:root{--bg-app: #090d16;--bg-card: rgba(20, 27, 45, .75);--bg-card-hover: rgba(30, 41, 65, .85);--border-color: rgba(255, 255, 255, .08);--border-color-hover: rgba(255, 255, 255, .15);--primary: #10b981;--primary-glow: rgba(16, 185, 129, .15);--primary-hover: #34d399;--accent: #06b6d4;--accent-glow: rgba(6, 182, 212, .15);--text-main: #f8fafc;--text-muted: #94a3b8;--text-dark: #64748b;--shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, .5);--shadow-md: 0 8px 24px -4px rgba(0, 0, 0, .6);--shadow-lg: 0 16px 32px -8px rgba(0, 0, 0, .8);--font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display: "Outfit", var(--font-sans);--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;background-image:radial-gradient(at 0% 0%,rgba(16,185,129,.05) 0px,transparent 50%),radial-gradient(at 100% 0%,rgba(6,182,212,.05) 0px,transparent 50%),radial-gradient(at 50% 100%,rgba(15,23,42,.95) 0px,var(--bg-app) 100%);background-attachment:fixed}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0003;border-radius:4px}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:4px;transition:var(--transition-fast)}::-webkit-scrollbar-thumb:hover{background:#ffffff4d}.app-container{max-width:1400px;width:100%;margin:0 auto;padding:24px;display:flex;flex-direction:column;gap:24px;flex:1}.app-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px;box-shadow:var(--shadow-sm)}.logo-area{display:flex;align-items:center;gap:16px}.logo-icon{width:36px;height:36px;color:var(--primary);filter:drop-shadow(0 0 8px var(--primary-glow))}.logo-text h1{font-family:var(--font-display);font-size:1.25rem;font-weight:700;letter-spacing:-.025em;background:linear-gradient(135deg,var(--text-main) 30%,var(--text-muted) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.logo-text p{font-size:.85rem;color:var(--text-muted)}.theme-badge{font-size:.75rem;font-weight:600;padding:6px 12px;border-radius:99px;background:#10b9811a;color:var(--primary);border:1px solid rgba(16,185,129,.2);text-transform:uppercase;letter-spacing:.05em}.app-main{display:flex;flex-direction:column;gap:24px;flex:1}.upload-section{width:100%}.drop-zone{position:relative;border:2px dashed rgba(255,255,255,.15);border-radius:16px;background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:40px 20px;text-align:center;cursor:pointer;transition:var(--transition-normal);overflow:hidden;box-shadow:var(--shadow-sm)}.drop-zone:hover,.drop-zone.dragover{border-color:var(--primary);background:var(--bg-card-hover);box-shadow:0 0 20px var(--primary-glow);transform:translateY(-2px)}.file-input{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:12px}.icon-circle{width:60px;height:60px;border-radius:50%;background:#ffffff08;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:var(--transition-normal);border:1px solid var(--border-color)}.drop-zone:hover .icon-circle,.drop-zone.dragover .icon-circle{background:var(--primary-glow);color:var(--primary);border-color:#10b9814d;transform:scale(1.05)}.icon-circle svg{width:28px;height:28px}.drop-zone-content h3{font-family:var(--font-display);font-size:1.1rem;font-weight:600;color:var(--text-main)}.drop-zone-content p{font-size:.9rem;color:var(--text-muted)}.file-limits{font-size:.75rem;color:var(--text-dark);background:#ffffff05;padding:4px 10px;border-radius:6px;border:1px solid var(--border-color)}.workspace{opacity:1;transition:opacity var(--transition-normal)}.workspace.hidden{display:none;opacity:0}.workspace-grid{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start}@media (max-width: 900px){.workspace-grid{grid-template-columns:1fr}}.sidebar-panel{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-md);position:sticky;top:24px}.panel-header{padding:16px 20px;border-bottom:1px solid var(--border-color)}.panel-header h2{font-family:var(--font-display);font-size:1rem;font-weight:600;color:var(--text-main)}.file-list{display:flex;flex-direction:column;padding:12px;gap:8px;max-height:500px;overflow-y:auto}.file-item{display:flex;flex-direction:column;align-items:stretch;padding:12px 14px;border-radius:10px;background:#ffffff05;border:1px