*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6;background-color:#fff;color:#333;overflow-x:hidden}#root{min-height:100vh}.app{display:flex;min-height:100vh;max-width:100vw;overflow-x:hidden}.sidebar{width:224px;height:100vh;position:fixed;top:0;left:0;z-index:50;background:#fff;border-right:1px solid #e9ecef;transition:width .3s ease;display:flex;flex-direction:column;overflow:hidden}.sidebar.collapsed{width:72px}.sidebar-logo-container{padding:24px 24px 16px;flex-shrink:0}.sidebar-logo{width:140px;height:auto}.sidebar.collapsed .sidebar-logo-container{padding:16px;display:flex;justify-content:center}.sidebar-nav-label{position:absolute;top:100px;left:24px;font-family:Inter,sans-serif;font-size:14px;font-weight:700;color:#000;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}.sidebar.collapsed .sidebar-nav-label{display:none}.sidebar-nav{position:absolute;top:132px;left:0;right:0;display:flex;flex-direction:column}.sidebar-nav-item{display:flex;align-items:center;gap:12px;height:32px;margin-bottom:12px;margin-left:24px;margin-right:0;padding:0 16px 0 0;background:none;border:none;cursor:pointer;font-family:Inter,sans-serif;font-size:14px;font-weight:700;color:#333;text-decoration:none;position:relative;transition:all .2s ease;white-space:nowrap}.sidebar-nav-item:hover{color:#667eea}.sidebar-nav-item.active,.sidebar-nav-item.active:hover{color:#4567f6}.sidebar-nav-item-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-active-indicator{position:absolute;right:0;top:50%;transform:translateY(-50%);width:8px;height:27px;border-radius:2px;background:#4567f6}.sidebar.collapsed .sidebar-nav-item{margin-left:0;justify-content:center;padding-right:0}.sidebar.collapsed .sidebar-nav-item-text{display:none}.sidebar-bottom{position:absolute;bottom:0;left:0;right:0;padding:16px 24px;display:flex;flex-direction:column;gap:16px}.sidebar-collapse-btn{background:none;border:none;cursor:pointer;font-family:Inter,sans-serif;font-size:12px;font-weight:400;color:#000;text-align:left;padding:4px 0;transition:color .2s ease;display:flex;align-items:center;gap:8px}.sidebar-collapse-btn:hover{color:#4567f6}.sidebar-fennec{display:flex;align-items:center;gap:8px;padding-bottom:8px}.sidebar-fennec-logo{width:32px;height:32px;flex-shrink:0;border-radius:8px;background:#f1f5f9;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#4567f6}.sidebar-fennec-text{font-family:Inter,sans-serif;font-size:12px;font-weight:400;color:#000}.sidebar.collapsed .sidebar-bottom{padding:16px 8px;align-items:center}.sidebar.collapsed .sidebar-fennec-text,.sidebar.collapsed .sidebar-collapse-btn span{display:none}.top-bar{height:48px;position:fixed;top:0;left:224px;right:0;z-index:100;background:#fff;border-bottom:1px solid #B3B3B3;padding:0 24px;display:flex;align-items:center;justify-content:space-between;transition:left .3s ease}.top-bar.sidebar-collapsed{left:72px}.top-bar-title{font-size:14px;font-weight:800;color:#000}.top-bar-right{display:flex;align-items:center;gap:16px}.top-bar-user{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:8px;cursor:pointer;transition:background .2s ease}.top-bar-user:hover{background:#f8f9fa}.top-bar-avatar{width:32px;height:32px;border-radius:50%;background:#ededed;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;color:#333}.top-bar-user-name{font-size:15px;font-weight:400;color:#333}.top-bar-help{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:none;border:none;cursor:pointer;color:#666;border-radius:50%;transition:all .2s ease}.top-bar-help:hover{transform:scale(1.1);color:#333}.main-content-wrapper{flex:1;display:flex;flex-direction:column;margin-left:224px;padding-top:48px;transition:margin-left .3s ease;min-height:100vh;overflow:hidden}.main-content-wrapper.collapsed{margin-left:72px}.plan-hub{padding:32px 16px 32px 32px;overflow-y:auto;flex:1}.plan-hub-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:32px;max-width:1500px}.plan-hub-title{font-size:28px;font-weight:700;color:#000;line-height:1.2}.plan-hub-subtitle{font-size:14px;color:#666;margin-top:4px}.