:root{color-scheme:light;--ink:#193b37;--dark:#112d2a;--board:#1c4641;--cream:#eee7d3;--paper:#f5efdb;--muted:#a9b7a0;--orange:#db8146;--gold:#e5bf67;--green:#9fca8b;--red:#f68871;font-family:Arial,Helvetica,sans-serif;background:#142f2c;color:var(--cream);font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 0,#3b5148,transparent 70%),#142f2c;min-height:100vh}button{font:inherit;cursor:pointer;touch-action:manipulation;min-height:46px;border-radius:3px}button:focus-visible,a:focus-visible{outline:3px solid #efb76a;outline-offset:4px}button:disabled{cursor:default;opacity:.5}button:active:not(:disabled){transform:translateY(2px)}h1,h2,h3,p{margin:0}button,a{-webkit-tap-highlight-color:transparent}.small-caps,.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700;text-transform:uppercase}.loading{padding:40px}.frame{max-width:1480px;margin:auto;padding:26px 34px 18px}.masthead{display:flex;align-items:center;gap:18px;padding-bottom:20px}.crest{width:43px;height:43px;display:grid;place-items:center;border:1px solid #b4b699;color:var(--gold);font-family:Georgia,serif;font-size:24px;border-radius:50%}.brand{flex:1}.brand h1{font-family:Georgia,serif;font-weight:400;font-size:26px;letter-spacing:.5px}.brand p{font-size:10px;text-transform:uppercase;letter-spacing:2.8px;color:#aab5a1;margin-top:6px}.masthead-actions{display:flex;gap:8px}.quiet{border:1px solid #71816c;background:transparent;color:var(--cream);padding:0 15px;font-size:12px}.quiet:hover{background:#ffffff0c}.desk{border:1px solid #0a2422;box-shadow:0 15px 60px #00181599,0 0 0 4px #536057;overflow:hidden;border-radius:5px}.desk-top{background:#d9d6c4;color:var(--ink);display:flex;align-items:center;gap:22px;padding:12px 24px;border-bottom:7px solid #5d6a59;box-shadow:inset 0 2px #fff7}.station-name{font-family:Georgia,serif;font-size:24px}.station-name small{display:block;font:9px Arial,sans-serif;font-weight:bold;letter-spacing:2px;margin-top:5px}.shift-strip{margin-left:auto;font-size:11px;border-right:1px solid #a5aa98;padding-right:20px;text-align:right;line-height:1.6}.clock{background:#20342e;border:3px solid #65705a;color:#e9d8a3;font-family:monospace;font-size:26px;letter-spacing:1px;padding:6px 12px;box-shadow:inset 0 2px 6px #0008;white-space:nowrap}.run-button{background:var(--ink);color:var(--cream);padding:0 18px;border:1px solid #566c54;font-size:12px;min-width:100px}.board{position:relative;background:linear-gradient(115deg,#214b45,#183c38);padding:22px 26px 10px;box-shadow:inset 0 4px 18px #001b1966}.board:before,.board:after{content:'+';position:absolute;top:8px;color:#8b9c80;font:16px monospace}.board:before{left:9px}.board:after{right:9px}.board-meta{display:flex;justify-content:space-between;align-items:center;color:#bbc4a8;font-size:10px;letter-spacing:2px}.board-meta b{font-size:11px;color:#dedcc1;letter-spacing:1px}.board svg{width:100%;height:auto;display:block;max-height:270px;min-height:180px}.rail{fill:none;stroke:#9eb49a;stroke-width:5;stroke-linecap:square}.rail.occupied{stroke:#f3bc66;filter:drop-shadow(0 0 4px #e89e42)}.rail.reserved{stroke:#bfe0a3;stroke-dasharray:8 4}.rail.closed{stroke:#cf9c73;stroke-dasharray:6 5}.board svg text{font-family:Arial,sans-serif;fill:#d6ddbe;letter-spacing:1px}.berth{fill:#102925;stroke:#72866b;stroke-width:1}.train-num{fill:#f3bb78!important;font-family:monospace!important;font-size:17px;letter-spacing:2px!important}.signal-stop{fill:#bd705b}.signal-go{fill:#c1dc8f;filter:drop-shadow(0 0 4px #d6f5a9)}.legend{display:flex;justify-content:center;gap:24px;font-size:10px;color:#bdc7ad;padding-bottom:12px}.legend span{display:flex;align-items:center;gap:7px}.legend i{display:inline-block;width:17px;height:3px;background:#9eb49a}.legend i.amber{background:#f3bc66}.legend i.dashed{background:repeating-linear-gradient(90deg,#bfe0a3 0 4px,transparent 4px 6px)}.legend 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24px;background:linear-gradient(100deg,#bac3ad,#c7cbb7)}.paper{background:var(--paper);color:#354b3b;padding:18px 19px 16px;box-shadow:0 2px 6px #1c3d2a33;transform:rotate(-.3deg);border-top:5px solid #65725b;position:relative}.paper:after{content:'';position:absolute;right:12px;top:-9px;width:35px;height:12px;border:2px solid #92947a;border-radius:5px;transform:rotate(5deg);pointer-events:none}.paper-title{display:flex;align-items:flex-start;justify-content:space-between}.paper-title h2{font-family:Georgia,serif;font-size:21px;font-weight:400}.paper-title p{font-size:9px;letter-spacing:1.5px;margin-top:6px}.paper-title .stamp{font:9px monospace;border:1px solid #a28560;color:#94724c;padding:4px 5px;transform:rotate(7deg)}.timetable{width:100%;border-collapse:collapse;margin-top:16px;font-size:12px;table-layout:fixed}.timetable