/* Battery Studies 03 — an editorial specimen book for accessible research. */
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.icon-btn{min-width:40px;min-height:40px;background:transparent}.toolbar>.pill{font-weight:400;border-radius:3px}
.btn.primary{background:var(--green);border-color:var(--green);color:var(--bg);box-shadow:none}
.btn.primary:hover{filter:brightness(1.12);transform:none}
.btn.secondary{background:transparent}.pill{border-radius:3px}
.atelier-heading{padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:23px}
.atelier-heading .eyebrow{font-size:10px;letter-spacing:.8px;line-height:1.8}
.eyebrow::before,.live-dot{display:none}.eyebrow{color:var(--muted)}
.edition-label{color:var(--muted);letter-spacing:2.4px;font-size:9px;font-family:"SFMono-Regular",Consolas,monospace}
.faculty-credit{font-size:11px;color:var(--muted);margin:9px 0 0;line-height:1.8}
.atelier-story h1 em{color:#756653}.atelier-story h1{margin-top:23px;line-height:1.4}
.atelier-intro{font-size:13px;line-height:2}
.atelier-prompt{border-color:var(--line);background:var(--surface);border-left:2px solid #536f82;box-shadow:none}
.atelier-prompt>label{color:var(--text);font-weight:500;font-size:12px;gap:10px}.prompt-index{font-family:Georgia,serif;font-size:20px;font-style:italic;color:#9b765b}
.atelier-prompt textarea{font-size:13px}.atelier-prompt textarea::placeholder{color:var(--muted);opacity:.9}
.atelier-prompt-bottom>span{font-size:10px}.atelier-disclosure{align-items:flex-start;line-height:1.8}.status-dot{margin-top:7px;background:#9b765b}
.artwork-frame{margin:0;min-height:425px;border-bottom:1px solid var(--line);color:var(--muted)}
.artwork-topline{top:16px;left:18px;right:18px;font-size:8px;letter-spacing:1px;color:var(--muted)}
.artwork-bottomline{left:18px;right:18px;bottom:10px;font-size:8px;color:var(--muted);letter-spacing:.3px;flex-wrap:wrap}
.art-view-switch{border-color:var(--line);padding:2px;background:var(--bg)}
.art-view-switch button{border-radius:2px;min-height:36px;font-size:11px}
.art-view-switch button.active{background:#e0e5e6;color:#2b4a60}
.cutaway .outer-casing{opacity:.2;transform:translate(-98px,-12px)}
.curiosity-card,.curiosity-card.cold,.curiosity-card.warm,.curiosity-card.speed{background:transparent;border:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:0;padding-left:18px;padding-right:18px}
.curiosity-card:hover{background:#eae8df;border-color:#9ca7aa}
.curiosity-illustration{height:115px}.curiosity-card h3{font-size:15px;font-weight:500}.curiosity-card p{font-size:12px;color:var(--muted)}
.card-number{font-style:normal;font-size:15px;left:18px;color:#957b63}.card-arrow{color:var(--muted)}
.section-heading .eyebrow{font-family:"SFMono-Regular",Consolas,monospace;font-size:9px;color:var(--muted);letter-spacing:1.2px}
.section-heading h2{font-size:22px;font-weight:400;letter-spacing:-.6px}.section-heading>span{font-size:11px}
.choice-card{border-color:var(--line);padding:15px 17px;min-height:80px}.choice-card small{font-size:11px}.choice-card strong{font-size:13px}
.choice-card.selected{background:#e6eaeb;border-color:#8094a0;box-shadow:none}.choice-card:hover{background:#eceeeb;border-color:#8e9da5}
.choice-symbol{color:#7d9099}.choice-symbol svg{width:24px;height:24px;stroke-width:1.2}.choice-card.selected .choice-symbol,.choice-card i{color:#34556c}
.choice-group legend>span{color:#927962}.plain-help p,.quiet-details summary,.quiet-details p{font-size:12px}
