*,*::before,*::after{box-sizing:border-box}
html,body{margin:0}
[hidden]{display:none!important}
/* Layout: full-bleed isometric diorama of the airfield; title card top-left, legend rail right (bottom sheet on phones), map controls bottom-left */
:root{
  --sky:#dde3e5; --sky-2:#f0f3f3;
  --panel:rgba(255,255,255,.93); --panel-solid:#ffffff;
  --ink:#0f2230; --muted:#56697a; --line:rgba(15,34,48,.12); --hover:rgba(15,34,48,.06);
  --accent:#0757af; --on-accent:#ffffff;
  --c-visitor:#1d72d8; --c-flight:#f2601d; --c-exhibit:#7a4cd4; --c-food:#d48f00; --c-safety:#d8344a;
  --shadow:0 8px 28px rgba(15,34,48,.16);
  --f-display:"LINE Seed Sans TH","Sarabun",system-ui,sans-serif;
  --f-body:"Sarabun",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --sky:#0b1824; --sky-2:#16293a;
    --panel:rgba(16,29,42,.92); --panel-solid:#132433;
    --ink:#e7eef5; --muted:#97a9b9; --line:rgba(231,238,245,.14); --hover:rgba(231,238,245,.07);
    --accent:#5aa2f0; --shadow:0 8px 28px rgba(0,0,0,.45);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --sky:#0b1824; --sky-2:#16293a;
  --panel:rgba(16,29,42,.92); --panel-solid:#132433;
  --ink:#e7eef5; --muted:#97a9b9; --line:rgba(231,238,245,.14); --hover:rgba(231,238,245,.07);
  --accent:#5aa2f0; --shadow:0 8px 28px rgba(0,0,0,.45);
  color-scheme:dark;
}
html,body{height:100%}
body{background:var(--sky);color:var(--ink);font-family:var(--f-body);overflow:hidden}
button{font:inherit;color:inherit}
button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

#stage{position:fixed;inset:0;background:radial-gradient(120% 90% at 40% 35%,var(--sky-2),var(--sky));touch-action:none;cursor:grab;overflow:hidden;outline:none}
#stage.drag{cursor:grabbing}
#map{display:block;width:100%;height:100%}
#pins{position:absolute;inset:0;pointer-events:none}

/* pins */
.pin{position:absolute;left:0;top:0;border:0;background:none;padding:0;cursor:pointer;pointer-events:auto;will-change:transform;--c:var(--accent)}
.pin .mk{position:absolute;left:-14px;top:-34px;width:28px;height:28px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:var(--c);border:2px solid #fff;box-shadow:0 3px 8px rgba(0,0,0,.28);transition:transform .15s}
.pin .num{position:absolute;left:-14px;top:-34px;width:28px;height:28px;display:grid;place-items:center;color:#fff;font:600 13px/1 var(--f-display);font-variant-numeric:tabular-nums}
.pin .lbl{position:absolute;left:18px;top:-38px;white-space:nowrap;background:var(--panel-solid);color:var(--ink);border-radius:6px;padding:4px 9px 4px 8px;box-shadow:0 3px 10px rgba(0,0,0,.18);display:none;text-align:left;line-height:1.2;border-left:3px solid var(--c)}
.pin .lbl b{display:block;font-weight:600;font-size:12.5px}
.pin .lbl i{display:block;font-style:normal;font-family:var(--f-mono);font-size:10px;letter-spacing:.04em;color:var(--muted);text-transform:uppercase}
.pin.show .lbl,.pin:hover .lbl,.pin.active .lbl,.pin:focus-visible .lbl{display:block}
.pin:hover .mk,.pin.active .mk{transform:rotate(-45deg) scale(1.14)}
.pin.active::after{content:"";position:absolute;left:-12px;top:-6px;width:24px;height:12px;border-radius:50%;border:2px solid var(--c);animation:ring 1.4s ease-out infinite}
.pin:hover,.pin.active{z-index:2}
@keyframes ring{from{transform:scale(.6);opacity:1}to{transform:scale(2.2);opacity:0}}
body.no-ev .pin.ev{display:none}

