.pdf-tools{max-width:700px;margin:0 auto;display:flex;flex-direction:column;gap:var(--space-lg)}.pdf-header{text-align:center}.pdf-header h1{font-size:var(--text-4xl);font-weight:700;margin-bottom:var(--space-md);background:linear-gradient(135deg,var(--color-text-primary),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.pdf-description{font-size:var(--text-lg);color:var(--color-text-muted);max-width:500px;margin:0 auto}.pdf-tabs{display:flex;gap:var(--space-xs);padding:var(--space-xs);background:var(--color-bg-card);border-radius:var(--radius-lg);border:1px solid var(--color-border-subtle)}.pdf-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);background:none;border:none;border-radius:var(--radius-md);color:var(--color-text-muted);font-size:var(--text-sm);font-family:var(--font-sans);font-weight:500;cursor:pointer;transition:all .2s ease}.pdf-tab:hover{color:var(--color-text-primary);background:#ffffff08}.pdf-tab.active{color:#fff;background:var(--color-accent)}.pdf-tab svg{flex-shrink:0}.pdf-panel{display:flex;flex-direction:column;gap:var(--space-lg)}.pdf-drop-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-2xl) var(--space-lg);background:var(--color-bg-card);border:2px dashed var(--color-border);border-radius:var(--radius-xl);cursor:pointer;transition:all .2s ease;text-align:center}.pdf-drop-zone:hover{border-color:var(--color-accent);background:#6366f10d}.pdf-drop-zone svg{color:var(--color-text-muted);opacity:.5}.pdf-drop-title{font-size:var(--text-sm);font-weight:500;color:var(--color-text-secondary)}.pdf-drop-subtitle{font-size:var(--text-xs);color:var(--color-text-muted)}.pdf-error{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-md);color:#ef4444;font-size:var(--text-sm)}.pdf-file-list{display:flex;flex-direction:column;gap:var(--space-xs)}.pdf-file-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--color-bg-card);border:1px solid var(--color-border-subtle);border-radius:var(--radius-md);transition:all .15s ease;cursor:grab}.pdf-file-item:active{cursor:grabbing}.pdf-file-item.drag-over{border-color:var(--color-accent);background:#6366f114}.pdf-file-grip{color:var(--color-text-muted);opacity:.4;display:flex;flex-shrink:0}.pdf-file-index{flex-shrink:0;width:24px;height:24px;display:flex;align-items:center;justify-content:center;background:#6366f11a;border-radius:var(--radius-sm);font-size:var(--text-xs);font-weight:600;color:var(--color-accent-light)}.pdf-file-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.pdf-file-name{font-size:var(--text-sm);font-weight:500;color:var(--color-text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-file-meta{font-size:var(--text-xs);color:var(--color-text-muted)}.pdf-file-actions{display:flex;align-items:center;gap:4px;flex-shrink:0}.pdf-move-btn,.pdf-remove-btn{display:flex;align-items:center;justify-content:center;width:28px;height:28px;background:none;border:1px solid transparent;border-radius:var(--radius-sm);color:var(--color-text-muted);cursor:pointer;transition:all .15s ease}.pdf-move-btn:hover:not(:disabled){border-color:var(--color-border);color:var(--color-text-primary)}.pdf-move-btn:disabled{opacity:.2;cursor:not-allowed}.pdf-remove-btn:hover{border-color:#ef44444d;color:#ef4444}.pdf-summary{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--color-bg-card);border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg)}.pdf-stats{display:flex;gap:var(--space-md);font-size:var(--text-xs);color:var(--color-text-muted)}.pdf-stats span{padding:var(--space-xs) var(--space-sm);background:var(--color-bg-primary);border-radius:var(--radius-sm)}.pdf-actions{display:flex;gap:var(--space-sm)}.pdf-loaded-file{display:flex;align-items:center;justify-content:space-between;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--color-bg-card);border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg)}.pdf-loaded-info{display:flex;align-items:center;gap:var(--space-sm);min-width:0;color:var(--color-accent-light)}.pdf-loaded-details{display:flex;flex-direction:column;gap:2px;min-width:0}.pdf-loaded-name{font-size:var(--text-sm);font-weight:500;color:var(--color-text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