/* Island-tværsnittet. Samme tokens og krom som atlasset (atlas.css). */
:root{--paper:#fff9ee;--ink:#17211f;--blue:#0e86c8;--lys:#c7e6f6;--slate:#49615b;--rod:#c0182c;--display:'Archivo',system-ui,sans-serif;--body:'Source Serif 4',Georgia,serif;--mono:'IBM Plex Mono',monospace}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.5 var(--body)}
[hidden]{display:none!important}
a{color:inherit}button,input{font:inherit}button{cursor:pointer}
button{min-height:44px;border:2px solid var(--ink);border-radius:6px;background:var(--paper);color:var(--ink);padding:7px 13px;font:600 14px var(--display)}
button:hover{background:var(--lys)}button:disabled{opacity:.4;cursor:default}button:disabled:hover{background:var(--paper)}
button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
:focus-visible{outline:3px solid #7a4fd6;outline-offset:3px}
.skjult{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.spring{position:absolute;left:10px;top:-80px;z-index:10;background:white;padding:12px}.spring:focus{top:8px}
.regnbue{height:6px;background:linear-gradient(90deg,#e8336d 0 14.3%,#ff6a3d 14.3% 28.6%,#ffb300 28.6% 42.9%,#5fb030 42.9% 57.2%,#0fa593 57.2% 71.5%,#0e86c8 71.5% 85.8%,#7a4fd6 85.8%)}
.site-linje{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 24px;border-bottom:2px solid var(--ink);font:600 13px var(--display)}
.brand{display:flex;align-items:center;gap:6px;text-decoration:none;font:bold 23px var(--display)}.brand small{font:12px var(--mono);margin-left:-5px}.brand span{width:23px;height:23px;border:2px solid var(--ink);border-radius:7px;background:conic-gradient(#e8336d,#ffb300,#5fb030,#0e86c8,#7a4fd6,#e8336d)}
main{padding:0 24px 16px;max-width:1800px;margin:auto}
.intro{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:10px 0}
.overlinje{font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;margin:0 0 3px;color:var(--slate)}
h1{font:800 clamp(22px,2.4vw,32px)/1.1 var(--display);letter-spacing:-.035em;margin:0}h1 span{color:var(--blue)}.intro>p{font-size:15px;line-height:1.35;margin:0;color:var(--slate);max-width:340px;text-align:right}

/* Forløbet Globus → Kort → Under overfladen, også på tværsnitssiden. */
.forloeb{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.forloeb a{display:flex;align-items:center;gap:6px;min-height:36px;padding:4px 11px;border:2px solid var(--ink);border-radius:6px;text-decoration:none;font:600 14px var(--display);background:var(--paper)}
.forloeb a:hover{background:var(--lys)}
.forloeb a span{font:500 11px var(--mono);color:var(--slate)}
.forloeb a[aria-current="page"]{background:var(--ink);color:var(--paper)}.forloeb a[aria-current="page"] span{color:#fff9eeb3}
@media(max-width:500px){.intro{flex-wrap:wrap;gap:6px}.forloeb{justify-content:flex-start;width:100%}.forloeb a{flex:1;justify-content:center;padding:4px 6px;font-size:13px}}

.snit{border:2px solid var(--ink);border-radius:12px;box-shadow:3px 4px 0 var(--ink);overflow:hidden;background:#fffdf7}
.vaerktoejer{display:flex;align-items:center;justify-content:space-between;gap:8px 12px;flex-wrap:wrap;padding:8px 12px;border-bottom:1px solid var(--ink)}
.skift{display:flex}.skift button{border-radius:0}.skift button:first-child{border-radius:6px 0 0 6px}.skift button:last-child{border-radius:0 6px 6px 0;border-left:0}
.ekstra{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.visning button{min-width:46px;padding:7px 10px}
#afspil{min-width:96px}#afspil .ikon{display:inline-block;width:1.1em;font-size:12px}
.valgfelt{display:flex;align-items:center;gap:8px;min-height:44px;font:600 14px var(--display);cursor:pointer}.valgfelt input{width:20px;height:20px;margin:0;accent-color:#ff6a3d}
.valgfelt.slukket{opacity:.45;cursor:default}
.lagvalg{position:relative}
#lagknap .pil{font-size:11px}#lagknap[aria-expanded="true"]{background:var(--lys)}
.lagpanel{position:absolute;right:0;top:calc(100% + 6px);z-index:5;min-width:240px;margin:0;padding:6px 14px 8px;background:var(--paper);border:2px solid var(--ink);border-radius:8px;box-shadow:4px 4px 0 var(--ink)}
.lagpanel legend{float:left;width:100%;padding:4px 0 2px;font:500 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--slate)}
.lagpanel .valgfelt{min-height:40px;clear:both}

