/* =========================================================
   Re:EARTH 世界地図 — A案「観測の環」 / mobile-first
   ========================================================= */

/* ---------- design tokens ---------- */
:root{
  /* color */
  --c-space:#05071A;          /* page ground */
  --c-space-2:#070A1D;        /* map sea / frame */
  --c-panel:rgba(12,14,42,.66);
  --c-text:#EEF0FB;           /* 本文 15:1+ */
  --c-text-2:#C9CDEA;
  --c-muted:#B4BAE6;          /* 補足 8:1 */
  --c-faint:#A3AAD8;
  --c-lav:#D6CCFF;            /* eyebrow (lavender) */
  --c-lav-a:rgba(214,204,255,.62);
  --c-lav-b:rgba(150,128,245,.38);
  --c-lav-c:rgba(120,100,240,.48);
  --c-gold:#D9B65E;           /* 記録・目印・観測点だけに使う */
  --c-gold-2:#F2D58A;
  --c-live:#8FE3C8;           /* 観測中ドットのみ */
  --c-line:rgba(255,255,255,.12);
  /* type */
  --f-latin:'Cormorant Garamond','Shippori Mincho',serif;
  --f-serif:'Shippori Mincho','Hiragino Mincho ProN','Yu Mincho',serif;
  --f-sans:'Zen Kaku Gothic New','Hiragino Sans','Yu Gothic UI',Meiryo,system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,Menlo,Consolas,monospace;
  /* shape */
  --r-btn:14px; --r-grp:18px; --r-card:22px;
  --tap:48px;                 /* min touch target (spec: >=44) */
  --gutter:12px;
  /* motion */
  --ease:cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;background:var(--c-space)}
body{color:var(--c-text);font-family:var(--f-sans);-webkit-text-size-adjust:100%}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mono{font-family:var(--f-mono)}
.serif{font-family:var(--f-serif)}
.latin{font-family:var(--f-latin)}
.gold-t{color:var(--c-gold)}
.eyebrow{font-family:var(--f-mono);font-size:10px;letter-spacing:.22em;color:var(--c-gold)}
.eyebrow.lav{color:var(--c-lav)}
.muted{color:var(--c-muted)}
.small{font-size:11px;color:var(--c-faint)}
.hi{color:var(--c-text)}
svg{fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- app shell ---------- */
.app{position:relative;min-height:100vh;min-height:100svh;overflow-x:hidden;overflow-x:clip;display:flex;flex-direction:column;
  background:
    radial-gradient(500px 420px at 100% 0%,rgba(130,110,240,.34),transparent 65%),
    radial-gradient(500px 500px at 0% 100%,rgba(60,120,220,.22),transparent 60%),
    radial-gradient(400px 300px at 30% 55%,rgba(90,60,200,.12),transparent 70%),
    var(--c-space)}
.bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.bg .drift1{position:absolute;left:-300px;top:0;width:1400px;max-width:none;opacity:.55}
.fg{position:absolute;inset:0;pointer-events:none;z-index:4}
.grain{position:absolute;inset:0;pointer-events:none;z-index:6;background:url(assets/observer/grain.png) 0 0/128px 128px;opacity:.4}
.col-map{display:contents}            /* phone: children flow in .app */
.content{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px;padding:14px 0 16px}