/* title card */
#title{position:fixed;left:16px;top:calc(16px + env(safe-area-inset-top,0px));background:var(--panel);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:12px;box-shadow:var(--shadow);padding:14px 18px 14px;max-width:min(380px,calc(100% - 32px))}
.eyebrow{font:600 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);display:flex;gap:10px;align-items:center}
.eyebrow .pg{background:var(--accent);color:var(--on-accent);padding:4px 6px;border-radius:4px;letter-spacing:.06em}
#title h1{font:700 26px/1.1 var(--f-display);margin:8px 0 4px;letter-spacing:.01em;text-wrap:balance}
#title p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
.spec{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.spec span{font:500 10.5px/1 var(--f-mono);letter-spacing:.05em;border:1px solid var(--line);border-radius:4px;padding:5px 6px;color:var(--muted);font-variant-numeric:tabular-nums}

/* legend */
#legend{position:fixed;right:16px;top:calc(16px + env(safe-area-inset-top,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));width:310px;background:var(--panel);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-radius:12px;box-shadow:var(--shadow);display:flex;flex-direction:column;overflow:hidden}
.lg-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px;border:0;background:none;border-bottom:1px solid var(--line);cursor:default;text-align:left}
.lg-head b{font:600 15px/1.2 var(--f-display);letter-spacing:.02em}
.lg-head small{display:block;font:500 10.5px/1.3 var(--f-mono);color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.lg-head .chev{display:none;width:28px;height:28px;border-radius:50%;place-items:center;background:var(--hover);font-size:14px}
.lg-body{overflow:auto;padding:6px 8px 12px;flex:1;min-height:0}
.cat{margin-top:10px}
.cat h3{margin:0;padding:4px 8px;font:600 12px/1.2 var(--f-body);letter-spacing:.01em;color:var(--muted);display:flex;align-items:center;gap:8px}
.cat h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--c)}
.item{display:grid;grid-template-columns:26px 1fr;gap:10px;align-items:center;width:100%;border:0;background:none;padding:7px 8px;border-radius:8px;cursor:pointer;text-align:left}
.item:hover{background:var(--hover)}
.item.active{background:var(--hover);box-shadow:inset 3px 0 0 var(--c)}
.item .n{width:24px;height:24px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font:600 12px/1 var(--f-display);font-variant-numeric:tabular-nums}
.item .t{min-width:0}
.item .t b{display:block;font-weight:500;font-size:13.5px;line-height:1.3}
.item .t i{display:block;font-style:normal;font:500 10.5px/1.3 var(--f-mono);color:var(--muted);letter-spacing:.03em}
.note{margin:14px 8px 0;padding:10px 12px;border-radius:8px;border:1px dashed var(--line);font-size:12px;line-height:1.5;color:var(--muted)}
.note code{font-family:var(--f-mono);font-size:11px;color:var(--ink)}

/* card */
#card{position:fixed;left:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));width:min(340px,calc(100% - 32px));background:var(--panel-solid);border-radius:12px;box-shadow:var(--shadow);padding:14px 16px 16px;border-top:4px solid var(--c);z-index:5}
#card .cc{font:600 10.5px/1 var(--f-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--c)}
#card h2{margin:6px 0 2px;font:700 19px/1.2 var(--f-display);padding-right:28px}
#card .en{margin:0 0 8px;font:500 11px/1.3 var(--f-mono);color:var(--muted);letter-spacing:.04em;text-transform:uppercase}
#card .desc{margin:0;font-size:13.5px;line-height:1.55}
#card .x{position:absolute;right:10px;top:10px;width:28px;height:28px;border-radius:50%;border:0;background:var(--hover);cursor:pointer;font-size:15px;line-height:1}

