@keyframes f-pulse{0%{transform:scale(.5);opacity:1}100%{transform:scale(1.4);opacity:0}}
@keyframes f-settle{from{transform:scale(1.08)}to{transform:none}}
@keyframes f-flash{from{background:rgba(94,225,217,.22)}to{background:transparent}}

body[data-tab="flyover"]{
  --night:#07090d;--glass:rgba(12,16,24,.62);--glass2:rgba(255,255,255,.06);--line:rgba(255,255,255,.13);--ink:#eef1f4;--mute:#9aa4b2;
  --ember:#ffb547;--glacier:#5ee1d9;--cw:440px;--ease:cubic-bezier(.2,.8,.2,1);
  --disp:'Big Shoulders Display',Impact,sans-serif;--text:'Instrument Sans',system-ui,sans-serif;--mono:'JetBrains Mono',ui-monospace,monospace;
  background:var(--night);color:var(--ink);font:15px/1.5 var(--text);

  a{color:inherit}
  :focus-visible{outline:2px solid var(--ember);outline-offset:2px;border-radius:6px}
  .mono{font:500 11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
  .glass{background:var(--glass);backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);border:1px solid var(--line);border-radius:18px;box-shadow:0 30px 80px -30px rgba(0,0,0,.8)}
  .vignette{position:fixed;inset:0;z-index:1;pointer-events:none;background:radial-gradient(120% 90% at 55% 45%,transparent 55%,rgba(0,0,0,.55))}
  .maplibregl-ctrl-attrib,.maplibregl-ctrl-attrib-inner{background:rgba(0,0,0,.5)!important;color:var(--mute)}
  .maplibregl-ctrl-attrib a{color:#aaa}
  .maplibregl-ctrl-attrib-button{filter:invert(1)}
  .maplibregl-ctrl-bottom-right{transition:right .5s var(--ease),bottom .6s var(--ease)}
  &.paged .maplibregl-ctrl-bottom-right{right:calc(var(--cw) + 24px)}
  &.flying .maplibregl-ctrl-bottom-right{right:0;bottom:64px}

  /* the tab bar: top right, left of the card when a page is open */
  #tabs{top:20px;right:20px;background:var(--glass);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:999px;padding:4px;font-family:var(--text);transition:right .5s var(--ease)}
  #tabs a{color:var(--mute);border-radius:999px;font-weight:600;font-size:12.5px}
  #tabs a:hover{color:var(--ink)}
  #tabs a[aria-current]{background:var(--ink);color:#0b0e14}
  &.paged:not(.flying) #tabs{right:calc(var(--cw) + 40px)}

  /* buttons */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:var(--glass2);border-radius:999px;padding:8px 14px;font-weight:600;font-size:14px;line-height:1.2;text-decoration:none;color:var(--ink);transition:background .2s,transform .2s var(--ease)}
  .btn:hover{background:rgba(255,255,255,.14)}
  .btn:active{transform:scale(.97)}
  .btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
  .btn.hot{background:var(--ember);color:#1a1205;border-color:transparent}
  .btn.hot:hover:not(:disabled){background:#ffc66e}
  .btn.pri{background:var(--glacier);color:#04201e;border-color:transparent}
  .btn.pri:hover{background:#8aeae4}
  .btn.rem{color:var(--glacier);border-color:rgba(94,225,217,.45)}
  .btn.icon{width:30px;height:30px;padding:0;border-radius:50%;flex:none;font-size:13px}

  /* ---------- letterbox + HUD ---------- */
  .lb{position:fixed;left:0;right:0;z-index:2;pointer-events:none;transition:transform .9s var(--ease)}
  .lb-top{top:0;height:64px;background:#000;transform:translateY(-100%)}
  /* the bottom band holds the HUD: its box (190 px) contains it, and only its lower 64 px are black */
  .lb-bot{bottom:0;height:190px;background:linear-gradient(transparent calc(100% - 64px),#000 0);transform:translateY(100%)}
  &.flying .lb{transform:none}
  .hud{position:absolute;left:50%;bottom:28px;width:min(900px,calc(100% - 80px));padding:16px 20px;transform:translate(-50%,30px);opacity:0;visibility:hidden;pointer-events:none;
    transition:transform .6s var(--ease),opacity .6s var(--ease),visibility 0s .6s}
  &.flying .hud{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto;transition-delay:0s}
  .hud .cap{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}
  .hud .cap-t{min-width:0}
  .hud p{margin:0}
  .hud .ttl{font:900 42px/.9 var(--disp);text-transform:uppercase;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .hud .ttl a{text-decoration:none}
  .hud .ctl{display:flex;gap:6px;flex:none}
  .prog{display:flex;gap:4px;margin-top:14px}
  .prog span{flex:1;height:4px;border-radius:2px;background:rgba(255,255,255,.15);overflow:hidden}
  .prog span i{display:block;height:100%;background:var(--c,var(--ember));transform-origin:left;transform:scaleX(0);transition:transform .5s var(--ease)}
  .prog span.done i{transform:scaleX(1)}
  .prog span.now i{transform:scaleX(.5);transition:transform 2s linear}