th{font-size:9px;letter-spacing:1px;text-transform:uppercase;text-align:left;border-top:1px solid #a9b099;border-bottom:1px solid #a9b099;padding:8px 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#b8b99c;position:relative}.dialog-top{display:flex;justify-content:space-between;align-items:center;padding:19px 27px;border-bottom:1px solid #bfc4a8}.dialog-top .eyebrow{color:#758063;font-size:9px}.close{background:transparent;border:1px solid #a8b59b;min-width:46px;font-size:21px;color:#354d3e}.dialog-body{padding:30px}.title-art{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;margin-bottom:25px}.title-block h2{font:52px/.98 Georgia,serif;letter-spacing:-2px;margin:12px 0 19px}.title-block .subtitle{font:italic 17px Georgia,serif;color:#7a7d60}.title-art figure{margin:0;position:relative}.title-art img{width:100%;height:230px;object-fit:cover;filter:sepia(.28) saturate(.65);border:7px solid #f6f0dc;box-shadow:0 3px 9px #2c492e33;transform:rotate(3deg)}.title-art figcaption{font:italic 11px Georgia,serif;color:#77795d;text-align:center;margin-top:10px}.intro-copy{font-size:13px;line-height:1.7;color:#52634d;max-width:610px}.mode-choice{display:grid;grid-template-columns:1fr 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#d29c3f00}50%{box-shadow:0 0 0 4px #d29c3f55}}@media(min-width:1400px){.board svg{max-height:300px}.controls,.paper-area{padding:25px 30px}}@media(max-width:1000px){.frame{padding:18px 18px 14px}.desk-top{padding:12px 17px;gap:13px}.station-name{font-size:21px}.shift-strip{padding-right:12px}.controls,.paper-area,.utilities{padding:18px}.paper{padding:15px}.point-bank{padding:10px}.route-button{font-size:11px}.board{padding:20px 16px 8px}.selected-info b{font-size:12px}.masthead{padding-bottom:17px}.lower-desk,.bottom-row{grid-template-columns:1.1fr 1fr}.clock{font-size:22px}.brand h1{font-size:24px}}@media(max-width:760px){.frame{padding:13px 12px}.masthead{gap:10px;flex-wrap:wrap}.brand h1{font-size:22px}.brand p{font-size:8px;letter-spacing:1.7px}.crest{width:35px;height:35px;font-size:20px}.masthead-actions{gap:6px}.quiet{padding:0 10px;font-size:11px;min-height:44px}.desk-top{flex-wrap:wrap;gap:10px;padding:12px}.station-name{font-size:22px;flex:1}.shift-strip{font-size:10px;border:0;padding:0}.clock{font-size:21px;flex:1;text-align:center}.run-button{flex:1}.lower-desk,.bottom-row{grid-template-columns:1fr}.controls,.utilities{border-right:0}.paper-area{border-top:1px solid #9fac96;padding:18px}.paper{transform:none}.board-meta{font-size:8px;letter-spacing:1px;gap:12px}.board-meta b{font-size:9px}.board svg{min-height:155px}.legend{gap:12px;font-size:8px}.legend span{gap:4px}.legend i{width:12px}.status-line{padding:10px 13px;font-size:11px;min-height:58px}.status-line .time-label{display:none}.controls{padding:18px}.hint{min-height:53px}.bottom-row{border-top:0}.operating-log{border-top:1px solid #94a18a;padding:17px 18px}.footer{font-size:9px;align-items:flex-start}.overlay{padding:16px 12px;align-items:flex-start}.dialog{max-height:calc(100dvh - 32px);margin:auto}.dialog-top{padding:13px 18px}.dialog-body{padding:23px 20px}.title-art{gap:15px;grid-template-columns:1.25fr 1fr}.title-block h2{font-size:43px;letter-spacing:-1px}.title-art img{height:185px}.title-block .subtitle{font-size:14px}.intro-copy{font-size:12px}.mode-card{padding:12px}.mode-card.active{padding:11px}.museum-card{grid-template-columns:1fr}.museum-card img{height:190px}.instruction-grid{gap:10px}.brief-title{font-size:32px}.brief-copy{font-size:13px}.result-numbers strong{font-size:29px}.result-numbers span{font-size:9px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}@media(max-width:420px){.masthead-actions{width:100%;justify-content:flex-end;margin-top:-5px}.masthead{padding-bottom:10px}.title-art{grid-template-columns:1fr}.title-art figure{display:none}.title-block h2{font-size:48px}.mode-choice,.instruction-grid{grid-template-columns:1fr}.shift-strip{max-width:140px}.station-name{font-size:20px}.board svg{min-height:130px}.points{gap:10px}.point-bank header{font-size:9px;letter-spacing:0}.point-bank{padding:8px}.point-button{font-size:11px}.selected-id{min-width:73px;font-size:22px}.selected-card{padding:11px;gap:10px}.legend{gap:9px;font-size:7px}.footer{flex-direction:column;gap:5px}}

.dialog-tools{display:flex;gap:8px;align-items:center}.dialog-tools .quiet{color:#354d3e;border-color:#a8b59b;white-space:nowrap}.dialog-top{gap:12px}
/* Connected district desk: the views share one simulation and clock. */
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.net-board{scroll-margin-top:150px}@media(max-width:760px){.net-board{scroll-margin-top:180px}}
.net-board:focus-visible{outline:2px solid #e4c16b;outline-offset:-3px}