/* ---------- glass ---------- */
/* no backdrop-filter on purpose: re-blurring over animated layers was the main perf cost */
.glass{background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.025) 40%,rgba(90,80,220,.07)),var(--c-panel);
  border:1px solid var(--c-line);box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 18px 40px rgba(0,0,0,.4)}
.btn{position:relative;overflow:hidden;min-height:var(--tap);min-width:var(--tap);display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:0 14px;
  border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.15);
  background:linear-gradient(180deg,rgba(255,255,255,.14),rgba(255,255,255,.03) 55%,rgba(120,110,255,.07)),rgba(10,12,36,.6);
  color:#E9EBFA;font:inherit;font-size:15px;line-height:1.2;cursor:pointer;white-space:nowrap;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),inset 0 -6px 14px rgba(110,100,240,.14),0 6px 16px rgba(0,0,0,.3);
  transition:transform .12s;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.btn::before{content:"";position:absolute;inset:-1px;background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.3) 50%,transparent 65%);transform:translateX(-130%);transition:transform .7s ease;pointer-events:none}
@media (hover:hover){.btn:hover{border-color:rgba(214,204,255,.5)}.btn:hover::before{transform:translateX(130%)}}
.btn:active{transform:scale(.96)}
.btn:focus-visible,.inp:focus-visible{outline:2px solid var(--c-lav);outline-offset:2px}
.btn svg{width:22px;height:22px;flex:none;position:relative}
.btn.ghost,.grp .btn,.btn.grp-btn{background:transparent;border-color:transparent;box-shadow:none}
.btn.on,.btn.prim{background:linear-gradient(180deg,var(--c-lav-a),var(--c-lav-b) 60%,var(--c-lav-c));border-color:rgba(236,230,255,.7);color:#fff;font-weight:700;
  text-shadow:0 1px 6px rgba(40,20,120,.7);box-shadow:inset 0 1px 0 rgba(255,255,255,.6),inset 0 -8px 18px rgba(90,60,220,.35),0 0 22px rgba(170,150,255,.45)}
.btn.prim{width:100%}
.inp{min-height:var(--tap);width:100%;border-radius:16px;border:1px solid rgba(255,255,255,.16);
  background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.02)),rgba(8,10,30,.78);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 8px 24px rgba(0,0,0,.45);color:var(--c-text);font:inherit;font-size:16px;padding:0 14px 0 44px}
.inp::placeholder{color:var(--c-faint)}
.sw{display:inline-block;width:42px;height:26px;border-radius:999px;position:relative;flex:none;background:linear-gradient(180deg,rgba(214,204,255,.75),rgba(150,128,245,.55));box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 0 12px rgba(170,150,255,.45)}
.sw::after{content:"";position:absolute;top:3px;left:19px;width:20px;height:20px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fff,#CFC6F5);box-shadow:0 2px 4px rgba(0,0,0,.35);transition:left .2s}
[aria-checked="false"] .sw{background:rgba(255,255,255,.08);box-shadow:inset 0 1px 3px rgba(0,0,0,.5)}
[aria-checked="false"] .sw::after{left:3px;background:radial-gradient(circle at 35% 30%,#B9BEE0,#6E75A8)}

/* ---------- header ---------- */
.hdr{position:relative;z-index:1;height:52px;padding:0 6px 0 14px;display:flex;align-items:center;gap:8px}
.brand{display:flex;align-items:baseline;gap:10px;margin-right:auto;min-width:0}
.logo{font-size:26px;font-weight:600;line-height:1;text-shadow:0 0 20px rgba(183,168,245,.35)}
.status{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:#DCDFF5}
.dot{width:6px;height:6px;border-radius:50%;background:var(--c-live);box-shadow:0 0 8px var(--c-live)}
.tagline{display:none;margin:0;font-size:14px;line-height:1.7;color:var(--c-text-2);letter-spacing:.06em}
.refresh{color:var(--c-gold-2)}
.lbl-wide{display:none}

/* ---------- search + chips (above the map) ---------- */
.searchwrap{position:relative;z-index:3;margin:0 var(--gutter) 10px;display:flex;flex-direction:column;gap:8px}
.search{margin:0;position:relative}
.search-ic{position:absolute;left:14px;top:14px;width:20px;height:20px;color:#C9CEF0;z-index:1}
.sugg{position:absolute;left:0;right:0;top:54px;border-radius:16px;overflow:hidden;z-index:3}
.sugg button{display:flex;width:100%;min-height:52px;align-items:center;gap:10px;padding:0 16px;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.08);color:var(--c-text);font:inherit;font-size:16px;text-align:left;cursor:pointer}
.sugg button:focus-visible{outline:2px solid var(--c-lav);outline-offset:-2px}
.sugg .dia{width:9px;height:9px;transform:rotate(45deg);border:1.5px solid var(--c-gold-2);flex:none}
.sugg .sub{margin-left:auto;font-family:var(--f-mono);font-size:11px;color:var(--c-faint)}
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.chips::-webkit-scrollbar{display:none}
.chip{min-height:40px;padding:0 14px;font-size:14px;border-radius:999px;flex:none}
.chip svg{width:18px;height:18px}