  /* ---------- atlas (left) ---------- */
  .atlas{position:fixed;left:20px;top:20px;bottom:20px;width:340px;z-index:3;display:flex;flex-direction:column;overflow:hidden;
    transition:transform .5s var(--ease),opacity .4s,visibility 0s}
  &.flying .atlas{transform:translateX(-372px);opacity:0;visibility:hidden;transition:transform .5s var(--ease),opacity .4s,visibility 0s .5s}
  .brand{margin:0;padding:18px 20px 10px;font:900 54px/.82 var(--disp);letter-spacing:.01em;text-transform:uppercase}
  .brand span{display:block;font-weight:800;font-size:17px;letter-spacing:.32em;color:var(--ember);margin-bottom:6px}
  .ptabs{display:flex;gap:4px;margin:6px 14px 10px;padding:4px;background:rgba(0,0,0,.3);border-radius:999px}
  .ptabs button{flex:1;border-radius:999px;padding:7px 0;font-weight:600;font-size:13px;color:var(--mute)}
  .ptabs button:hover{color:var(--ink)}
  .ptabs button[aria-selected=true]{background:var(--ink);color:#0b0e14}
  .pane{flex:1;min-height:0;overflow:auto;padding:0 14px 14px;scrollbar-width:thin;scrollbar-color:#333 transparent}
  .count{margin:0 0 8px}
  .rows,.rlist{list-style:none;margin:0;padding:0}
  .row a{display:flex;align-items:center;gap:10px;padding:6px;border-radius:12px;text-decoration:none;transition:background .2s}
  .row a:hover,.row a:focus-visible{background:rgba(255,255,255,.07)}
  .th{width:44px;height:44px;border-radius:9px;object-fit:cover;flex:none;background:#1a1f29;box-shadow:0 0 0 2px var(--c)}
  .th.img-ph{padding:2px;font-size:7px;line-height:1.1}
  .tx{min-width:0;display:flex;flex-direction:column}
  .row b,.rlist b{font-weight:600;font-size:14px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .row small,.rlist small{color:var(--mute);font-size:12px}
  .dots{display:inline-flex;gap:3px;margin-left:6px;vertical-align:middle}
  .dots i{width:6px;height:6px;border-radius:50%;background:var(--c)}
  .more{width:100%;margin:8px 0}
  .empty{color:var(--mute);padding:16px 4px;font-size:14px;margin:0}
  .empty .btn{margin-top:10px}
  .trip{display:block;text-decoration:none;border-radius:14px;overflow:hidden;margin-bottom:10px;border:1px solid var(--line);transition:transform .3s var(--ease)}
  .trip:hover{transform:translateY(-2px)}
  .trip .band{display:block;height:6px;background:linear-gradient(90deg,var(--p0),var(--p1),var(--p2))}
  .trip .tx{padding:10px 12px;gap:4px}
  .trip b{font:800 22px/1 var(--disp);text-transform:uppercase;letter-spacing:.02em}
  .trip .tg{color:var(--mute);font-size:13px}
  .rlist li{border-radius:12px}
  .rlist li[draggable]{cursor:grab}
  .rlist li.moved{animation:f-flash .6s ease-out}
  .rlist li.empty{padding:16px 4px}
  .srow{display:flex;align-items:center;gap:4px}
  .stop{flex:1;min-width:0;display:flex;align-items:center;gap:8px;padding:6px 4px;border-radius:10px;text-align:left}
  .stop:hover{background:rgba(255,255,255,.07)}
  .num{font:800 20px/1 var(--disp);width:26px;color:var(--glacier);flex:none}
  .rlist .ctl{display:flex;gap:2px;flex:none}
  .rlist .ctl .btn{width:26px;height:26px;font-size:12px}
  .leg{margin:0 0 0 17px;padding:2px 0 2px 21px;border-left:1px dashed rgba(94,225,217,.45);font-size:12px;color:var(--mute)}
  .foot{position:sticky;bottom:-14px;margin:8px -14px -14px;padding:0 18px 14px;background:#0e121a;border-top:1px solid var(--line)}
  .totals{display:flex;gap:18px;padding:12px 0}
  .totals b{display:block;font:900 34px/1 var(--disp)}
  .actions{display:flex;flex-wrap:wrap;gap:8px}
  .sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

