.upload-zone{border:3px dashed var(--border-color);border-radius:16px;padding:50px 30px;text-align:center;cursor:pointer;transition:all .3s ease;background:#fafafa}.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:#eef2ff}.upload-zone .icon{width:64px;height:64px;margin:0 auto 20px;color:var(--primary);opacity:.7}.upload-zone h3{font-size:1.2rem;margin-bottom:8px;color:var(--text-main)}.upload-zone p{color:var(--text-muted);font-size:.95rem}.upload-zone input[type=file]{display:none}.results-area{display:none;margin-top:30px;animation:fadeIn .4s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.controls-bar{display:flex;flex-wrap:wrap;gap:15px;align-items:center;margin-bottom:25px;padding:18px 22px;background:#f9fafb;border:1px solid var(--border-color);border-radius:12px}.selection-info{font-size:.95rem;color:var(--text-main)}.selection-count{font-weight:700;color:var(--primary)}.btn-small{padding:10px 16px;background:#fff;color:var(--text-main);font-size:.85rem;font-weight:600;border:1px solid var(--border-color);border-radius:8px;cursor:pointer;transition:all .2s}.btn-small:hover{border-color:var(--primary);color:var(--primary)}.controls-spacer{flex:1}.btn-secondary{padding:12px 20px;background:#fff;color:var(--text-muted);font-size:.9rem;font-weight:600;border:2px solid var(--border-color);border-radius:10px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:6px}.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}.btn-primary{padding:12px 24px;background:var(--primary);color:#fff;font-weight:700;font-size:.95rem;border:none;border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s;box-shadow:0 4px 6px -1px #6366f140}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.pages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:15px}.page-card{background:#fff;border:2px solid var(--border-color);border-radius:12px;overflow:hidden;cursor:pointer;transition:all .2s;position:relative}.page-card:hover{border-color:#a5b4fc;transform:translateY(-2px)}.page-card.selected{border-color:var(--primary);background:#eef2ff;box-shadow:0 0 0 3px #6366f126}.page-card.selected .page-preview{background:#e0e7ff}.page-check{position:absolute;top:10px;right:10px;width:26px;height:26px;background:#fff;border:2px solid var(--border-color);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all .2s;z-index:1}.page-card.selected .page-check{background:var(--primary);border-color:var(--primary)}.page-check i{width:14px;height:14px;color:#fff;opacity:0}.page-card.selected .page-check i{opacity:1}.page-preview{background:#f3f4f6;padding:12px;display:flex;justify-content:center;align-items:center;min-height:160px}.page-preview canvas{max-width:100%;max-height:140px;border-radius:4px;box-shadow:0 2px 6px #0000001a}.page-number{padding:10px;text-align:center;font-weight:600;font-size:.85rem;color:var(--text-main);border-top:1px solid var(--border-color)}.page-card.selected .page-number{color:var(--primary);border-color:transparent}.loading-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:1000;align-items:center;justify-content:center}.loading-overlay.active{display:flex}.loading-box{background:#fff;padding:40px 50px;border-radius:16px;text-align:center;box-shadow:0 20px 40px #0003}.loading-spinner{width:50px;height:50px;border:4px solid #E5E7EB;border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 20px}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-weight:600;color:var(--text-main)}[data-theme=dark] .upload-zone{background:#1f2937;border-color:#374151}[data-theme=dark] .upload-zone:hover{background:#1e3a5f}[data-theme=dark] .controls-bar{background:#1f2937;border-color:#374151}[data-theme=dark] .btn-small{background:#111827;border-color:#374151}[data-theme=dark] .page-card{background:#1f2937;border-color:#374151}[data-theme=dark] .page-card.selected{background:#1e3a5f}[data-theme=dark] .page-preview{background:#111827}[data-theme=dark] .page-card.selected .page-preview{background:#1e3a5f}[data-theme=dark] .page-number{border-color:#374151}[data-theme=dark] .page-check{background:#111827;border-color:#374151}[data-theme=dark] .btn-secondary{background:#1f2937;border-color:#374151}[data-theme=dark] .loading-box{background:#1f2937}.seo-article ul,.seo-article ol{padding-left:1.5rem}@media(max-width:640px){.controls-bar{flex-direction:column;align-items:stretch;gap:12px}.controls-spacer{display:none}.selection-info{text-align:center}.btn-primary,.btn-secondary{width:100%;justify-content:center}}:root{--content-width: 900px}