/* Electronics calculators. Uses the shared --ink/--muted/--line/--paper/--white/--blue tokens so dark mode follows the site. */
.el-page .sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.el-page{max-width:1320px}
.el-heading h1{font-size:clamp(28px,4vw,42px);line-height:1.25;margin:8px 0 12px}
.el-family{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px}
.el-family a{font-size:14px;line-height:1.4;border:1px solid var(--line);background:var(--white);border-radius:999px;padding:8px 14px;color:var(--ink);text-decoration:none}
.el-family a[aria-current=page]{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:600}
.el-workbench{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);border:1px solid var(--line);border-radius:18px;background:var(--white);overflow:hidden;box-shadow:0 14px 42px rgba(23,42,71,.06)}
.el-form{padding:22px 24px;border-right:1px solid var(--line);min-width:0}
.el-lead{margin:0 0 14px;color:var(--muted)}
.el-sub{margin:0 0 10px;font-weight:700;color:var(--ink)}
.el-row{margin-bottom:14px}
.el-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.el-when{display:contents}.el-when[hidden]{display:none}
.el-field{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted);min-width:0}
.el-field>span:first-child{line-height:1.35}
.el-field small{font-size:12px;line-height:1.45;color:var(--muted)}
.el-field input,.el-field select,.el-field textarea{width:100%;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:8px 11px;font:inherit;font-size:16px;color:var(--ink);background:var(--white);box-sizing:border-box;min-width:0}
.el-field textarea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;resize:vertical}
.el-field input:focus,.el-field select:focus,.el-field textarea:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}
.el-field input:disabled,.el-field select:disabled{background:var(--paper);color:var(--muted)}
.el-join{display:flex;gap:6px;min-width:0}.el-join input{flex:1 1 auto}.el-join select{flex:0 0 auto;width:auto;min-width:72px}
.el-seg{display:inline-flex;flex-wrap:wrap;gap:4px;padding:4px;border:1px solid var(--line);border-radius:11px;background:var(--paper)}
.el-seg label{position:relative}.el-seg input{position:absolute;opacity:0}
.el-seg span{display:block;padding:7px 13px;border-radius:8px;font-size:14px;cursor:pointer;color:var(--muted)}
.el-seg input:checked+span{background:var(--white);color:var(--ink);font-weight:600;box-shadow:0 1px 3px rgba(23,42,71,.12)}
.el-seg input:focus-visible+span{outline:2px solid var(--blue)}
.el-reverse{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}.el-reverse[hidden]{display:none}
.el-actions-inline{margin-top:12px}
.el-actions-inline button,.el-actions button{min-height:42px;border:1px solid var(--line);border-radius:10px;padding:8px 14px;font:inherit;font-size:15px;background:var(--white);color:var(--ink);cursor:pointer}
.el-resistor{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:10px 12px;margin-bottom:14px}
.el-resistor svg,.el-visual svg{width:100%;max-width:360px;height:auto;display:block;margin:0 auto}
.el-bands{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.el-band[hidden]{display:none}
.el-band select{border-left:12px solid var(--sw,var(--line))}
.el-wirelead{stroke:#9aa3ad;stroke-width:3}
.el-body{fill:#e7d3a8;stroke:#b79a62;stroke-width:1.2}
.el-bandrect{stroke:rgba(0,0,0,.18);stroke-width:.6}
.el-schematic{width:100%;max-width:280px;height:auto;margin:16px 0 0;display:block}
.el-wire{fill:none;stroke:var(--muted);stroke-width:2}.el-part{fill:var(--white);stroke:var(--blue);stroke-width:2}.el-dot{fill:var(--blue)}
.el-label{font-size:12px;fill:var(--ink);font-family:inherit}
.el-output{padding:22px 24px;background:var(--paper);min-width:0}
.el-error{background:#fdecec;color:#a42323;border:1px solid #f2c2c2;border-radius:10px;padding:10px 12px;margin:0 0 12px;font-size:15px}
.el-overline{margin:0;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.el-main{margin:4px 0 2px;color:var(--ink)}.el-main strong{font-size:clamp(28px,4vw,42px);line-height:1.15;font-variant-numeric:tabular-nums;letter-spacing:-.01em;overflow-wrap:anywhere}
.el-main-sub{margin:4px 0 0;color:var(--muted);font-variant-numeric:tabular-nums;min-height:1.4em;overflow-wrap:anywhere}
.el-metrics{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:8px;margin:18px 0 12px}
.el-metrics div{background:var(--white);border:1px solid var(--line);border-radius:11px;padding:10px 12px;min-width:0}
.el-metrics dt{font-size:13px;color:var(--muted);margin:0 0 3px}.el-metrics dd{margin:0;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.el-visual:not(:empty){background:var(--white);border:1px solid var(--line);border-radius:12px;padding:10px;margin:0 0 12px}
.el-formula{font-size:13px;line-height:1.6;color:var(--muted);margin:0 0 14px;overflow-wrap:anywhere}
.el-actions{display:flex;flex-wrap:wrap;gap:8px}
.el-toast{margin:10px 0 0;font-size:14px;color:#14734f}
.el-table-wrap{position:relative;overflow-x:auto;margin:10px 0;border:1px solid var(--line);border-radius:12px;background:var(--white)}
.el-table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
.el-table caption{text-align:left;font-weight:600;padding:10px 12px 4px;color:var(--ink)}
.el-table th,.el-table td{padding:8px 12px;border-top:1px solid var(--line);text-align:left;white-space:nowrap;color:var(--ink)}
.el-table thead th{font-size:13px;color:var(--muted);font-weight:600;background:var(--paper)}
.el-table tbody th{font-weight:600}
.el-swatch{display:inline-block;width:14px;height:14px;border-radius:4px;background:var(--sw);border:1px solid rgba(0,0,0,.2);vertical-align:-2px;margin-right:6px}
.el-note{font-size:13px;color:var(--muted);line-height:1.6}
.el-chart{border:1px solid var(--line);border-radius:12px;padding:6px 12px;margin:10px 0;background:var(--white)}.el-chart summary{cursor:pointer;font-weight:600;padding:6px 0}
.el-guide{min-width:0}.el-guide h2{margin-top:30px}
.guide-layout>*{min-width:0}
html[data-xunl-theme="dark"] .el-error{background:#3a1a1d;color:#ffb4b4;border-color:#6d2c31}
html[data-xunl-theme="dark"] .el-toast{color:#6fd6a6}
html[data-xunl-theme="dark"] .el-body{fill:#c9b07e;stroke:#e2cfa3}
@media(max-width:980px){.el-workbench{grid-template-columns:1fr}.el-form{border-right:0;border-bottom:1px solid var(--line)}}
@media(max-width:560px){.el-family{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;margin-right:-16px;scrollbar-width:thin}.el-family a{flex:0 0 auto}.el-form,.el-output{padding:16px}.el-grid,.el-bands{grid-template-columns:1fr}.el-seg{display:flex}.el-seg label{flex:1 1 auto}.el-seg span{text-align:center}}
@media print{.el-family,.el-form,.el-actions{display:none!important}.el-workbench{display:block;border:0;box-shadow:none}}