:root{--paper:#f3efe6;--paper2:#faf7f0;--paper3:#e9e3d8;--ink:#151515;--muted:#66645f;--rule:#c6c0b4;--subway-blue:#0062CF;--subway-red:#D82233;--subway-green:#009952;--subway-purple:#9A38A1;--subway-orange:#EB6800;--subway-yellow:#F6BC26;--subway-light-green:#799534;--subway-brown:#8E5C33;--subway-grey:#7C858C;--subway-teal:#008EB7;--mta-blue:#08179C;--isa-blue:#0078C6;--bg:var(--paper);--panel:var(--paper2);--panel2:var(--paper3);--text:var(--ink);--line:var(--rule);--accent:var(--subway-blue);--danger:#b52a2f;--warning:#9a6910;--radius:0;--shadow:0 18px 50px rgba(20,20,20,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--paper)}body{margin:0;color:var(--ink);background:linear-gradient(rgba(20,20,20,.018) 1px,transparent 1px),linear-gradient(90deg,rgba(20,20,20,.018) 1px,transparent 1px),var(--paper);background-size:32px 32px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.page-shell{width:min(1240px,calc(100% - 30px));margin:auto}a{color:inherit}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.eyebrow,.section-label,.auth-kicker{font:850 11px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.13em;text-transform:uppercase;color:var(--ink)}h1{font-size:clamp(58px,8vw,104px);line-height:.86;letter-spacing:-.07em;margin:18px 0 24px}h2{font-size:clamp(38px,5vw,62px);line-height:.95;letter-spacing:-.055em}h3{letter-spacing:-.035em}.lede{max-width:760px;font-size:clamp(18px,2vw,23px);line-height:1.5;color:#45433f}.section-copy{max-width:790px;color:var(--muted);font-size:16px;line-height:1.65}.primary,.secondary,.auth-button,.filter,.text-button{font:inherit}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 16px;border:2px solid var(--ink);text-decoration:none;font-weight:900}.primary{background:var(--ink);color:#fff}.secondary{background:transparent;color:var(--ink)}.primary:hover,.secondary:hover{transform:translateY(-1px)}.primary.compact{min-height:40px;font-size:12px;padding:0 13px}.hero-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:28px}.text-link{font-weight:900;text-decoration:none;border-bottom:2px solid var(--ink)}
.page-hero{padding:52px 0 40px;border-bottom:2px solid var(--ink)}.page-hero h1{margin-bottom:20px}.page-main,.home-main{padding:44px 0 68px}.standalone-section{margin-top:0!important;padding-top:0!important;border-top:0!important}.section-heading,.toolbar{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:22px}.section-heading h2,.toolbar h2{margin:7px 0 0}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:34px;border:2px solid var(--ink);background:rgba(255,255,255,.25)}.stats>div{padding:16px 18px;min-height:82px}.stats>div+div{border-left:1px solid var(--ink)}.stats strong{display:block;font-size:25px;letter-spacing:-.035em}.stats span{display:block;margin-top:5px;color:var(--muted);font:750 10px ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.08em}
/* System map */
.home-hero{display:grid;grid-template-columns:.76fr 1.24fr;gap:42px;align-items:start;padding:64px 0 48px;border-bottom:1px solid var(--rule)}.home-hero h1 span{display:block;color:var(--subway-blue)}.home-hero-copy{padding-top:18px}.tg-route-legend{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.tg-route-legend span{display:flex;align-items:center;gap:8px;border:1px solid var(--rule);background:rgba(255,255,255,.4);border-radius:999px;padding:8px 11px;font-size:11px;font-weight:850}.route-dot{display:inline-block;width:10px;height:10px;border-radius:50%;flex:none}.route-strategy{background:var(--subway-blue)}.route-cards{background:var(--subway-red)}.route-puzzle{background:var(--subway-green)}.route-word{background:var(--subway-purple)}.route-party{background:var(--subway-orange)}.route-dice{background:var(--subway-yellow)}
