:root{--color-primary: #1a73e8;--color-primary-dark: #1557b0;--color-primary-light: #e8f0fe;--color-success: #0d904f;--color-warning: #e37400;--color-danger: #d93025;--color-info: #1a73e8;--color-bg: #f8f9fa;--color-surface: #ffffff;--color-border: #dadce0;--color-text: #202124;--color-text-secondary: #5f6368;--color-text-light: #80868b;--panel-header-height: 48px;--topbar-height: 52px;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,sans-serif;font-size:14px;color:var(--color-text)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--color-bg);overflow:hidden;height:100vh}#root{height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#a1a1a1}.btn{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;border:1px solid var(--color-border);border-radius:4px;background:var(--color-surface);color:var(--color-text);font-size:13px;cursor:pointer;transition:background .15s,box-shadow .15s}.btn:hover{background:#f1f3f4}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.btn-primary:hover{background:var(--color-primary-dark)}.btn-success{background:var(--color-success);color:#fff;border-color:var(--color-success)}.btn-danger{background:var(--color-danger);color:#fff;border-color:var(--color-danger)}.btn-sm{padding:3px 10px;font-size:12px}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-draft{background:#e8eaed;color:#5f6368}.badge-verification{background:#e8f0fe;color:#1a73e8}.badge-procurement{background:#fef7e0;color:#e37400}.badge-archived{background:#e8eaed;color:#5f6368}.badge-ordered{background:#fef7e0;color:#e37400}.badge-delivered{background:#e6f4ea;color:#137333}.badge-received{background:#e8f0fe;color:#1a73e8}.badge-pending{background:#fef7e0;color:#e37400}.badge-confirmed{background:#e6f4ea;color:#137333}.badge-in_transit{background:#e8f0fe;color:#1a73e8}.badge-for_quotation{background:#f3e8fd;color:#7c3aed}.badge-partially_delivered{background:#fff3cd;color:#856404}.badge-for_billing{background:#fce8e6;color:#d93025}.badge-billed{background:#e3f2fd;color:#1565c0}.form-group{margin-bottom:12px}.form-group label{display:block;font-size:12px;font-weight:500;color:var(--color-text-secondary);margin-bottom:4px}.form-control{width:100%;padding:8px 10px;border:1px solid var(--color-border);border-radius:4px;font-size:13px;outline:none;transition:border-color .15s}.form-control:focus{border-color:var(--color-primary)}select.form-control{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}textarea.form-control{resize:vertical;min-height:60px}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{background:#f8f9fa;border-bottom:2px solid var(--color-border);padding:8px 10px;text-align:left;font-weight:600;font-size:12px;color:var(--color-text-secondary);text-transform:uppercase;position:sticky;top:0;z-index:1}.data-table td{padding:6px 10px;border-bottom:1px solid #f1f3f4}.data-table tr:hover td{background:#f8f9fa}.topbar{height:var(--topbar-height);background:var(--color-primary);color:#fff;display:flex;align-items:center;padding:0 20px;gap:20px;flex-shrink:0}.topbar h1{font-size:16px;font-weight:600}.topbar-nav{display:flex;gap:4px;margin-left:auto}.topbar-nav button{background:transparent;border:none;color:#fffc;padding:6px 14px;border-radius:4px;cursor:pointer;font-size:13px}.topbar-nav button:hover{background:#ffffff26;color:#fff}.topbar-user{display:flex;align-items:center;gap:8px;color:#ffffffe6;font-size:13px}.app-layout{display:flex;flex:1;overflow:hidden}.left-panel{width:300px;min-width:10vw;max-width:80vw;border-right:1px solid var(--color-border);background:var(--color-surface);display:flex;flex-direction:column;overflow:hidden;flex-shrink:0}.center-panel{flex:1;background:var(--color-bg);display:flex;flex-direction:column;overflow:hidden;min-width:10vw}.right-panel{width:340px;min-width:10vw;max-width:80vw;border-left:1px solid var(--color-border);background:var(--color-surface);display:flex;flex-direction:column;overflow:hidden;flex-shrink:0}.bidform-panel{width:400px;min-width:10vw;max-width:80vw;border-left:1px solid var(--color-border);background:var(--color-bg);display:flex;flex-direction:column;overflow:hidden;flex-shrink:0}.resize-handle{width:6px;cursor:col-resize;background:transparent;flex-shrink:0;position:relative;z-index:10;transition:background .15s;margin:0 -2px}.resize-handle:hover,.resize-handle.dragging{background:var(--color-primary);opacity:.6}.panel-header{height:var(--panel-header-height);display:flex;align-items:center;padding:0 14px;border-bottom:1px