#inline-validation.easy-review{display:flex;gap:20px;background:#e8e8df;border:1px solid var(--line)}
.charge-journey{color:#526f80}.charge-journey>div>span,.easy-review-text p{color:var(--muted)}
.easy-plan{background:var(--surface);border-color:var(--line);border-left:2px solid #8c7861}.tool-emblem{border-radius:3px;background:var(--panel);color:var(--green)}
.empty-study{width:50px;height:60px;display:grid;place-items:center;border:1px solid var(--line);color:var(--muted);flex-shrink:0}.empty-study svg{width:25px;height:30px;stroke-width:1}
.atelier-empty h3{font-family:inherit;font-size:16px}.atelier-empty p{font-size:12px}.atelier-empty>.tiny{color:var(--muted)}
.atelier-closing>span{color:#7d6b57;font-size:22px}.atelier-closing p{letter-spacing:.7px;font-size:10px;line-height:1.9}
.time-lens-card{border-radius:4px}.time-control input{accent-color:#34556c}.time-lens-label strong{font-size:13px}.time-values>span{font-size:11px}
.footer-note{line-height:1.9;gap:10px}
.panel,.expert-section,.integration-card{border-radius:5px;box-shadow:none}.insight{background:var(--panel)}
.battery-stage::before,.battery-stage::after{display:none}.cell-body{background:linear-gradient(90deg,#344f62,#7e939e 27%,#c0c8c7 48%,#718895 75%,#2d475b)}
.cell-text,.cell-brand{color:#e5e7df}.stage-caption{color:var(--muted)}
body[data-theme="dark"] .atelier-story h1 em{color:#c4ac91}
body[data-theme="dark"] .curiosity-card,body[data-theme="dark"] .curiosity-card.warm,body[data-theme="dark"] .curiosity-card.cold{background:transparent;border-color:var(--line)}
body[data-theme="dark"] .curiosity-card:hover{background:#24343f}
body[data-theme="dark"] .curiosity-illustration{filter:brightness(1.55) saturate(.7)}
body[data-theme="dark"] .artwork-frame{background:transparent}body[data-theme="dark"] .battery-artwork{color:#9baeb7}
body[data-theme="dark"] .art-view-switch button.active{background:#344b5c;color:#dae1df}
body[data-theme="dark"] .choice-card{border-color:var(--line)}body[data-theme="dark"] .choice-card.selected,body[data-theme="dark"] .choice-card:hover{background:#2b3e4b;border-color:#768d9c}
body[data-theme="dark"] .choice-card.selected .choice-symbol,body[data-theme="dark"] .choice-card i{color:#b7ccd8}
body[data-theme="dark"] #inline-validation.easy-review{background:#24343e;border-color:var(--line)}body[data-theme="dark"] .charge-journey{color:#a7c1ce}
body[data-theme="dark"] .easy-plan{background:var(--surface);border-color:var(--line);border-left-color:#bda084}
body[data-theme="dark"] .easy-plan.needs-answer{background:#363329;border-color:#61543d}
body[data-theme="dark"] .atelier-closing>span{color:#b8a58e}
@media(max-width:1150px){.artwork-frame{min-height:390px}.atelier-story h1{font-size:37px}.atelier-intro{font-size:12px}.artwork-bottomline{flex-direction:row;align-items:center;bottom:10px;gap:8px}.faculty-credit{font-size:10px}.artwork-topline span:last-child{display:none}.curiosity-card p{font-size:11px}.choice-card{padding:13px 12px}}
@media(max-width:900px){.atelier-hero{grid-template-columns:1.1fr 1fr;gap:14px}.atelier-story h1{font-size:32px}.atelier-heading .eyebrow{font-size:9px}.artwork-bottomline>span{display:none}.artwork-bottomline{justify-content:flex-end}}
