.dm-page{--dm-ink:#122537;--dm-muted:#526577;--dm-line:#cfdae4;--dm-bg:#fff;--dm-soft:#f3f7f9;--dm-accent:#087d71;--dm-warn:#97510d;color:var(--dm-ink);background:var(--dm-bg);letter-spacing:0;font-size:16px;line-height:1.75}
.dm-page[data-theme=dark]{--dm-ink:#ecf1f4;--dm-muted:#b8c6d0;--dm-line:#50616c;--dm-bg:#192428;--dm-soft:#233237;--dm-accent:#75d8bf;--dm-warn:#ffbd75}
.dm-page *{box-sizing:border-box;letter-spacing:0;min-width:0}.dm-page [hidden]{display:none!important}.dm-page h1,.dm-page h2,.dm-page h3,.dm-page strong,.dm-page summary{color:var(--dm-ink)}.dm-page h1{font-size:32px;line-height:1.35;margin:14px 0}.dm-page h2{font-size:22px;line-height:1.45;margin:0 0 16px}.dm-page h3{font-size:19px;margin:14px 0 8px}.dm-page p{font-size:16px;line-height:1.8;margin:10px 0 16px;color:var(--dm-muted);overflow-wrap:anywhere}.dm-page a{color:var(--dm-accent)}.dm-breadcrumb{font-size:13px;color:var(--dm-muted)}.dm-heading{padding-bottom:16px}
.dm-workspace{border:1px solid var(--dm-line);border-radius:8px;padding:20px;background:var(--dm-bg)}.dm-tabs{display:flex;gap:4px;overflow-x:auto;border-bottom:1px solid var(--dm-line);padding-bottom:10px;scrollbar-width:thin}.dm-page button{font-family:inherit;font-size:14px;line-height:1.5;letter-spacing:0;white-space:normal;border:1px solid var(--dm-line);border-radius:5px;background:var(--dm-bg);color:var(--dm-ink);padding:10px 14px;height:auto;min-height:42px;box-shadow:none;text-shadow:none;cursor:pointer}.dm-page button:hover{border-color:var(--dm-accent);background:var(--dm-soft)}.dm-page button:focus-visible,.dm-page input:focus-visible,.dm-page select:focus-visible{outline:3px solid var(--dm-accent);outline-offset:2px}.dm-page button:disabled{opacity:.45;cursor:not-allowed}.dm-tabs button{flex:0 0 auto;white-space:nowrap;border:0;border-radius:4px;padding:10px}.dm-tabs button[aria-selected=true],.dm-presets button:hover,.dm-molecule-list button[aria-pressed=true]{background:var(--dm-accent);color:var(--dm-bg)}
.dm-settings{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0 4px;align-items:center}.dm-settings label{display:flex;align-items:center;gap:6px;font-size:13px;margin:0}.dm-page input,.dm-page select{color:var(--dm-ink);background:var(--dm-bg);border:1px solid var(--dm-line);border-radius:4px;font-family:inherit;letter-spacing:0;font-size:16px;padding:9px 10px;height:44px;line-height:1.4;box-shadow:none;width:100%}.dm-settings select{font-size:13px;height:36px;width:auto;max-width:190px;padding:5px 8px}.dm-page .dm-theme input{appearance:auto;width:18px;height:18px;margin:0;position:static;opacity:1}.dm-page .dm-hint{font-size:13px;line-height:1.7;margin:10px 0 16px}.dm-panel{padding:18px 0 8px}.dm-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.dm-field{display:flex;flex-direction:column;gap:6px;margin:0;font-size:14px;font-weight:600;color:var(--dm-ink)}.dm-input{display:flex;gap:6px;align-items:center}.dm-input input{flex:1;width:0}.dm-input select{width:100px;flex:0 0 100px}.dm-page input[type=range]{padding:0;accent-color:var(--dm-accent);border:0;background:transparent}.dm-presets,.dm-actions,.dm-molecule-list{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:14px 0}.dm-page .dm-primary{background:var(--dm-accent);color:var(--dm-bg);border-color:var(--dm-accent)}.dm-actions span{font-size:13px;color:var(--dm-muted)}.dm-actions i{margin-right:5px}.dm-molecule-list button{min-width:60px}.dm-vector-row{display:grid;grid-template-columns:1.1fr 1fr 1fr 42px;gap:8px;align-items:end;padding:12px 0;border-bottom:1px solid var(--dm-line)}.dm-vector-row button,.dm-charge-row button{width:42px;padding:8px}.dm-vector-row label,.dm-charge-row label{font-size:12px;margin:0}.dm-coordinate-scroll{overflow-x:auto;padding-bottom:6px}.dm-charge-row{display:grid;grid-template-columns:100px 70px repeat(3,80px) 74px 