dialog.ohm-modal{background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:24px;padding:26px;width:min(720px,96vw);max-height:96dvh;box-shadow:0 24px 90px #0005}.ohm-modal #modalTitle{font-size:26px;letter-spacing:-.7px}.ohm-modal #detail{line-height:1.4}.ohm-modal button,.ohm-modal select,.ohm-modal input{font-family:Arial,sans-serif;color:var(--ink);border-color:var(--line);border-radius:10px;background:var(--surface)}.ohm-hud{padding:8px 0;font-size:9px;color:var(--muted);border-color:var(--line);letter-spacing:1px}.ohm-hud span:last-child{color:#298b80}.ohm-calculator>p{font-size:12px;color:var(--muted);margin:8px 0}.ohm-calculator>label{font-size:12px;font-weight:600}#ohmPair{margin:6px 0 12px;border-radius:10px;padding:12px;font-size:14px}.ohm-inputs{gap:12px}.ohm-inputs>label{position:relative;background:var(--surface);padding:12px;border:1px solid var(--line);border-radius:14px;display:grid;grid-template-columns:1fr 70px;gap:6px;align-items:center}.ohm-inputs>label>span{font-size:11px;font-weight:600;grid-column:1;line-height:1.3}.ohm-inputs select{grid-column:2;width:100%;padding:6px;font-size:13px;border:1px solid var(--line);height:34px}.ohm-inputs input[type=number]{grid-column:1/-1;margin:0;padding:6px 0;background:transparent;border:0;border-radius:0;font-size:30px;font-weight:650;width:100%;font-variant-numeric:tabular-nums}.ohm-inputs input[type=range]{grid-column:1/-1;accent-color:#338f86;height:24px;margin:0}.ohm-results{gap:8px;margin-top:10px}.ohm-results>div{border:1px solid var(--line)!important;border-radius:12px;padding:12px;font-size:11px;box-shadow:none!important;background:var(--surface)!important}.ohm-results small{display:block;font-size:8px;letter-spacing:1px;color:var(--muted);margin-bottom:5px}.ohm-results strong{font-size:26px;font-variant-numeric:tabular-nums;margin-top:4px;line-height:1.1}.ohm-results .calculated-value{border-color:#338f86!important;background:#338f8610!important}.ohm-results .calculated-value small{color:#338f86}.ohm-lab{background:none;border:1px solid var(--line);border-radius:14px;margin-top:10px;overflow:hidden}.ohm-circuit{max-height:125px}.lab-caption{font-size:9px;color:var(--muted)}.ohm-flow{stroke:#338f86}.flow-note{font-size:9px}.ohm-actions{display:flex;align-items:center;gap:8px;margin-top:8px}.ohm-actions button{margin:0;min-height:36px;font-size:12px;padding:8px 12px}.ohm-actions #ohmCopy{background:var(--ink);color:var(--bg);flex:1}.ohm-actions button:disabled{opacity:.4;cursor:default}#ohmCopyStatus{font-size:10px;color:var(--muted)}.ohm-modal .learn-nav{margin-top:14px;gap:6px}.ohm-modal .learn-nav button{border:1px solid var(--line);border-radius:10px;min-height:40px;color:var(--muted);background:var(--surface)}.ohm-modal .learn-nav button[aria-expanded=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}.learn-panel{border-color:var(--line);border-radius:14px}.ohm-modal #close{border:0;border-radius:20px;font-size:12px}#ohmError{font-size:12px;color:#d5534f}#ohmError:empty{display:none}input[aria-invalid=true]{outline:1px solid #d5534f}.ohm-modal button:focus-visible,.ohm-modal input:focus-visible,.ohm-modal select:focus-visible{outline:2px solid #338f86;outline-offset:2px}
