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canvas{display:block;width:100%;height:100%;touch-action:none}.interior-stage-note{position:absolute;bottom:13px;left:13px;padding:6px 9px;border:1px solid rgba(255,255,255,.1);border-radius:10px;background:rgba(6,14,24,.76);color:#c9d9e5;font-size:.6875rem}.interior-layer-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin-top:12px}.interior-layer-controls button{display:grid;grid-template-columns:11px 1fr;align-items:center;gap:7px;min-width:0;padding:10px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.018);color:var(--muted);font:700 .75rem inherit;text-align:right;cursor:pointer}.interior-layer-controls i{width:10px;height:10px;border-radius:50%;background:var(--layer-color,#8fc4d3)}.interior-layer-controls button.active{border-color:var(--layer-color,#8fc4d3);background:color-mix(in srgb,var(--layer-color,#8fc4d3) 12%,transparent);color:var(--text)}.interior-layer-controls button[data-interior-layer="crust"]{--layer-color:#8fc4d3}.interior-layer-controls button[data-interior-layer="mantle"]{--layer-color:#bc704d}.interior-layer-controls button[data-interior-layer="outerCore"]{--layer-color:#ed9c3b}.interior-layer-controls button[data-interior-layer="innerCore"]{--layer-color:#fff0ba}.interior-side-stack{display:grid;gap:16px}.interior-detail-card{background:linear-gradient(145deg,rgba(23,42,59,.98),rgba(13,26,39,.98))}.interior-detail-card p{margin:10px 0 0;color:var(--muted);font-size:.8125rem;line-height:1.75}.interior-facts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0 0}.interior-facts div{padding:10px;border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.018)}.interior-facts dt{color:var(--muted);font-size:.625rem}.interior-facts dd{margin:3px 0 0;font-size:.75rem}.interior-scale{display:grid;gap:8px;margin-top:15px}.interior-scale span{position:relative;display:grid;grid-template-columns:1fr auto;gap:7px;align-items:center;padding:10px 11px 10px 14px;border:1px solid var(--line);border-radius:12px;overflow:hidden}.interior-scale span:before{content:'';position:absolute;inset:0 auto 0 0;width:6px;background:var(--tone)}.interior-scale b,.interior-scale small{position:relative;z-index:1;display:block}.interior-scale b{font-size:.75rem}.interior-scale small{color:var(--muted);font-size:.625rem}.interior-plates-section{margin-top:16px}.section-heading{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:12px}.section-heading h3{margin:3px 0;font-size:1.25rem}.section-heading p{margin:4px 0 0;color:var(--muted);font-size:.75rem;line-height:1.65}.interior-plate-status{padding:6px 9px;border:1px solid rgba(104,214,173,.25);border-radius:999px;background:rgba(104,214,173,.07);color:var(--green);font-size:.6875rem;white-space:nowrap}.interior-plates-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:16px}.plate-map-card{background:linear-gradient(145deg,rgba(13,45,69,.94),rgba(9,27,45,.98))}.plate-map{position:relative;height:290px;overflow:hidden;border:1px solid rgba(85,216,242,.22);border-radius:18px;background:radial-gradient(ellipse at 50% 40%,#205e85,#0d2f4c 55%,#061624 100%)}.plate-map:before,.plate-map:after{content:'';position:absolute;border:1px solid rgba(255,255,255,.09);border-radius:50%;inset:18% 5%;transform:rotate(-13deg)}.plate-map:after{inset:32% 16%;transform:rotate(23deg)}.plate{position:absolute;z-index:2;display:grid;place-items:center;padding:8px 10px;border:1px solid rgba(255,255,255,.14);border-radius:13px;background:rgba(8,25,39,.68);box-shadow:0 8px 18px rgba(0,0,0,.16);color:#d7edf5;font-size:.6875rem}.plate-pacific{right:7%;top:39%}.plate-eurasian{left:40%;top:22%}.plate-african{left:44%;top:54%}.plate-arabian{left:36%;top:47%;color:#ffe1a3}.plate-indian{left:25%;top:64%}.plate-american{right:61%;top:40%}.boundary{position:absolute;z-index:1;width:2px;background:repeating-linear-gradient(to bottom,#f6c85f 0 5px,transparent 5px 10px);opacity:.9}.boundary.pacific{height:77%;right:18%;top:10%;transform:rotate(19deg)}.boundary.alpine{height:52%;left:48%;top:21%;transform:rotate(71deg)}.boundary.rift{height:42%;left:50%;top:49%;transform:rotate(-17deg)}.ring-label{position:absolute;z-index:3;right:15%;bottom:11%;color:#ffc96c;font-size:.625rem}.plate-map-card>p{margin:10px 0 0;color:var(--muted);font-size:.6875rem}.plate-types-card{display:grid;gap:14px}.plate-type-list{display:grid;gap:7px}.plate-type-list button{display:grid;grid-template-columns:31px 1fr;gap:9px;align-items:center;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.018);color:var(--text);padding:10px;text-align:right;cursor:pointer}.plate-type-list