/* ---------- map ---------- */
.mapbox{position:relative;height:480px;height:min(480px,calc(100svh - 360px));min-height:260px;overflow:hidden;background:var(--c-space-2);
  border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);touch-action:none;user-select:none;-webkit-user-select:none}
.mapz{position:absolute;left:0;top:0;width:360%;transform-origin:0 0;transition:transform .45s var(--ease);will-change:transform}
.mapz.drag{transition:none}
.mapz img{display:block;width:100%;height:auto;pointer-events:none;user-select:none}
.mapz .ov{position:absolute;left:0;top:0}
.vignette{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at 50% 50%,transparent 58%,rgba(5,7,26,.7) 100%)}
.scan{position:absolute;left:0;right:0;top:0;height:90px;pointer-events:none;background:linear-gradient(180deg,transparent,rgba(183,168,245,.1) 70%,rgba(201,189,251,.35));animation:scan 1.8s cubic-bezier(.4,0,.2,1) .2s both}
@keyframes scan{from{transform:translateY(-100px);opacity:1}88%{opacity:1}to{transform:translateY(600px);opacity:0}}
.corner{position:absolute;width:16px;height:16px;border:0 solid var(--c-gold);pointer-events:none}
.corner.tl{left:10px;top:10px;border-left-width:1.5px;border-top-width:1.5px}
.corner.tr{right:10px;top:10px;border-right-width:1.5px;border-top-width:1.5px}
.corner.bl{left:10px;bottom:10px;border-left-width:1.5px;border-bottom-width:1.5px}
.corner.br{right:10px;bottom:10px;border-right-width:1.5px;border-bottom-width:1.5px}
.hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:12px 18px;border-radius:999px;font-size:14px;white-space:nowrap;pointer-events:none;transition:opacity .4s}
.hint.off{opacity:0}
/* selection marker: crystal + light beam over the region (counter-scaled so it stays the same size) */
.mk{position:absolute;width:0;height:0;pointer-events:none;transform-origin:0 0}
.ret{position:absolute;left:-32px;top:-32px;width:64px;height:64px}
.ret i{position:absolute;inset:0;border-radius:50%;border:1.5px dashed rgba(242,213,138,.85);animation:spinz 18s linear infinite}
.ret b{position:absolute;inset:13px;border-radius:50%;border:1px solid rgba(242,213,138,.5)}
.beam{position:absolute;left:-1px;top:-54px;width:2px;height:54px;background:linear-gradient(180deg,transparent,rgba(242,213,138,.95));box-shadow:0 0 10px rgba(242,213,138,.7)}
.mkc{position:absolute;left:0;top:-70px;perspective:300px}
@keyframes spinz{to{transform:rotate(360deg)}}

.maptools{position:relative;z-index:2;margin:10px var(--gutter) 0;display:flex;align-items:center;gap:10px}
.coord{font-size:12px;color:var(--c-text-2);margin-right:auto;min-width:0}
.zoom{display:flex;gap:4px;padding:4px;border-radius:var(--r-grp);flex:none}
.zoom .btn{width:54px;padding:0}

/* ---------- thumb bar ---------- */
.bar{order:99;position:sticky;bottom:0;z-index:5;margin-top:auto;padding:8px 10px calc(10px + env(safe-area-inset-bottom));border-radius:22px 22px 0 0;border-bottom:0;display:flex;flex-direction:column;gap:8px}
.selrow{display:flex;align-items:center;gap:8px;min-height:44px;padding-left:6px}
.seldot{width:10px;height:10px;transform:rotate(45deg);background:#3A4180;flex:none}
.seldot.on{background:var(--c-gold-2);box-shadow:0 0 12px rgba(242,213,138,.8)}
.seltext{font-size:15px;margin-right:auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.seltext b{color:var(--c-gold-2)}
.seltext span{color:var(--c-muted)}
.modes-row{display:flex;gap:6px}
.modes{flex:1 1 auto;min-width:0;display:flex;gap:4px;padding:4px;border-radius:var(--r-grp);background:rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.08)}
.mode{flex:1 1 0;min-width:0;padding:0 4px;flex-direction:column;gap:2px;min-height:54px}
.mode span,.layers-btn span{font-size:12px}
.layers-btn{flex:none;width:62px;flex-direction:column;gap:2px;min-height:62px;border-radius:var(--r-grp)}
.pop{position:absolute;right:10px;bottom:calc(100% + 8px);border-radius:var(--r-grp);padding:8px;display:flex;flex-direction:column;gap:4px;min-width:200px}
.pop .btn{justify-content:space-between;width:100%}