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,360px);gap:20px;max-width:1500px}.plan-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:20px;cursor:pointer;transition:all .3s ease;max-width:360px;overflow:hidden}.plan-card:hover{border-color:#4567f6;box-shadow:0 8px 24px #4567f61f;transform:translateY(-2px)}.plan-card-icon{width:48px;height:48px;border-radius:12px;background:#dbeafe;display:flex;align-items:center;justify-content:center;color:#4567f6;margin-bottom:16px}.plan-card-name{font-size:16px;font-weight:600;color:#1e293b;margin-bottom:8px}.plan-card-desc{font-size:14px;color:#666;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.plan-card-actions{display:flex;justify-content:flex-end;margin-top:12px;opacity:0;transition:opacity .2s ease}.plan-card:hover .plan-card-actions{opacity:1}.plan-card-delete-btn{background:none;border:none;cursor:pointer;padding:4px 8px;border-radius:6px;color:#64748b;display:flex;align-items:center;gap:4px;font-size:12px;font-weight:500;font-family:Inter,sans-serif;transition:all .2s ease}.plan-card-delete-btn:hover{color:#ef4444;background:#fee2e2}.workbench{flex:1;display:flex;flex-direction:column;overflow:hidden}.workbench-header{height:56px;display:flex;align-items:center;justify-content:space-between;padding:0 24px;border-bottom:1px solid #e2e8f0;background:#fff;flex-shrink:0}.workbench-back-btn{color:#4567f6;font-size:14px;font-weight:500;background:none;border:none;padding:8px 0;cursor:pointer;display:flex;align-items:center;gap:6px;font-family:Inter,sans-serif;transition:color .2s ease}.workbench-back-btn:hover{color:#2a4fd6}.workbench-actions{display:flex;align-items:center;gap:12px}.workbench-save-indicator{font-size:12px;font-weight:500;color:#64748b;display:flex;align-items:center;gap:6px}.workbench-save-indicator.saving{color:#4567f6;animation:pulse-opacity 1.5s ease-in-out infinite}.workbench-delete-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;border:1px solid #e2e8f0;background:#fff;color:#ef4444;font-size:14px;font-weight:600;font-family:Inter,sans-serif;cursor:pointer;transition:all .2s ease}.workbench-delete-btn:hover{background:#fee2e2;border-color:#fecaca}@keyframes pulse-opacity{0%,to{opacity:1}50%{opacity:.5}}.workbench-body{flex:1;overflow-y:auto;overflow-x:hidden;padding:32px;min-width:0}.workbench-content{max-width:1200px;padding-bottom:200px}.workbench-title-input{font-size:28px;font-weight:700;color:#000;border:none;outline:none;width:100%;background:transparent;font-family:Inter,sans-serif;margin-bottom:8px}.workbench-desc-input{font-size:14px;color:#666;border:none;outline:none;width:100%;background:transparent;font-family:Inter,sans-serif;resize:none;line-height:1.6;margin-bottom:32px;overflow:hidden}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-family:Inter,sans-serif;transition:all .2s ease;white-space:nowrap}.btn:active{transform:translateY(-1px)}.btn-primary{background:#4567f6;color:#fff;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:600}.btn-primary:hover{background:#3451d1}.btn-primary-sm{background:#4567f6;color:#fff;padding:8px 16px;border-radius:8px;font-size:14px;font-weight:600}.btn-primary-sm:hover{background:#3451d1}.btn-secondary{background:#f1f5f9;color:#475569;padding:12px 24px;border:1px solid #e2e8f0;border-radius:8px;font-size:14px;font-weight:600}.btn-secondary:hover{background:#e2e8f0}.btn-icon{background:none;border:none;padding:4px;cursor:pointer;color:#64748b;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.btn-icon:hover{color:#333;background:#f1f5f9}.btn-icon.danger:hover{color:#ef4444;background:#fee2e2}.block-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;margin-bottom:20px;transition:all .3s ease;overflow:hidden}.block-card:hover{box-shadow:0 2px 8px #0000001a}.block-card.drop-top{border-top:3px solid #4567F6}.block-card.drop-bottom{border-bottom:3px solid #4567F6}.block-card-header{padding:16px 20px;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;justify-content:space-between;background:#f8fafc}.block-card-header-left{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.block-card-title-input{font-size:16px;font-weight:600;color:#1e293b;background:transparent;border:none;outline:none;flex:1;font-family:Inter,sans-serif;min-width:0}.block-card-body{padding:20px}.block-card-footer{padding:16px 20px;border-top:1px solid #e2e8f0;background:#f8fafc;position:relative;transition:background .15s,border-color .15s}.block-card-footer.req-drop-active{background:#eff6ff;border-color:#4567f6;outline:2px