/* earthglobe.app – template 3 (app/tool). Globe page is dark space; content pages follow the grey-cards standard. One accent: cyan. */
:root{--ink:#141a26;--soft:#4a5468;--line:#dfe3ea;--bg:#ffffff;--bg2:#f7f8fa;--card:#5a6475;--card2:#4f5868;--tile:#444c5b;--ct:#f4f7fb;--ct2:#e3e8ef;--acc:#22e6ff;--acc-t:#9ff3ff;--deep:#007385;--on:#10141d;--space:#02040a;--glass:rgba(16,22,34,.78);--bar:48px;
 --f:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--h:"Outfit",var(--f)}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 var(--f);color:var(--ink);background:linear-gradient(var(--bg),var(--bg2)) fixed;overflow-x:hidden}
a{color:var(--deep)}
img{max-width:100%;height:auto}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:50}.skip:focus{left:8px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
/* top bar */
.bar{position:sticky;top:0;z-index:20;height:var(--bar);display:flex;align-items:center;gap:16px;padding:0 16px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-family:var(--h);font-size:18px;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand b{color:var(--deep);font-weight:800}
.bar nav.links{margin-left:auto;display:flex;gap:16px}
.bar nav.links a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:600}
.bar nav.links a[aria-current]{color:var(--deep)}
.app .bar{background:rgba(4,8,16,.72);border-bottom:1px solid rgba(255,255,255,.08)}
.app .brand,.app .bar nav.links a{color:#eef4fb}.app .brand b{color:var(--acc-t)}
.tabs{display:flex;gap:4px;padding:3px;border-radius:10px;background:rgba(255,255,255,.07)}
.tabs button{appearance:none;border:0;background:transparent;color:#d9e3ee;font:600 14px var(--f);padding:6px 11px;border-radius:7px;cursor:pointer;white-space:nowrap}
.tabs button:hover{background:rgba(255,255,255,.08)}
.tabs button[aria-pressed=true]{background:var(--acc);color:var(--on)}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
/* stage */
.app{background:var(--space)}
.stage{position:relative;height:calc(100svh - var(--bar));min-height:420px;background:radial-gradient(ellipse at 50% 55%,#06101f 0%,#02040a 70%);overflow:hidden;color:var(--ct)}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none;cursor:grab;outline:none}
#gl:active{cursor:grabbing}
.load{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;color:#9fb1c6;font-size:15px;text-align:center;max-width:80%}
.stage.ready .load{display:none}
.panel{background:var(--glass);border:1px solid rgba(255,255,255,.09);border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.35);backdrop-filter:blur(10px);color:var(--ct)}
.search{position:absolute;left:16px;top:16px;width:min(340px,calc(100% - 32px));z-index:5}
.search form{display:flex;gap:6px;padding:6px}
.search input{flex:1;min-width:0;background:var(--tile);color:var(--ct);border:1px solid rgba(255,255,255,.12);border-radius:9px;padding:9px 12px;font:16px var(--f)}
.search input::placeholder{color:#c5cfdb}
.btn{appearance:none;border:1px solid rgba(255,255,255,.14);background:var(--tile);color:var(--ct);font:600 14px var(--f);padding:8px 12px;border-radius:9px;cursor:pointer;min-height:38px}
.btn:hover{border-color:rgba(255,255,255,.3)}
.btn.primary{background:var(--acc);color:var(--on);border-color:transparent}
.btn[aria-pressed=true]{background:var(--acc);color:var(--on)}