42px;gap:7px;align-items:end;min-width:580px;padding:10px 0;border-bottom:1px solid var(--dm-line)}.dm-charge-row input,.dm-charge-row select{font-size:14px;padding:8px}.dm-result-head{padding:16px 0;border-top:1px solid var(--dm-line)}.dm-result-head span{display:block;font-size:14px;color:var(--dm-muted)}.dm-result-head strong{display:block;font-size:28px;line-height:1.5;overflow-wrap:anywhere;color:var(--dm-accent);font-variant-numeric:tabular-nums}.dm-values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0 0 14px;gap:0 20px}.dm-values div{border-bottom:1px solid var(--dm-line);padding:10px 0}.dm-values dt{font-size:13px;color:var(--dm-muted)}.dm-values dd{margin:0;font-size:16px;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.dm-page details{padding:12px 0;border-bottom:1px solid var(--dm-line);margin:0}.dm-page summary{cursor:pointer;font-size:16px;font-weight:600}.dm-page details p{margin:10px 0}.dm-page #dm-error,.dm-page .dm-warning{color:var(--dm-warn);border-left:3px solid var(--dm-warn);padding:8px 12px;font-size:14px;background:var(--dm-soft)}.dm-page figure{margin:20px 0 10px;background:var(--dm-soft);border:1px solid var(--dm-line);border-radius:6px;padding:8px}.dm-page svg{width:100%;max-height:330px;display:block;aspect-ratio:12/7;color:var(--dm-ink)}.dm-page svg text{font-family:inherit;font-size:14px;fill:currentColor}.dm-page figcaption{padding:6px;font-size:13px;line-height:1.6;color:var(--dm-muted)}.dm-guides>section,.dm-reference,.dm-faq,.dm-related{padding-top:28px;margin-top:24px;border-top:1px solid var(--dm-line)}.dm-reference ul{padding-left:22px;font-size:14px}.dm-related>div{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.dm-related a{display:flex;flex-direction:column;border:1px solid var(--dm-line);border-radius:6px;padding:16px;text-decoration:none}.dm-related a strong{font-size:16px}.dm-related a span{font-size:13px;color:var(--dm-muted);margin-top:6px}.dm-molecule-meta{font-size:14px;color:var(--dm-muted)}
.dm-reference-table{overflow-x:auto}.dm-page table{width:100%;min-width:540px;font-size:14px}.dm-page th,.dm-page td{padding:10px;text-align:left;border-bottom:1px solid var(--dm-line);color:var(--dm-ink)}
/* Keep shared legacy form rules outside this calculator's controls. */
.modern-subpage #content.dm-page{--modern-text:var(--dm-ink);--modern-muted:var(--dm-muted);--modern-line:var(--dm-line);background:var(--dm-bg);color:var(--dm-ink)}
.modern-subpage #content.dm-page h1{font-size:32px;line-height:1.35}.dm-page button{width:auto;display:inline-flex;justify-content:center;align-items:center;transition:border-color .15s}.dm-page .dm-panel{margin:0}
.modern-subpage #content.dm-page input[type=text],.modern-subpage #content.dm-page select{background-color:var(--dm-bg);color:var(--dm-ink);border:1px solid var(--dm-line);border-radius:4px;font-size:16px;padding:9px 10px!important;line-height:1.4!important}
.modern-subpage #content.dm-page select{appearance:auto;background-image:none;min-height:44px}
.modern-subpage #content.dm-page .dm-settings select{font-size:13px;height:36px;min-height:36px;padding:5px 8px!important}
.modern-subpage #content.dm-page input:focus-visible,.modern-subpage #content.dm-page select:focus-visible{outline:3px solid var(--dm-accent);outline-offset:2px;box-shadow:none}
.dm-page input[type=range]{appearance:auto;width:100%;accent-color:var(--dm-accent)}
@media(max-width:600px){.modern-subpage #content.dm-page h1{font-size:26px}.dm-page h2{font-size:20px}.dm-workspace{padding:12px}.dm-fields{grid-template-columns:1fr}.dm-settings{gap:10px}.dm-vector-row{grid-template-columns:1fr 1fr 42px}.dm-vector-row>label:first-child{grid-column:1/-1}.dm-values,.dm-related>div{grid-template-columns:1fr}.dm-result-head strong{font-size:24px}.dm-page svg text{font-size:22px}.dm-page p{font-size:15px}.dm-page .dm-hint{font-size:13px}}