dashed #4567F6;outline-offset:-2px;border-radius:0 0 8px 8px}.folder-block{margin-bottom:24px;margin-top:16px;border-left:2px solid #e2e8f0;padding-left:24px;transition:all .2s ease}.folder-block:hover{border-left-color:#4567f6}.folder-block.drop-top{border-top:3px solid #4567F6;padding-top:12px}.folder-block.drop-bottom{border-bottom:3px solid #4567F6;padding-bottom:12px}.folder-block-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}.folder-block-header-left{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.folder-block-title-input{font-size:20px;font-weight:600;color:#2c3e50;background:transparent;border:none;outline:none;flex:1;font-family:Inter,sans-serif;min-width:0}.folder-block-children{display:flex;flex-direction:column;gap:12px}.folder-block-empty{padding:24px;border:1px dashed #e2e8f0;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#64748b;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.3px;transition:border-color .2s ease}.folder-block-empty:hover{border-color:#4567f6}.step-row{display:flex;gap:16px;align-items:stretch;padding-bottom:16px;border-bottom:1px solid #f1f5f9}.step-row:last-child{border-bottom:none;padding-bottom:0}.step-number{width:24px;padding-top:28px;font-size:12px;font-weight:600;color:#64748b;flex-shrink:0;text-align:center}.step-fields{flex:1;display:flex;gap:16px}.step-field{flex:1;display:flex;flex-direction:column;gap:4px}.step-field-label{font-size:11px;font-weight:600;color:#333;text-transform:uppercase;letter-spacing:.3px;display:flex;align-items:center;gap:6px}.step-actions{width:24px;padding-top:28px;flex-shrink:0;display:flex;align-items:flex-start;justify-content:center}.step-delete-btn{opacity:0;transition:opacity .2s ease}.step-row:hover .step-delete-btn{opacity:1}.linked-reqs{display:flex;gap:16px;align-items:flex-start}.linked-reqs-label{font-size:12px;font-weight:600;color:#333;text-transform:uppercase;letter-spacing:.3px;padding-top:8px;flex-shrink:0;white-space:nowrap}.linked-reqs-grid{flex:1;display:flex;flex-direction:column;gap:8px}.linked-req-card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:8px 12px;display:flex;flex-direction:column;gap:4px;transition:all .2s ease}.linked-req-card:hover{border-color:#4567f6}.linked-req-card-header{display:flex;align-items:center;justify-content:space-between;gap:8px}.linked-req-id{font-size:12px;font-weight:600;color:#4567f6}.linked-req-text{font-size:12px;font-weight:500;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.linked-req-desc{font-size:12px;color:#666;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.link-req-btn{display:flex;align-items:center;justify-content:center;gap:8px;background:#fff;border:1px dashed #e2e8f0;border-radius:8px;padding:12px;font-size:12px;font-weight:500;color:#4567f6;cursor:pointer;transition:all .2s ease;min-height:48px;font-family:Inter,sans-serif}.link-req-btn:hover{border-color:#4567f6;background:#f8f9fa}.req-search-popup{position:absolute;left:20px;bottom:100%;margin-bottom:8px;width:400px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;box-shadow:0 8px 24px #00000026;z-index:100;overflow:hidden}.req-search-header{padding:16px;background:#f8fafc;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;gap:12px}.req-search-input-wrapper{position:relative;flex:1}.req-search-input-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:#64748b;pointer-events:none}.req-search-input{width:100%;padding:8px 12px 8px 32px;border:1px solid #ddd;border-radius:8px;font-size:14px;font-family:Inter,sans-serif;outline:none;background:#fff;transition:all .2s ease}.req-search-input:focus{border-color:#4567f6;box-shadow:0 0 0 3px #4567f61a}.req-search-list{max-height:300px;overflow-y:auto}.req-search-item{width:100%;text-align:left;padding:12px 16px;border:none;border-bottom:1px solid #f1f5f9;background:#fff;cursor:pointer;transition:background .2s ease;display:block;font-family:Inter,sans-serif}.req-search-item:last-child{border-bottom:none}.req-search-item:hover{background:#f8f9fa}.req-search-item-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.req-search-item-id{font-size:11px;font-weight:600;color:#4567f6;text-transform:uppercase;letter-spacing:.3px}.req-search-item-title{font-size:14px;font-weight:600;color:#333;margin-bottom:2px}.req-search-item-desc{font-size:12px;color:#666;line-height:1.4}.rich-text-editor{width:100%;background:#fff;border:1px