solid var(--color-border);font-weight:600;font-size:13px;flex-shrink:0;gap:10px;background:var(--color-surface)}.panel-body{flex:1;overflow:auto;padding:10px}.tab-bar{display:flex;border-bottom:1px solid var(--color-border);flex-shrink:0}.tab-bar button{flex:1;padding:10px 14px;border:none;background:transparent;font-size:13px;font-weight:500;color:var(--color-text-secondary);cursor:pointer;border-bottom:2px solid transparent;transition:all .15s}.tab-bar button.active{color:var(--color-primary);border-bottom-color:var(--color-primary);font-weight:600}.tab-bar button:hover{background:var(--color-primary-light)}.request-list-item{padding:10px 14px;border-bottom:1px solid #f1f3f4;cursor:pointer;transition:background .1s}.request-list-item:hover{background:#f8f9fa}.request-list-item.selected{background:var(--color-primary-light);border-left:3px solid var(--color-primary)}.request-list-item .req-number{font-weight:600;font-size:13px}.request-list-item .req-meta{font-size:12px;color:var(--color-text-secondary);margin-top:2px}.panel-search{padding:8px 10px;border-bottom:1px solid var(--color-border);flex-shrink:0}.panel-search input{width:100%;padding:6px 10px;border:1px solid var(--color-border);border-radius:4px;font-size:13px;outline:none}.panel-search input:focus{border-color:var(--color-primary)}.file-item{display:flex;align-items:center;gap:10px;padding:8px 14px;border-bottom:1px solid #f1f3f4;cursor:pointer;transition:background .1s}.file-item:hover{background:#f8f9fa}.file-item.selected{background:var(--color-primary-light)}.file-item .file-icon{font-size:20px;flex-shrink:0}.file-item .file-info{flex:1;min-width:0}.file-item .file-name{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-item .file-meta{font-size:11px;color:var(--color-text-light)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--color-text-light);gap:10px}.empty-state .icon{font-size:48px;opacity:.4}.empty-state .text{font-size:14px}.file-viewer{flex:1;display:flex;flex-direction:column;overflow:hidden}.file-viewer-header{padding:8px 14px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;gap:10px;background:var(--color-surface);flex-shrink:0}.file-viewer-body{flex:1;overflow:auto;display:flex;align-items:flex-start;justify-content:center;padding:20px}.file-viewer-body img{max-width:100%;max-height:100%;object-fit:contain}.file-viewer-body .excel-table-wrapper{width:100%;overflow:auto}.detail-section{margin-bottom:16px}.detail-section h3{font-size:12px;text-transform:uppercase;color:var(--color-text-secondary);margin-bottom:8px;letter-spacing:.5px}.detail-row{display:flex;padding:4px 0;font-size:13px}.detail-row .label{width:110px;flex-shrink:0;color:var(--color-text-secondary);font-size:12px}.detail-row .value{flex:1}.login-page{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--color-bg)}.login-card{background:var(--color-surface);padding:40px;border-radius:8px;box-shadow:0 1px 3px #0000001f,0 1px 2px #00000014;width:380px}.login-card h2{text-align:center;margin-bottom:24px;color:var(--color-primary)}.login-card .error-msg{background:#fce8e6;color:var(--color-danger);padding:8px 12px;border-radius:4px;margin-bottom:12px;font-size:13px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--color-surface);border-radius:8px;box-shadow:0 4px 20px #0003;max-width:700px;max-height:80vh;width:90%;display:flex;flex-direction:column}.modal-header{padding:16px 20px;border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;font-weight:600}.modal-body{padding:20px;overflow-y:auto;flex:1}.modal-footer{padding:12px 20px;border-top:1px solid var(--color-border);display:flex;justify-content:flex-end;gap:8px}.action-bar{display:flex;gap:6px;padding:8px 0;flex-wrap:wrap}.breadcrumb-tooltip-wrap{position:relative}.breadcrumb-tooltip{position:fixed;transform:translate(-50%) translateY(-100%);background:#202124;color:#e8eaed;font-size:11px;font-weight:500;padding:5px 10px;border-radius:6px;white-space:nowrap;z-index:99999;pointer-events:auto;cursor:pointer;box-shadow:0 2px 8px #0000004d;letter-spacing:.2px;-webkit-user-select:all;user-select:all;animation:breadcrumb-fadein .15s ease}.breadcrumb-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-top-color:#202124}.breadcrumb-tooltip:hover{background:#3c4043}.breadcrumb-tooltip:active{background:#1a73e8;color:#fff}@keyframes breadcrumb-fadein{0%{opacity:0;transform:translate(-50%) translateY(calc(-100% + 4px))}to{opacity:1;transform:translate(-50%) translateY(-100%)}}