.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:1.25rem 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)}.tool-header__actions{display:flex;align-items:center;gap:.65rem;flex-shrink:0;flex-wrap:wrap}.pm-btn{display:inline-flex;align-items:center;gap:.4rem;padding:.45rem 1.1rem;border-radius:6px;font-size:.85rem;font-weight:600;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,color .15s ease,opacity .15s ease;white-space:nowrap;border:1px solid transparent}.pm-btn--primary{background-color:var(--color-accent-bg);border-color:var(--color-accent-border);color:var(--color-accent)}.pm-btn--primary:hover:not(:disabled){background-color:var(--color-accent-hover-bg);border-color:var(--color-accent);color:var(--color-accent-hover-text)}.pm-btn--primary:disabled{opacity:.4;cursor:not-allowed}.pm-btn--ghost{background:none;border-color:var(--color-border);color:var(--color-text-faint)}.pm-btn--ghost:hover{border-color:var(--color-sep);color:var(--color-text-primary)}.pm-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:4px;font-size:.75rem;cursor:pointer;border:1px solid var(--color-border);background:none;color:var(--color-text-faint);transition:color .12s ease,border-color .12s ease,background-color .12s ease;flex-shrink:0}.pm-icon-btn:hover{color:var(--color-text-primary);border-color:var(--color-sep);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;display:grid;grid-template-columns:280px minmax(0,1fr);min-height:0;overflow:hidden}.pm-sidebar{display:flex;flex-direction:column;border-right:1px solid var(--color-border);background-color:var(--color-surface-deep);overflow-y:auto;min-height:0}.pm-drop-zone{border-bottom:1px solid var(--color-border);padding:1rem;flex-shrink:0;cursor:pointer;transition:background-color .15s ease}.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{display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:1rem .5rem;pointer-events:none}.pm-drop-zone__icon{font-size:1.75rem;line-height:1;opacity:.4}.pm-drop-zone__title{font-size:.85rem;font-weight:600;color:var(--color-text-secondary)}.pm-drop-zone__hint{font-size:.75rem;color:var(--color-text-ghost)}.pm-file-input{display:none}.pm-file-list{display:flex;flex-direction:column;flex:1;overflow-y:auto}.pm-file-item{display:flex;align-items:center;gap:.5rem;padding:.6rem .75rem;border-bottom:1px solid var(--color-border-faint);transition:background-color .1s ease;cursor:grab}.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{font-size:.8rem;color:var(--color-text-dim);flex-shrink:0;cursor:grab;-webkit-user-select:none;user-select:none}.pm-file-item__info{flex:1;min-width:0;display:flex;flex-direction:column;gap:.15rem}.pm-file-item__name{font-size:.8rem;font-weight:500;color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pm-file-item__meta{font-size:.72rem;color:var(--color-text-ghost)}.pm-file-item__actions{display:flex;align-items:center;gap:.2rem;flex-shrink:0}.pm-error-text{color:var(--color-danger)}.pm-canvas-panel{display:flex;flex-direction:column;background-color:var(--color-bg);overflow-y:auto;min-height:0;position:relative}.pm-empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.85rem;text-align:center;padding:4rem 2rem;color:var(--color-text-dim)}.pm-empty-state__icon{font-size:3rem;line-height:1;opacity:.2}.pm-empty-state p{font-size:.9rem}.pm-page-grid{display:flex;flex-wrap:wrap;gap:1rem;padding:1.5rem;align-content:flex-start}.pm-page-card{position:relative;display:flex;flex-direction:column;align-items:center;gap:.4rem;cursor:grab;border-radius:6px;padding:.4rem;border:1px solid var(--color-border);background-color:var(--color-surface-raised);transition:border-color .12s ease,background-color .12s ease,opacity .12s ease;-webkit-user-select:none;user-select:none}.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{display:flex;align-items:center;justify-content:center;background-color:#fff;border-radius:3px;overflow:hidden;max-width:120px;max-height:160px}.pm-page-thumb canvas{display:block;max-width:120px;max-height:160px;width:auto;height:auto}.pm-page-label{display:flex;flex-direction:column;align-items:center;gap:.1rem;width:100%;max-width:120px}.pm-page-label__num{font-size:.72rem;font-weight:600;color:var(--color-accent);font-variant-numeric:tabular-nums}.pm-page-label__file{font-size:.65rem;color:var(--color-text-ghost);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%;text-align:center}.pm-page-remove{position:absolute;top:4px;right:4px;width:18px;height:18px;border-radius:50%;border:1px solid var(--color-sep);background-color:var(--color-surface-raised);color:var(--color-text-faint);font-size:.6rem;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .12s ease,color .12s ease,border-color .12s ease,background-color .12s ease}.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{padding:.5rem 2rem;background-color:var(--color-surface-raised);border-top:1px solid var(--color-border);font-size:.78rem;color:var(--color-text-muted);flex-shrink:0}@media(max-width:860px){.pm-workspace{grid-template-columns:1fr;grid-template-rows:auto 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(max-width:540px){.tool-header__actions{width:100%}.pm-btn{flex:1;justify-content:center}.pm-page-grid{padding:1rem;gap:.75rem}}