solid #e2e8f0;border-radius:8px;display:flex;flex-direction:column;overflow:hidden;transition:all .2s ease}.rich-text-editor:focus-within{border-color:#4567f6;box-shadow:0 0 0 3px #4567f61a}.rich-text-editor.borderless{border:none;border-radius:0}.rich-text-editor.borderless:focus-within{box-shadow:none}.rich-text-toolbar{display:flex;align-items:center;gap:2px;padding:4px 8px;border-bottom:1px solid #e2e8f0;background:#f8fafc;flex-shrink:0}.rich-text-toolbar-btn{padding:4px;background:none;border:none;cursor:pointer;color:#64748b;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.rich-text-toolbar-btn:hover{background:#fff;color:#333}.rich-text-toolbar-divider{width:1px;height:16px;background:#e2e8f0;margin:0 4px}.rich-text-content{padding:12px;min-height:60px;font-size:14px;line-height:1.6;color:#333;outline:none;flex:1;overflow:auto}.rich-text-content:empty:before{content:attr(data-placeholder);color:#64748b;font-style:italic}.rich-text-content ul{list-style-type:disc!important;padding-left:1.5rem!important;margin:.5rem 0!important;display:block!important}.rich-text-content ol{list-style-type:decimal!important;padding-left:1.5rem!important;margin:.5rem 0!important;display:block!important}.rich-text-content li{display:list-item!important;margin-bottom:.1rem!important}.rich-text-content b,.rich-text-content strong{font-weight:700!important}.textarea{padding:12px;border:1px solid #e2e8f0;border-radius:8px;font-size:14px;font-family:Inter,sans-serif;resize:vertical;outline:none;transition:all .2s ease;width:100%;color:#333}.textarea:focus{border-color:#4567f6;box-shadow:0 0 0 3px #4567f61a}.desc-textarea{font-size:14px;color:#666;background:transparent;border:none;outline:none;width:100%;resize:none;font-family:Inter,sans-serif;line-height:1.6;overflow:hidden}.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:500;white-space:nowrap}.badge-blue{background:#dbeafe;color:#2563eb}.badge-green{background:#dcfce7;color:#16a34a}.badge-amber{background:#fef3c7;color:#d97706}.badge-gray{background:#f1f5f9;color:#64748b}.badge-red{background:#fee2e2;color:#dc2626}.dropdown-menu{position:absolute;right:0;top:100%;margin-top:8px;width:220px;background:#fff;border:1px solid #e2e8f0;border-radius:8px;box-shadow:0 4px 12px #00000026;z-index:100;overflow:hidden;padding:4px 0}.dropdown-item{width:100%;text-align:left;padding:10px 16px;border:none;background:none;cursor:pointer;font-family:Inter,sans-serif;font-size:14px;font-weight:500;color:#333;display:flex;align-items:center;gap:12px;transition:background .2s ease}.dropdown-item:hover{background:#f8f9fa}.dropdown-item-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.drag-handle{cursor:grab;color:#64748b;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:color .2s ease;flex-shrink:0}.drag-handle:hover{color:#4567f6}.drag-handle:active{cursor:grabbing}.prose-block{background:#fff;border:1px solid #e2e8f0;border-radius:12px;margin-bottom:20px;display:flex;gap:8px;padding:4px;transition:all .3s ease;overflow:hidden}.prose-block:hover{box-shadow:0 2px 8px #0000001a}.prose-block.drop-top{border-top:3px solid #4567F6}.prose-block.drop-bottom{border-bottom:3px solid #4567F6}.prose-block-handle{width:32px;padding-top:12px;display:flex;flex-direction:column;align-items:center;flex-shrink:0}.prose-block-content{flex:1;position:relative;min-width:0}.prose-block-delete{position:absolute;right:8px;top:8px;opacity:0;transition:opacity .2s ease}.prose-block:hover .prose-block-delete{opacity:1}.add-btn-inline{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:#f1f5f9;border:none;border-radius:6px;font-size:12px;font-weight:500;color:#4567f6;cursor:pointer;transition:all .2s ease;font-family:Inter,sans-serif;margin-top:16px}.add-btn-inline:hover{background:#dbeafe}.add-btn-inline.green{color:#16a34a}.add-btn-inline.green:hover{background:#dcfce7}.drop-zone-tail{min-height:60px;border:1px dashed transparent;border-radius:8px;transition:all .2s ease}.drop-zone-tail.active{min-height:60px;border-color:#4567f6;background:#4567f60a}.empty-state{padding:48px;text-align:center;color:#64748b}.empty-state