.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)}}.files-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.files-title{font-size:1.1rem;font-weight:700;color:var(--text-main)}.file-count{background:#eef2ff;color:var(--primary);padding:6px 14px;border-radius:20px;font-size:.85rem;font-weight:600}.files-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.file-item{display:flex;align-items:center;gap:15px;padding:16px 20px;background:#fff;border:1px solid var(--border-color);border-radius:12px;cursor:grab;transition:all .2s}.file-item:hover{border-color:var(--primary);box-shadow:0 2px 8px #6366f11a}.file-item.dragging{opacity:.5;border-style:dashed}.file-item.drag-over{border-color:var(--primary);background:#eef2ff}.drag-handle{color:var(--text-muted);cursor:grab;flex-shrink:0}.drag-handle i{width:20px;height:20px}.file-icon{width:44px;height:44px;background:linear-gradient(135deg,#fee2e2,#fecaca);color:#dc2626;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.file-icon i{width:22px;height:22px}.file-info{flex:1;min-width:0}.file-name{font-weight:600;color:var(--text-main);font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta{font-size:.8rem;color:var(--text-muted);margin-top:3px}.file-remove{padding:8px;background:transparent;border:none;color:var(--text-muted);cursor:pointer;border-radius:8px;transition:all .2s;flex-shrink:0}.file-remove:hover{background:#fee2e2;color:#dc2626}.file-remove i{width:18px;height:18px}.hint-text{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-muted);margin-bottom:25px}.hint-text i{width:16px;height:16px}.actions-bar{display:flex;gap:12px;flex-wrap:wrap}.btn-add{padding:14px 22px;background:#f9fafb;color:var(--text-main);font-weight:600;font-size:.9rem;border:2px dashed var(--border-color);border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s}.btn-add:hover{border-color:var(--primary);color:var(--primary);background:#eef2ff}.btn-add i{width:18px;height:18px}.actions-spacer{flex:1}.btn-secondary{padding:14px 22px;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}.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}.btn-primary{padding:14px 28px;background:var(--primary);color:#fff;font-weight:700;font-size:1rem;border:none;border-radius:10px;cursor:pointer;display:flex;align-items:center;gap:10px;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}.btn-primary i{width:20px;height:20px}.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] .file-item{background:#1f2937;border-color:#374151}[data-theme=dark] .file-item:hover,[data-theme=dark] .file-item.drag-over{background:#1e3a5f}[data-theme=dark] .file-icon{background:linear-gradient(135deg,#7f1d1d,#991b1b)}[data-theme=dark] .btn-add{background:#1f2937;border-color:#374151}[data-theme=dark] .btn-add:hover{background:#1e3a5f}[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){.actions-bar{flex-direction:column}.actions-spacer{display:none}.btn-add,.btn-secondary,.btn-primary{width:100%;justify-content:center}}:root{--content-width: 800px}