/* controls */
#ctrl{position:fixed;left:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:10px;align-items:flex-start}
body.card-open #ctrl{bottom:calc(16px + env(safe-area-inset-bottom,0px) + var(--card-h,0px) + 12px)}
.zoom{display:flex;flex-direction:column;background:var(--panel);border-radius:10px;box-shadow:var(--shadow);overflow:hidden}
.zoom button{width:40px;height:40px;border:0;background:none;cursor:pointer;font:600 18px/1 var(--f-display);display:grid;place-items:center}
.zoom button+button{border-top:1px solid var(--line)}
.zoom button:hover{background:var(--hover)}
.zoom svg{width:18px;height:18px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:7px 12px;font-size:12.5px;cursor:pointer;box-shadow:var(--shadow);display:flex;gap:6px;align-items:center}
.chip::before{content:"";width:10px;height:10px;border-radius:3px;border:1.5px solid var(--muted)}
.chip[aria-pressed="true"]::before{background:var(--accent);border-color:var(--accent)}
.meter{display:flex;gap:12px;align-items:center;background:var(--panel);border-radius:10px;box-shadow:var(--shadow);padding:8px 12px}
.scale{display:flex;flex-direction:column;gap:3px}
.scale .bar{height:6px;border:2px solid var(--ink);border-top:0}
.scale span{font:500 10.5px/1 var(--f-mono);color:var(--muted);font-variant-numeric:tabular-nums}
.compass{width:32px;height:32px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;position:relative}
.compass svg{width:22px;height:22px;transition:transform .25s}
.hint{font-size:11.5px;color:var(--muted)}

@media (max-width:760px){
  #title{padding:10px 14px;right:16px;max-width:none}
  #title h1{font-size:20px;margin:6px 0 2px}
  #title p,.spec{display:none}
  #legend{left:0;right:0;top:auto;bottom:0;width:auto;border-radius:16px 16px 0 0;max-height:62%;padding-bottom:env(safe-area-inset-bottom,0px)}
  .lg-head{cursor:pointer}
  .lg-head .chev{display:grid}
  #legend.collapsed .lg-body{display:none}
  #legend.collapsed .chev{transform:rotate(180deg)}
  #ctrl{left:auto;right:16px;bottom:calc(var(--sheet-h,64px) + 12px);align-items:flex-end}
  body.card-open #ctrl{bottom:calc(var(--sheet-h,64px) + 12px)}
  #ctrl .row{justify-content:flex-end}
  .hint{display:none}
  #card{bottom:calc(var(--sheet-h,64px) + 12px);width:calc(100% - 92px)}
}
@media (prefers-reduced-motion:reduce){.pin.active::after{animation:none}}

.brandrow{display:flex;align-items:center;gap:12px}
.brandrow img{width:46px;height:46px;border-radius:8px;object-fit:contain;background:#fff;flex:none}
.backlink{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-size:12.5px;color:var(--accent);text-decoration:none;font-weight:600}
.backlink:hover{text-decoration:underline}
#card .go{display:inline-block;margin-top:12px;padding:8px 12px;border-radius:8px;background:var(--c);color:#fff;text-decoration:none;font-size:13px;font-weight:600}
#card .go:hover{filter:brightness(1.08)}
@media (max-width:760px){.brandrow img{width:34px;height:34px}.backlink{display:none}}

#map{transition:opacity .12s}
#stage.rotating #map{opacity:.35}

/* Passport learning stations: distinct colour and S1–S4 identifiers. */
.passport-stations{background:#f4edfc;border:1px solid #d9c4ee;border-radius:12px;margin:10px 8px;padding:10px 0}.passport-stations h3{color:#622b9c!important}.passport-stations .item .n{font-size:11px;background:#7639b5}.passport-stations .item{border-radius:8px}.stamp-badge{display:inline-block!important;font:700 9px/1.5 var(--f-body)!important;font-style:normal!important;letter-spacing:.04em;background:#eee1fa;color:#622b9c!important;border-radius:4px;padding:2px 6px;margin-top:5px}.passport-stamp-pin .mk{box-shadow:0 0 0 3px #dcc5f0,0 3px 8px #001b4444}.passport-stamp-pin .num{font-size:11px}.passport-stamp-pin .lbl{border-left-color:#7639b5}.passport-stations .item.active{background:#e5d4f5!important}