solid var(--border-color);cursor:pointer;transition:var(--transition-fast);gap:8px}.file-item:hover{background:#ffffff0d;border-color:var(--border-color-hover)}.file-item.active{background:#10b9810d;border-color:#10b98159;box-shadow:inset 0 0 12px #10b9810d}.file-item-header{display:flex;justify-content:space-between;align-items:center;gap:8px}.file-item-name{font-size:.85rem;font-weight:600;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;color:var(--text-main);flex-grow:1}.file-item-meta{display:flex;align-items:center;justify-content:space-between;gap:8px}.source-badge{font-size:.7rem;font-weight:600;padding:2px 8px;border-radius:4px;text-transform:uppercase}.badge-shopee{background:#ff57221f;color:#ff7043;border:1px solid rgba(255,87,34,.25)}.badge-pos{background:#9c27b01f;color:#ba68c8;border:1px solid rgba(156,39,176,.25)}.badge-line{background:#00c3001f;color:#26d026;border:1px solid rgba(0,195,0,.25)}.badge-other{background:#94a3b81f;color:#94a3b8;border:1px solid rgba(148,163,184,.25)}.file-item-size{font-size:.72rem;color:var(--text-dark)}.file-item-cols{font-size:.72rem;background:#0003;border-radius:6px;padding:6px 8px;display:flex;flex-direction:column;gap:3px;border:1px solid rgba(255,255,255,.03)}.cols-title{color:var(--text-dark);font-weight:500}.cols-list{color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.delete-btn{background:transparent;border:none;color:var(--text-dark);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:var(--transition-fast)}.delete-btn:hover{color:#ef4444;background:#ef44441a}.delete-btn svg{width:15px;height:15px}.viewer-panel{background:var(--bg-card);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:16px;box-shadow:var(--shadow-lg);min-height:500px;display:flex;flex-direction:column;overflow:hidden}.empty-viewer{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:16px;padding:40px;color:var(--text-muted)}.empty-viewer.hidden{display:none}.empty-icon-wrapper{color:var(--text-dark);opacity:.5}.empty-icon-wrapper svg{width:48px;height:48px}.active-file-viewer{display:flex;flex-direction:column;flex:1;opacity:1;transition:opacity var(--transition-normal)}.active-file-viewer.hidden{display:none;opacity:0}.viewer-header{padding:24px;border-bottom:1px solid var(--border-color);display:flex;flex-direction:column;gap:16px}.file-meta-info h2{font-family:var(--font-display);font-size:1.35rem;font-weight:600;margin-bottom:8px;color:var(--text-main);word-break:break-all}.meta-pills{display:flex;flex-wrap:wrap;gap:8px}.pill{font-size:.75rem;font-weight:500;padding:4px 10px;border-radius:6px;background:#ffffff0a;border:1px solid var(--border-color);color:var(--text-muted)}.pill.primary{background:var(--primary-glow);border-color:#10b98133;color:var(--primary)}.sheet-tabs-container{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.sheet-label{font-size:.85rem;font-weight:600;color:var(--text-muted)}.sheet-tabs{display:flex;gap:8px;flex-wrap:wrap}.sheet-tab{background:#ffffff08;border:1px solid var(--border-color);color:var(--text-muted);font-size:.8rem;font-weight:500;padding:6px 12px;border-radius:8px;cursor:pointer;transition:var(--transition-fast)}.sheet-tab:hover{background:#ffffff0f;color:var(--text-main)}.sheet-tab.active{background:var(--primary-glow);color:var(--primary);border-color:#10b98166}.columns-inspector-card{margin:0 24px 20px;background:#ffffff03;border:1px solid var(--border-color);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:12px}.card-header{display:flex;justify-content:space-between;align-items:center}.card-title{display:flex;align-items:center;gap:8px;color:var(--text-main)}.card-title svg{width:18px;height:18px;color:var(--accent)}.card-title h3{font-size:.9rem;font-weight:600}.column-count{font-size:.75rem;color:var(--text-dark)}.columns-container{display:flex;flex-wrap:wrap;gap:8px;max-height:120px;overflow-y:auto;padding-right:4px}.column-chip{font-size:.75rem;background:#06b6d414;border:1px solid rgba(6,182,212,.15);color:var(--accent);padding:4px 