-loaded-meta{font-size:var(--text-xs);color:var(--color-text-muted)}.pdf-range-section{display:flex;flex-direction:column;gap:var(--space-sm)}.pdf-range-label{display:flex;align-items:center;gap:var(--space-sm);font-size:var(--text-sm);font-weight:500;color:var(--color-text-primary)}.pdf-range-hint{font-size:var(--text-xs);color:var(--color-text-muted);font-weight:400}.pdf-range-row{display:flex;gap:var(--space-sm)}.pdf-range-input{flex:1;padding:var(--space-sm) var(--space-md);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-primary);font-size:var(--text-sm);font-family:var(--font-mono)}.pdf-range-input:focus{outline:none;border-color:var(--color-accent)}.pdf-range-preview{font-size:var(--text-xs);color:var(--color-accent-light);font-weight:500}.pdf-option-group{display:flex;flex-direction:column;gap:var(--space-sm)}.pdf-option-label{font-size:var(--text-sm);font-weight:500;color:var(--color-text-primary)}.pdf-segmented{display:flex;gap:var(--space-xs);padding:var(--space-xs);background:var(--color-bg-primary);border-radius:var(--radius-md);border:1px solid var(--color-border-subtle)}.pdf-seg-btn{flex:1;padding:var(--space-sm);background:none;border:none;border-radius:var(--radius-sm);color:var(--color-text-muted);font-size:var(--text-sm);font-family:var(--font-sans);font-weight:500;cursor:pointer;transition:all .15s ease}.pdf-seg-btn:hover{color:var(--color-text-primary)}.pdf-seg-btn.active{background:var(--color-accent);color:#fff}.pdf-result{display:flex;flex-direction:column;gap:var(--space-xs);padding:var(--space-md) var(--space-lg);background:var(--color-bg-card);border:1px solid var(--color-border-subtle);border-radius:var(--radius-lg)}.pdf-result-row{display:flex;justify-content:space-between;font-size:var(--text-sm);color:var(--color-text-secondary)}.pdf-result-row strong{color:var(--color-text-primary)}.pdf-result-row.highlight{padding-top:var(--space-sm);border-top:1px solid var(--color-border-subtle);color:var(--color-accent-light)}.pdf-result-row.highlight strong{color:var(--color-accent-light)}.pdf-btn{display:flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);font-size:var(--text-sm);font-family:var(--font-sans);font-weight:500;cursor:pointer;transition:all .2s ease;white-space:nowrap}.pdf-btn-secondary{background:none;border:1px solid var(--color-border);color:var(--color-text-secondary)}.pdf-btn-secondary:hover{border-color:var(--color-text-muted);color:var(--color-text-primary)}.pdf-btn-primary{background:var(--color-accent);border:1px solid var(--color-accent);color:#fff}.pdf-btn-primary:hover:not(:disabled){background:var(--color-accent-light);border-color:var(--color-accent-light)}.pdf-btn-primary:disabled{opacity:.5;cursor:not-allowed}.pdf-btn-full{width:100%;padding:var(--space-md)}.pdf-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:pdf-spin .6s linear infinite}@keyframes pdf-spin{to{transform:rotate(360deg)}}.pdf-slider{width:100%;height:4px;-webkit-appearance:none;appearance:none;background:var(--color-border);border-radius:2px;outline:none;cursor:pointer}.pdf-slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;background:var(--color-accent);border-radius:50%;border:2px solid var(--color-bg-card);cursor:pointer}.pdf-slider::-moz-range-thumb{width:16px;height:16px;background:var(--color-accent);border-radius:50%;border:2px solid var(--color-bg-card);cursor:pointer}.pdf-position-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-xs);padding:var(--space-xs);background:var(--color-bg-primary);border-radius:var(--radius-md);border:1px solid var(--color-border-subtle)}@media(max-width:600px){.pdf-header h1{font-size:var(--text-2xl)}.pdf-description{font-size:var(--text-base)}.pdf-tabs{flex-wrap:wrap}.pdf-tab{min-width:calc(33.33% - var(--space-xs));font-size:var(--text-xs);padding:var(--space-sm)}.pdf-summary{flex-direction:column;gap:var(--space-sm)}.pdf-stats{width:100%;justify-content:center}.pdf-actions{width:100%}.pdf-actions .pdf-btn{flex:1}.pdf-file-grip{display:none}.pdf-loaded-file{flex-direction:column;align-items:flex-start}.pdf-range-row{flex-direction:column}.pdf-range-input{font-size:16px}}