p{font-size:16px;margin-bottom:16px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .3s ease}.animate-slide-up{animation:slideUp .2s ease}.animate-slide-down{animation:slideDown .2s ease}.workbench-main{flex:1;display:flex;overflow:hidden}.req-panel-toggle{width:44px;flex-shrink:0;background:#4567f6;border:none;border-left:none;cursor:pointer;font-family:Inter,sans-serif;font-size:12px;font-weight:600;color:#fff;writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.5px;text-transform:uppercase;display:flex;align-items:center;justify-content:flex-start;padding-top:24px;gap:8px;transition:all .2s ease;box-shadow:-2px 0 8px #4567f626}.req-panel-toggle:hover{background:#3451d1;width:48px}.req-panel{width:380px;flex-shrink:0;border-left:1px solid #e2e8f0;background:#fff;display:flex;flex-direction:column;overflow:hidden;animation:slideInRight .2s ease}@keyframes slideInRight{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}.req-panel-header{padding:16px 16px 12px;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.req-panel-header h3{font-size:16px;font-weight:700;color:#000}.req-panel-header-actions{display:flex;align-items:center;gap:8px}.req-panel-collapse-all{padding:4px 10px;border-radius:6px;background:#4567f6;color:#fff;border:none;font-size:11px;font-weight:600;font-family:Inter,sans-serif;cursor:pointer;transition:background .2s ease}.req-panel-collapse-all:hover{background:#3451d1}.req-panel-search{padding:12px 16px;border-bottom:1px solid #e2e8f0;flex-shrink:0}.req-panel-search input{width:100%;padding:8px 12px 8px 32px;border:1px solid #ddd;border-radius:8px;font-size:13px;font-family:Inter,sans-serif;outline:none;background:#fff;transition:all .2s ease}.req-panel-search input:focus{border-color:#4567f6;box-shadow:0 0 0 3px #4567f61a}.req-panel-search-wrapper{position:relative}.req-panel-search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:#64748b;pointer-events:none}.req-panel-tree{flex:1;overflow-y:auto;padding:8px 0}.req-tree-folder{width:100%;display:flex;align-items:center;gap:8px;padding:8px 16px;background:none;border:none;cursor:pointer;font-family:Inter,sans-serif;font-size:13px;font-weight:600;color:#333;text-align:left;transition:background .15s ease}.req-tree-folder:hover{background:#f8f9fa}.req-tree-folder-icon{color:#f59e0b;flex-shrink:0}.req-tree-count{margin-left:auto;font-size:11px;font-weight:500;color:#64748b;background:#f1f5f9;padding:2px 8px;border-radius:10px}.req-tree-children{padding-left:20px}.req-tree-item{width:100%;display:flex;align-items:center;gap:8px;padding:6px 16px;background:none;border:none;cursor:pointer;font-family:Inter,sans-serif;font-size:12px;color:#333;text-align:left;transition:background .15s ease;white-space:nowrap;overflow:hidden}.req-tree-item:hover{background:#f8f9fa;cursor:grab}.req-tree-item:active{cursor:grabbing}.req-tree-item.selected{background:#dbeafe}.req-tree-item-id{font-weight:600;color:#4567f6;flex-shrink:0}.req-tree-item-text{color:#333;overflow:hidden;text-overflow:ellipsis}.req-dot{width:10px;height:10px;border-radius:50%;border:2px solid #4567F6;background:#fff;flex-shrink:0;display:inline-block}.req-dot.linked{background:#4567f6}.req-tree-detail{margin:4px 0 8px 28px;padding:12px;background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;animation:slideDown .15s ease}.req-tree-detail-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.req-panel-detail-id{font-size:12px;font-weight:700;color:#4567f6;text-transform:uppercase;letter-spacing:.3px}.req-tree-detail h4{font-size:13px;font-weight:600;color:#1e293b;margin-bottom:4px}.req-tree-detail p{font-size:12px;color:#666;line-height:1.5;margin-bottom:8px}.req-panel-footer{border-top:1px solid #e2e8f0;padding:12px 16px;display:flex;flex-direction:column;gap:4px;font-size:12px;color:#333;flex-shrink:0;background:#fff}.req-panel-footer-row{display:flex;align-items:center;gap:6px}.req-panel-footer-total{font-weight:700;margin-bottom:4px}@media (max-width: 1200px){.plan-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}}@media (max-width: 768px){.sidebar{width:200px}.main-content-wrapper{margin-left:200px}.top-bar{left:200px}.plan-grid{grid-template-columns:1fr}.step-fields,.linked-reqs{flex-direction:column}.linked-reqs-grid{grid-template-columns:1fr}}