:root{--bg: #0a0c10;--bg-card: #111318;--bg-card-hover: #161a22;--border: #1e2330;--border-light: #252c3a;--text: #e8eaf0;--text-muted: #6b7280;--text-dim: #9ca3af;--accent: #6366f1;--accent-hover: #818cf8;--accent-glow: rgba(99, 102, 241, .15);--gordon: #ef4444;--gordon-dim: rgba(239, 68, 68, .15);--vp: #3b82f6;--vp-dim: rgba(59, 130, 246, .15);--colabor: #22c55e;--colabor-dim: rgba(34, 197, 94, .15);--warning: #f59e0b;--warning-dim: rgba(245, 158, 11, .1);--success: #10b981;--danger: #ef4444;--radius: 10px;--radius-lg: 16px;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;min-height:100vh}.app{display:flex;flex-direction:column;min-height:100vh}.header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.header-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--text)}.header-brand .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent)}.header-actions{display:flex;align-items:center;gap:10px}.main{flex:1;padding:24px;display:flex;gap:20px;overflow:hidden}.left-panel{flex:1;display:flex;flex-direction:column;gap:16px;min-width:0}.right-panel{width:420px;flex-shrink:0;display:flex;flex-direction:column;gap:16px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}.card-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}.card-title{font-size:13px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:8px}.card-body{padding:16px 18px}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .15s ease;text-decoration:none;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover);box-shadow:0 0 16px var(--accent-glow)}.btn-secondary{background:transparent;color:var(--text-dim);border-color:var(--border-light)}.btn-secondary:hover:not(:disabled){background:var(--bg-card-hover);color:var(--text);border-color:var(--border-light)}.btn-success{background:var(--success);color:#fff;border-color:var(--success)}.btn-success:hover:not(:disabled){filter:brightness(1.1)}.btn-warning{background:var(--warning);color:#000;border-color:var(--warning)}.btn-danger{background:transparent;color:var(--danger);border-color:var(--border-light)}.btn-danger:hover:not(:disabled){background:#ef44441a;border-color:var(--danger)}.btn-sm{padding:4px 10px;font-size:12px}.supplier-pills{display:flex;gap:8px}.supplier-pill{padding:6px 14px;border-radius:20px;border:2px solid transparent;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s;background:transparent;color:var(--text-muted)}.supplier-pill:hover{color:var(--text)}.supplier-pill.gordon{border-color:var(--gordon-dim)}.supplier-pill.gordon.active{border-color:var(--gordon);background:var(--gordon-dim);color:var(--gordon)}.supplier-pill.vp{border-color:var(--vp-dim)}.supplier-pill.vp.active{border-color:var(--vp);background:var(--vp-dim);color:var(--vp)}.supplier-pill.colabor{border-color:var(--colabor-dim)}.supplier-pill.colabor.active{border-color:var(--colabor);background:var(--colabor-dim);color:var(--colabor)}.upload-zone{border:2px dashed var(--border-light);border-radius:var(--radius);padding:24px;text-align:center;cursor:pointer;transition:all .2s;position:relative}.upload-zone:hover,.upload-zone.dragging{border-color:var(--accent);background:var(--accent-glow)}.upload-zone.error{border-color:var(--danger);background:#ef444412;cursor:default!important}.upload-zone input{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer;width:100%;height:100%}.upload-zone .upload-icon{font-size:28px;margin-bottom:8px}.upload-zone p{color:var(--text-dim);font-size:13px}.upload-zone strong{color:var(--text)}.table-wrapper{overflow-x:auto;overflow-y:auto;max-height:calc(100vh - 240px)}.products-table{width:100%;border-collapse:collapse;font-size:13px}.products-table th{padding:10px 12px;text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);border-bottom:1px solid var(--border);white-space:nowrap;position:sticky;top:0;background:var(--bg-card);z-index:2}.products-table td{padding:8px 12px;border-bottom:1px solid var(--border);vertical-align:middle}.products-table tbody tr{transition:background .1s;cursor:pointer}.products-table tbody tr:hover{background:var(--bg-card-hover)}.products-table tbody tr.selected{background:var(--accent-glow)}.products-table tbody tr.price-changed td:first-child{border-left:3px solid var(--warning)}.sku-badge{font-family:Courier New,monospace;font-size:11px;color:var(--text-muted);background:#ffffff08;padding:2px 6px;border-radius:4px;border:1px solid var(--border)}.price-cell{font-variant-numeric:tabular-nums;font-weight:500}.price-cell.changed{color:var(--warning)}.price-cell.up{color:var(--danger)}.price-cell.down{color:var(--success)}.input-cell{background:transparent;border:1px solid transparent;border-radius:6px;padding:4px 8px;font-size:13px;color:var(--text);width:90px;transition:all .15s;font-family:inherit;font-variant-numeric:tabular-nums}.input-cell:focus{outline:none;border-color:var(--accent);background:#6366f114}.stats-bar{display:flex;gap:12px;padding:12px 18px;border-bottom:1px solid var(--border);background:#ffffff04}.stat-item{display:flex;align-items:center;gap:8px;font-size:12px}.stat-num{font-size:20px;font-weight:700;color:var(--text);line-height:1}.stat-label{color:var(--text-muted)}.stat-divider{width:1px;background:var(--border);margin:0 