px 0 4px}.message-content p{margin:4px 0}.message-content ul,.message-content ol{padding-left:20px;margin:4px 0}.message-content code{background:var(--bg-tertiary);padding:2px 6px;border-radius:4px;font-size:.9em}.message-content pre{background:var(--bg-tertiary);padding:12px;border-radius:8px;overflow-x:auto;margin:8px 0}.message-content pre code{background:none;padding:0}