.bac-overlay[data-v-972dfc39]{position:fixed;inset:0;z-index:9999;background:#000000f2;display:flex;flex-direction:column}.bac-header[data-v-972dfc39]{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#0009;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:20}.bac-header h3[data-v-972dfc39]{margin:0;color:#fff;font-size:16px}.bac-tools[data-v-972dfc39]{gap:8px}.bac-tool-btn[data-v-972dfc39],.bac-tools[data-v-972dfc39]{display:flex;align-items:center}.bac-tool-btn[data-v-972dfc39]{justify-content:center;min-width:32px;height:32px;padding:0 8px;border-radius:8px;border:1px solid var(--border-hover);background:var(--border);color:var(--text-secondary);cursor:pointer;transition:all .2s;font-size:12px;gap:4px}.bac-tool-btn[data-v-972dfc39]:hover{background:var(--border-hover);color:#fff}.bac-tool-btn.accent[data-v-972dfc39]{border-color:var(--accent-glow);color:var(--accent)}.bac-tool-btn.accent[data-v-972dfc39],.bac-tool-btn.accent[data-v-972dfc39]:hover{background:var(--accent-glow)}.bac-zoom-label[data-v-972dfc39]{color:var(--border-hover);font-size:12px;min-width:40px;text-align:center;font-variant-numeric:tabular-nums}.bac-body[data-v-972dfc39]{flex:1;position:relative;overflow:hidden;touch-action:none}.bac-img-wrap[data-v-972dfc39]{position:absolute;top:50%;left:50%;transform-origin:center center;line-height:0}.bac-img[data-v-972dfc39]{display:block;max-width:90vw;max-height:calc(100vh - 60px);-o-object-fit:contain;object-fit:contain;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-user-drag:none}.bac-before[data-v-972dfc39]{left:0;width:100%}.bac-before[data-v-972dfc39],.bac-slider[data-v-972dfc39]{position:absolute;top:0;height:100%}.bac-slider[data-v-972dfc39]{transform:translate(-50%);z-index:10;cursor:move;touch-action:none}.bac-line[data-v-972dfc39]{width:2px;height:100%;background:#fff;box-shadow:0 0 12px #0009}.bac-handle[data-v-972dfc39]{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--text-primary);box-shadow:0 2px 14px #00000080;gap:4px;cursor:move}.bac-handle span[data-v-972dfc39]{font-size:16px;font-weight:700;color:#333;-webkit-user-select:none;-moz-user-select:none;user-select:none;pointer-events:none}.bac-label[data-v-972dfc39]{position:absolute;bottom:20px;padding:6px 16px;border-radius:999px;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--text-secondary);font-size:14px;pointer-events:none;z-index:5}.bac-label-before[data-v-972dfc39]{left:20px}.bac-label-after[data-v-972dfc39]{right:20px}