:root{--bg-primary: #0f1117;--bg-secondary: #1a1d27;--bg-card: #1e2130;--bg-card-hover: #252838;--bg-input: #161822;--border-color: #2a2d3a;--border-hover: #3a3d4a;--text-primary: #e8eaed;--text-secondary: #9ca3af;--text-muted: #6b7280;--accent-blue: #3b82f6;--accent-blue-hover: #2563eb;--accent-green: #22c55e;--accent-red: #ef4444;--accent-amber: #f59e0b;--accent-orange: #f97316;--status-clear: #059669;--status-mismatch: #dc2626;--status-override: #d97706;--status-incomplete: #6b7280;--font-mono: "JetBrains Mono", "Fira Code", "SF Mono", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Inter,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-brand{padding:20px;border-bottom:1px solid var(--border-color)}.sidebar-brand h1{font-size:18px;font-weight:700;letter-spacing:-.5px}.sidebar-brand span{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1.5px;display:block;margin-top:2px}.sidebar-nav{flex:1;padding:12px;display:flex;flex-direction:column;gap:2px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:6px;color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:all .15s}.sidebar-link:hover{background:var(--bg-card);color:var(--text-primary)}.sidebar-link.active{background:var(--accent-blue);color:#fff}.sidebar-link svg{width:18px;height:18px;flex-shrink:0}.sidebar-user{padding:16px;border-top:1px solid var(--border-color);display:flex;align-items:center;gap:10px}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-role{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.main-content{flex:1;margin-left:240px;padding:24px 32px;min-height:100vh}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h2{font-size:24px;font-weight:700}.btn{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;text-decoration:none}.btn-primary{background:var(--accent-blue);color:#fff}.btn-primary:hover{background:var(--accent-blue-hover)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.btn-danger{background:var(--accent-red);color:#fff}.btn-sm{padding:5px 10px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;overflow:hidden;transition:all .15s}.card:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.card-clickable{cursor:pointer}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:12px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-clear{background:#05966926;color:var(--status-clear);border:1px solid rgba(5,150,105,.3)}.badge-mismatch{background:#dc262626;color:var(--status-mismatch);border:1px solid rgba(220,38,38,.3)}.badge-override{background:#d9770626;color:var(--status-override);border:1px solid rgba(217,119,6,.3)}.badge-incomplete{background:#6b728026;color:var(--status-incomplete);border:1px solid rgba(107,114,128,.3)}.input,.select,.textarea{background:var(--bg-input);border:1px solid var(--border-color);border-radius:6px;padding:8px 12px;font-size:14px;color:var(--text-primary);width:100%;transition:border-color .15s}.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--accent-blue)}.input::placeholder{color:var(--text-muted)}.filter-bar{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap;align-items:center}.filter-bar .input,.filter-bar .select{width:auto;min-width:180px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.po-card{padding:16px}.po-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.po-card-customer{font-size:13px;color:var(--text-secondary);font-weight:500}.po-card-number{font-size:18px;font-weight:700;font-family:var(--font-mono);margin-top:2px}.po-card-meta{display:flex;gap:16px;margin-top:12px;font-size:12px;color:var(--text-muted)}.po-card-meta span{display:flex;align-items:center;gap:4px}.po-card-unresolved{border-left:3px solid var(--accent-red)}.po-card-date-warning{border-left:3px solid var(--accent-amber)}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{background:var(--bg-secondary);padding:10px 12px;text-align:left;font-weight:600;color:var(--text-secondary);font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border-color)}.data-table td{padding:10px 12px;border-bottom:1px solid var(--border-color)}.data-table tr:hover td{background:var(--bg-card-hover)}.po-line-row{transition:background .1s}.po-line-row[style*=pointer]:hover td{background:#3b82f614}.field-match{color:var(--accent-green)}.field-mismatch{color:var(--accent-red);font-weight:600}.field-warning{color:var(--accent-amber);font-weight:600}.badge-warning{background:#f59e0b26;color:var(--accent-amber);border:1px solid rgba(245,158,11,.3)}.upload-zone{border:2px dashed var(--border-color);border-radius:12px;padding:48px;text-align:center;cursor:pointer;transition:all .2s;background:var(--bg-card)}.upload-zone:hover,.upload-zone.drag-over{border-color:var(--accent-blue);background:#3b82f60d}.upload-zone-icon{width:48px;height:48px;margin:0 auto 16px;color:var(--text-muted)}.upload-zone-text{font-size:16px;color:var(--text-secondary);margin-bottom:4px}.upload-zone-hint{font-size:13px;color:var(--text-muted)}.upload-files-list{margin-top:16px;display:flex;flex-direction:column;gap:8px}.upload-file-item{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:6px;font-size:13px}.upload-progress{margin-top:20px;padding:16px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px}.progress-bar{height:4px;background:var(--bg-secondary);border-radius:2px;overflow:hidden;margin-top:8px}.progress-bar-fill{height:100%;background:var(--accent-blue);border-radius:2px;transition:width .3s}.detail-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px}.detail-title{display:flex;align-items:center;gap:12px}.detail-title h2{font-family:var(--font-mono)}.detail-actions{display:flex;gap:8px}.detail-section{margin-bottom:24px}.detail-section h3{font-size:16px;font-weight:600;color:var(--text-secondary);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:24px;width:480px;max-width:90vw}.modal h3{font-size:18px;margin-bottom:16px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:40px;width:400px;max-width:90vw}.login-card h1{font-size:24px;font-weight:700;margin-bottom:4px}.login-card .subtitle{color:var(--text-muted);font-size:14px;margin-bottom:24px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.error-message{color:var(--accent-red);font-size:13px;margin-top:8px}.admin-table-wrap{background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;overflow:hidden}.audit-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--border-color);font-size:13px}.audit-time{color:var(--text-muted);font-family:var(--font-mono);font-size:12px;white-space:nowrap}.audit-action{font-weight:600;color:var(--text-secondary)}.empty-state{text-align:center;padding:48px;color:var(--text-muted)}.empty-state svg{width:48px;height:48px;margin-bottom:12px;opacity:.5}.loading{display:flex;align-items:center;justify-content:center;padding:48px}.spinner{width:32px;height:32px;border:3px solid var(--border-color);border-top-color:var(--accent-blue);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:16px;right:16px;z-index:2000;display:flex;flex-direction:column;gap:8px}.toast{padding:12px 16px;border-radius:8px;font-size:14px;animation:slide-in .2s ease;max-width:400px}.toast-success{background:#059669e6;color:#fff}.toast-error{background:#dc2626e6;color:#fff}@keyframes slide-in{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.tab-bar{display:flex;gap:0;border-bottom:1px solid var(--border-color);margin-bottom:20px}.tab{padding:10px 20px;font-size:14px;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;transition:all .15s;background:none;border-top:none;border-left:none;border-right:none}.tab:hover{color:var(--text-secondary)}.tab.active{color:var(--accent-blue);border-bottom-color:var(--accent-blue)}