@media(max-width:760px){.atelier-heading{padding-bottom:13px;margin-bottom:12px;gap:12px}.atelier-heading .eyebrow{font-size:9px;letter-spacing:0;max-width:210px}.atelier-hero{grid-template-columns:1fr;gap:0}.faculty-credit{grid-row:2;font-size:11px;margin:6px 0 0}.atelier-story h1{font-size:clamp(31px,7.3vw,42px);letter-spacing:-1.3px;margin:15px 0 13px;line-height:1.4}.atelier-intro{font-size:12px;line-height:1.9}.artwork-frame{min-height:0;height:310px;margin:14px 0 20px}.battery-artwork{height:310px;width:100%;margin:0}.artwork-topline{top:8px;left:0;right:0;font-size:7px}.artwork-topline span:last-child{display:block}.artwork-bottomline{left:0;right:0;bottom:6px;justify-content:space-between}.artwork-bottomline>span{display:block;font-size:7px;max-width:55%;line-height:1.6}.curiosity-grid{display:grid;grid-template-columns:1fr;overflow:visible;gap:0;padding:0}.curiosity-card{width:100%;max-width:none;min-width:0;display:grid;grid-template-columns:90px 1fr;align-items:center;gap:14px;padding:15px 20px 15px 0;border-bottom:0}.curiosity-card:last-child{border-bottom:1px solid var(--line)}.curiosity-illustration{width:90px;height:80px;grid-column:1}.curiosity-illustration svg{width:115px;height:85px;margin:0}.curiosity-card>div:nth-child(2){grid-column:2;min-width:0}.card-number{position:static;font-size:10px}.curiosity-card h3{font-size:14px;margin:3px 10px 4px 0;line-height:1.55}.curiosity-card p{font-size:11px}.card-arrow{right:2px;top:50%;transform:translateY(-50%)}.section-heading h2{font-size:20px}.section-heading .eyebrow{font-size:9px}.choice-card small{font-size:11px}.choice-card{min-height:80px}.choice-options:has(>.choice-card:nth-child(3):last-child) .choice-card small{font-size:10px}.easy-review-text p{font-size:11px}.atelier-disclosure{font-size:10px}.atelier-closing{padding-top:30px}.atelier-closing p{font-size:9px;letter-spacing:0}.footer-note{padding-bottom:15px}.time-values>span{font-size:10px}.empty-study{width:38px;height:46px}.atelier-empty{gap:13px;padding:26px 0}.atelier-empty h3{font-size:15px}.atelier-empty p{font-size:11px}.topbar .breadcrumb{font-size:10px;gap:7px}.university-label{white-space:nowrap}.toolbar>.pill{font-size:8px;margin:0}.toolbar{gap:6px}.icon-btn{min-width:36px;min-height:40px}.easy-start{width:100%;order:4;justify-content:center}.easy-review-text{order:3}.plain-help p,.quiet-details summary,.quiet-details p{font-size:11px}}
@media(max-width:375px){.atelier-story h1{font-size:30px}.atelier-heading .eyebrow{font-size:8px}.expert-entry{font-size:9px}.artwork-frame{height:285px}.battery-artwork{height:285px}.curiosity-card{grid-template-columns:72px 1fr;gap:10px}.curiosity-illustration{width:72px}.curiosity-illustration svg{width:95px}.curiosity-card h3{font-size:13px}.curiosity-card p{font-size:10px}.section-heading h2{font-size:18px}.breadcrumb strong{max-width:95px}.choice-symbol svg{width:21px;height:21px}.choice-options{gap:8px}}
@media(prefers-reduced-motion:reduce){.inner-layers,.outer-casing,.drawing-annotations{transition:none}}
@media print{body{background:#fff}.faculty-credit{color:#333}.artwork-frame{height:260px;min-height:0;border:0}.artwork-topline,.artwork-bottomline{display:none}.battery-artwork{height:260px;color:#444}.artwork-frame.cutaway .outer-casing{opacity:.2}}

@media(max-width:760px){.time-lens-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.time-lens-card{padding:14px}.time-battery{flex-wrap:wrap;gap:7px}.time-battery svg{width:78px}.time-battery>b{font-size:27px}.time-lens-label>span{display:none}}
@media(max-width:375px){.time-lens-cards{grid-template-columns:1fr}}