.tool-main{flex-direction:column;flex:1;width:100%;max-width:100%;padding:0;display:flex;overflow:hidden}.tool-header{border-bottom:1px solid var(--color-border);background-color:var(--color-surface-raised);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:flex-start;gap:1.5rem;padding:1.5rem 2rem;display:flex}.tool-header__title{flex-direction:column;gap:.25rem;display:flex}.tool-title{color:var(--color-text-title);margin:0;font-size:1.3rem;font-weight:700}.tool-subtitle{color:var(--color-text-muted);margin:0;font-size:.85rem}.bgr-body{flex-direction:column;flex:1;min-height:0;display:flex;overflow:hidden}.bgr-drop-zone{background-color:var(--color-surface-deep);cursor:pointer;outline:none;flex:1;justify-content:center;align-items:center;min-height:300px;transition:background-color .15s,box-shadow .15s;display:flex;position:relative}.bgr-drop-zone:focus-visible{box-shadow:inset 0 0 0 2px var(--color-accent)}.bgr-drop-zone.is-dragover{background-color:var(--color-accent-bg);box-shadow:inset 0 0 0 2px var(--color-accent)}.bgr-drop-zone.is-error{box-shadow:inset 0 0 0 2px var(--color-danger)}.bgr-drop-zone__inner{pointer-events:none;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:2.5rem 2rem;display:flex}.bgr-drop-zone__icon{opacity:.35;font-size:2.6rem;line-height:1}.bgr-drop-zone__title{color:var(--color-text-faint);letter-spacing:.02em;font-size:1rem;font-weight:600}.bgr-drop-zone__hint{color:var(--color-text-ghost);font-size:.8rem}.bgr-drop-zone__hint--model{color:var(--color-text-muted);margin-top:.25rem;font-style:italic}.bgr-drop-zone__hint--model.is-ready{color:var(--color-success);justify-content:center;align-items:center;gap:.3rem;font-style:normal;display:flex}.bgr-drop-zone__file-input{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.bgr-result{flex:1;grid-template-columns:1fr 4px 1fr;min-height:0;display:grid;overflow:hidden}.bgr-pane{flex-direction:column;min-height:0;display:flex;overflow:hidden}.bgr-pane__label{letter-spacing:.06em;text-transform:uppercase;color:var(--color-text-muted);border-bottom:1px solid var(--color-border);background-color:var(--color-surface-raised);flex-shrink:0;padding:.5rem 1rem;font-size:.75rem;font-weight:600}.bgr-pane__img-wrap{flex:1;justify-content:center;align-items:center;min-height:0;padding:1.5rem;display:flex;position:relative;overflow:auto}.bgr-pane__img-wrap--checker{background-color:var(--color-checker-a);background-image:linear-gradient(45deg, var(--color-checker-b) 25%, transparent 25%), linear-gradient(-45deg, var(--color-checker-b) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--color-checker-b) 75%), linear-gradient(-45deg, transparent 75%, var(--color-checker-b) 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-size:20px 20px}.bgr-pane__img{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:100%;box-shadow:var(--shadow-canvas);display:block}.bgr-divider{background-color:var(--color-border);flex-shrink:0;width:4px}.bgr-run-prompt{text-align:center;pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:.75rem;padding:2rem;display:flex}.bgr-run-prompt__icon{opacity:.25;font-size:2.2rem}.bgr-run-prompt__text{color:var(--color-text-muted);font-size:.875rem;line-height:1.5}.bgr-run-prompt__text strong{color:var(--color-text-secondary);font-weight:600}.bgr-processing{text-align:center;pointer-events:none;flex-direction:column;justify-content:center;align-items:center;gap:1rem;padding:2rem;display:flex}.bgr-processing #bgr-cancel-btn{pointer-events:auto;margin-top:.25rem}.bgr-spinner{border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;flex-shrink:0;width:2rem;height:2rem;animation:.75s linear infinite bgr-spin}@keyframes bgr-spin{to{transform:rotate(360deg)}}.bgr-processing__stage{color:var(--color-text-primary);font-size:.9rem;font-weight:600}.bgr-processing__sub{color:var(--color-text-muted);font-variant-numeric:tabular-nums;word-break:break-all;max-width:28ch;min-height:1.2em;font-size:.78rem}.bgr-progress-wrap{background-color:var(--color-surface-deep);border:1px solid var(--color-border);border-radius:4px;width:100%;max-width:260px;height:6px;overflow:hidden}.bgr-progress-bar{background-color:var(--color-accent);border-radius:4px;width:0%;height:100%;transition:width .2s}.bgr-action-bar{border-top:1px solid var(--color-border);background-color:var(--color-surface-raised);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:1rem;padding:.75rem 1.5rem;display:flex}.bgr-file-info{flex-wrap:wrap;align-items:center;gap:.75rem;min-width:0;display:flex}.bgr-file-info__name{color:var(--color-text-primary);word-break:break-all;min-width:0;font-size:.85rem;font-weight:600}.bgr-file-info__size,.bgr-file-info__dims{color:var(--color-text-muted);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:.78rem}.bgr-action-bar__btns{flex-shrink:0;align-items:center;gap:.6rem;display:flex}.bgr-error-bar{background-color:var(--color-danger-bg);border:1px solid var(--color-danger-border);color:var(--color-danger);border-radius:6px;flex-shrink:0;margin:.75rem 1.5rem;padding:.65rem .9rem;font-size:.82rem;line-height:1.5}.bgr-warm-status{color:var(--color-text-muted);flex-basis:100%;padding:.1rem 0;font-size:.78rem;display:none}.bgr-warn-bar{background-color:var(--color-warning-bg);border:1px solid var(--color-warning-border);color:var(--color-warning);border-radius:6px;flex-shrink:0;margin:.75rem 1.5rem;padding:.65rem .9rem;font-size:.82rem;line-height:1.5}@media (width<=860px){.bgr-result{grid-template-rows:1fr 4px 1fr;grid-template-columns:1fr}.bgr-divider{width:100%;height:4px}.bgr-pane__img-wrap{min-height:180px;max-height:260px}}@media (width<=600px){.tool-header{flex-direction:column;gap:.75rem;padding:1rem}.bgr-action-bar{flex-direction:column;align-items:flex-start;gap:.75rem}.bgr-action-bar__btns{flex-wrap:wrap;width:100%}}