/* 3-D atmosphere viewer (atmosphere3d.html, rebuild 2026-11-15). Uses the mf.css tokens (--ink, --line, --card, --accent, --navy, --mono). */
.a3-main{padding-top:26px;padding-bottom:36px}
.a3-head{display:flex;flex-wrap:wrap;gap:6px 24px;align-items:flex-end;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:12px}
.a3-head h1{margin:4px 0 0;font-size:28px;font-weight:700;letter-spacing:-.018em;line-height:1.15}
.a3-head .kicker{margin:0;font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.a3-run{font:500 11.5px var(--mono);color:var(--ink-3)}
.a3-app{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:16px;margin-top:16px;align-items:start}
.a3-app:fullscreen{background:var(--bg);padding:12px;margin:0;overflow:auto;grid-template-columns:minmax(0,1fr) 320px}
.a3-app:fullscreen .a3-view{height:calc(100vh - 92px)}
.a3-stage{min-width:0}
.a3-view{position:relative;height:min(76vh,820px);min-height:420px;border-radius:14px;overflow:hidden;
  background:radial-gradient(120% 90% at 50% 0%,#1d4466 0%,#0f2b45 45%,#0b1f33 100%);box-shadow:var(--shadow);touch-action:none;color:#e9f4fb}
.a3-view canvas{display:block;width:100%;height:100%;outline:none}
.a3-msg{position:absolute;inset:0;display:grid;place-items:center;padding:24px;text-align:center;color:#d9eaf6;font-size:14px;line-height:1.5;pointer-events:none;z-index:6}
.a3-msg[hidden]{display:none}
.a3-msg.err{background:#0b1f33e6;pointer-events:auto}
.a3-msg.busy{inset:auto;left:50%;top:50%;transform:translate(-50%,-50%);background:#0b1f33cc;border-radius:10px;padding:10px 16px;font-size:13px}

/* on-map title strip: always says what is shown */
.a3-title{position:absolute;left:10px;top:10px;z-index:4;max-width:min(520px,calc(55% - 20px));background:#0b1f33d9;border:1px solid #ffffff24;border-radius:10px;padding:8px 11px;pointer-events:none;backdrop-filter:blur(3px)}
.a3-title .t1{font-size:15px;font-weight:700;letter-spacing:-.005em;line-height:1.25}
.a3-title .t1 span{font-weight:500;color:#9fc3dc;margin-left:6px;font-size:12.5px}
.a3-title .t2{font-size:12px;color:#cfe3f1;line-height:1.4;margin-top:2px}
.a3-title .t3{font:500 11px var(--mono);color:#ffd98a;margin-top:4px;line-height:1.45}

.a3-tools{position:absolute;top:10px;right:10px;display:flex;gap:6px;z-index:5;align-items:flex-start;max-width:46%;justify-content:flex-end;flex-wrap:wrap}
.a3-presets{display:flex;flex-wrap:wrap;gap:4px;justify-content:flex-end}
.a3-presets button,.a3-ic{font:600 11.5px Inter,system-ui,sans-serif;color:#e9f4fb;background:#0b1f33cc;border:1px solid #ffffff2e;border-radius:8px;padding:5px 9px;cursor:pointer;white-space:nowrap}
.a3-presets button:hover,.a3-ic:hover{background:#123a5c}
.a3-presets button.on{background:var(--accent);border-color:transparent;color:#fff}
.a3-ic{min-width:30px;font-size:13px;padding:4px 8px}
/* Clean view (H): all text over the 3-D view hidden; the eye button stays, small and semi-transparent */
.a3-eye{display:inline-flex;align-items:center;gap:5px;padding:4px 8px;line-height:1;border-color:#ffd16699}.a3-eye svg{flex:none}.a3-eye .a3-eyeoff{display:none}
.a3-eye .a3-eyelab{font:600 11.5px Inter,system-ui,sans-serif}
/* 11-15 13:40 fix: hide EVERYTHING over the canvas except the eye button (title, legend, labels, hover box, status, compass, view
   buttons, help, full screen, busy notes); errors still show */
.a3-clean>:not(canvas):not(.a3-tools):not(.a3-toast):not(.a3-howto):not(.a3-labels),.a3-clean .a3-tools>:not(.a3-eye):not(.a3-keep),.a3-clean .a3-labels>:not(.a3-pl){display:none!important}
/* owner 11:40: place names (cities, airports) are map layers with their own boxes; Clean view leaves them alone */
.a3-clean .a3-msg.err{display:grid!important}
.a3-clean .a3-eye{opacity:.55;background:#0b1f3399;border-color:#ffffff2e}.a3-clean .a3-eye:hover{opacity:1}.a3-clean .a3-eye .a3-eyeoff{display:inline}.a3-clean .a3-eye .a3-eyelab{display:none}
.a3-toast{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);z-index:6;background:#0b1f33e6;border:1px solid #ffffff33;border-radius:8px;padding:6px 12px;font:600 12px Inter,system-ui,sans-serif;color:#f3faff;pointer-events:none}

