:root{--bg-app: #161616;--bg-panel-header: #2b2b2b;--bg-canvas: #0f0f0f;--bg-chat: #0a1520;--bg-chat-input: #162030;--border: #2a3a4a;--border-soft: #444;--text-main: #dcdcdc;--text-dim: #aaa;--text-faint: #555;--accent: #0d7e5e;--accent-hover: #0fa872;--accent-soft: #1a3028;--user-color: #7ec8e3;--assistant-color: #7cba8a;--warn-color: #e8a838;--btn-bg: #3c3c3c;--btn-bg-hover: #555}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg-app);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}button{font-family:inherit;cursor:pointer}button:disabled{cursor:default}input,select{font-family:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-app)}::-webkit-scrollbar-thumb{background:var(--border-soft);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--btn-bg-hover)}