*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0a0a0a;--surface:#141414;--border:#2a2a2a;--text:#e8e8e8;--muted:#666;--accent:#4a9eff}html,body{background:var(--bg);height:100%;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button{cursor:pointer;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:4px;padding:6px 14px;font-size:13px;transition:border-color .15s}button:hover{border-color:var(--muted)}button:disabled{opacity:.4;cursor:not-allowed}input,textarea{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:4px;outline:none;width:100%;padding:6px 10px;font-size:13px}input:focus,textarea:focus{border-color:var(--accent)}[data-lk-theme],.lk-grid-layout{background:0 0!important}.viewer-layout{flex-direction:row;height:100vh;display:flex;overflow:hidden}.viewer-video{background:#000;flex:1;min-height:0;position:relative}.viewer-chat{border-left:1px solid var(--border);background:var(--bg);flex-direction:column;flex-shrink:0;width:280px;display:flex;overflow:hidden}@media (max-width:640px){.viewer-layout{flex-direction:column}.viewer-video{flex:0 0 40vh;width:100%}.viewer-chat{border-left:none;border-top:1px solid var(--border);flex:1;width:100%}}