/* legend: always visible */
.a3-legend{position:absolute;left:10px;bottom:10px;z-index:4;width:min(330px,calc(100% - 90px));background:#0b1f33e0;border:1px solid #ffffff24;border-radius:10px;padding:8px 10px;font-size:11.5px;line-height:1.35;color:#dcebf5}
.a3-legend .lh{font-weight:700;font-size:11.5px;margin-bottom:5px;color:#fff}
.a3-legend .bar{height:10px;border-radius:3px;border:1px solid #ffffff30;background:#16324d}
.a3-legend .tk{position:relative;height:14px;font:500 10px var(--mono);color:#b9d3e4}
.a3-legend .tk span{position:absolute;transform:translateX(-50%);top:2px;white-space:nowrap}
.a3-legend .cats{display:flex;flex-wrap:wrap;gap:3px 10px;margin-top:4px}
.a3-legend .cats span{display:inline-flex;align-items:center;gap:5px}
.a3-legend i{display:inline-block;width:11px;height:11px;border-radius:2px;flex:none;border:1px solid #ffffff40}
.a3-legend i.ln{height:0;width:16px;border:0;border-top:2px solid;border-radius:0}
.a3-legend .ov{margin-top:6px;padding-top:5px;border-top:1px solid #ffffff1f;display:flex;flex-wrap:wrap;gap:3px 10px;color:#b9d3e4}
.a3-legend .ov span{display:inline-flex;align-items:center;gap:5px}

.a3-compass{position:absolute;right:12px;bottom:12px;z-index:4;width:46px;height:46px;border-radius:50%;background:#0b1f33d9;border:1px solid #ffffff2e;pointer-events:none}
.a3-compass span{position:absolute;left:50%;top:50%;font:700 11px var(--mono);color:#ffd166;transform:translate(-50%,-50%) translateY(-14px)}
.a3-compass i{position:absolute;left:50%;top:50%;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:16px solid #ffd166;transform:translate(-50%,-80%)}
.a3-compass>*{transform-origin:50% 50%}
.a3-tip{position:absolute;z-index:5;pointer-events:none;background:#0b1f33f0;border:1px solid #ffffff33;border-radius:8px;padding:6px 8px;font:500 11.5px var(--mono);color:#f3faff;white-space:nowrap;line-height:1.45;transform:translate(14px,14px)}
.a3-tip b{color:#ffd98a}
.a3-stat{position:absolute;right:66px;bottom:12px;font:500 10px var(--mono);color:#a9c6d9;background:#0b1f33b3;border-radius:5px;padding:2px 6px;z-index:3;pointer-events:none}
.a3-stat:empty{display:none}

.a3-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:2}
.a3-labels span{position:absolute;transform:translate(-50%,-115%);font:700 10.5px var(--mono);color:#f3faff;background:#0b1f33b3;border:1px solid #ffffff2e;border-radius:4px;padding:1px 4px;white-space:nowrap}
.a3-labels span.big{font-size:11.5px;background:#0b1f33e0;border-color:#ffd16680}
.a3-labels span.ax{transform:translate(6px,-50%);background:none;border:0;color:#9fc3dc;font-weight:500;font-size:10px}
.a3-labels span.sl{transform:translate(-50%,-130%);background:#ffd166;color:#0b1f33;border:0}

.a3-howto{position:absolute;inset:0;z-index:8;display:grid;place-items:center;background:#0b1f33b8;padding:16px}
.a3-howto[hidden]{display:none}
.a3-howto .box{max-width:520px;background:var(--card);color:var(--ink);border-radius:12px;padding:18px 20px;box-shadow:var(--shadow);max-height:100%;overflow:auto}
.a3-howto h2{margin:0 0 10px;font-size:17px}
.a3-howto ol{margin:0 0 10px;padding-left:20px;font-size:13px;line-height:1.55;color:var(--ink-2)}
.a3-howto li{margin-bottom:5px}
.a3-howto button{font:600 13px Inter,system-ui,sans-serif;color:#fff;background:var(--accent);border:0;border-radius:8px;padding:8px 16px;cursor:pointer}

