.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}.pm-icon-btn{cursor:pointer;border:1px solid var(--color-border);width:24px;height:24px;color:var(--color-text-faint);background:0 0;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;font-size:.75rem;transition:color .12s,border-color .12s,background-color .12s;display:inline-flex}.pm-icon-btn:hover{color:var(--color-text-primary);border-color:var(--color-border);background-color:var(--color-surface-raised)}.pm-icon-btn--remove:hover{color:var(--color-danger);border-color:var(--color-danger-border);background-color:var(--color-danger-bg)}.pm-workspace{flex:1;grid-template-columns:280px minmax(0,1fr);min-height:0;display:grid;overflow:hidden}.pm-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}.pm-drop-zone{border-bottom:1px solid var(--color-border);cursor:pointer;flex-shrink:0;padding:1rem;transition:background-color .15s}.pm-drop-zone:hover,.pm-drop-zone--over{background-color:var(--color-surface-raised)}.pm-drop-zone--over{outline:2px dashed var(--color-accent-border);outline-offset:-4px}.pm-drop-zone__inner{pointer-events:none;flex-direction:column;align-items:center;gap:.25rem;padding:1rem .5rem;display:flex}.pm-drop-zone__icon{opacity:.4;font-size:1.75rem;line-height:1}.pm-drop-zone__title{color:var(--color-text-secondary);font-size:.85rem;font-weight:600}.pm-drop-zone__hint{color:var(--color-text-ghost);font-size:.75rem}.pm-file-input{display:none}.pm-file-list{flex-direction:column;flex:1;display:flex;overflow-y:auto}.pm-file-item{border-bottom:1px solid var(--color-border-faint);cursor:grab;align-items:center;gap:.5rem;padding:.6rem .75rem;transition:background-color .1s;display:flex}.pm-file-item:hover{background-color:var(--color-surface-raised)}.pm-file-item--loading{opacity:.6;cursor:default}.pm-file-item--dragging{opacity:.4}.pm-file-item--drag-over{border-top:2px solid var(--color-accent);background-color:var(--color-accent-bg)}.pm-file-item__drag-handle{color:var(--color-text-dim);cursor:grab;-webkit-user-select:none;user-select:none;flex-shrink:0;font-size:.8rem}.pm-file-item__info{flex-direction:column;flex:1;gap:.15rem;min-width:0;display:flex}.pm-file-item__name{color:var(--color-text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;font-weight:500;overflow:hidden}.pm-file-item__meta{color:var(--color-text-ghost);font-size:.72rem}.pm-file-item__actions{flex-shrink:0;align-items:center;gap:.2rem;display:flex}.pm-error-text{color:var(--color-danger)}.pm-canvas-panel{background-color:var(--color-bg);flex-direction:column;min-height:0;display:flex;position:relative;overflow-y:auto}.pm-empty-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;display:flex}.pm-empty-state__icon{opacity:.2;font-size:3rem;line-height:1}.pm-empty-state p{font-size:.9rem}.pm-page-grid{flex-wrap:wrap;align-content:flex-start;gap:1rem;padding:1.5rem;display:flex}.pm-page-card{cursor:grab;border:1px solid var(--color-border);background-color:var(--color-surface-raised);-webkit-user-select:none;user-select:none;border-radius:6px;flex-direction:column;align-items:center;gap:.4rem;padding:.4rem;transition:border-color .12s,background-color .12s,opacity .12s;display:flex;position:relative}.pm-page-card:hover{border-color:var(--color-sep);background-color:var(--color-surface)}.pm-page-card--dragging{opacity:.35;cursor:grabbing}.pm-page-card--drag-over{border-color:var(--color-accent);background-color:var(--color-accent-bg);outline:2px solid var(--color-accent-border);outline-offset:1px}.pm-page-thumb{background-color:var(--color-paper);border-radius:3px;justify-content:center;align-items:center;max-width:120px;max-height:160px;display:flex;overflow:hidden}.pm-page-thumb canvas{width:auto;max-width:120px;height:auto;max-height:160px;display:block}.pm-page-label{flex-direction:column;align-items:center;gap:.1rem;width:100%;max-width:120px;display:flex}.pm-page-label__num{color:var(--color-accent);font-variant-numeric:tabular-nums;font-size:.72rem;font-weight:600}.pm-page-label__file{color:var(--color-text-ghost);white-space:nowrap;text-overflow:ellipsis;text-align:center;max-width:100%;font-size:.65rem;overflow:hidden}.pm-page-remove{border:1px solid var(--color-sep);background-color:var(--color-surface-raised);width:18px;height:18px;color:var(--color-text-faint);cursor:pointer;opacity:0;border-radius:50%;justify-content:center;align-items:center;font-size:.6rem;line-height:1;transition:opacity .12s,color .12s,border-color .12s,background-color .12s;display:flex;position:absolute;top:4px;right:4px}.pm-page-card:hover .pm-page-remove{opacity:1}.pm-page-remove:hover{color:var(--color-danger);border-color:var(--color-danger-border);background-color:var(--color-danger-bg)}.pm-status-bar{background-color:var(--color-surface-raised);border-top:1px solid var(--color-border);color:var(--color-text-muted);flex-shrink:0;padding:.5rem 2rem;font-size:.78rem}@media (width<=860px){.pm-workspace{grid-template-rows:auto 1fr;grid-template-columns:1fr;overflow-y:auto}.pm-sidebar{border-right:none;border-bottom:1px solid var(--color-border);max-height:280px;overflow-y:auto}.pm-canvas-panel{overflow-y:visible}.tool-header{padding:1rem 1.25rem}}@media (width<=540px){.pm-page-grid{gap:.75rem;padding:1rem}}