.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}.pti-btn--full{justify-content:center;width:100%}.pti-workspace{flex:1;grid-template-columns:280px minmax(0,1fr);min-height:0;display:grid;overflow:hidden}.pti-sidebar{border-right:1px solid var(--color-border);background-color:var(--color-surface-deep);flex-direction:column;min-height:0;display:flex;overflow-y:auto}.pti-drop-zone{border-bottom:1px solid var(--color-border);cursor:pointer;flex-shrink:0;padding:1rem;transition:background-color .15s}.pti-drop-zone:hover,.pti-drop-zone--over{background-color:var(--color-surface-raised)}.pti-drop-zone--over{outline:2px dashed var(--color-accent-border);outline-offset:-4px}.pti-drop-zone__inner{pointer-events:none;flex-direction:column;align-items:center;gap:.25rem;padding:1rem .5rem;display:flex}.pti-drop-zone__icon{opacity:.4;font-size:1.75rem;line-height:1}.pti-drop-zone__title{color:var(--color-text-secondary);font-size:.85rem;font-weight:600}.pti-drop-zone__hint{color:var(--color-text-ghost);font-size:.75rem}.pti-file-input{display:none}.pti-options{flex-direction:column;flex:1;display:flex}.pti-file-bar{border-bottom:1px solid var(--color-border-faint);background-color:var(--color-surface-input);flex-shrink:0;align-items:center;gap:.5rem;min-width:0;padding:.65rem .85rem;font-size:.78rem;display:flex}.pti-file-bar__icon{opacity:.5;flex-shrink:0;font-size:.9rem}.pti-file-bar__name{white-space:nowrap;text-overflow:ellipsis;color:var(--color-text-primary);flex:1;min-width:0;font-weight:500;overflow:hidden}.pti-file-bar__meta{color:var(--color-text-ghost);white-space:nowrap;flex-shrink:0;font-size:.72rem}.pti-option-group{border-bottom:1px solid var(--color-border-faint);flex-direction:column;gap:.5rem;padding:.85rem;display:flex}.pti-option-group--bottom{border-bottom:none;margin-top:auto}.pti-option-label{letter-spacing:.05em;text-transform:uppercase;color:var(--color-text-faint);font-size:.72rem;font-weight:600}.pti-option-hint{color:var(--color-text-dim);min-height:1em;font-size:.72rem;line-height:1.3}.pti-toggle-group{flex-wrap:wrap;align-items:center;gap:.35rem;display:flex}.pti-toggle-btn{border:1px solid var(--color-border);color:var(--color-text-faint);cursor:pointer;white-space:nowrap;background:0 0;border-radius:5px;padding:.28rem .8rem;font-size:.8rem;font-weight:500;transition:color .12s,background-color .12s,border-color .12s}.pti-toggle-btn:hover{color:var(--color-text-secondary);border-color:var(--color-sep)}.pti-toggle-btn--active{background-color:var(--color-accent-bg);color:var(--color-accent);border-color:var(--color-accent-border)}.pti-toggle-btn--active:hover{background-color:var(--color-accent-hover-bg);border-color:var(--color-accent);color:var(--color-accent-hover-text)}.pti-range{width:100%;accent-color:var(--color-accent);cursor:pointer}.pti-row-btns{flex-wrap:wrap;gap:.4rem;display:flex}.pti-small-btn{border:1px solid var(--color-border);color:var(--color-text-faint);cursor:pointer;white-space:nowrap;background:0 0;border-radius:5px;padding:.25rem .65rem;font-size:.75rem;font-weight:500;transition:color .12s,border-color .12s,background-color .12s}.pti-small-btn:hover{color:var(--color-text-primary);border-color:var(--color-sep);background-color:var(--color-surface-raised)}.pti-selection-count{color:var(--color-text-faint);min-height:1em;font-size:.73rem}.pti-preview-panel{background-color:var(--color-bg);flex-direction:column;min-height:0;display:flex;position:relative;overflow-y:auto}.pti-empty-state,.pti-loading-state{text-align:center;color:var(--color-text-dim);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:.85rem;padding:4rem 2rem;font-size:.9rem;display:flex}.pti-empty-state__icon,.pti-loading-state__spinner{opacity:.25;font-size:2.5rem;line-height:1}.pti-error-state{background-color:var(--color-danger-bg);border:1px solid var(--color-danger-border);color:var(--color-danger);border-radius:6px;align-items:center;gap:.6rem;margin:1.5rem;padding:.85rem 1rem;font-size:.85rem;display:flex}.pti-error-icon{flex-shrink:0;font-size:1rem}.pti-page-grid{flex-wrap:wrap;align-content:flex-start;gap:1rem;padding:1.5rem;display:flex}.pti-page-card{border:2px solid var(--color-border-subtle);background-color:var(--color-surface-raised);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:7px;flex-direction:column;align-items:center;gap:.5rem;width:172px;padding:.5rem;transition:border-color .12s,background-color .12s;display:flex;position:relative}.pti-page-card:hover{border-color:var(--color-sep);background-color:var(--color-surface)}.pti-page-card--selected{border-color:var(--color-accent-border);background-color:var(--color-accent-bg)}.pti-page-card--selected:hover{border-color:var(--color-accent);background-color:var(--color-accent-hover-bg)}.pti-page-checkbox{width:15px;height:15px;accent-color:var(--color-accent);cursor:pointer;z-index:2;position:absolute;top:7px;left:7px}.pti-thumb-wrap{background-color:var(--color-paper);border-radius:3px;justify-content:center;align-items:center;width:152px;max-height:200px;display:flex;overflow:hidden}.pti-thumb-wrap canvas{width:auto;max-width:152px;height:auto;max-height:200px;display:block}.pti-page-info{flex-direction:column;align-items:center;gap:.1rem;width:100%;display:flex}.pti-page-num{color:var(--color-text-secondary);font-variant-numeric:tabular-nums;font-size:.75rem;font-weight:600}.pti-page-card--selected .pti-page-num{color:var(--color-accent)}.pti-page-dim{color:var(--color-text-dim);font-variant-numeric:tabular-nums;font-family:Menlo,Monaco,Consolas,Courier New,monospace;font-size:.65rem}.pti-dl-btn{border:1px solid var(--color-border);color:var(--color-text-faint);cursor:pointer;background:0 0;border-radius:5px;justify-content:center;align-items:center;gap:.3rem;width:100%;padding:.25rem .7rem;font-size:.72rem;font-weight:500;transition:color .12s,border-color .12s,background-color .12s;display:inline-flex}.pti-dl-btn:hover{color:var(--color-accent);border-color:var(--color-accent-border);background-color:var(--color-accent-bg)}.pti-jpeg-warn{background-color:var(--color-warning-bg);border:1px solid var(--color-warning-border);border-radius:6px;margin:0 .85rem .85rem;padding:.6rem .8rem}.pti-jpeg-warn__text{color:var(--color-warning);margin:0;font-size:.73rem;line-height:1.45}@media (width<=860px){.pti-workspace{grid-template-rows:auto 1fr;grid-template-columns:1fr;overflow-y:auto}.pti-sidebar{border-right:none;border-bottom:1px solid var(--color-border);max-height:360px;overflow-y:auto}.pti-preview-panel{overflow-y:visible}.tool-header{padding:1rem 1.25rem}}@media (width<=540px){.pti-page-grid{gap:.75rem;padding:1rem}.pti-page-card{width:148px}.pti-thumb-wrap{width:128px}.pti-thumb-wrap canvas{max-width:128px}}