/* timeline */
.a3-time{display:flex;align-items:center;gap:10px;margin-top:10px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px 10px;flex-wrap:wrap}
.a3-play{font:600 13px Inter,system-ui,sans-serif;color:#fff;background:var(--navy);border:0;border-radius:8px;min-width:42px;height:32px;cursor:pointer}
.a3-slider{position:relative;flex:1;min-width:160px;display:flex;align-items:center}
.a3-slider input{position:relative;width:100%;margin:0;accent-color:var(--accent);background:transparent;z-index:1}
.a3-buf{position:absolute;left:0;right:0;top:50%;height:4px;transform:translateY(-50%);border-radius:2px;opacity:.55}
.a3-hlab{font:600 12px var(--mono);color:var(--ink);white-space:nowrap;min-width:150px}
.a3-chk{font-size:12px;color:var(--ink-2);display:inline-flex;align-items:center;gap:4px;cursor:pointer}
.a3-chk input{accent-color:var(--accent);margin:0}

/* segmented buttons */
.a3-seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;flex:none}
.a3-seg button{font:600 11.5px Inter,system-ui,sans-serif;color:var(--ink-2);background:var(--card);border:0;border-left:1px solid var(--line);padding:5px 9px;cursor:pointer;white-space:nowrap}
.a3-seg button:first-child{border-left:0}
.a3-seg button.on{background:var(--navy);color:#fff}