.tg-network-map{border:2px solid var(--ink);background:var(--paper2);min-width:0}.tg-network-head{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 15px;border-bottom:1px solid var(--ink);font:850 10px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}.tg-network-scroll{overflow-x:auto;overflow-y:hidden;overscroll-behavior-inline:contain}.tg-network-canvas{min-width:760px;padding:12px}.tg-network-map svg{display:block;width:100%;height:auto}.tg-network-note{padding:12px 15px;border-top:1px solid var(--rule);color:var(--muted);font-size:12px;line-height:1.5}.tg-route{fill:none;stroke-width:12;stroke-linecap:round;stroke-linejoin:round}.tg-route--strategy{stroke:var(--subway-blue)}.tg-route--cards{stroke:var(--subway-red)}.tg-route--puzzle{stroke:var(--subway-green)}.tg-route--word{stroke:var(--subway-purple)}.tg-route--party{stroke:var(--subway-orange)}.tg-station circle,.tg-station-marker{fill:var(--paper2);stroke:var(--ink);stroke-width:3}.tg-interchange-outer{fill:var(--paper2);stroke:var(--ink);stroke-width:3}.tg-interchange-inner{fill:var(--paper2);stroke:var(--ink);stroke-width:1.5}.tg-station-label{font-family:Inter,ui-sans-serif,system-ui,sans-serif;font-size:14px;font-weight:900;fill:var(--ink)}.tg-station-code-svg{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:800;fill:var(--muted);letter-spacing:.05em}.tg-hub-label{font-size:16px;font-weight:950;fill:var(--ink)}.tg-map-line-badge text{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:10px;font-weight:900;fill:#fff;letter-spacing:.06em}.tg-map-line-badge--dice text{fill:var(--ink)}
.tg-home-links{display:grid;grid-template-columns:repeat(3,1fr);margin-top:38px;border-top:2px solid var(--ink)}.tg-home-link{display:flex;flex-direction:column;min-height:190px;padding:20px 18px;border-bottom:1px solid var(--ink);text-decoration:none}.tg-home-link+.tg-home-link{border-left:1px solid var(--ink)}.tg-home-link small{font:850 10px ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.09em}.tg-home-link strong{font-size:29px;letter-spacing:-.045em;margin:42px 0 8px}.tg-home-link span{color:var(--muted);line-height:1.45;font-size:13px}.tg-home-link:hover{background:var(--paper2)}
/* Play / departures */
.filters{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}.filter{min-height:38px;border:1px solid var(--ink);background:transparent;color:var(--ink);padding:0 12px;cursor:pointer;font-weight:850;font-size:11px;text-transform:uppercase;letter-spacing:.05em}.filter:hover,.filter.active{background:var(--ink);color:#fff}.catalog-note{margin:0 0 18px;color:var(--muted);line-height:1.55}.station-list{border-top:2px solid var(--ink)}.station-row{--route-color:var(--subway-grey);display:grid;grid-template-columns:94px minmax(180px,1fr) minmax(220px,.9fr) auto;gap:16px;align-items:center;padding:17px 0;border-bottom:1px solid var(--rule);scroll-margin-top:90px}.station-code{display:flex;align-items:center;gap:9px;font:900 12px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em}.station-code .route-dot{background:var(--route-color);width:14px;height:14px}.station-title{min-width:0}.station-title h3{font-size:clamp(24px,3vw,34px);margin:0;letter-spacing:-.045em}.station-title p{margin:5px 0 0;color:var(--muted);font-size:12px;line-height:1.45}.station-meta{display:flex;gap:7px;flex-wrap:wrap}.station-meta span{font:750 10px ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--rule);padding:5px 7px;background:rgba(255,255,255,.28)}.station-actions{display:flex;align-items:stretch;gap:7px;justify-content:flex-end}.game-play-primary,.game-play-v1{display:inline-flex;align-items:center;justify-content:center;min-height:42px;text-decoration:none;font-size:11px;font-weight:900;white-space:nowrap}.game-play-primary{padding:0 13px;background:var(--ink);color:#fff;border:2px solid var(--ink)}.game-play-v1{padding:0 11px;border:1px solid var(--ink);color:var(--ink)}.station-status{font-size:9px;text-transform:uppercase;letter-spacing:.07em;font-weight:850;color:var(--muted)}.empty-state{padding:30px 0;color:var(--muted);line-height:1.55;border-bottom:1px solid var(--rule)}