@media(max-width:760px){dialog.ohm-modal{width:100%;height:100dvh;max-height:100dvh;max-width:100%;border:0;border-radius:0;padding:12px 14px}.ohm-modal #modalTitle{font-size:22px}.ohm-calculator{overflow:auto;min-height:0;scrollbar-width:thin}.ohm-hud{padding:3px 0}.ohm-calculator>p{font-size:10px;margin:4px 0}#ohmPair{padding:9px;margin:4px 0 7px;font-size:12px}.ohm-inputs>label{padding:9px;gap:2px;grid-template-columns:1fr 62px}.ohm-inputs input[type=number]{font-size:25px;padding:3px 0}.ohm-inputs select{font-size:12px;height:30px;padding:4px}.ohm-results{margin-top:5px;gap:6px}.ohm-results>div{padding:8px}.ohm-results strong{font-size:23px}.ohm-results small{margin-bottom:2px;font-size:7px}.ohm-lab{margin-top:5px;min-height:85px;max-height:120px}.ohm-circuit{max-height:90px}.ohm-actions{margin-top:4px}.ohm-modal .learn-nav{margin-top:auto;padding-top:5px}.ohm-modal .learn-nav button{font-size:11px}.flow-note{display:none}#ohmExplanation{font-size:10px}}
@media(max-width:760px) and (max-height:650px){.ohm-hud,#ohmExplanation,.lab-caption{display:none}.ohm-lab{min-height:62px;max-height:75px}.ohm-circuit{max-height:70px}.ohm-inputs input[type=number]{font-size:22px}.ohm-results strong{font-size:20px}.ohm-actions button{min-height:32px;padding:6px}}

/* Compact, wide Ohm workspace: tabs stay above the calculator and all primary controls fit without a scrollbar. */
dialog.ohm-modal{box-sizing:border-box;width:min(1080px,96vw);max-width:1080px;max-height:94dvh;overflow:hidden;padding:18px 24px 20px;display:flex;flex-direction:column;gap:6px}
.ohm-modal #modalTitle{font-size:22px;line-height:1.1;margin:0;flex:none}
.ohm-modal #close{position:absolute;top:14px;right:18px;z-index:2;margin:0;padding:6px 11px;min-height:30px}
.ohm-modal #detail{display:flex;flex:1;min-height:0;overflow:hidden;flex-direction:column;gap:8px}
.ohm-modal .learn-nav{order:-1;flex:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin:0;padding:0;gap:7px}
.ohm-modal .learn-nav button{min-height:34px}
.ohm-modal .ohm-calculator{flex:1;min-height:0;overflow:hidden;scrollbar-width:none;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-areas:"hud hud" "intro intro" "pair pair" "inputs results" "inputs lab" "error error" "explain explain" "actions actions";grid-template-rows:auto auto auto minmax(0,auto) minmax(0,1fr) auto auto auto;gap:6px 14px;align-content:stretch}
.ohm-calculator>.ohm-hud{grid-area:hud;padding:3px 0}
.ohm-calculator>p:not(#ohmError):not(#ohmExplanation){grid-area:intro;margin:0;font-size:11px}
.ohm-calculator>label{grid-area:pair;display:flex;align-items:center;gap:10px;font-size:11px}
.ohm-calculator>#ohmPair{flex:1;min-width:0;margin:0;padding:7px 10px;font-size:12px}
.ohm-calculator>.ohm-inputs{grid-area:inputs;display:grid;grid-template-columns:1fr;gap:7px;align-content:stretch}
.ohm-calculator>.ohm-inputs>label{padding:8px 10px;grid-template-columns:minmax(0,1fr) 64px;gap:3px}
.ohm-calculator>.ohm-inputs input[type=number]{font-size:26px;padding:2px 0}
.ohm-calculator>.ohm-inputs input[type=range]{height:18px}
.ohm-calculator>#ohmError{grid-area:error;margin:0;min-height:0}
.ohm-calculator>.ohm-results{grid-area:results;display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:0;align-content:stretch}
.ohm-calculator>.ohm-results>div{padding:8px 10px}
.ohm-calculator>.ohm-results strong{font-size:22px}
.ohm-calculator>.ohm-lab{grid-area:lab;min-height:90px;max-height:145px;margin:0;display:flex;flex-direction:column}
.ohm-calculator>.ohm-lab .ohm-circuit{flex:1;min-height:0;max-height:120px;width:100%}
.ohm-calculator>.ohm-lab .flow-note{margin:0 8px 5px}
.ohm-calculator>#ohmExplanation{grid-area:explain;margin:0;font-size:11px;line-height:1.3}
.ohm-calculator>.ohm-actions{grid-area:actions;margin:0}
.ohm-modal #learnPanel{flex:none;max-height:30vh;overflow:auto}
@media(max-width:760px){
 dialog.ohm-modal{width:100%;height:100dvh;max-height:100dvh;max-width:100%;border:0;border-radius:0;padding:10px 12px;gap:5px}
