:root{--primary:#4f46e5;--primary-hover:#4338ca;--success:#10b981;--success-hover:#059669;--danger:#ef4444;--danger-hover:#dc2626;--bg-color:#f3f4f6;--card-bg:#fff;--text-main:#111827;--text-muted:#6b7280;--border:#e5e7eb}*{box-sizing:border-box}body{background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}h1,h2,h3{color:var(--text-main);margin-top:0;font-weight:700}.app-shell{max-width:1200px;margin:0 auto;padding:0 20px 60px}.app-loading{height:100vh;color:var(--text-muted);justify-content:center;align-items:center;font-size:1.2rem;display:flex}.btn{cursor:pointer;white-space:nowrap;border:none;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:.7rem 1.2rem;font-size:.92rem;font-weight:600;transition:all .15s ease-in-out;display:inline-flex;box-shadow:0 1px 2px #0000000d}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.sm{padding:.5rem .75rem;font-size:.82rem}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:var(--success-hover);transform:translateY(-1px)}.btn-outline{color:var(--text-main);border:1px solid var(--border);background:#fff}.btn-outline:hover:not(:disabled){background:#f9fafb;border-color:#d1d5db}.btn-danger-outline{color:var(--danger);background:#fff;border:1px solid #fca5a5}.btn-danger-outline:hover:not(:disabled){background:#fef2f2}.icon-btn{color:var(--text-muted);cursor:pointer;background:#0000000d;border:none;border-radius:6px;justify-content:center;align-items:center;width:22px;height:22px;font-size:12px;line-height:1;display:flex}.icon-btn.danger:hover{color:var(--danger);background:#fee2e2}.card{background:var(--card-bg);border-radius:14px;margin-bottom:1.5rem;padding:1.5rem;box-shadow:0 1px 3px #00000014,0 1px 2px #0000000a}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.toolbar-actions{flex-wrap:wrap;gap:10px;display:flex}.stats-row{flex-wrap:wrap;gap:10px;margin-bottom:18px;display:flex}.stat-tile{text-align:center;background:var(--bg-color);border:1px solid var(--border);border-radius:10px;flex:100px;min-width:90px;padding:10px 6px}.stat-val{font-size:1.5rem;font-weight:700;line-height:1.1}.stat-label{color:var(--text-muted);margin-top:2px;font-size:.78rem}.sel-bar{background:var(--bg-color);border:1px solid var(--border);border-radius:10px;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px;padding:10px 14px;transition:all .15s;display:flex}.sel-bar.active{background:#eef2ff;border-color:#c7d2fe}.sel-all{cursor:pointer;align-items:center;gap:6px;font-size:.9rem;font-weight:600;display:flex}.sel-all input,.sel-check{cursor:pointer;width:16px;height:16px;accent-color:var(--primary)}.sel-count{color:var(--text-muted);font-size:.88rem}.sel-actions{flex-wrap:wrap;gap:8px;margin-left:auto;display:flex}.grid{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px;display:grid}.empty-hint{text-align:center;color:var(--text-muted);padding:40px 0}.image-card{background:var(--card-bg);border:2px solid var(--border);cursor:pointer;border-radius:12px;flex-direction:column;padding:10px;transition:border-color .15s,box-shadow .15s,transform .15s;display:flex}.image-card:hover{transform:translateY(-2px);box-shadow:0 8px 18px #00000014}.image-card.selected{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e526}.card-topbar{align-items:center;gap:8px;margin-bottom:8px;display:flex}.card-topbar .badge{margin-left:2px}.card-topbar .icon-btn{margin-left:auto}.thumb{justify-content:center;align-items:center;height:165px;margin-bottom:10px;display:flex;position:relative}.thumb img{object-fit:contain;max-width:100%;max-height:100%}.peek-btn{cursor:pointer;color:#fff;background:#111827b3;border:none;border-radius:6px;padding:3px 8px;font-size:11px;position:absolute;top:6px;right:6px}.thumb-spinner{border:3px solid #4f46e540;border-top-color:var(--primary);border-radius:50%;width:26px;height:26px;animation:.8s linear infinite spin;position:absolute}@keyframes spin{to{transform:rotate(360deg)}}.fname{text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600;overflow:hidden}.err-msg{color:var(--danger);text-overflow:ellipsis;white-space:nowrap;margin-top:3px;font-size:11px;overflow:hidden}.card-actions{border-top:1px solid #f3f4f6;gap:6px;margin-top:10px;padding-top:10px;display:flex}.card-actions .btn{flex:1}.card-hint{color:var(--text-muted);text-align:center;width:100%;padding:4px 0;font-size:11px}.badge{border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700}.badge-gray{color:#4b5563;background:#f3f4f6}.badge-blue{color:#1d4ed8;background:#dbeafe}.badge-amber{color:#b45309;background:#fef3c7}.badge-green{color:#047857;background:#d1fae5}.badge-red{color:#b91c1c;background:#fee2e2}.checkerboard{background-color:#f8f8f8;background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAMElEQVQ4T2P8z8Dwn4GKgHHUQJoaGI2mEaNRM2I0akZcjQaVv0eMGk2jRpOpGQAARxY/wc24rW0AAAAASUVORK5CYII=);background-repeat:repeat;border-radius:8px;overflow:hidden}.dropzone{border:2px dashed var(--border);background:var(--card-bg);text-align:center;cursor:pointer;border-radius:14px;margin:20px 0;padding:2.2rem 2rem;transition:all .15s}.dropzone.active{border-color:var(--primary);background:#eef2ff}.dropzone.uploading{cursor:default;opacity:.85}.dz-icon{margin-bottom:.6rem;font-size:1.8rem}.dz-title{color:var(--primary);margin-bottom:.3rem;font-size:1.1rem}.dz-sub{color:var(--text-muted);margin:0;font-size:.9rem}.export-bar{background:var(--card-bg);border-radius:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:1.2rem 1.5rem;display:flex;box-shadow:0 1px 3px #00000014}.export-title{font-size:1.05rem;font-weight:700}.export-sub{color:var(--text-muted);margin-top:2px;font-size:.88rem}.header{text-align:center;padding:2.5rem 0 1.5rem}.header h1{background:linear-gradient(135deg, var(--primary), #8b5cf6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.4rem;font-size:2.3rem}.header p{color:var(--text-muted);margin:0;font-size:1.05rem}.footer{text-align:center;color:var(--text-muted);padding:30px 0 0;font-size:.82rem}