.btn:disabled{opacity:.5;cursor:default}
#ql{list-style:none;margin:0;padding:4px;max-height:50vh;overflow:auto}
#ql li{padding:8px 10px;border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;gap:10px}
#ql li[aria-selected=true],#ql li:hover{background:rgba(34,230,255,.16)}
#ql small{color:var(--ct2);white-space:nowrap}
#qmsg{margin:0 10px;font-size:14px;color:#ffe896}#qmsg:empty{display:none}
.side{position:absolute;right:16px;top:16px;display:flex;flex-direction:column;align-items:flex-end;gap:6px;z-index:4}
.side .btn{width:44px;height:44px;padding:0;font-size:20px;display:flex;align-items:center;justify-content:center}
.side .btn svg{width:20px;height:20px}
.foot{position:absolute;left:16px;right:16px;bottom:12px;display:flex;justify-content:space-between;align-items:flex-end;gap:12px;font-size:12.5px;color:#a9b8c9;pointer-events:none;z-index:3}
.foot a{color:#c9f6ff;pointer-events:auto}
.foot p{margin:0}
#hint{font-size:13.5px;color:#d5dee8}
.card{position:absolute;left:16px;bottom:44px;width:min(340px,calc(100% - 32px));padding:16px;z-index:6}
.card .hd{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.card img{width:52px;height:39px;border-radius:4px;object-fit:cover;box-shadow:0 0 0 1px rgba(255,255,255,.2)}
.card h2{font:800 22px/1.15 var(--h);margin:0;color:#fff}
.card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:15px}
.card dt{color:var(--ct2)}.card dd{margin:0;color:#fff}
.card .src{font-size:12px;color:var(--ct2);margin:10px 0 0}.card .src a{color:var(--acc-t)}
.x{position:absolute;right:8px;top:8px;width:34px;height:34px;border-radius:8px;border:0;background:transparent;color:#fff;font-size:22px;cursor:pointer}
.x:hover{background:rgba(255,255,255,.1)}
.tool{position:absolute;left:16px;bottom:44px;width:min(360px,calc(100% - 32px));padding:14px 16px;z-index:6}
.tool h2{font:800 18px var(--h);margin:0 0 4px;color:#fff}
.tool p{margin:0 0 8px;font-size:14.5px}
.tool .row{display:flex;gap:8px;flex-wrap:wrap}
#plN{font:800 28px var(--h);color:#d6f6fb;text-shadow:0 0 4px rgba(214,246,251,.25);margin:0}
#plSub{color:var(--ct2)}
#plList{list-style:none;margin:6px 0 10px;padding:0;display:flex;flex-wrap:wrap;gap:4px;max-height:96px;overflow:auto}
#plList button{border:0;background:var(--tile);color:var(--ct);border-radius:6px;font:13px var(--f);padding:3px 7px;cursor:pointer}
#dOut b{font:800 24px var(--h);color:#d6f6fb}
#dOut span{display:block;font-size:13.5px;color:var(--ct2);margin-top:2px}
.citylbl{position:absolute;left:0;top:0;margin:-38px 0 0 12px;padding:4px 9px;border-radius:8px;background:var(--glass);border:1px solid rgba(255,255,255,.12);font-size:14px;font-weight:600;white-space:nowrap;pointer-events:none;z-index:2}
.nogl #gl{display:none}
/* classroom / projector mode */
body.proj .bar nav.links a.nx,body.proj .brand span.tag,body.proj .foot p.cr{display:none}
body.proj .stage{height:calc(100svh - var(--bar))}
body.proj .card{width:min(520px,calc(100% - 32px));padding:24px}
body.proj .card h2{font-size:36px}body.proj .card dl{font-size:22px}body.proj .card img{width:84px;height:63px}
body.proj .search input{font-size:18px}@media (min-width:761px){body.proj .tabs button{font-size:18px}}body.proj #hint{font-size:17px}
body.proj .intro,body.proj footer{display:none}