 .ohm-modal #modalTitle{font-size:19px;padding-right:86px}
 .ohm-modal #close{top:8px;right:10px;min-height:28px;padding:4px 9px}
 .ohm-modal #detail{gap:5px}
 .ohm-modal .learn-nav{gap:5px}
 .ohm-modal .learn-nav button{min-height:32px;padding:4px 2px;font-size:10px}
 .ohm-modal .ohm-calculator{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-areas:"hud hud" "intro intro" "pair pair" "inputs inputs" "error error" "results results" "lab lab" "explain explain" "actions actions";grid-template-rows:auto auto auto auto auto auto minmax(60px,1fr) auto auto;gap:4px 7px}
 .ohm-calculator>.ohm-hud{font-size:8px;padding:1px 0}
 .ohm-calculator>p:not(#ohmError):not(#ohmExplanation){font-size:9px}
 .ohm-calculator>label{font-size:10px;gap:6px}
 .ohm-calculator>#ohmPair{padding:5px 7px;font-size:10px}
 .ohm-calculator>.ohm-inputs{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:5px}
 .ohm-calculator>.ohm-inputs>label{padding:6px;grid-template-columns:minmax(0,1fr) 48px;gap:2px;border-radius:8px}
 .ohm-calculator>.ohm-inputs>label>span{font-size:9px}
 .ohm-calculator>.ohm-inputs select{height:25px;font-size:10px;padding:2px}
 .ohm-calculator>.ohm-inputs input[type=number]{font-size:21px}
 .ohm-calculator>.ohm-inputs input[type=range]{height:14px}
 .ohm-calculator>#ohmError{font-size:9px}
 .ohm-calculator>.ohm-results{gap:4px}
 .ohm-calculator>.ohm-results>div{padding:5px 7px;border-radius:8px;font-size:9px}
 .ohm-calculator>.ohm-results small{font-size:6px;margin-bottom:1px}
 .ohm-calculator>.ohm-results strong{font-size:18px}
 .ohm-calculator>.ohm-lab{min-height:58px;max-height:90px;border-radius:8px}
 .ohm-calculator>.ohm-lab .ohm-circuit{max-height:78px}
 .ohm-calculator>.ohm-lab .lab-caption{font-size:7px;padding:3px 6px}
 .ohm-calculator>.ohm-lab .flow-note{display:none}
 .ohm-calculator>#ohmExplanation{font-size:9px;line-height:1.15}
 .ohm-calculator>.ohm-actions{gap:5px}
 .ohm-calculator>.ohm-actions button{min-height:30px;padding:5px 8px;font-size:10px}
}
@media(max-width:760px) and (max-height:700px){
 .ohm-calculator>.ohm-hud,.ohm-calculator>p:not(#ohmError):not(#ohmExplanation),.ohm-calculator>#ohmExplanation,.ohm-calculator>.ohm-lab .lab-caption{display:none}
 .ohm-calculator{grid-template-rows:auto auto auto auto minmax(50px,1fr) auto auto}
 .ohm-calculator>.ohm-lab{min-height:48px;max-height:60px}
 .ohm-calculator>.ohm-lab .ohm-circuit{max-height:54px}
}

/* Keep the learning views at one stable size; only their content changes. */
dialog.ohm-modal{height:min(690px,calc(100dvh - 48px));min-height:min(520px,calc(100dvh - 48px))}
.ohm-modal #detail{height:100%;min-height:0}
.ohm-modal .ohm-calculator{height:100%;min-height:0}
.ohm-modal #learnPanel{flex:1;min-height:0;max-height:none;overflow:auto;scrollbar-width:none;overscroll-behavior:contain}
.ohm-modal #learnPanel::-webkit-scrollbar{display:none}
@media(max-width:760px){dialog.ohm-modal{height:100dvh;min-height:100dvh}}

/* Keep the Ohm graph readable while giving the explanation more room. */
.ohm-modal #learnPanel .ohm-graph{display:block;width:min(460px,100%);height:auto;max-height:263px;margin:8px auto}
@media(max-width:760px){.ohm-modal #learnPanel .ohm-graph{width:min(360px,100%);max-height:206px;margin:6px auto}}

/* Standalone Ohm calculator opened from Calculations */
.ohm-calculator-only .learn-nav,.ohm-calculator-only #learnPanel{display:none!important}
.ohm-calculator-only #detail{overflow:hidden}
.quick-ohm{box-sizing:border-box;display:flex;flex-direction:column;gap:12px;width:min(760px,100%);height:100%;min-height:0;margin:0 auto;overflow:auto;padding:2px 4px 8px;scrollbar-width:thin}
