.tool-main{flex:1;display:flex;flex-direction:column;width:100%;max-width:100%;padding:0;overflow:hidden}.tool-header{display:flex;align-items:flex-start;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;padding:1.5rem 2rem;border-bottom:1px solid var(--color-border);background-color:var(--color-surface-raised);flex-shrink:0}.tool-header__title{display:flex;flex-direction:column;gap:.25rem}.tool-title{font-size:1.3rem;font-weight:700;color:var(--color-text-title)}.tool-subtitle{font-size:.85rem;color:var(--color-text-muted)}.bgr-header-actions{display:flex;align-items:center;gap:.6rem;flex-shrink:0}.bgr-body{flex:1;display:flex;flex-direction:column;overflow:hidden;min-height:0}.bgr-drop-zone{flex:1;display:flex;align-items:center;justify-content:center;min-height:300px;background-color:var(--color-surface-deep);cursor:pointer;transition:background-color .15s ease,box-shadow .15s ease;position:relative;outline:none}.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{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem;padding:2.5rem 2rem;pointer-events:none;text-align:center}.bgr-drop-zone__icon{font-size:2.6rem;line-height:1;opacity:.35}.bgr-drop-zone__title{font-size:1rem;font-weight:600;color:var(--color-text-faint);letter-spacing:.02em}.bgr-drop-zone__hint{font-size:.8rem;color:var(--color-text-ghost)}.bgr-drop-zone__hint--model{margin-top:.25rem;color:var(--color-text-muted);font-style:italic}.bgr-drop-zone__file-input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.bgr-result{flex:1;display:grid;grid-template-columns:1fr 4px 1fr;min-height:0;overflow:hidden}.bgr-pane{display:flex;flex-direction:column;min-height:0;overflow:hidden}.bgr-pane__label{font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--color-text-muted);padding:.5rem 1rem;border-bottom:1px solid var(--color-border);background-color:var(--color-surface-raised);flex-shrink:0}.bgr-pane__img-wrap{flex:1;display:flex;align-items:center;justify-content:center;overflow:auto;padding:1.5rem;min-height:0;position:relative}.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-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px}.bgr-pane__img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;box-shadow:var(--shadow-canvas)}.bgr-divider{width:4px;background-color:var(--color-border);flex-shrink:0}.bgr-run-prompt{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.75rem;padding:2rem;text-align:center;pointer-events:none}.bgr-run-prompt__icon{font-size:2.2rem;opacity:.25}.bgr-run-prompt__text{font-size:.875rem;color:var(--color-text-muted);line-height:1.5}.bgr-run-prompt__text strong{color:var(--color-text-secondary);font-weight:600}.bgr-processing{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:2rem;text-align:center;pointer-events:none}.bgr-spinner{width:2rem;height:2rem;border:3px solid var(--color-border);border-top-color:var(--color-accent);border-radius:50%;animation:bgr-spin .75s linear infinite;flex-shrink:0}@keyframes bgr-spin{to{transform:rotate(360deg)}}.bgr-processing__stage{font-size:.9rem;font-weight:600;color:var(--color-text-primary)}.bgr-processing__sub{font-size:.78rem;color:var(--color-text-muted);font-variant-numeric:tabular-nums;max-width:28ch;word-break:break-all;min-height:1.2em}.bgr-progress-wrap{width:100%;max-width:260px;background-color:var(--color-surface-deep);border:1px solid var(--color-border);border-radius:4px;height:6px;overflow:hidden}.bgr-progress-bar{height:100%;background-color:var(--color-accent);border-radius:4px;width:0%;transition:width .2s ease}.bgr-action-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:.75rem 1.5rem;border-top:1px solid var(--color-border);background-color:var(--color-surface-raised);flex-shrink:0}.bgr-file-info{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap;min-width:0}.bgr-file-info__name{font-size:.85rem;font-weight:600;color:var(--color-text-primary);word-break:break-all;min-width:0}.bgr-file-info__size,.bgr-file-info__dims{font-size:.78rem;color:var(--color-text-muted);white-space:nowrap;font-variant-numeric:tabular-nums}.bgr-action-bar__btns{display:flex;align-items:center;gap:.6rem;flex-shrink:0}.bgr-btn{display:inline-flex;align-items:center;gap:.4rem;border-radius:7px;font-size:.87rem;font-weight:600;padding:.55rem 1.2rem;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease,opacity .15s ease;white-space:nowrap;border:1px solid transparent}.bgr-btn:disabled{opacity:.45;cursor:not-allowed}.bgr-btn--primary{background-color:var(--color-accent-bg);border-color:var(--color-accent-border);color:var(--color-accent)}.bgr-btn--primary:not(:disabled):hover{background-color:var(--color-accent-hover-bg);border-color:var(--color-accent);color:var(--color-accent-hover-text)}.bgr-btn--secondary{background:none;border-color:var(--color-border);color:var(--color-text-secondary)}.bgr-btn--secondary:not(:disabled):hover{border-color:var(--color-accent-border);color:var(--color-accent)}.bgr-btn--success{background-color:var(--color-success-bg);border-color:var(--color-success-border);color:var(--color-success)}.bgr-btn--success:not(:disabled):hover{background-color:var(--color-success-hover-bg, var(--color-success-bg));border-color:var(--color-success);filter:brightness(1.1)}.bgr-btn__spinner{display:inline-block;width:.85em;height:.85em;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:bgr-spin .7s linear infinite;flex-shrink:0}.bgr-btn__spinner[hidden]{display:none}.bgr-error-bar{margin:.75rem 1.5rem;padding:.65rem .9rem;background-color:var(--color-danger-bg);border:1px solid var(--color-danger-border);border-radius:6px;color:var(--color-danger);font-size:.82rem;line-height:1.5;flex-shrink:0}@media(max-width:860px){.bgr-result{grid-template-columns:1fr;grid-template-rows:1fr 4px 1fr}.bgr-divider{width:100%;height:4px}.bgr-pane__img-wrap{min-height:180px;max-height:260px}}@media(max-width:600px){.tool-header{padding:1rem;flex-direction:column;gap:.75rem}.bgr-action-bar{flex-direction:column;align-items:flex-start;gap:.75rem}.bgr-action-bar__btns{width:100%;flex-wrap:wrap}.bgr-btn{flex:1;justify-content:center}}