4px}.history-empty{padding:32px 18px;text-align:center;color:var(--text-muted)}.history-empty .icon{font-size:32px;margin-bottom:8px}.history-empty p{font-size:13px}.history-sku{font-size:11px;color:var(--text-muted);font-family:monospace;margin-bottom:2px}.history-name{font-size:14px;font-weight:600;margin-bottom:14px;color:var(--text)}.chart-legend{display:flex;gap:14px;margin-bottom:12px;flex-wrap:wrap}.legend-item{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--text-dim)}.legend-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);max-width:640px;width:100%;max-height:80vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}.modal-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px}.modal-body{flex:1;overflow-y:auto;padding:16px 20px}.modal-footer{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}.change-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--warning-dim);border:1px solid rgba(245,158,11,.2);border-radius:var(--radius);margin-bottom:8px;gap:12px}.change-item-name{font-size:13px;font-weight:500;flex:1;min-width:0}.change-item-sku{font-size:11px;color:var(--text-muted);font-family:monospace}.change-prices{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;white-space:nowrap}.arrow-right{color:var(--text-muted);font-size:14px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:12px;font-size:11px;font-weight:600}.badge-warning{background:var(--warning-dim);color:var(--warning)}.badge-success{background:#10b9811a;color:var(--success)}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-bar{height:3px;background:linear-gradient(90deg,transparent,var(--accent),transparent);background-size:50% 100%;animation:shimmer 1.2s infinite}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.search-wrapper{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:10px;font-size:13px;pointer-events:none;opacity:.5}.search-input{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:7px 32px 7px 30px;font-size:13px;color:var(--text);width:240px;transition:all .15s;font-family:inherit}.search-input:focus{outline:none;border-color:var(--accent);background:#6366f10d}.search-input::placeholder{color:var(--text-muted)}.search-clear{position:absolute;right:8px;background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:12px;padding:2px 4px;border-radius:4px;line-height:1;transition:color .15s}.search-clear:hover{color:var(--text)}.supplier-filter-pills{display:flex;align-items:center;gap:6px;margin-left:auto}.supplier-pill-clear{padding:3px 10px;border-radius:20px;border:1px solid var(--border-light);font-size:11px;font-weight:500;cursor:pointer;background:transparent;color:var(--text-muted);transition:all .15s}.supplier-pill-clear:hover{color:var(--text);border-color:var(--text-muted)}.supplier-pill{padding:3px 10px;border-radius:20px;border:1px solid var(--border-light);font-size:11px;font-weight:500;cursor:pointer;background:transparent;color:var(--text-muted);transition:all .15s;display:flex;align-items:center;gap:4px}.supplier-pill:hover{border-color:var(--accent);color:var(--text)}.supplier-pill.active{background:var(--accent);border-color:var(--accent);color:#fff}.supplier-pill.active .pill-count{opacity:.8}.pill-count{font-size:10px;font-weight:400;opacity:.6}.empty-state{padding:72px 24px;text-align:center;color:var(--text-muted)}.empty-state .icon{font-size:48px;margin-bottom:12px}.empty-state h3{font-size:16px;font-weight:600;color:var(--text-dim);margin-bottom:6px}.empty-state p{font-size:13px;max-width:320px;margin:0 auto}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.import-ready{display:flex;flex-direction:column;gap:14px}.import-filename{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 12px;overflow:hidden}.import-filename-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.import-pill{background:#6366f11f;color:var(--accent);font-size:11px;font-weight:600;padding:2px 8px;border-radius:12px;white-space:nowrap}.import-supplier-status{display:flex;flex-direction:column;gap:6px}.import-supplier-row{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:8px;border:1px solid var(--border);font-size:13px;font-weight:500;transition:all .15s}.import-supplier-row.detected{border-color:#22c55e66;background:#22c55e0f;color:#22c55e}.import-supplier-row.wrong{border-color:#ef444433;background:#ef44440a;color:var(--text-muted)}.import-supplier-row.unknown{border-color:#eab3084d;background:#eab3080d;color:#eab308}.import-supplier-icon{font-size:16px;line-height:1}.import-supplier-name{font-size:13px;font-weight:600}.import-actions{display:flex;gap:8px}.import-actions .btn{flex:1;justify-content:center}select{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:7px 10px;font-size:13px;color:var(--text);font-family:inherit;cursor:pointer}select:focus{outline:none;border-color:var(--accent)}.toast{position:fixed;bottom:24px;right:24px;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);padding:12px 16px;font-size:13px;color:var(--text);box-shadow:var(--shadow);z-index:2000;display:flex;align-items:center;gap:8px;animation:slideIn .2s ease}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--danger)}@keyframes slideIn{0%{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}