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ease;white-space:nowrap;position:relative;overflow:hidden}.drawing-tool-btn:hover{background:var(--theme-input-bg);color:var(--theme-text);transform:translateY(-1px);box-shadow:0 2px 8px #00000026}.drawing-tool-btn.active{background:var(--theme-button-bg);color:var(--theme-button-text);border-color:var(--theme-button-bg);box-shadow:0 2px 4px #0003}.drawing-tool-btn.active:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.1) 50%,transparent 70%);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.tool-group{display:flex;flex-wrap:wrap;align-items:center;gap:2px;padding:4px 0;border-bottom:1px solid var(--theme-border);margin-bottom:4px}.tool-group:last-child{border-bottom:none;margin-bottom:0}.drawing-undo-btn,.drawing-redo-btn{background:var(--theme-button-inactive-bg);color:var(--theme-button-inactive-text);border:1px solid var(--theme-border);padding:6px 12px;margin:2px;border-radius:4px;cursor:pointer;font-size:12px;transition:all .2s ease;white-space:nowrap}.drawing-undo-btn:hover,.drawing-redo-btn:hover{background:var(--theme-input-bg);color:var(--theme-text);transform:translateY(-1px)}.drawing-undo-btn:disabled,.drawing-redo-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.drawing-clear-btn{background:#dc3545;color:#fff;border:1px solid #dc3545;padding:6px 12px;margin:2px;border-radius:4px;cursor:pointer;font-size:12px;transition:all .2s ease;white-space:nowrap}.drawing-clear-btn:hover{background:#c82333;border-color:#c82333;transform:translateY(-1px);box-shadow:0 2px 8px #dc26264d}@media (max-width: 768px){.drawing-tools-section{padding:8px;background:var(--theme-panel-background)}.controls-row{gap:4px;align-items:center}.drawing-tool-btn{padding:4px 8px;font-size:11px;color:var(--theme-text)}.section-header{font-size:12px;color:var(--theme-text);font-weight:600}}.ws-status-indicator{display:flex;align-items:center;gap:6px;padding:6px 12px;background:#0000001a;border-radius:20px;font-size:.85rem;margin-right:10px;transition:all .3s ease}.ws-dot{width:8px;height:8px;border-radius:50%;transition:all .3s ease}.ws-dot.connected{background:#2ecc71;box-shadow:0 0 8px #2ecc7199;animation:pulse 2s infinite}.ws-dot.connecting{background:#f39c12;animation:blink 1s infinite}.ws-dot.disconnected{background:#95a5a6}.ws-text{font-weight:500;color:var(--theme-text)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}