.arbejdsflade{display:grid;grid-template-columns:minmax(0,1fr) clamp(290px,29vw,400px);height:calc(100svh - 192px);min-height:400px}
.figur{position:relative;margin:0;min-width:0;min-height:0;border-right:1px solid var(--ink);overflow:hidden;container-type:inline-size}
.scene{position:absolute;left:0;top:0;width:100%;height:100%;touch-action:pan-y;perspective-origin:50% 45%}
.scene:focus-visible{outline-offset:-4px}
.blok{position:absolute;left:0;top:0;transform-style:preserve-3d;transition:transform .35s ease}
.traekker .blok{transition:none}.tre-d .scene{cursor:grab}.traekker .scene{cursor:grabbing}
.flade{position:absolute;left:0;top:0;display:block;backface-visibility:hidden;overflow:visible}
#tvaersnit{width:100%;height:100%}
.overside,.oest,.vest{display:none}
.tre-d .overside,.tre-d .oest,.tre-d .vest{display:block}
/* Firefox tegner et utransformeret barn i en preserve-3d-blok forkert (forstørret); en lille Z-flytning retter det. */
.tre-d #tvaersnit{transform:translateZ(.01px)}
.overside{transform-origin:50% 100%;transform:rotateX(90deg)}
.oest{transform-origin:0 50%;transform:rotateY(90deg)}
.vest{transform-origin:100% 50%;transform:rotateY(-90deg)}
.tre-d .luft-flade{fill:none}
.sidekant{fill:none;stroke:var(--ink);stroke-width:1.5}
.land-flade{fill:#637b78;stroke:var(--ink);stroke-width:1.5}
.hav-flade.top{stroke:var(--ink);stroke-width:2}
.maerkater{position:absolute;left:8px;bottom:6px;display:flex;flex-direction:column;align-items:flex-start;gap:4px;pointer-events:none}
.skematisk,.tidsmaerke{margin:0;padding:2px 7px;font:500 12px var(--mono);background:var(--paper);border:1px solid var(--ink);border-radius:4px}
.tidsmaerke{border-style:dashed}
.drejeknapper{position:absolute;right:8px;bottom:6px;display:flex;gap:4px}
.drejeknapper button{min-width:44px;padding:4px 8px;background:#fffdf7e6}
/* I en smal figur står drejeknapperne 2×2 (▲▼ over ◀▶), så mærkerne ikke ligger bag dem. */
@container(max-width:620px){.drejeknapper{display:grid;grid-template-columns:repeat(2,auto)}.drejeknapper [data-drej$=",0"]{order:1}}
.forklaring{background:linear-gradient(145deg,#fffdf7,#f7f2e7);display:flex;flex-direction:column;min-height:0;padding:10px 14px}
.tekstrum{flex:1;min-height:0;overflow:auto;padding-right:4px}
.trinvalg{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:10px}.trinvalg button{min-width:40px;padding:4px 8px;font-size:13px;border-width:1px;border-color:#49615b55;border-radius:50%}.trinvalg button:first-child{border-radius:6px}.trinvalg button[aria-pressed="true"]{border-color:var(--ink)}
.forklaring h2{font:700 22px/1.15 var(--display);margin:0 0 6px}
#trintekst p{margin:0 0 8px;font-size:16px;line-height:1.45}
.seefter{margin:2px 0 10px;padding:8px 10px;border-left:4px solid var(--blue);background:#eef6fa;font-size:15px;line-height:1.4}.seefter .hint{color:var(--slate)}
.trinpile{display:flex;justify-content:space-between;gap:8px;padding-top:8px;border-top:1px solid #49615b40}

/* Figurens farver. Kappen er fast sten: varm, men ikke glødende rød. */
.luft-flade{fill:#fffdf7}.hav-flade{fill:url(#havfarve)}.overflade-linje{fill:none;stroke:var(--ink);stroke-width:1.5}
.skorpe-flade{fill:url(#skorpefarve);stroke:#314846;stroke-width:1.2}
.plade-flade{fill:url(#pladefarve);stroke:#796b54;stroke-width:1.2}
.kappe-flade{fill:url(#kappefarve)}
.hotspot-flade{fill:url(#hotspotfarve);stroke:#c4471c;stroke-width:1.5;stroke-dasharray:6 5}
.kappepil{fill:none;stroke:#7a5a33;stroke-width:1.8;opacity:.7}.hoved-kappepil{fill:#7a5a33}
.smelte-flade{fill:#efad4428;stroke:#b47837;stroke-width:1.2;stroke-dasharray:4 5}
.draaber circle{fill:#e2521f;stroke:#7d1d0a;stroke-width:.6}
.baand{fill:#fff9ee;opacity:.045}
.kappespor circle{fill:#7a5a33;stroke:#fff9ee;stroke-width:1}
.magmaspor circle{fill:#ffb300;stroke:#7d1d0a;stroke-width:.8}
.smeltestart{stroke:#c4471c;stroke-width:1.5;stroke-dasharray:5 4}
.gang{fill:none;stroke:#e2521f;stroke-width:3.5;stroke-linecap:round}.gang.tynd{stroke-width:2.2}
.henvisning{stroke:var(--ink);stroke-width:1;fill:none}.kammer{fill:#e2521f;stroke:#7d1d0a;stroke-width:1.2}
.vulkan{fill:#4e4a45;stroke:var(--ink);stroke-width:1}.lava{fill:none;stroke:#e2521f;stroke-width:2;stroke-linecap:round}
.pladepil{stroke:var(--ink);stroke-width:5;fill:none}.hoved-pladepil{fill:var(--ink)}
.skorpepil{stroke:#fff9ee;stroke-width:2.2;fill:none}.hoved-skorpepil{fill:#fff9ee}
.graense-ydre{stroke:var(--rod);stroke-width:7;stroke-linecap:round}.graense-indre{stroke:#fff9ee;stroke-width:2.2}
.etiket{font:600 14px var(--display);fill:var(--ink);paint-order:stroke;stroke:#fffdf7;stroke-width:3px;stroke-linejoin:round}
.etiket.lille{font-size:13px}.etiket.note{font:400 12px var(--display);fill:#46554d;stroke:#f0e3c7}
.etiket.plade{font-size:13px}.etiket .maerke{font:500 10px var(--mono);fill:#46554d}
.etiket.midt{font-size:13px}