/* Build / extensions */
.challenge,.submit-section,.leaderboard,.roadmap{margin-top:64px;border-top:2px solid var(--ink);padding-top:42px}.challenge.standalone-section,.leaderboard.standalone-section{margin-top:0;border-top:0;padding-top:0}.tg-extension-list{border-top:2px solid var(--ink);margin-top:22px}.tg-extension{display:grid;grid-template-columns:88px 1fr 130px;align-items:center;gap:16px;min-height:96px;padding:14px 0;border-bottom:1px solid var(--rule);background:repeating-linear-gradient(135deg,transparent,transparent 10px,rgba(0,0,0,.018) 10px,rgba(0,0,0,.018) 20px)}.tg-extension-code{font:900 11px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--subway-purple)}.tg-extension strong{font-size:24px;letter-spacing:-.035em}.tg-extension small{display:block;color:var(--muted);margin-top:4px}.tg-extension a{justify-self:end;border:2px solid var(--ink);padding:10px 12px;text-decoration:none;font-size:11px;font-weight:900}.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--ink);margin-top:30px}.flow-grid>div{padding:20px 18px;min-height:165px;border-bottom:1px solid var(--ink)}.flow-grid>div+div{border-left:1px solid var(--ink)}.flow-grid span{display:block;color:var(--subway-orange);font:900 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;margin-bottom:30px}.flow-grid strong{display:block;font-size:24px}.flow-grid p{color:var(--muted);font-size:13px;line-height:1.55;margin:8px 0 0}.submit-layout{display:grid;grid-template-columns:minmax(260px,.78fr) minmax(0,1.45fr);gap:18px}.auth-panel,.submission-form,.my-submissions{border:2px solid var(--ink);background:rgba(255,255,255,.22)}.auth-panel,.submission-form{padding:20px}.auth-panel h3{font-size:28px;margin:10px 0}.auth-panel p{color:var(--muted);line-height:1.55}.auth-actions{display:grid;gap:8px;margin-top:18px}.auth-button{width:100%;min-height:44px;border:2px solid var(--ink);background:transparent;color:var(--ink);font-weight:900;cursor:pointer}.auth-button:hover{background:var(--ink);color:#fff}.identity-row{display:flex;align-items:center;gap:12px;margin:18px 0}.identity-row div{display:flex;flex-direction:column;gap:4px}.identity-row span{font-size:11px;color:var(--muted);text-transform:capitalize}.user-avatar{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--ink)}.text-button{border:0;background:none;padding:0;color:var(--subway-blue);font-weight:900;cursor:pointer}.review-note{margin-top:25px;padding-top:18px;border-top:1px solid var(--ink)}.review-note strong{font-size:14px}.submission-form.locked{opacity:.62}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-grid label{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:850}.form-grid label.full{grid-column:1/-1}.form-grid input,.form-grid select,.form-grid textarea{width:100%;border:1px solid var(--ink);border-radius:0;background:var(--paper2);color:var(--ink);padding:12px 13px;font:inherit;outline:none}.