*{margin:0;padding:0;box-sizing:border-box}img{-webkit-user-drag:none;-khtml-user-drag:none;-moz-user-drag:none;-o-user-drag:none;user-drag:none}:root,[data-theme=dark]{--bg-deep:#060d17;--bg-mid:#0b1623;--bg-card:#0f1e30;--bg-card2:#132840;--border:#1a3350;--border2:#244060;--text:#e8f0f8;--text-dim:#6a8fad;--text-dimmer:#3a5a78;--green:#2dd87a;--green-dark:#1aad5c;--yellow:#ffd84d;--red:#ff4d4d;--purple:#b070e0;--silver:#b8c8d8;--silver-bright:#d8e4f0;--ufo-blue:#4ac8e8;--overlay-rgb:255,255,255;--shade-rgb:0,0,0}[data-theme=light]{--bg-deep:#f0f2f5;--bg-mid:#e8ecf0;--bg-card:#fff;--bg-card2:#f5f7fa;--border:#d0d8e0;--border2:#bcc6d0;--text:#1a1a2e;--text-dim:#556678;--text-dimmer:#8896a6;--green:#1aad5c;--green-dark:#158a48;--yellow:#b88a10;--red:#dc3030;--purple:#9050c0;--silver:#5a6a7a;--silver-bright:#3a4a5a;--ufo-blue:#2a9ec8;--overlay-rgb:0,0,0;--shade-rgb:255,255,255}body{background:var(--bg-deep);color:var(--text);font-family:Segoe UI,sans-serif;min-height:100vh;transition:background .2s,color .2s}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-mid)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border2)}@media (max-width:768px){.chat-float-btn,.feedback-float-btn,.scanner-status{bottom:76px!important}}