8px;border-radius:6px;display:flex;align-items:center;gap:6px;transition:var(--transition-fast)}.column-chip:hover{background:#06b6d426;border-color:#06b6d44d;transform:scale(1.02)}.column-chip .col-idx{background:#0003;color:var(--text-dark);font-family:monospace;padding:1px 4px;border-radius:3px;font-size:.7rem}.table-toolbar{padding:0 24px 16px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}.search-box{position:relative;flex:1;max-width:400px;min-width:250px}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-dark);pointer-events:none}.search-box input{width:100%;padding:10px 36px;background:#ffffff05;border:1px solid var(--border-color);border-radius:8px;color:var(--text-main);font-size:.85rem;transition:var(--transition-fast)}.search-box input:focus{outline:none;background:#ffffff0d;border-color:var(--primary);box-shadow:0 0 10px var(--primary-glow)}.clear-search{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:transparent;border:none;color:var(--text-muted);font-size:1.2rem;cursor:pointer;padding:0 4px}.clear-search.hidden{display:none}.toolbar-actions{display:flex;align-items:center;gap:12px}.pagination-size{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--text-muted)}.pagination-size select{background:#ffffff08;border:1px solid var(--border-color);color:var(--text-main);padding:6px 12px;border-radius:8px;outline:none;cursor:pointer}.pagination-size select:focus{border-color:var(--primary)}.table-container{overflow-x:auto;flex:1;border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color);background:#0000001a;max-height:480px;position:relative}table{width:100%;border-collapse:separate;border-spacing:0;text-align:left;font-size:.85rem}th{background:#0f1626;color:var(--text-main);font-weight:600;padding:12px 16px;position:sticky;top:0;z-index:10;border-bottom:2px solid var(--border-color);box-shadow:0 1px #ffffff0d}td{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.04);color:var(--text-muted);white-space:nowrap;max-width:300px;overflow:hidden;text-overflow:ellipsis}tr:hover td{background:#ffffff05;color:var(--text-main)}tr:last-child td{border-bottom:none}.table-footer{padding:16px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:.8rem;color:var(--text-muted)}.pagination-controls{display:flex;align-items:center;gap:12px}.btn{background:#ffffff08;border:1px solid var(--border-color);color:var(--text-main);font-size:.8rem;padding:6px 16px;border-radius:8px;cursor:pointer;transition:var(--transition-fast);font-weight:500}.btn:hover:not(:disabled){background:#ffffff0f;border-color:var(--border-color-hover)}.btn:disabled{opacity:.4;cursor:not-allowed}.page-numbers{display:flex;align-items:center;gap:6px}.page-num{width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;background:transparent;border:1px solid transparent;transition:var(--transition-fast)}.page-num:hover:not(.active){background:#ffffff08;border-color:var(--border-color)}.page-num.active{background:var(--primary);color:#000;font-weight:600}.hidden{display:none!important}.column-chip.active-highlight{background:var(--accent)!important;color:#000!important;border-color:var(--accent)!important}.column-chip.active-highlight .col-idx{background:#00000040!important;color:#000!important;font-weight:600}th.highlight-column{background:#0d2238!important;border-bottom:2px solid var(--accent)!important}td.highlight-column{background:#06b6d414!important;color:var(--text-main)!important;font-weight:500}.col-mapping{font-size:.68rem;color:var(--text-dark);margin-left:4px}.column-chip.active-highlight .col-mapping{color:#0000008c}.noise-column-chip{background:#ef444408!important;border-color:#ef444426!important;color:var(--text-dark)!important;cursor:not-allowed}.combined-item{background:linear-gradient(135deg,#06b6d40f,#141b2dbf)!important;border-left:3px solid var(--accent)!important}.combined-item:hover{background:linear-gradient(135deg,#06b6d41a,#1e2941d9)!important;border-color:#06b6d44d!important}.combined-item.active{background:linear-gradient(135deg,#06b6d41f,#10b98114)!important;border-color:#06b6d466!important;border-left:3px solid var(--accent)!important}