/* Trinvis fremhævning: andre lag tones ned, men forbliver synlige. */
.flade [data-lag]{transition:opacity .25s}
.flade.fremhaevet [data-lag]:not(.aktiv):not([data-lag="navne"]){opacity:.28}

.eftertekst{display:grid;gap:4px;padding-top:12px;font-size:15px}
.eftertekst summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font:700 16px var(--display)}
.eftertekst details>p,.eftertekst ol{max-width:72ch;margin:0 0 10px}.links{margin:6px 0 0;color:var(--slate)}
.maerketabel{border-collapse:collapse;margin:0 0 12px;max-width:720px;width:100%;font-size:14px}.maerketabel th,.maerketabel td{text-align:left;border-bottom:1px solid var(--slate);padding:6px 8px}
.uden-script{padding:20px;border:2px solid var(--ink)}

body.fokus .site-header,body.fokus .intro,body.fokus .eftertekst{display:none}body.fokus main{padding:8px}
body.fokus .arbejdsflade{height:calc(100svh - 82px)}

/* Lave laptopvinduer: kompakt intro, så figuren får højden. */
@media(min-width:900px) and (max-height:700px){.intro{padding:6px 0}.intro>p{display:none}h1{font-size:24px}.arbejdsflade{height:calc(100svh - 170px)}#trintekst p{font-size:15px}}

/* Smalle vinduer: figur øverst, forklaringen under. Siden må rulle lodret. */
@media(max-width:899px){
  .arbejdsflade{grid-template-columns:1fr;height:auto;min-height:0}
  .figur{height:min(520px,max(380px,calc(100svh - 230px)));border-right:0;border-bottom:1px solid var(--ink)}
  .tekstrum{overflow:visible}
  .intro>p{display:none}
  body.fokus .arbejdsflade{height:auto}body.fokus .figur{height:calc(100svh - 82px)}
}
@media(max-width:500px){
  main{padding:0 10px 14px}.site-linje{padding:8px 12px}
  .vaerktoejer{padding:7px}.skift:not(.visning){width:100%}.skift:not(.visning) button{flex:1;padding:6px 8px;font-size:13px}
  .ekstra{width:100%;justify-content:space-between}
  .lagpanel{right:auto;left:50%;transform:translateX(-50%)}
  .skematisk,.tidsmaerke{font-size:11px}.skematisk span{display:none}
  .ekstra{gap:6px}#afspil{min-width:0}.visning button{min-width:40px}
  .forklaring{padding:12px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important}}

/* Havniveau og tydelig forskel mellem plade og kappe. */
.havniveau{fill:none;stroke:#388ba7;stroke-width:1;stroke-dasharray:5 6;opacity:.65}
.modelnote{margin:8px 0 0;padding:8px 0;color:var(--slate);font:13px/1.4 var(--display);border-top:1px solid #49615b30}
.modelnote strong{color:var(--ink);font-weight:600}
.oest .skorpe-flade,.vest .skorpe-flade{fill:#435c5d}
.oest .plade-flade,.vest .plade-flade{fill:#a99476}
.oest .kappe-flade,.vest .kappe-flade{fill:#dfc69f}
.overside .hav-flade,.oest .hav-flade,.vest .hav-flade{fill:#b4dce8}

.landskabslink{display:inline-flex;align-items:center;min-height:44px;padding:6px 10px;border:1px solid #315b58;border-radius:6px;color:#315b58;font:600 13px var(--display);text-decoration:none}.landskabslink:hover{background:#dcece3}