/* ---------- content cards ---------- */
.card{margin:0 var(--gutter);border-radius:var(--r-card);padding:18px 16px;display:flex;flex-direction:column;gap:12px}
.card-head{display:flex;justify-content:space-between;align-items:center}
#region-sel{display:flex;flex-direction:column;gap:12px}
.region-name{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.region-name .serif{font-size:26px;font-weight:700}
.region-name .muted{font-size:13px}
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.stat{border-radius:14px;padding:12px;display:flex;flex-direction:column;gap:4px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08)}
.stat span{font-size:12px;color:var(--c-faint)}
.stat b{font-size:16px}
.note{margin:0;font-size:13px;line-height:1.7}
.empty{margin:0;font-size:15px;line-height:1.8;color:var(--c-text-2)}
.legend-empty{margin:0;font-size:15px;color:var(--c-text-2)}
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--c-text-2)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.lg-sel{width:18px;height:10px;border-radius:2px;background:var(--c-gold);box-shadow:0 0 8px rgba(242,213,138,.6)}
.lg-border{width:18px;height:1.5px;background:#B4BBF0}
.lg-region{width:18px;border-top:1.5px dashed #B4BBF0}
.timeline{position:relative;height:44px}
.ticks{position:absolute;left:0;right:0;top:18px;height:8px;background:repeating-linear-gradient(90deg,rgba(183,168,245,.35) 0 1px,transparent 1px 10px);-webkit-mask-image:linear-gradient(90deg,#000 60%,transparent);mask-image:linear-gradient(90deg,#000 60%,transparent)}
.tl-fill{position:absolute;left:0;width:18%;top:21px;height:3px;border-radius:3px;background:linear-gradient(90deg,transparent,var(--c-gold));box-shadow:0 0 12px rgba(217,182,94,.7)}
.tl-slot{position:absolute;left:55%;top:14px;width:16px;height:16px;margin-left:-8px;transform:rotate(45deg);border:1px dashed rgba(201,189,251,.8)}
.card p{margin:0}
.footnote{margin:4px 16px 0;font-size:11px;color:#7F86B8;text-align:center}

/* ---------- observer: globe + Lyuka + crystals share one CSS-3D space ---------- */
.observer{margin:84px var(--gutter) 0;position:relative;border-radius:var(--r-card);min-height:196px;padding:18px 16px}
.observer-text{position:relative;max-width:52%;display:flex;flex-direction:column;gap:6px}
.observer-text h2{margin:0;font-size:21px;font-weight:700;letter-spacing:.08em}
.quote{margin:0;font-size:15px;line-height:1.8;color:#E4E6F8;padding-left:10px;border-left:1px solid rgba(217,182,94,.6)}
.deck{position:absolute;right:-14px;top:-84px;width:230px;height:300px;perspective:800px;perspective-origin:50% 40%;pointer-events:none}
.stage{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .9s var(--ease)}
.gpos{position:absolute;left:50%;top:40%;width:0;height:0;transform:translateZ(-160px)}
.gbody{position:absolute;left:-150px;top:-150px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle at 34% 28%,rgba(92,100,210,.5),rgba(26,30,88,.86) 52%,rgba(6,8,28,.95) 74%);box-shadow:0 0 0 1px rgba(183,168,245,.28),0 0 60px rgba(120,140,255,.35)}
.gcv{position:absolute;left:-160px;top:-160px;width:320px;height:320px}
.halo{position:absolute;left:50%;top:20px;width:220px;height:220px;margin-left:-110px;border-radius:50%;background:radial-gradient(circle,rgba(200,188,255,.42),rgba(111,168,232,.12) 45%,transparent 70%);transform:translateZ(-80px)}
.oring{position:absolute;left:50%;top:58%;width:200px;height:200px;margin:-100px 0 0 -100px;border-radius:50%;border:1.5px solid rgba(217,182,94,.75);border-right-color:transparent;transform:rotateX(78deg);animation:oring 48s linear infinite}
@keyframes oring{to{transform:rotateX(78deg) rotateZ(360deg)}}
.orbit{position:absolute;left:50%;top:44%;width:0;height:0;transform-style:preserve-3d;transform:rotateX(-10deg)}
.ospin{position:absolute;transform-style:preserve-3d;animation:ospin 30s linear infinite}
@keyframes ospin{to{transform:rotateY(360deg)}}
.slot{position:absolute;transform-style:preserve-3d}
/* Lyuka: provided art cut into 5 parts (not redrawn). Container keeps the original 1664x2432 aspect. */
.fig{position:absolute;left:50%;top:6px;width:210px;margin-left:-105px;aspect-ratio:1664/2432;transform:translateZ(0);
  -webkit-mask-image:linear-gradient(#000 48%,transparent 82%);mask-image:linear-gradient(#000 48%,transparent 82%);animation:bob 7s ease-in-out infinite alternate}
@keyframes bob{from{transform:translateZ(0) translateY(0)}to{transform:translateZ(0) translateY(-6px)}}
.lp{position:absolute;display:block;height:auto;max-width:none}
.hg{position:absolute;inset:0;transform-origin:51.8% 39.47%;animation:hd 6.2s ease-in-out infinite alternate}   /* pivot = neck */
@keyframes hd{from{transform:rotate(-.7deg)}to{transform:rotate(.6deg)}}
.lkL{animation:lkl 4.3s ease-in-out -1s infinite alternate}
@keyframes lkl{from{transform:rotate(1.8deg)}to{transform:rotate(-1.2deg)}}
.lkR{animation:lkr 4.8s ease-in-out -2s infinite alternate}
@keyframes lkr{from{transform:rotate(-1.6deg)}to{transform:rotate(1.4deg)}}
.rb{animation:rbn 3.6s ease-in-out infinite alternate}
@keyframes rbn{from{transform:rotate(-3deg)}to{transform:rotate(3.4deg)}}

