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#e0e0e0;border-radius:4px;cursor:pointer}.brush-size-controls[data-v-3b2307b7]{display:flex;align-items:center;gap:8px}.brush-size-slider[data-v-3b2307b7]{width:120px;height:36px;padding:0 8px}.brush-size-input[data-v-3b2307b7]{width:60px;height:36px;padding:0 8px;text-align:center;border-radius:6px;border:1px solid #e0e0e0;font-size:14px}.brush-size-input[data-v-3b2307b7]:hover,.brush-size-input[data-v-3b2307b7]:focus{border-color:#999}.brush-size-slider[data-v-3b2307b7]{-webkit-appearance:none;background:transparent}.brush-size-slider[data-v-3b2307b7]::-webkit-slider-thumb{-webkit-appearance:none;height:16px;width:16px;border-radius:50%;background:#1890ff;cursor:pointer;margin-top:-6px}.brush-size-slider[data-v-3b2307b7]::-webkit-slider-runnable-track{width:100%;height:4px;background:#e0e0e0;border-radius:2px}.brush-size-slider[data-v-3b2307b7]:focus{outline:none}.history-buttons[data-v-3b2307b7]{display:flex;gap:8px}.history-btn[data-v-3b2307b7]{background-color:#f5f5f7;border:none;border-radius:8px;padding:8px 12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}.history-btn[data-v-3b2307b7]:hover{background-color:#e5e5e7}.history-btn[data-v-3b2307b7]:disabled{opacity:.5;cursor:not-allowed}.history-btn 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