/* M07K08 · Energy density */
.emenergy-hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(320px,.7fr);gap:34px;align-items:center;padding:76px 0 54px;scroll-margin-top:calc(var(--header-h) + 22px)}
.emenergy-hero>*{min-width:0}.emenergy-hero-copy :is(h1,h2){margin:12px 0 18px;max-width:930px;font-size:clamp(2.45rem,5vw,4.9rem);line-height:.98;letter-spacing:-.052em}.emenergy-hero-copy :is(h1,h2) em{color:var(--accent);font-style:normal}.emenergy-hero-copy>p{margin:0;max-width:860px;color:var(--muted);font-size:1.05rem}.emenergy-hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.emenergy-hero-card,.emenergy-card,.emenergy-note,.emenergy-panel,.emenergy-assumption,.emenergy-reading,.emenergy-scope-grid article{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}.emenergy-hero-card{padding:24px}.emenergy-hero-card>span,.emenergy-card>span,.emenergy-reading>span,.emenergy-scope-grid article>span{color:var(--accent);font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.emenergy-equation{display:grid;place-items:center;min-height:52px;margin:9px 0;padding:10px;border:1px solid var(--line);border-radius:12px;background:color-mix(in srgb,var(--bg-elevated) 78%,transparent);font-family:var(--em-mono);text-align:center;overflow-wrap:anywhere}.emenergy-equation.large{min-height:70px;font-size:clamp(.92rem,1.7vw,1.15rem)}.emenergy-mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-top:9px}.emenergy-mini-grid div{min-width:0;padding:9px;border:1px solid var(--line);border-radius:11px;background:color-mix(in srgb,var(--panel-solid) 70%,transparent)}.emenergy-mini-grid span{display:block;color:var(--muted);font-size:.65rem}.emenergy-mini-grid strong{display:block;margin-top:3px;font-size:.7rem;overflow-wrap:anywhere}
.emenergy-foundation{padding:42px 0 68px}.emenergy-foundation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.emenergy-card{padding:22px;box-shadow:none}.emenergy-card.primary{background:color-mix(in srgb,var(--accent) 7%,var(--panel));border-color:color-mix(in srgb,var(--accent) 32%,var(--line))}.emenergy-card h3{margin:8px 0;font-size:1.08rem}.emenergy-card p{margin:8px 0 0;color:var(--muted);font-size:.92rem}.emenergy-note{display:grid;grid-template-columns:190px minmax(0,1fr);gap:18px;align-items:start;margin-top:14px;padding:20px 22px;box-shadow:none}.emenergy-note strong{color:var(--warm)}.emenergy-note p{margin:0;color:var(--muted)}
.emenergy-lab-section{padding:72px 0 64px;border-block:1px solid var(--line);background:color-mix(in srgb,var(--bg-elevated) 38%,transparent)}.emenergy-lab-shell{display:grid;grid-template-columns:292px minmax(0,1fr);gap:14px;align-items:start}.emenergy-controls{position:sticky;top:calc(var(--header-h) + 16px);display:grid;gap:13px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--bg-elevated) 92%,transparent);box-shadow:var(--shadow)}.emenergy-control-head{display:flex;align-items:start;justify-content:space-between;gap:12px;padding-bottom:4px}.emenergy-control-head>div{display:grid;gap:3px}.emenergy-control-head span{color:var(--muted);font-size:.72rem}.emenergy-control-head strong{font-size:.88rem}.emenergy-status{min-width:max-content;padding:4px 7px;border:1px solid var(--line);border-radius:999px;color:var(--accent)!important;font-weight:800;letter-spacing:.04em}.emenergy-controls label{min-width:0;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:7px 10px;align-items:center;font-size:.78rem;font-weight:700}.emenergy-controls output{color:var(--accent);font-family:var(--em-mono);font-size:.74rem}.emenergy-controls input[type="range"]{grid-column:1/-1;width:100%;min-width:0;accent-color:var(--accent)}.emenergy-presets{min-width:0;margin:0;padding:10px;border:1px solid var(--line);border-radius:12px}.emenergy-presets legend{padding:0 5px;color:var(--muted);font-size:.7rem;font-weight:700}.emenergy-presets>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.emenergy-presets button{min-width:0;min-height:36px;padding:5px 6px;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--text);cursor:pointer;font-size:.68rem;font-weight:750}.emenergy-presets button:hover,.emenergy-presets button:focus-visible,.emenergy-presets button.is-active{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));background:color-mix(in srgb,var(--accent) 11%,var(--panel))}.emenergy-reset{width:100%}.emenergy-assumption{padding:13px;border-radius:12px;box-shadow:none}.emenergy-assumption strong{font-size:.76rem}.emenergy-assumption p{margin:5px 0 0;color:var(--muted);font-size:.71rem;line-height:1.45}
