:root{color-scheme:dark;--ink:#f8eddb;--dim:#c4cedd;--gold:#edc780;--panel:#131f34ed;--line:#597084}*{box-sizing:border-box}body{margin:0;background:linear-gradient(#101a2d99,#101a2de8),url(assets/skyport.webp) center/cover fixed;color:var(--ink);font:16px/1.6 'Yu Gothic','Meiryo',sans-serif}main{max-width:1160px;margin:auto;padding:18px}header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:5px 0 24px}header a{color:var(--ink);text-decoration:none;font:600 23px Georgia,serif;letter-spacing:.12em}small{display:block;font:10px/1.8 sans-serif;letter-spacing:.24em;color:var(--gold)}button,input,select{font:inherit}button,select,input[type=number]{border:1px solid var(--line);border-radius:8px;background:#1d3047;color:var(--ink);min-height:44px;padding:9px 15px}button{cursor:pointer;transition:background .15s,transform .15s}button:hover:not(:disabled){background:#345069}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #ffe1a0;outline-offset:3px}button:disabled{opacity:.45;cursor:default}.primary{background:#cce4dc;color:#142c30;border-color:#cce4dc;font-weight:700}.primary:hover:not(:disabled){background:#e2f8ee}.gold{background:#e5bd78;color:#302417;font-weight:700}.gold:hover:not(:disabled){background:#f4d9a6}.panel{border:1px solid #64778966;background:var(--panel);border-radius:18px;padding:24px;box-shadow:0 15px 50px #06101e55}.intro{max-width:640px;margin:30px 0 80px;padding:36px}h1,h2,p{margin-top:0}h1{font-size:40px;line-height:1.4;font-weight:600;letter-spacing:.08em;margin-bottom:20px}h2{font-size:18px;margin-bottom:12px}.eyebrow{font-size:12px;letter-spacing:.12em;color:var(--gold)}.sub{color:var(--dim);font-size:13px;line-height:1.7}.choices,.actions{display:flex;gap:10px;flex-wrap:wrap}.choices{margin:24px 0}.choices label{flex:1;min-width:140px}label{display:block}label input[type=number],label select{display:block;width:100%;margin-top:7px}details{margin-top:18px;color:var(--dim);font-size:14px}summary{cursor:pointer;min-height:36px;color:var(--gold)}.intro .sub{margin-top:20px}.playhead{display:flex;justify-content:space-between;align-items:center;gap:12px}.playhead h1{font-size:23px;margin:0 0 12px}#scene{position:relative;border:1px solid #7f8791;border-radius:16px;overflow:hidden;background:#17253c}canvas{display:block;width:100%;height:auto}#boards{position:absolute;inset:0}.grid{position:absolute;display:grid;gap:0}.cell{padding:0;min-height:0;background:transparent;border:0;border-radius:0;touch-action:manipulation}.cell:hover:not(:disabled){background:#fff3}.cell:focus-visible{outline:3px solid #fff;outline-offset:-3px;z-index:1}.status{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;padding:12px 2px 0}.status strong{color:var(--gold)}#message{min-height:30px;margin:4px 2px 12px;font-size:14px}.workbench{padding:18px}.cargohead{display:flex;justify-content:space-between;align-items:center;gap:12px}.cargohead h2{margin:0;font-size:16px}#selectedLabel{font-size:13px;color:var(--gold)}#cargo{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:7px;margin:12px 0}.cargo{padding:7px 2px;min-width:0;position:relative;display:flex;flex-direction:column;align-items:center;gap:3px}.cargo[aria-pressed=true]{outline:2px solid var(--gold);background:#354d59}.cargo.placed{opacity:.55}.cargo svg{width:48px;height:45px;max-width:100%}.cargo strong{font-size:12px}.cargo .tag{font-size:11px;color:var(--dim)}#preview{margin:10px 0 0;min-height:22px}kbd{font-size:11px;opacity:.75}footer,.bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--dim);font-size:12px;padding:18px 0}footer button{padding:0;min-height:28px;border:0;background:none;font-size:12px;color:var(--dim)}dialog{border:1px solid #91a0a7;border-radius:20px;background:#17263b;color:var(--ink);padding:30px;max-width:min(92vw,560px);box-shadow:0 20px 80px #000b}dialog::backdrop{background:#071121bb;backdrop-filter:blur(4px)}dialog h2{font-size:26px}dialog label{margin:18px 0}dialog input[type=range]{width:100%;display:block;min-height:36px;accent-color:#e5bd78}.check{display:flex;align-items:center;gap:10px}.check input{width:22px;height:22px}button[hidden],[hidden]{display:none!important}@media(max-width:700px){main{padding:12px}header{padding-bottom:14px}header a{font-size:19px}.intro{margin:10px 0 35px;padding:23px}h1{font-size:31px}.workbench{padding:12px}#cargo{grid-template-columns:repeat(5,minmax(0,1fr))}.actions{gap:7px}.actions button{padding:9px 12px;font-size:14px}#scene{border-radius:10px}.status{font-size:14px}.playhead h1{font-size:20px}.cargohead{align-items:flex-start}.cargohead h2{font-size:14px}#selectedLabel{font-size:12px}.cargo svg{height:36px}.playhead button{font-size:13px;padding:8px}.panel{border-radius:12px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.intro{max-width:100%;max-width:1020px}.intro>p{max-width:620px}#routeMap{margin:28px 0 34px}#routeMap h3{font-size:14px;color:var(--gold);font-weight:500;margin:22px 0 10px}.routeList{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.routeList button{text-align:left;padding:12px;display:flex;flex-direction:column;gap:4px}.routeList button span{font-size:12px;color:var(--gold)}.routeList strong{font-size:14px}.routeList small{font-size:10px;letter-spacing:0;color:var(--dim)}#trimStatus{margin:6px 2px} @media(max-width:700px){.routeList{grid-template-columns:repeat(2,minmax(0,1fr))}.routeList button{padding:10px}.intro{padding:20px}#routeMap{margin:20px 0}}
@media(min-width:1000px){#play:not([hidden]){display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:0 18px;align-items:start}.playhead{grid-column:1/3}#scene{grid-column:1;grid-row:2}.workbench{grid-column:2;grid-row:2/7;padding:14px}#cargo{grid-template-columns:repeat(2,minmax(0,1fr))}.cargo{flex-direction:row;flex-wrap:wrap;padding:7px}.cargo svg{width:40px;height:35px}.cargo .tag{width:100%;font-size:10px}.status,#trimStatus,#message,.bottom{grid-column:1}.actions button{flex:1;min-width:110px}.cargohead{display:block}#selectedLabel{display:block;margin-top:4px}#preview{font-size:12px}}

.panTabs{display:none}@media(max-width:699px){.panTabs{display:flex;gap:8px;margin-bottom:10px}.panTabs button{flex:1;font-size:14px}.panTabs button[aria-pressed=true]{border-color:#edc780;background:#425362}.playhead h1{font-size:18px}.playhead{align-items:center}#message{font-size:13px}.workbench .actions{position:sticky;bottom:0;background:#132035;padding:8px 0;z-index:4}.cargo{min-height:76px}}
@media(max-width:699px){.workbench .actions{position:static}}

@media(min-width:1000px){#play .flightDesk{grid-column:1;grid-row:2}#play .workbench{grid-column:2;grid-row:2}#play{grid-template-rows:auto auto}#play .status{padding-top:14px}#play .bottom{margin-top:12px}}