  /* ---------- legend: always visible, above the HUD while flying (ruling 17) ---------- */
  .legend{position:fixed;left:380px;bottom:52px;z-index:3;display:flex;flex-direction:column;gap:3px;padding:10px;border-radius:14px}
  /* no left/bottom transition: insets() reads offsetLeft, which a transition would report mid-slide (fix r1) */
  .legend>.mono{margin:0;padding:0 4px 4px}
  &.flying .legend{left:20px;bottom:84px}
  .chips{display:flex;flex-direction:column;gap:3px}
  .chip{display:flex;align-items:center;gap:6px;border:1px solid var(--line);background:rgba(0,0,0,.25);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:500;color:var(--mute);text-align:left;transition:background .2s,color .2s,border-color .2s}
  .chip .ic{color:var(--c)}
  .chip .n{margin-left:auto;padding-left:8px;font:500 10.5px var(--mono);color:var(--mute)}
  .chip:hover{color:var(--ink)}
  .chip[aria-pressed=true]{color:#0b0e14;background:var(--c);border-color:var(--c)}
  .chip[aria-pressed=true] :is(.ic,.n){color:#0b0e14}
  .chip.q{color:var(--ember);border-color:rgba(255,181,71,.45)}

  /* ---------- the glass card (place / trip page) ---------- */
  .card{position:fixed;right:20px;top:20px;bottom:20px;width:var(--cw);z-index:3;overflow:auto;scrollbar-width:thin;scrollbar-color:#333 transparent;background:rgba(10,13,20,.72);
    opacity:0;visibility:hidden;transform:translateY(28px) scale(.975);pointer-events:none;transition:opacity .6s var(--ease),transform .7s var(--ease),visibility 0s .7s}
  &.paged:not(.flying) .card{opacity:1;visibility:visible;transform:none;pointer-events:auto;transition-delay:0s}
  .card:focus{outline:0}
  .card .close{position:sticky;top:14px;z-index:2;display:flex;margin:14px 14px -44px auto;background:rgba(0,0,0,.45)}
  .card{
    .hero{position:relative;margin:0;height:300px;overflow:hidden;border-radius:18px 18px 0 0;background:#1a1f29}
    .hero :is(img,.img-ph){width:100%;height:100%;object-fit:cover;display:block}
    .hero img{animation:f-settle 6s var(--ease)}
    .hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.3),transparent 25%,rgba(10,13,20,.6) 70%,rgba(10,13,20,.97))}
    .hero figcaption{position:absolute;left:28px;right:28px;bottom:10px;z-index:1;margin:0;font-size:11px;color:var(--mute)}
    .pbody{padding:18px 28px 32px}
    .kick{font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ember);margin:0 0 8px}
    h1{font:900 38px/.92 var(--disp);text-transform:uppercase;letter-spacing:.005em;margin:0 0 8px;text-wrap:balance}
    h1:focus{outline:0}
    .sub{font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin:0 0 16px}
    .lede{font-size:17px;line-height:1.55;margin:0 0 18px;color:#dfe4ea}
    .tagline{font-size:16px;color:#dfe4ea;margin:0 0 18px}
    .acts{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
    .facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:0 0 14px}
    .facts div{background:rgba(10,13,20,.9);padding:12px 14px;min-width:0}
    .facts dt{font:500 10.5px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
    .facts dd{margin:3px 0 0;font:800 24px/1.05 var(--disp);overflow-wrap:anywhere}
    .est{font-size:12.5px;color:var(--mute);margin:-4px 0 14px}
    .months{display:grid;grid-template-columns:repeat(12,1fr);gap:3px;margin:0 0 6px}
    .months span{font:500 10px/1 var(--mono);text-align:center;padding:6px 0;border-radius:4px;background:rgba(255,255,255,.05);color:#8a93a1}
    .months span.y{background:var(--ember);color:#1a1205}
    .months-text{font-size:12px;color:var(--mute);margin:0 0 6px}
