/* tunnel.css — Tunnels & shafts studio (v28); builds on jetty.css and road.css */
.tn-app .tn-sl { min-width: 240px; }
.tn-app .tn-sl input[type=range] { width: 100%; }
.tn-app .tn-sl b { font-family: var(--font-mono, ui-monospace, monospace); color: var(--purple); }
.tn-app .tn-ground input[type=number] { width: 60px; }
.tn-app .tn-ground select { max-width: 120px; }