.app{min-height:100vh;background:var(--bg-color)}.chat-window{display:flex;flex-direction:column}.chat-window.open{animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}:root{--bg-color: #0f0f1a;--panel-color: #1a1a2e;--border-color: #2d2d44;--text-color: #e4e4e7;--text-muted: #71717a;--accent-color: #667eea}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-color);color:var(--text-color);min-height:100vh}#root{min-height:100vh}