.invite-route-planner-container{width:100%;margin-bottom:40px;animation:fadeIn .4s ease-out}.planner-header{margin-bottom:24px}.planner-title{font-size:1.8rem;font-weight:800;color:var(--text-primary);letter-spacing:-.02em;margin-bottom:6px}.planner-desc{font-size:.95rem;color:var(--text-secondary);max-width:800px;line-height:1.6}.planner-layout-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:24px;align-items:start}@media(max-width:1100px){.planner-layout-grid{grid-template-columns:1fr}}.planner-workspace{display:flex;flex-direction:column;padding:20px;min-height:600px;position:relative;border-radius:var(--radius-lg);background-color:var(--bg-card);border:1px solid var(--border-color)}.toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--border-color);margin-bottom:16px;z-index:10}.toolbar-group{display:flex;align-items:center;gap:16px}.checkbox-label{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:500;color:var(--text-secondary);cursor:pointer;user-select:none}.checkbox-label input{width:15px;height:15px;cursor:pointer}.text-btn{border:1px solid var(--border-color);background-color:var(--bg-primary);color:var(--text-primary);padding:6px 12px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--transition)}.text-btn:hover{background-color:var(--bg-hover);border-color:var(--text-muted)}.text-btn.btn-secondary{color:var(--text-secondary)}.graph-container{width:100%;position:relative;background-color:var(--bg-primary);border-radius:var(--radius-md);border:1px dashed var(--border-color);overflow:hidden;height:600px}.graph-svg{width:100%;height:100%;display:block;user-select:none}.graph-node-circle{cursor:grab;transition:r .25s,stroke .25s,stroke-width .25s}.graph-node-circle:hover{stroke-opacity:.9}.graph-node-circle.source-node{fill:#ecfdf5}[data-theme=dark] .graph-node-circle.source-node{fill:#064e3b}.graph-node-circle.target-node{fill:#fff1f2}[data-theme=dark] .graph-node-circle.target-node{fill:#881337}.active-flow-path{stroke-dasharray:8,8;animation:flowDash 25s linear infinite}@keyframes flowDash{to{stroke-dashoffset:-400}}.node-tooltip{background-color:#0f172af2;color:#f8fafc;border-radius:var(--radius-sm);padding:10px 14px;font-size:.8rem;border:1px solid rgba(255,255,255,.15);box-shadow:0 10px 20px #0000004d;pointer-events:none;line-height:1.4;text-align:left;backdrop-filter:blur(4px);z-index:1000}.tooltip-title{margin-bottom:4px;font-weight:700;color:var(--accent-color);font-size:.85rem}.tooltip-text{margin:0;font-weight:400}.edge-label-container{pointer-events:none;overflow:visible}.edge-label-tooltip{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-secondary);border-radius:var(--radius-sm);padding:2px 8px;font-size:.75rem;text-align:center;box-shadow:var(--shadow-sm);white-space:nowrap;display:inline-block;max-width:100%;overflow:hidden;text-overflow:ellipsis}.graph-legend{position:absolute;bottom:12px;left:12px;background-color:rgba(var(--bg-card),.75);backdrop-filter:blur(6px);border:1px solid var(--border-color);padding:6px 12px;border-radius:50px;display:flex;gap:16px;font-size:.8rem;font-weight:500;box-shadow:var(--shadow-sm)}.legend-item{display:flex;align-items:center;gap:6px}.legend-dot{width:10px;height:10px;border-radius:50%}.legend-dot.start{background-color:#10b981}.legend-dot.end{background-color:#f43f5e}.legend-dot.path{background-color:var(--accent-color)}.planner-sidebar-panel{display:flex;flex-direction:column;height:100%}.tab-menu{display:flex;background-color:var(--bg-primary);padding:4px;border-radius:var(--radius-md);margin-bottom:20px;border:1px solid var(--border-color)}.tab-btn{flex:1;border:none;background:transparent;padding:10px 4px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;color:var(--text-secondary);cursor:pointer;transition:var(--transition)}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{background-color:var(--bg-card);color:var(--accent-color);box-shadow:var(--shadow-sm)}.tab-content{width:100%}.card-inner{padding:20px;border-radius:var(--radius-md);background-color:var(--bg-card);border:1px solid var(--border-color);margin-bottom:20px;box-shadow:var(--shadow-sm)}.card-inner h3{font-size:1.1rem;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.field-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.field-group label{font-size:.85rem;font-weight:600;color:var(--text-secondary)}.