body.proj .side .btn{width:54px;height:54px}
#proj{width:auto;padding:0 12px;font-size:14px}
/* globe labels (teacher mode, time zones) */
.lbls{position:absolute;inset:0;pointer-events:none;z-index:2;overflow:hidden}
.glbl{position:absolute;left:0;top:0;white-space:pre;text-align:center;font:700 14px/1.2 var(--f);color:#fff;text-shadow:0 0 3px #000,0 0 8px rgba(0,0,0,.9);transition:opacity .15s}
.glbl.cont{font:800 17px/1.15 var(--h);letter-spacing:.02em}
.glbl.big{font-size:20px}
.glbl.ocean{font:italic 600 15px var(--f);color:#bfe9ff}
.glbl.line{font-size:12.5px;color:#ffe896}
.glbl.tz{font-size:12px;color:#d9fbff}
.glbl.sun{color:#ffe08a;font-size:16px}
body.proj .glbl{font-size:20px}body.proj .glbl.cont{font-size:26px}body.proj .glbl.big{font-size:30px}body.proj .glbl.ocean{font-size:22px}body.proj .glbl.line{font-size:18px}body.proj .glbl.tz{font-size:17px}body.proj .glbl.sun{font-size:22px}
/* quiz, teacher and time panels */
.tool .sub{color:var(--ct2);font-size:13.5px}
.tool .lbl{margin:8px 0 4px;font-size:13px;font-weight:700;color:var(--ct2);text-transform:uppercase;letter-spacing:.05em}
.themes{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 10px}
.themes .btn{min-height:36px;padding:6px 10px;font-size:13.5px}
.tool a{color:var(--acc-t)}
.tool input[type=range]{width:100%;accent-color:var(--acc);margin:2px 0 8px}
.tool label{display:block;font-size:13.5px;color:var(--ct2)}
.tool output,.tool .val{color:#fff;font-weight:700}
#thNote{font-size:14px;color:var(--ct2)}#thNote .btn{margin-top:6px}
.qprog{display:flex;justify-content:space-between;gap:8px;font-size:13.5px;color:var(--ct2);margin:0 0 6px;padding-right:30px}
.qask{font-size:15px;margin:0 0 8px}.qask b{display:block;font:800 26px/1.15 var(--h);color:#fff}
.qbar{height:5px;border-radius:3px;background:rgba(255,255,255,.1);overflow:hidden;margin:0 0 8px}.qbar i{display:block;height:100%;background:var(--acc);transform-origin:left;transform:scaleX(0)}
#qzFb{min-height:1.5em;font-weight:600}#qzFb.good{color:#c6ff4a}#qzFb.bad{color:#ffb38a}
.qres{font:800 24px/1.25 var(--h);color:#fff;margin:4px 0 10px!important}
body.quizzing .search{display:none}
body.proj .tool{width:min(560px,calc(100% - 32px));padding:22px 24px}
body.proj .tool h2{font-size:26px}body.proj .tool p,body.proj .themes .btn,body.proj .tool .btn{font-size:18px}
body.proj .qask{font-size:20px}body.proj .qask b{font-size:44px}body.proj .qprog{font-size:18px}body.proj #qzFb{font-size:22px}body.proj .qres{font-size:34px}
body.proj .qbar{height:8px}
.facts li{margin:.4em 0}
.lmeta{display:grid;grid-template-columns:auto 1fr;gap:2px 12px;margin:0 0 12px}.lmeta dt{font-weight:700}.lmeta dd{margin:0}
/* content */
main{display:block}
.intro{padding:40px 20px 10px}
h1,h2,h3{font-family:var(--h);line-height:1.2;color:var(--ink)}
h1{font-size:clamp(30px,5vw,44px);font-weight:800;margin:.2em 0 .4em}
h2{font-size:26px;font-weight:800;margin:1.6em 0 .5em}
h3{font-size:19px;margin:1.3em 0 .3em}
.lead{font-size:19px;color:var(--soft);max-width:760px}
.prose{max-width:760px}
.prose li{margin:.25em 0}
.eyebrow{display:inline-block;background:var(--card2);color:#d6f59c;font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:4px 10px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin:18px 0}