/* ---------- observation crystal: CSS-3D octahedron (JS injects the 8 faces) ---------- */
.c-xs{--a:5px}.c-s{--a:7px}.c-m{--a:10px}.c-l{--a:13px}.c-xl{--a:18px}
.crystal{position:absolute;width:0;height:0;transform-style:preserve-3d}
.crystal.fc{perspective:400px}
.crw{position:absolute;transform-style:preserve-3d;animation:cbob 5.5s ease-in-out infinite alternate}
@keyframes cbob{from{transform:translateY(-5px)}to{transform:translateY(5px)}}
.cr{position:absolute;left:calc(var(--a)*-1);top:0;width:calc(var(--a)*2);height:0;transform-style:preserve-3d;animation:cspin 10s linear infinite}
@keyframes cspin{from{transform:rotateX(-16deg) rotateY(0)}to{transform:rotateX(-16deg) rotateY(360deg)}}
.cf{position:absolute;left:0;width:calc(var(--a)*2);backface-visibility:visible}
.cf.t{bottom:0;height:calc(var(--a)*1.887);clip-path:polygon(50% 0,100% 100%,0 100%);transform-origin:50% 100%}
.cf.b{top:0;height:calc(var(--a)*1.487);clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:50% 0}
.t1{transform:rotateY(0) translateZ(var(--a)) rotateX(32deg);background:linear-gradient(160deg,rgba(255,255,255,.95),rgba(201,189,251,.55))}
.t2{transform:rotateY(90deg) translateZ(var(--a)) rotateX(32deg);background:linear-gradient(160deg,rgba(201,189,251,.85),rgba(111,140,232,.45))}
.t3{transform:rotateY(180deg) translateZ(var(--a)) rotateX(32deg);background:linear-gradient(160deg,rgba(236,232,255,.9),rgba(160,170,240,.5))}
.t4{transform:rotateY(270deg) translateZ(var(--a)) rotateX(32deg);background:linear-gradient(160deg,rgba(150,135,240,.8),rgba(80,110,220,.45))}
.b1{transform:rotateY(0) translateZ(var(--a)) rotateX(-42.3deg);background:linear-gradient(20deg,rgba(111,168,232,.75),rgba(220,215,255,.6))}
.b2{transform:rotateY(90deg) translateZ(var(--a)) rotateX(-42.3deg);background:linear-gradient(20deg,rgba(90,80,200,.75),rgba(180,170,250,.5))}
.b3{transform:rotateY(180deg) translateZ(var(--a)) rotateX(-42.3deg);background:linear-gradient(20deg,rgba(130,170,240,.7),rgba(240,236,255,.65))}
.b4{transform:rotateY(270deg) translateZ(var(--a)) rotateX(-42.3deg);background:linear-gradient(20deg,rgba(70,70,170,.8),rgba(150,140,240,.5))}
.gold .t1,.gold .t3,.gold .b3{background:linear-gradient(160deg,#FFF4CF,rgba(217,182,94,.7))}
.gold .t2,.gold .t4,.gold .b1{background:linear-gradient(160deg,#F2D58A,rgba(150,110,30,.75))}
.gold .b2,.gold .b4{background:linear-gradient(20deg,rgba(120,85,20,.85),#E8C46E)}
.cglow{position:absolute;left:calc(var(--a)*-2.6);top:calc(var(--a)*-1.8);width:calc(var(--a)*5.2);height:calc(var(--a)*4);border-radius:50%;background:radial-gradient(closest-side,rgba(201,189,251,.5),transparent)}
.gold .cglow{background:radial-gradient(closest-side,rgba(242,213,138,.6),transparent)}