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{box-shadow:0 0 0 3px color-mix(in srgb,var(--subway-blue) 30%,transparent);border-color:var(--subway-blue)}.form-grid textarea{resize:vertical;min-height:115px}.form-grid small,.optional{font-weight:400;color:var(--muted)}.confirm-row{display:grid!important;grid-template-columns:18px 1fr;align-items:start;gap:10px!important;font-weight:500!important}.confirm-row input{width:18px!important;height:18px;margin:0;padding:0}.submit-button{margin-top:20px}.form-message{min-height:20px;margin:12px 0 0!important;font-size:12px}.form-message.error{color:var(--danger)!important}.form-message.success{color:var(--subway-green)!important}.my-submissions{margin-top:16px;padding:18px}.mini-heading{display:flex;justify-content:space-between;gap:18px;align-items:center}.mini-heading h3{font-size:22px;margin:0}.mini-heading span{font-size:11px;color:var(--muted)}.submission-list{display:grid}.submission-item{display:grid;grid-template-columns:1fr auto;gap:15px;padding:13px 0;border-top:1px solid var(--rule)}.submission-item strong,.submission-item small{display:block}.submission-item small{color:var(--muted);margin-top:4px}.submission-state{font:850 10px ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.08em}.submission-state.pending{color:var(--warning)}.submission-state.approved{color:var(--subway-green)}.submission-state.rejected{color:var(--danger)}
/* generic legacy sections */
.board-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,1fr);gap:18px}.board-panel,.model-panel{border:1px solid var(--ink);background:rgba(255,255,255,.22)}.model-panel{padding:18px}.board-header,.board-row{display:grid;grid-template-columns:minmax(0,1fr) 88px 72px 88px;align-items:center;gap:12px}.board-header{padding:12px 16px;border-bottom:1px solid var(--ink);font:850 10px ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.08em}.board-row{padding:14px 16px;border-bottom:1px solid var(--rule)}.builder-cell{display:flex;align-items:center;gap:10px}.builder-cell img,.builder-avatar-fallback{width:36px;height:36px;border-radius:50%;border:1px solid var(--ink);object-fit:cover}.builder-avatar-fallback{display:grid;place-items:center}.builder-copy strong,.builder-copy small{display:block}.builder-copy small{color:var(--muted)}footer{display:flex;justify-content:space-between;gap:20px;padding:28px 0 42px;border-top:2px solid var(--ink);font:800 11px ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.06em}
:focus-visible{outline:3px solid var(--subway-blue);outline-offset:3px}
@media(max-width:900px){.home-hero{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.stats>div:nth-child(3){border-left:0;border-top:1px solid var(--ink)}.stats>div:nth-child(4){border-top:1px solid var(--ink)}.section-heading,.toolbar{align-items:start;flex-direction:column}.filters{justify-content:flex-start}.station-row{grid-template-columns:80px 1fr auto}.station-meta{grid-column:2}.station-actions{grid-column:3;grid-row:1/3}.submit-layout,.board-layout{grid-template-columns:1fr}.tg-home-links,.flow-grid{grid-template-columns:1fr}.tg-home-link+.tg-home-link,.flow-grid>div+div{border-left:0}.tg-home-link,.flow-grid>div{min-height:0}}
@media(max-width:620px){.page-shell{width:min(100% - 22px,1240px)}.home-hero{padding-top:42px}.page-hero{padding-top:38px}.tg-network-canvas{min-width:860px}.tg-network-note::before{content:"Swipe horizontally · ";font-weight:900;color:var(--ink)}.stats{grid-template-columns:1fr}.stats>div+div,.stats>div:nth-child(3),.stats>div:nth-child(4){border-left:0;border-top:1px solid var(--ink)}.station-row{grid-template-columns:58px minmax(0,1fr);gap:10px;padding:15px 0}.station-meta{grid-column:2}.station-actions{grid-column:2;grid-row:auto;justify-content:flex-start}.station-title h3{font-size:23px}.filters{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:5px}.filter{white-space:nowrap}.tg-extension{grid-template-columns:60px 1fr}.tg-extension a{grid-column:2;justify-self:start}.form-grid{grid-template-columns:1fr}.form-grid label.full{grid-column:auto}.mini-heading{align-items:start;flex-direction:column;gap:5px}footer{flex-direction:column}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}