    .ints{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:6px;margin:12px 0 0}
    .ints li{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:12.5px;color:var(--mute)}
    .ints i{width:8px;height:8px;border-radius:50%;background:var(--c)}
    .ints small{font:500 10px var(--mono);text-transform:uppercase;color:var(--ember)}
    h3{font:800 22px/1 var(--disp);text-transform:uppercase;letter-spacing:.04em;margin:26px 0 10px}
    .pbody :is(p,li){color:#cfd6de}
    .tips{margin:0;padding-left:20px}
    .tips li{margin-bottom:6px}
    .tips li::marker{font:500 11px var(--mono);color:var(--ember)}
    .gal{display:grid;gap:14px}
    .gal figure{margin:0}
    .gal .ph{display:block;width:100%;border-radius:12px}
    .gal :is(img,.img-ph){width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:12px;display:block;background:#1a1f29}
    .gal.two{grid-template-columns:1fr 1fr;gap:10px}
    .gal.two :is(img,.img-ph){aspect-ratio:4/3}
    figcaption{font-size:12px;color:var(--mute);margin-top:6px;line-height:1.4}
    .cr{display:block;font:500 10px var(--mono);color:#8a93a1;margin-top:2px}
    .cr a{color:var(--mute)}
    :is(.near,.src,.tstops){list-style:none;margin:0;padding:0}
    .near{display:grid;grid-template-columns:1fr 1fr;gap:8px}
    .near a{display:flex;flex-direction:column;gap:2px;height:100%;text-decoration:none;padding:8px 10px;border-radius:12px;border:1px solid var(--line)}
    .near a:hover{background:rgba(255,255,255,.07)}
    .near b{font-size:13px;line-height:1.2}
    .near span{font:500 10.5px var(--mono);color:var(--mute)}
    .tstops a{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);text-decoration:none}
    .tstops b{font:800 20px/1 var(--disp);text-transform:uppercase}
    .tstops span{font:500 10.5px var(--mono);color:var(--mute);white-space:nowrap}
    .tstops a:hover b{color:var(--ember)}
    .src li{padding:3px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .src a{font-size:12.5px;color:var(--mute)}
    .legs{width:100%;border-collapse:collapse;font-size:13px}
    .legs td{padding:8px 4px;border-top:1px solid var(--line);vertical-align:top}
    .legs td.n{font:500 11px var(--mono);color:var(--ember);white-space:nowrap;text-align:right}
    .legs small{display:block;color:var(--mute);font-size:12px;line-height:1.4;margin-top:2px}
    .by{font:500 10px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--ember);border:1px solid rgba(255,181,71,.4);border-radius:4px;padding:0 4px}
    .img-ph{display:grid;place-items:center;background:#1a1f29;color:var(--mute);font-size:12px}
  }

  /* ---------- map bits ---------- */
  .ring{width:46px;height:46px;pointer-events:none}
  .ring i{display:block;width:100%;height:100%;border-radius:50%;border:2px solid var(--ember);box-shadow:0 0 30px var(--ember);animation:f-pulse 1.8s var(--ease) infinite}
  .pe-pop{z-index:4}
  .pe-pop .maplibregl-popup-content{padding:0;width:230px;overflow:hidden;background:rgba(10,13,20,.85);backdrop-filter:blur(12px);color:var(--ink);border:1px solid var(--line);border-radius:14px;cursor:pointer}
  .pe-pop .maplibregl-popup-tip{display:none}
  .pe-pop :is(img,.img-ph){display:block;width:100%;height:110px;object-fit:cover;background:#1a1f29}
  .pe-pop b{display:block;padding:8px 12px 0;font:800 19px/1 var(--disp);text-transform:uppercase}
  .pe-pop span:not(.img-ph){display:block;padding:4px 12px 0;color:var(--mute);font-size:12px;line-height:1.3}
  .pe-pop i{display:block;padding:6px 12px 10px;font:normal 500 10px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--c)}
}