/* pause decorative loops while the map is being dragged/pinched */
.busy .cr,.busy .crw,.busy .ospin,.busy .oring,.busy .drift1,.busy .fig,.busy .hg,.busy .lkL,.busy .lkR,.busy .rb{animation-play-state:paused}

.drift1{animation:drift 160s linear infinite alternate;will-change:transform}
@keyframes drift{from{transform:translate3d(0,0,0)}to{transform:translate3d(-120px,-30px,0)}}

/* ---------- 320px ---------- */
@media (max-width:350px){.mode span{font-size:11px}.btn{padding:0 10px}.observer-text{max-width:56%}}

/* ---------- desktop (>=960px): same parts, two columns ---------- */
@media (min-width:960px){
  .app{display:grid;grid-template-columns:minmax(0,1fr) 380px;grid-template-rows:auto 1fr;column-gap:20px;padding:0 24px 32px;
    background:radial-gradient(1100px 700px at 88% -5%,rgba(130,110,240,.32),transparent 60%),radial-gradient(900px 600px at -10% 110%,rgba(60,120,220,.24),transparent 60%),linear-gradient(180deg,#070A22,#05071A 60%,#070921)}
  .hdr{grid-column:1 / -1;height:auto;padding:16px 0 12px;gap:24px}
  .logo{font-size:38px}
  .brand{margin-right:0}
  .tagline{display:block;margin-right:auto;padding-left:24px;border-left:1px solid rgba(217,182,94,.5)}
  .lbl-wide{display:inline}
  .refresh{border:1px solid rgba(242,213,138,.5)}
  .col-map{display:flex;flex-direction:column;gap:12px;min-width:0}
  .searchwrap,.maptools{margin-left:0;margin-right:0}
  .searchwrap{flex-direction:row;align-items:center;margin-bottom:0}
  .search{flex:0 1 420px}
  .mapbox{height:auto;aspect-ratio:925/560;min-height:420px;border-radius:22px;border:1px solid rgba(255,255,255,.14);box-shadow:inset 0 1px 0 rgba(255,255,255,.15),0 40px 90px rgba(0,0,0,.55),0 0 60px rgba(120,100,240,.18);cursor:grab}
  .mapbox.grabbing{cursor:grabbing}
  .maptools{margin-top:0}
  .bar{position:static;order:0;margin-top:0;border-radius:var(--r-grp);border-bottom:1px solid var(--c-line);flex-direction:row;align-items:center;padding:8px}
  .bar .selrow{flex:1 1 auto;min-width:0}
  .bar .modes-row{flex:0 0 auto}
  .mode{flex-direction:row;min-height:48px;padding:0 14px}
  .mode span,.layers-btn span{font-size:14px}
  .layers-btn{flex-direction:row;width:auto;min-height:48px;padding:0 14px}
  .pop{bottom:auto;top:calc(100% + 8px)}
  .content{padding-top:0}
  .card{margin:0}
  .observer{margin:110px 0 0;min-height:250px}
  .observer-text{max-width:50%}
  .deck{top:-96px;right:-24px}
}

@media (prefers-reduced-motion:reduce){
  .drift1,.fig,.hg,.lkL,.lkR,.rb,.oring,.ospin,.crw,.cr,.ret i{animation:none!important}
  .scan{display:none}
  .mapz,.btn,.btn::before,.sw::after,.stage,.hint{transition:none}
}