/* side panel */
.a3-side{display:flex;flex-direction:column;gap:12px;min-width:0}
.a3-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 13px;box-shadow:var(--shadow);min-width:0}
.a3-h{margin:0 0 8px;font-size:10px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.a3-vars{display:flex;flex-direction:column;gap:8px}
.a3-grp{min-width:0}
.a3-grp>b{display:block;font-size:10.5px;font-weight:700;color:var(--ink-3);margin-bottom:4px;letter-spacing:.02em}
.a3-grp>div{display:flex;flex-wrap:wrap;gap:4px}
.a3-chip{font:600 12px Inter,system-ui,sans-serif;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 10px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.a3-chip i{width:9px;height:9px;border-radius:50%;flex:none}
.a3-chip:hover{border-color:var(--accent)}
.a3-chip.on{background:var(--navy);color:#fff;border-color:var(--navy);box-shadow:0 0 0 2px var(--accent)}
.a3-chip[disabled]{opacity:.45;cursor:not-allowed}
.a3-modes,.a3-decks{display:flex;flex-wrap:wrap;gap:4px;margin-top:10px;padding-top:9px;border-top:1px solid var(--line-2)}
.a3-modes[hidden],.a3-decks[hidden]{display:none}
.a3-modes>span,.a3-decks>span{width:100%;font-size:10.5px;font-weight:700;color:var(--ink-3)}
.a3-modes button,.a3-decks button{font:600 11.5px Inter,system-ui,sans-serif;color:var(--ink-2);background:var(--card);border:1px solid var(--line);border-radius:7px;padding:4px 8px;cursor:pointer}
.a3-modes button.on{background:var(--accent);border-color:var(--accent);color:#fff}
.a3-decks button{display:inline-flex;align-items:center;gap:5px}
.a3-decks button i{width:10px;height:10px;border-radius:2px;border:1px solid #0f223633}
.a3-decks button:not(.on){opacity:.5;text-decoration:line-through}
.a3-ovl{display:grid;grid-template-columns:1fr 1fr;gap:5px 8px}
.a3-ovl label{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink);cursor:pointer;min-width:0}
.a3-ovl input{margin:0;accent-color:var(--accent)}
.a3-wind,.a3-levrow,.a3-row{display:flex;align-items:center;gap:8px;margin-top:9px;flex-wrap:wrap}
.a3-levrow input[type=range]{flex:1;min-width:80px;accent-color:var(--accent)}
.a3-lab{font-size:11px;font-weight:600;color:var(--ink-3);min-width:52px}
.a3-mono{font:600 11.5px var(--mono);color:var(--ink);min-width:48px;text-align:right}
.a3-row input{height:30px;width:64px;border:1px solid var(--line);border-radius:7px;background:var(--card);padding:0 8px;font:500 12.5px var(--mono);color:var(--ink);text-transform:uppercase}
.a3-slicelink{margin:9px 0 0;font-size:12px}
.a3-slicelink a{color:var(--accent-2);font-weight:600}
.a3-sliceoff{font:inherit;font-weight:600;color:inherit;background:transparent;border:1px solid currentColor;border-radius:6px;padding:2px 8px;cursor:pointer;opacity:.85}
.a3-sliceoff:hover{opacity:1}
.a3-ov{display:block;width:100%;height:auto;border-radius:8px;background:#0f2b45;cursor:crosshair;touch-action:manipulation}
.a3-dim{font-size:12px;color:var(--ink-3);line-height:1.5}
.a3-colcard{margin-top:12px}
.a3-col{font-size:12px}
.a3-col .hd{margin-bottom:8px;line-height:1.5;color:var(--ink-2)}
.a3-col .tw{max-height:340px;overflow:auto;border:1px solid var(--line-2);border-radius:8px}
.a3-col table{width:100%;min-width:520px;border-collapse:collapse;font:500 10.5px var(--mono)}
.a3-col th{position:sticky;top:0;background:var(--card);font-weight:700;color:var(--ink-3);text-align:right;padding:4px 4px;border-bottom:1px solid var(--line)}
.a3-col td{text-align:right;padding:2px 4px;border-bottom:1px solid var(--line-2);white-space:nowrap}
.a3-col tr.cl td{background:var(--line-2)}
.a3-col .tb{color:#c25e00;font-weight:700}.a3-col .ic{color:#0b7fae;font-weight:700}.a3-col .jt{color:#b0249f;font-weight:700}.a3-col .fz{color:#0b7fae}
.a3-notes{margin-top:18px;max-width:92ch}
.a3-notes ul{margin:0;padding-left:18px;font-size:13px;line-height:1.65;color:var(--ink-2)}
.a3-notes li{margin-bottom:6px}
.a3-mpresets{display:none;gap:4px;margin-top:8px;overflow-x:auto;padding-bottom:2px}
.a3-mpresets button{font:600 11.5px Inter,system-ui,sans-serif;color:var(--ink-2);background:var(--card);border:1px solid var(--line);border-radius:7px;padding:5px 9px;cursor:pointer;white-space:nowrap;flex:none}
.a3-mpresets button.on{background:var(--accent);border-color:var(--accent);color:#fff}
@media(max-width:1020px){.a3-app{grid-template-columns:minmax(0,1fr)}.a3-view{height:64vh;min-height:360px}
  .a3-vars{flex-direction:row;overflow-x:auto;gap:12px;padding-bottom:4px}.a3-grp{flex:none}.a3-grp>div{flex-wrap:nowrap}}
@media(max-width:560px){.wrap.a3-main{padding-left:16px;padding-right:16px}.a3-head h1{font-size:23px}
  .a3-title{max-width:calc(100% - 20px);padding:6px 8px}.a3-title .t1{font-size:13.5px}.a3-title .t2{display:none}
  .a3-tools{top:auto;bottom:10px;right:10px;max-width:none}.a3-presets{display:none}.a3-mpresets{display:flex}.a3-compass{bottom:auto;top:auto;right:10px;bottom:52px;width:38px;height:38px}
  .a3-legend{width:calc(100% - 64px);font-size:10.5px}.a3-stat{display:none}.a3-ovl{grid-template-columns:1fr}.a3-hlab{min-width:0}}
/* cities (map layers 2026-11-15): plain text with a dark halo and a dot, so they never read as airport codes */
.a3-labels span.city{font:600 11px Inter,system-ui,sans-serif;color:#fff;background:none;border:0;padding:0 0 7px;text-shadow:0 0 3px #000,0 0 2px #000,0 1px 2px #000}
.a3-labels span.city::after{content:"";position:absolute;left:50%;bottom:0;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:#fff;box-shadow:0 0 0 1.5px #0b1f33}
.a3-labels span.city.r1{font-size:12.5px;font-weight:700}
.a3-labels span.st{font:600 10.5px Inter,system-ui,sans-serif;color:#1c2630;background:none;border:0;padding:0;text-shadow:0 0 2px #f4f1ea,0 0 3px #f4f1ea,0 0 4px #f4f1ea;letter-spacing:.02em}
.a3-svb.on{background:#ffd166;color:#0b1f33;border-color:#ffd166}
.a3-agl{position:absolute;left:10px;top:50%;z-index:3;font:600 11px var(--mono);color:#e9f4fb;background:#0b1f33b3;border:1px solid #ffffff2e;border-radius:4px;padding:2px 6px;pointer-events:none}
.a3-labels span.city.r3{font-size:10.5px;font-weight:500;color:#e8eef3}