#zoneDetailVisual .station-mockup{margin:0}#zoneDetailVisual .station-mockup img{max-height:none;height:auto;width:100%;display:block;background:#001b44}#zoneDetailVisual .station-mockup figcaption{padding:10px 24px;font-size:11px;color:#637891;background:#f2edf8}.station-passport-flow{display:flex;gap:12px;flex-wrap:wrap;padding:16px 24px;background:#eee4fa;color:#622b9c;font-size:12px}.station-passport-flow span{padding:8px 12px;background:white;border-radius:6px;font-weight:600}

.map-pin-filters{margin:10px 12px 18px;padding:14px;background:#eef3f8;border:1px solid #d3dfeb;border-radius:10px}.map-filter-heading{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-size:11px;color:#102d4d}.map-filter-heading span{font-size:10px;color:#60758b}.map-filter-actions{display:flex;gap:8px;margin:12px 0}.map-filter-actions button{background:white;border:1px solid #b6c7d8;border-radius:5px;padding:7px 10px;font:inherit;font-size:11px;cursor:pointer;color:#102d4d}.map-pin-filters p{font-size:10px;line-height:1.6;color:#60758b;margin:8px 0}.map-pin-filters fieldset{border:0;border-left:3px solid var(--category-color);padding:6px 10px;margin:12px 0 0;display:flex;gap:18px}.map-pin-filters legend{font-size:11px;font-weight:600;padding:0 4px;color:#102d4d}.map-pin-filters label{display:flex;align-items:center;gap:5px;font-size:11px;cursor:pointer}.map-pin-filters input{accent-color:var(--category-color);width:16px;height:16px;margin:0}.pin.pin-no-number .num{display:none}.category-no-numbers .item .n{visibility:hidden}.category-pins-off .item{opacity:.55}.map-filter-actions button:focus-visible,.map-pin-filters input:focus-visible{outline:3px solid #ee9c39;outline-offset:2px}

/* Collapse points-of-interest on desktop as well as mobile. */
.lg-head{cursor:pointer;width:100%;flex-shrink:0}.lg-head .chev{display:grid;flex-shrink:0}#legend.collapsed .lg-body{display:none}#legend.collapsed .chev{transform:rotate(180deg)}#legend.collapsed .lg-head{border-bottom:0}.lg-head:focus-visible{outline:3px solid #ee9c39;outline-offset:-4px}@media(min-width:761px){#legend.collapsed{bottom:auto}}

.association-render-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:16px}.association-render-gallery a{background:#edf3e6;border:1px solid #c9d5c1;border-radius:8px;padding:12px;color:#001b44;text-decoration:none}.association-render-gallery img{max-height:220px!important;width:100%;height:180px!important;object-fit:contain;background:transparent!important}.association-render-gallery strong,.association-render-gallery small{display:block;margin-top:8px}.association-render-gallery small{font-size:11px;line-height:1.5;color:#637891}#associationMxiiVisual{max-width:none;margin:12px 0}#associationAircraftDialog{width:min(1050px,94vw);max-height:92dvh;overflow:auto;background:#eef3e7;color:#001b44;border:0;border-radius:14px;padding:25px}#associationAircraftDialog::backdrop{background:#001b4499}.association-aircraft-close{float:right;font-size:28px;cursor:pointer;border:0;background:#dce6d4;border-radius:6px;width:42px;height:42px}.association-aircraft-full img{display:block;width:100%;max-height:68dvh;object-fit:contain}.association-aircraft-note{font-size:14px}#associationAircraftDialog small{font-size:11px}@media(max-width:600px){.association-render-gallery{grid-template-columns:1fr}.association-render-gallery img{height:170px!important}}