:root{--red:#c91f26;--red-dark:#99171c;--ink:#17212b;--muted:#627080;--line:#dce2e8;--soft:#f4f6f8;--white:#fff}*{box-sizing:border-box}body{margin:0;background:#edf0f3;color:var(--ink);font-family:Arial,Helvetica,sans-serif}button,input,select{font:inherit}button,select,input[type=file]{cursor:pointer}h1,h2,h3,p{margin:0}.topbar{min-height:92px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:16px;padding:18px max(24px,calc((100vw - 1360px)/2))}.brand{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;background:var(--red);color:#fff;font-size:22px;font-weight:800;box-shadow:0 7px 16px rgba(173,21,29,.2)}h1{font-size:clamp(22px,3vw,30px);letter-spacing:-.02em}.eyebrow{color:var(--red-dark);font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;margin-bottom:4px}.engine,.pill{margin-left:auto;border-radius:999px;padding:8px 12px;background:#fff2f2;color:var(--red-dark);font-size:12px;font-weight:700}.notice{max-width:1360px;margin:18px auto 0;padding:12px 16px;border:1px solid #edc9a2;border-radius:12px;background:#fff8e8;color:#6f4d19;font-size:13px;line-height:1.5}main{max-width:1360px;margin:18px auto 48px}.workspace{display:grid;grid-template-columns:360px 1fr;gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 6px 24px rgba(21,34,46,.06)}.controls{padding:22px}.section-title{display:flex;gap:12px;align-items:center;margin-bottom:22px}.section-title>span{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:var(--red);color:#fff;font-weight:800}.section-title h2,.card-heading h2{font-size:20px}.section-title p{margin-top:3px;color:var(--muted);font-size:12px}.controls>label,.fields label{display:grid;gap:7px;margin-top:16px;color:#3c4854;font-size:12px;font-weight:700}select,input[type=number]{width:100%;min-height:44px;border:1px solid #cfd7df;border-radius:10px;background:#fff;color:var(--ink);padding:0 12px;outline:0}select:focus,input:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(201,31,38,.1)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.unit{position:relative}.unit input{padding-right:44px}.unit span{position:absolute;right:12px;top:14px;color:var(--muted);font-size:12px}fieldset{border:0;padding:0;margin:22px 0 0}legend{margin-bottom:8px;color:#3c4854;font-size:12px;font-weight:700}.choice{display:flex;gap:10px;padding:11px;border:1px solid var(--line);border-radius:11px;margin-bottom:8px}.choice.selected{border-color:var(--red);background:#fff8f8}.choice input{accent-color:var(--red)}.choice span{display:grid;gap:3px}.choice strong{font-size:13px}.choice small{color:var(--muted);font-size:11px;line-height:1.35}.primary,.file-button{min-height:46px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:13px}.primary{width:100%;margin-top:18px;border:0;background:var(--red);color:#fff;box-shadow:0 6px 14px rgba(201,31,38,.18)}.primary:hover{background:var(--red-dark)}.primary:disabled{opacity:.65}.file-button{margin-top:9px!important;border:1px solid var(--line);background:#fff;color:#3d4955!important}.file-button input{display:none}.error{min-height:18px;margin-top:10px;color:var(--red-dark);font-size:12px}.map-card,.results{padding:20px;min-width:0}.card-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}#route-map{display:block;width:100%;min-height:360px}.legend{display:flex;flex-wrap:wrap;gap:14px;padding:12px 6px 2px;color:var(--muted);font-size:12px}.legend span{display:flex;align-items:center;gap:7px}.legend i{width:9px;height:9px;border-radius:50%}.results{margin-top:18px}.exports{display:flex;gap:8px}.exports button{min-height:38px;padding:0 13px;border-radius:9px;border:1px solid #cfd7df;background:#fff;color:#35414d;font-size:12px;font-weight:700}.exports button:disabled{opacity:.45}.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.summary article{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--soft);display:grid;gap:4px}.summary span{color:var(--muted);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.summary strong{font-size:23px}.summary small{color:var(--muted);font-size:10px}.routes{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:16px;align-items:start}.route{border:1px solid var(--line);border-top:5px solid;border-radius:13px;overflow:hidden}.route header{display:flex;justify-content:space-between;padding:16px;background:#fafbfc;border-bottom:1px solid var(--line)}.route header span{color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase}.route h3{margin-top:3px;font-size:18px}.route header>div:last-child{text-align:right;display:grid;gap:2px}.route header strong{font-size:16px}.route header small{color:var(--muted);font-size:11px}.route ol{margin:0;padding:8px 16px 14px 45px;max-height:420px;overflow:auto}.route li{padding:8px 8px 8px 3px;border-bottom:1px solid #edf0f2;font-size:13px}.route li:last-child{border-bottom:0}.route li span,.route li small{display:block}.route li small{margin-top:2px;color:var(--muted);font-size:10px}@media(max-width:900px){.topbar{padding:14px 18px}.engine{display:none}.notice,main{margin-left:12px;margin-right:12px}.workspace{grid-template-columns:1fr}#route-map{min-height:280px}}@media(max-width:620px){.brand{width:44px;height:44px;border-radius:12px;font-size:18px}h1{font-size:19px}.topbar .eyebrow{font-size:9px}.fields,.summary,.routes{grid-template-columns:1fr}.card-heading{align-items:flex-start;gap:12px}.exports{flex-direction:column}.controls,.map-card,.results{padding:16px}#route-map{min-height:230px}}
.summary{grid-template-columns:repeat(4,1fr)}
@media(max-width:620px){.summary{grid-template-columns:1fr}}