/* ---- App / pop-out mode (owner 11:48): ?app=1 or the installed app (display-mode standalone). The 3-D view fills the window, the
   controls are a drawer on the right, the time bar floats at the bottom. The normal page layout is unchanged without the class. */
.a3-apponly{display:none}
.a3-clean .a3-keep{opacity:.55;background:#0b1f3399}.a3-clean .a3-keep:hover{opacity:1}
html.a3-appmode,html.a3-appmode body{height:100%;overflow:hidden;background:#0b1f33}
html.a3-appmode body>:not(main),html.a3-appmode main>.wrap>:not(.a3-app),html.a3-appmode #a3pop{display:none!important}
html.a3-appmode .a3-apponly{display:inline-flex}
html.a3-appmode .wrap.a3-main{max-width:none;padding:0;margin:0}
html.a3-appmode .a3-app{position:fixed;inset:0;display:block;margin:0;z-index:50;background:#0b1f33}
html.a3-appmode .a3-app:fullscreen{padding:0}
html.a3-appmode .a3-stage{position:absolute;inset:0}
html.a3-appmode .a3-view,html.a3-appmode .a3-app:fullscreen .a3-view{position:absolute;inset:0;height:auto;min-height:0;border-radius:0}
html.a3-appmode .a3-time{position:absolute;left:10px;right:10px;bottom:10px;margin:0;z-index:7;background:#0b1f33e6;border-color:#ffffff2e;color:#e9f4fb}
html.a3-appmode .a3-time .a3-hlab,html.a3-appmode .a3-time .a3-chk{color:#e9f4fb}
html.a3-appmode .a3-legend{bottom:70px;max-height:calc(100% - 200px);overflow:auto}
html.a3-appmode .a3-compass{bottom:70px}
html.a3-appmode .a3-toast{bottom:76px}
html.a3-appmode .a3-tools{top:10px;bottom:auto;max-width:60%}
html.a3-appmode .a3-side{position:fixed;top:0;right:0;bottom:0;width:min(360px,92vw);overflow-y:auto;z-index:60;background:var(--bg);padding:12px;
  box-shadow:-8px 0 30px #0007;transform:translateX(105%);transition:transform .2s ease;display:flex}
html.a3-appmode.a3-drawer-open .a3-side{transform:none}
html.a3-appmode .a3-side .a3-mpresets{display:flex;flex-wrap:wrap;margin:0}
html.a3-appmode .a3-side .a3-colcard{margin:0}html.a3-appmode .a3-side>*{flex:none}
.a3-drawhead{display:flex;align-items:center;justify-content:space-between;font:700 13px Inter,system-ui,sans-serif;color:var(--ink)}
.a3-drawhead button{font:600 16px Inter,system-ui,sans-serif;background:none;border:1px solid var(--line);border-radius:8px;padding:2px 10px;cursor:pointer;color:var(--ink)}
@media(max-width:560px){html.a3-appmode .a3-title{max-width:calc(100% - 20px);top:52px}html.a3-appmode .a3-tools{max-width:none;left:10px}html.a3-appmode .a3-eye .a3-eyelab{display:none}html.a3-appmode .a3-legend{width:calc(100% - 70px);max-height:26vh;bottom:118px}html.a3-appmode .a3-compass{bottom:118px}
  html.a3-appmode .a3-time{gap:6px;padding:6px 8px}html.a3-appmode .a3-time .a3-seg,html.a3-appmode .a3-time .a3-chk{display:none}}/* 13:45 city hint + quick jump */
.a3-city{position:absolute;right:68px;bottom:14px;display:flex;gap:10px;align-items:center;background:#0b1f33e6;color:#fff;border:1px solid #ffd16680;border-radius:10px;padding:6px 10px;font:600 12.5px Inter,system-ui,sans-serif;z-index:6;max-width:calc(100% - 84px);flex-wrap:wrap}@media (max-width:760px),(pointer:coarse){.a3-city{position:static;margin:0 0 8px;max-width:none;justify-content:space-between}}
.a3-city[hidden]{display:none}.a3-city label{white-space:nowrap}.a3-city select{font:inherit;font-size:12.5px;border-radius:6px;padding:2px 6px;margin-left:6px;color:#0b1f33;background:#fff;border:1px solid #ccd}
/* declutter: collapsed title / legend chips */
.a3-title,.a3-legend{pointer-events:auto;cursor:pointer}
.a3-title.a3-min{padding:4px 9px;max-width:min(320px,calc(100% - 20px))}.a3-title.a3-min .t2,.a3-title.a3-min .t3{display:none}.a3-title.a3-min .t1{font-size:12.5px}.a3-title.a3-min .t1::after{content:' ▸';color:#9fc3dc}
.a3-legend.a3-min{width:auto;padding:4px 9px}.a3-legend.a3-min>*{display:none}.a3-legend.a3-min::before{content:'Legend ▸';font:600 12px Inter,system-ui,sans-serif;color:#fff}
.a3-tip{max-width:300px;white-space:normal}