.quick-ohm-back{align-self:flex-start;margin:0;padding:5px 0;border:0;background:transparent;color:#338f86;font-size:12px;font-weight:700;cursor:pointer}
.quick-ohm-intro{margin:0;color:var(--muted);font-size:13px}
.quick-ohm-pair-label{display:flex;align-items:center;gap:12px;font-size:12px;font-weight:700;color:var(--muted)}
.quick-ohm-pair-label select{flex:1;min-width:0;height:42px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-size:13px}
.quick-ohm-inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quick-ohm-inputs>label{display:block;padding:13px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--muted);font-size:11px;font-weight:700}
.quick-ohm-inputs>label>span{display:grid;grid-template-columns:80px minmax(0,1fr);gap:8px;margin-top:7px}
.quick-ohm-inputs select,.quick-ohm-inputs input{box-sizing:border-box;width:100%;min-width:0;height:44px;margin:0;padding:7px 9px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--ink);font:inherit;font-size:15px}
.quick-ohm-inputs input{font-size:22px;font-weight:650;font-variant-numeric:tabular-nums}
.quick-ohm-inputs input[aria-invalid=true]{border-color:#d5534f;outline:1px solid #d5534f}
#quickOhmError{margin:0;color:#d5534f;font-size:12px}#quickOhmError:empty{display:none}
.quick-ohm-results{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.quick-ohm-results article{min-width:0;padding:12px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.quick-ohm-results article small,.quick-ohm-results article span{display:block;color:var(--muted);font-size:9px;line-height:1.35}
.quick-ohm-results article small{margin-bottom:5px;font-size:8px;font-weight:700;letter-spacing:.08em}
.quick-ohm-results article strong{display:block;margin-top:8px;font-size:22px;line-height:1.15;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.quick-ohm-results article i{font-size:13px;font-style:normal;color:var(--muted)}
.quick-ohm-results .quick-ohm-known{border-color:var(--line)}.quick-ohm-results .quick-ohm-result{border-color:#338f8680;background:#338f860d}.quick-ohm-results .quick-ohm-result small{color:#338f86}
.quick-ohm-note{margin:0;padding:10px 12px;border-left:3px solid #d49a4a;border-radius:0 9px 9px 0;background:var(--surface);color:var(--muted);font-size:11px;line-height:1.45}
.quick-ohm-actions{display:flex;align-items:center;gap:8px;margin-top:auto}.quick-ohm-actions button{min-height:40px;margin:0;padding:8px 13px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink);font:inherit;font-size:12px;cursor:pointer}.quick-ohm-actions #quickOhmCopy{flex:1;background:var(--ink);color:var(--bg)}.quick-ohm-actions #quickOhmCopy:disabled{opacity:.45;cursor:default}#quickOhmStatus{color:var(--muted);font-size:10px}
@media(max-width:760px){.quick-ohm{gap:8px;padding:0 2px 6px}.quick-ohm-intro{font-size:11px}.quick-ohm-pair-label{gap:7px;font-size:10px}.quick-ohm-pair-label select{height:38px;padding:6px 8px;font-size:11px}.quick-ohm-inputs{gap:7px}.quick-ohm-inputs>label{padding:9px;border-radius:11px;font-size:9px}.quick-ohm-inputs>label>span{grid-template-columns:52px minmax(0,1fr);gap:4px;margin-top:5px}.quick-ohm-inputs select,.quick-ohm-inputs input{height:39px;padding:5px;font-size:12px}.quick-ohm-inputs input{font-size:18px}.quick-ohm-results{grid-template-columns:1fr 1fr;gap:6px}.quick-ohm-results article{padding:9px}.quick-ohm-results article strong{margin-top:5px;font-size:19px}.quick-ohm-note{padding:8px 9px;font-size:10px}.quick-ohm-actions button{min-height:36px;padding:7px 10px;font-size:11px}}