i{width:31px;height:31px;border-radius:10px;background:rgba(85,216,242,.1);position:relative}.plate-type-list button:nth-child(1) i:after{content:'↔';position:absolute;inset:0;display:grid;place-items:center;color:#62d8ee;font-style:normal}.plate-type-list button:nth-child(2) i:after{content:'↕';position:absolute;inset:0;display:grid;place-items:center;color:#f6c85f;font-style:normal}.plate-type-list button:nth-child(3) i:after{content:'⇄';position:absolute;inset:0;display:grid;place-items:center;color:#c9b7ff;font-style:normal}.plate-type-list b,.plate-type-list small{display:block}.plate-type-list b{font-size:.75rem}.plate-type-list small{margin-top:2px;color:var(--muted);font-size:.625rem}.plate-type-list button.active{border-color:rgba(85,216,242,.5);background:rgba(85,216,242,.08)}.plate-type-detail{padding:14px;border:1px solid rgba(246,200,95,.2);border-radius:14px;background:rgba(246,200,95,.045)}.plate-type-detail span{color:var(--gold);font-size:.625rem}.plate-type-detail h3{margin:5px 0;font-size:1rem}.plate-type-detail p{margin:0;color:var(--muted);font-size:.75rem;line-height:1.7}.interior-observation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.interior-observation{display:grid;grid-template-columns:37px 1fr;gap:10px;padding:16px}.interior-observation>span{display:grid;place-items:center;width:37px;height:37px;border-radius:12px;background:rgba(246,200,95,.1);color:var(--gold);font-size:1.1875rem}.interior-observation b{font-size:.8125rem}.interior-observation p{margin:5px 0 0;color:var(--muted);font-size:.6875rem;line-height:1.65}.interior-sources{margin-top:16px;padding:14px 17px}.interior-sources summary{cursor:pointer;font-weight:800}.interior-sources p{color:var(--muted);font-size:.75rem;line-height:1.65}.interior-sources a{display:inline-block;margin-left:10px;color:var(--cyan);font-size:.75rem}
body.light .interior-stage{background:radial-gradient(circle at 48% 48%,#d2836c 0,#edc6a7 35%,#d9e9ed 71%,#c7dce4 100%)}body.light .plate-map{background:radial-gradient(ellipse at 50% 40%,#8ecae0,#5592ba 55%,#2d5f83 100%)}body.light .plate{background:rgba(246,252,254,.76);color:#163145}
@media(max-width:900px){.interior-layout,.interior-plates-grid{grid-template-columns:1fr}.interior-stage{height:390px}}@media(max-width:620px){.interior-model-card,.interior-detail-card,.interior-scale-card,.plate-map-card,.plate-types-card{padding:15px}.interior-stage{height:330px}.interior-layer-controls{grid-template-columns:1fr 1fr}.interior-observation-grid{grid-template-columns:1fr}.section-heading{display:grid}.interior-plate-status{justify-self:start}.plate-map{height:250px}.plate-eurasian{left:36%}.plate-american{right:58%}}
.plate-map-real{position:relative;height:318px;overflow:hidden;border:1px solid rgba(85,216,242,.34);border-radius:18px;background:#0b304b;box-shadow:inset 0 0 45px rgba(2,11,23,.42)}.plate-map-real canvas{display:block;width:100%;height:100%}.plate-map-loading{position:absolute;inset:0;display:grid;place-items:center;background:rgba(5,20,33,.68);color:#d6eff2;font-size:.75rem;letter-spacing:.01em}.plate-map-loading[hidden]{display:none}.plate-map-loading.error{inset:auto 12px 11px;padding:7px 9px;border:1px solid rgba(255,190,104,.35);border-radius:10px;background:rgba(43,28,18,.8);font-size:.625rem;text-align:center}.plate-map-legend{position:absolute;bottom:10px;left:10px;display:flex;flex-wrap:wrap;gap:5px;max-width:75%;pointer-events:none}.plate-map-legend span{display:flex;align-items:center;gap:4px;padding:4px 6px;border:1px solid rgba(220,245,247,.18);border-radius:999px;background:rgba(4,20,32,.79);color:#e1f2f3;font-size:.5625rem}.plate-map-legend span:before{content:'';width:11px;height:2px;background:currentColor}.plate-map-legend .divergent{color:#65ddef}.plate-map-legend .divergent:before{background:repeating-linear-gradient(to right,currentColor 0 4px,transparent 4px 7px)}.plate-map-legend .convergent{color:#ffbe74}.plate-map-legend .transform{color:#ceb5ff}.plate-map-legend .transform:before{background:repeating-linear-gradient(to right,currentColor 0 2px,transparent 2px 5px)}.plate-map-card>p{line-height:1.65}.light .plate-map-real{background:#70b3cf}.light .plate-map-legend span{background:rgba(244,252,253,.86);color:#173d55}.light .plate-map-loading{background:rgba(238,249,250,.72);color:#173d55}@media(max-width:620px){.plate-map-real{height:255px}.plate-map-legend{bottom:7px;left:7px;gap:3px}.plate-map-legend span{padding:3px 5px;font-size:.5rem}}