.checkbox-group{align-items:center;display:flex;gap:10px;margin-top:15px}.checkbox-group label{color:var(--text-color);font-size:15px}.checkbox-group input[type=checkbox]{height:18px;width:18px}.vehicle-start-end{background-color:#f8f9fa;border-left:4px solid #3498db;border-radius:8px;display:none;margin-top:15px;padding:15px}.vehicle-start-end.active{animation:fadeIn .3s ease;display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.route-input-group{margin-bottom:15px}.route-input-group:last-child{margin-bottom:0}.route-input-group label{display:block;font-weight:500;margin-bottom:5px}.label-with-unit{align-items:center;display:flex;gap:10px;justify-content:space-between;margin-bottom:6px}.label-with-unit label{margin-bottom:0}.unit-badge{align-items:center;background:#eaf2ff;border:1px solid #93c5fd;border-radius:8px;box-shadow:0 1px 2px rgba(30,64,175,.08);color:#1e40af;display:inline-flex;font-size:12px;font-weight:500;height:24px;letter-spacing:.1px;line-height:1;padding:0 10px;transition:all .2s ease;white-space:nowrap}.route-input-group input{border:1px solid var(--border-color);border-radius:var(--radius);box-sizing:border-box;font-size:14px;height:40px;padding:10px 14px;transition:all .2s ease;width:100%}.route-input-group input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px rgba(59,130,246,.1);outline:none}.input-help{color:#7f8c8d;font-size:14px;line-height:1.4;margin-top:8px}.problem-config>.section-divider:first-of-type{display:none}.problem-config>.section-divider:last-of-type{background:linear-gradient(90deg,rgba(37,99,235,.22),rgba(37,99,235,.52) 18%,rgba(148,163,184,.22));border:0;box-shadow:none;height:1px;margin:28px 0 18px;opacity:1}