.gcard{background:linear-gradient(var(--card),var(--card2));color:var(--ct);border-radius:14px;padding:18px;box-shadow:0 6px 18px rgba(20,26,38,.16);text-decoration:none;display:block}
.gcard h3{color:#fff;margin:0 0 6px;font-size:18px}.gcard p{margin:0;color:var(--ct2);font-size:15px}
a.gcard:hover{box-shadow:0 8px 24px rgba(20,26,38,.26)}
.gcard a{color:var(--acc-t)}
.table-wrap{overflow-x:auto;background:linear-gradient(var(--card),var(--card2));border-radius:14px;padding:6px 14px;color:var(--ct);margin:14px 0}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid rgba(255,255,255,.12)}th{color:#fff}
.sources{font-size:14.5px;color:var(--soft)}
.cta{display:inline-block;background:var(--acc);color:var(--on);font-weight:700;text-decoration:none;padding:10px 16px;border-radius:10px;margin:6px 0}
/* true size tool */
.ts{background:linear-gradient(var(--card),var(--card2));color:var(--ct);border-radius:16px;padding:16px;margin:18px 0;box-shadow:0 6px 18px rgba(20,26,38,.16)}
.ts .sel{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:end}
.ts label{font-size:14px;color:var(--ct2);display:block}
.ts select{width:100%;background:var(--tile);color:var(--ct);border:1px solid rgba(255,255,255,.14);border-radius:9px;padding:9px;font:16px var(--f)}
#tsC{width:100%;height:min(60vw,420px);display:block;background:#0b1730;border-radius:12px;margin:12px 0}
#tsOut p{margin:4px 0}#tsOut .ratio{font-size:18px}
.sw{display:inline-block;width:14px;height:14px;border-radius:3px;margin-right:8px;vertical-align:-2px}.sw.a{background:#22e6ff}.sw.b{background:#c6ff4a}
#tsMerc{color:var(--ct2);font-size:14.5px;margin:6px 0 0}
/* footer */
footer{margin-top:50px;padding:28px 0 40px;border-top:1px solid var(--line);font-size:14.5px;color:var(--soft);background:var(--bg2)}
footer ul{list-style:none;padding:0;margin:0 0 12px;display:flex;flex-wrap:wrap;gap:6px 18px}
footer a{color:var(--deep)}
.app footer{margin-top:0}
.cookie{position:fixed;left:12px;right:12px;bottom:12px;max-width:560px;margin:0 auto;background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;gap:12px;align-items:center;box-shadow:0 8px 24px rgba(0,0,0,.25);z-index:40;font-size:14px}
.cookie[hidden]{display:none}.cookie p{margin:0}.cookie .btn{background:var(--acc);color:var(--on);border:0}
/* mobile */
@media (min-width:761px) and (max-width:1180px){.app .bar nav.links a.nx{display:none}}
@media (max-width:760px){
 body.app{--bar:92px}
 .bar{flex-wrap:wrap;height:auto;min-height:var(--bar);padding:8px 12px;gap:6px 12px;align-content:center}
 .app .tabs{order:3;width:100%;justify-content:space-between}
 .tabs button{padding:6px 6px;font-size:13.5px;flex:1}
 .search{left:10px;top:10px;width:calc(100% - 76px)}
 .side{right:10px;top:10px}
 .card,.tool{left:10px;right:10px;width:auto;bottom:40px}
 .tool{max-height:58%;overflow:auto}
 .bar nav.links{gap:12px}.bar nav.links a{font-size:14px}.bar nav.links a.nx{display:none}
 .qask b{font-size:22px}.glbl.cont{font-size:14px}.glbl.ocean{font-size:13px}.glbl.tz{font-size:10.5px}.glbl.line{font-size:11px}
 .foot{left:10px;right:10px;bottom:8px}
 .foot p.cr{display:none}
 .stage{height:calc(100svh - var(--bar) - 40px)}
 .ts .sel{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
main > .wrap:first-child{padding-top:28px}
.prose code{overflow-wrap:anywhere}