.emenergy-stage{min-width:0;display:grid;gap:14px}.emenergy-panel{min-width:0;padding:16px;box-shadow:none;overflow:hidden}.emenergy-panel-head{display:flex;align-items:start;justify-content:space-between;gap:16px;margin-bottom:10px}.emenergy-panel-head>div:first-child{display:grid;gap:3px}.emenergy-panel-head span{color:var(--muted);font-size:.7rem}.emenergy-panel-head strong{font-size:.88rem}.emenergy-readout{text-align:right}.emenergy-readout strong{display:block;color:var(--accent);font-family:var(--em-mono);font-size:.82rem}.emenergy-phase-svg,.emenergy-bars-svg,.emenergy-mod-svg{width:100%;overflow:hidden;contain:paint}.emenergy-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.emenergy-axis{stroke:var(--line-strong);stroke-width:1.3}.emenergy-grid{stroke:var(--line);stroke-width:1}.emenergy-label{fill:var(--muted);font-size:14px;font-family:var(--em-mono)}.emenergy-label.strong{fill:var(--text);font-weight:800}.emenergy-label.accent{fill:var(--accent)}.emenergy-label.warm{fill:var(--warm)}.emenergy-label.alt{fill:var(--accent-2)}.emenergy-trace-e{fill:none;stroke:var(--accent);stroke-width:2.7}.emenergy-trace-b{fill:none;stroke:var(--warm);stroke-width:2.7}.emenergy-trace-total{fill:none;stroke:var(--accent-2);stroke-width:3}.emenergy-marker{stroke:var(--line-strong);stroke-width:1.5;stroke-dasharray:5 5}.emenergy-dot-e{fill:var(--accent)}.emenergy-dot-b{fill:var(--warm)}.emenergy-dot-total{fill:var(--accent-2)}.emenergy-bar-e{fill:color-mix(in srgb,var(--accent) 78%,transparent)}.emenergy-bar-b{fill:color-mix(in srgb,var(--warm) 78%,transparent)}.emenergy-bar-total{fill:color-mix(in srgb,var(--accent-2) 78%,transparent)}.emenergy-mean-line{stroke:var(--line-strong);stroke-width:1.4;stroke-dasharray:6 5}.emenergy-mod-curve{fill:none;stroke:var(--accent-2);stroke-width:3}.emenergy-mod-point{fill:var(--warm);stroke:var(--text);stroke-width:1.5}
.emenergy-metrics,.emenergy-checks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.emenergy-metrics div,.emenergy-checks div{min-width:0;padding:13px 14px;border:1px solid var(--line);border-radius:13px;background:var(--panel)}.emenergy-metrics span,.emenergy-checks span{display:block;color:var(--muted);font-size:.69rem}.emenergy-metrics strong,.emenergy-checks strong{display:block;margin-top:4px;font-family:var(--em-mono);font-size:.78rem;overflow-wrap:anywhere}.emenergy-checks strong{color:var(--accent-3)}.emenergy-reading{padding:18px 20px;box-shadow:none}.emenergy-reading h3{margin:7px 0 5px;font-size:1rem}.emenergy-reading p{margin:0;color:var(--muted);font-size:.88rem}.emenergy-scope{padding:68px 0 46px}.emenergy-scope-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.emenergy-scope-grid article{min-width:0;padding:18px;box-shadow:none}.emenergy-scope-grid strong{display:block;margin-top:6px}.emenergy-scope-grid p{margin:7px 0 0;color:var(--muted);font-size:.84rem}
@media(max-width:980px){.emenergy-hero{grid-template-columns:1fr}.emenergy-lab-shell{grid-template-columns:1fr}.emenergy-controls{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.emenergy-control-head,.emenergy-presets,.emenergy-reset,.emenergy-assumption{grid-column:1/-1}.emenergy-scope-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.emenergy-hero{padding-top:50px}.emenergy-hero-copy :is(h1,h2){font-size:clamp(2.1rem,11vw,3.6rem);overflow-wrap:anywhere}.emenergy-foundation-grid,.emenergy-detail-grid,.emenergy-metrics,.emenergy-checks,.emenergy-scope-grid{grid-template-columns:1fr}.emenergy-note{grid-template-columns:1fr}}
@media(max-width:520px){.emenergy-controls{grid-template-columns:1fr}.emenergy-control-head,.emenergy-presets,.emenergy-reset,.emenergy-assumption{grid-column:auto}.emenergy-mini-grid{grid-template-columns:1fr}.emenergy-panel{padding:12px}.emenergy-panel-head{flex-direction:column;gap:6px}.emenergy-readout{text-align:left}.emenergy-phase-svg,.emenergy-bars-svg,.emenergy-mod-svg{min-height:270px}}
@media(max-width:360px){.emenergy-scope .section-heading h2{overflow-wrap:anywhere}}