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-primary);color:var(--text-primary);font-family:inherit;font-size:.9rem;transition:var(--transition)}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--accent-color);box-shadow:0 0 0 3px var(--accent-hover-bg)}.form-textarea{min-height:80px;resize:vertical}.action-btn{width:100%;padding:12px;border:none;border-radius:var(--radius-sm);background:var(--accent-gradient);color:#fff;font-weight:600;font-size:.9rem;cursor:pointer;transition:var(--transition);text-align:center;box-shadow:var(--shadow-sm)}.action-btn:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:var(--shadow-md)}.action-btn:active{transform:translateY(0)}.action-btn.btn-warning{background:linear-gradient(135deg,#f59e0b,#d97706)}.action-btn.btn-success{background:linear-gradient(135deg,#10b981,#059669)}.action-btn.btn-danger{background:linear-gradient(135deg,#ef4444,#dc2626)}.action-btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none!important}.list-container h3{font-size:1.1rem;font-weight:700;margin-bottom:12px;color:var(--text-primary)}.nodes-table-wrapper,.edges-table-wrapper{max-height:350px;overflow-y:auto;border:1px solid var(--border-color);border-radius:var(--radius-sm);background-color:var(--bg-card)}.planner-table{width:100%;border-collapse:collapse;font-size:.85rem;text-align:left}.planner-table th,.planner-table td{padding:12px 14px;border-bottom:1px solid var(--border-color)}.planner-table th{background-color:var(--bg-primary);font-weight:600;color:var(--text-secondary);position:sticky;top:0;z-index:1}.planner-table tr:last-child td{border-bottom:none}.node-id-cell code{background-color:var(--bg-primary);padding:2px 6px;border-radius:4px;color:var(--accent-color);font-weight:600}.node-name-cell{color:var(--text-primary);font-weight:500}.edge-path-cell{display:flex;align-items:center;gap:6px}.badge-id{background-color:var(--bg-primary);padding:2px 6px;border-radius:4px;font-weight:600;color:var(--text-primary)}.arrow-sep{color:var(--text-muted)}.edge-class-cell{color:var(--text-primary);font-weight:500}.delete-icon-btn{background:transparent;border:none;font-size:1.1rem;cursor:pointer;padding:4px;border-radius:50%;transition:var(--transition)}.delete-icon-btn:hover{background-color:var(--accent-hover-bg)}.path-result-area{margin-top:10px}.route-summary{display:flex;align-items:center;gap:16px;background-color:var(--accent-hover-bg);border:1px solid var(--border-color);padding:16px;border-radius:var(--radius-md);margin-bottom:20px}.route-stats{display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:var(--accent-color);color:#fff;width:60px;height:60px;border-radius:50%;flex-shrink:0;box-shadow:0 4px 10px #3b82f64d}.stats-number{font-size:1.5rem;font-weight:800;line-height:1}.stats-label{font-size:.6rem;font-weight:600}.route-details{margin:0;font-size:.95rem;color:var(--text-primary);line-height:1.5}.route-timeline{position:relative;padding-left:30px;margin-left:10px}.route-timeline:before{content:"";position:absolute;left:8px;top:15px;bottom:15px;width:3px;background-color:var(--border-color)}.timeline-item{position:relative;margin-bottom:24px}.timeline-badge{position:absolute;left:-31px;top:12px;width:22px;height:22px;border-radius:50%;background-color:var(--border-color);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;border:3px solid var(--bg-card);z-index:2}.timeline-item:not(.destination) .timeline-badge{background-color:var(--accent-color);color:#fff;box-shadow:0 0 0 3px var(--accent-hover-bg)}.timeline-badge.success{background-color:#10b981!important;color:#fff!important;box-shadow:0 0 0 3px #10b98126}.timeline-card{padding:16px;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.timeline-title{font-size:.95rem;font-weight:700;color:var(--text-primary);margin-bottom:10px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.timeline-arrow{font-size:.8rem}.timeline-reqs{font-size:.85rem;color:var(--text-secondary);line-height:1.5}.timeline-reqs p{margin-bottom:6px}.timeline-reqs p:last-child{margin-bottom:0}.user-class-tag{background-color:var(--accent-hover-bg);color:var(--accent-color);padding:2px 6px;border-radius:4px;font-weight:600}.success-card{border-color:#10b981;background-color:#10b98105}[data-theme=dark] .success-card{background-color:#10b98103}.success-text{margin:0;font-size:.85rem;color:var(--text-secondary)}.no-path-card{text-align:center;padding:30px 20px;background-color:var(--bg-card)}.no-path-icon{font-size:2.5rem;margin-bottom:12px}.no-path-card h4{font-size:1.1rem;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.no-path-card p{font-size:.9rem;color:var(--text-secondary);line-height:1.6;margin:0}.placeholder-info{text-align:center;padding:40px 20px;border:2px dashed var(--border-color);border-radius:var(--radius-md);color:var(--text-muted);font-size:.9rem;line-height:1.8}.helper-text{font-size:.8rem;color:var(--text-secondary);line-height:1.5;margin-top:4px}.helper-text.warning{color:#ef4444}.data-control-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:16px;margin-bottom:16px}.data-control-card h3{font-size:1rem;margin-bottom:6px}.data-control-card.danger-zone{border-color:#ef44444d;background-color:#ef444403}.file-upload-wrapper{position:relative;width:100%;margin-top:8px}.file-upload-input{display:none}.file-upload-label{display:block;cursor:pointer}