/* theme.css — shared across every page. Light default, dark toggle. */
/* Self-hosted fonts (no third-party CDN). Files in assets/fonts/. */
@font-face{font-family:"Inter";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/inter-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/inter-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/inter-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/inter-latin-700-normal.woff2") format("woff2")}
@font-face{font-family:"Inter";font-style:normal;font-weight:800;font-display:swap;src:url("fonts/inter-latin-800-normal.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url("fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:500;font-display:swap;src:url("fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:600;font-display:swap;src:url("fonts/jetbrains-mono-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:700;font-display:swap;src:url("fonts/jetbrains-mono-latin-700-normal.woff2") format("woff2")}
:root,[data-theme=light]{
  --panel:#f6f7f4;--panel-2:#fff;--line:#e2e5df;--ink:#16201d;--ink-dim:#5a6a64;
  --ink-faint:#8a988f;--run:#1f9e8f;--surge:#e8870a;--surge-hot:#e0531f;--danger:#d63027;--grid:#edefe9;
  --gauge-bg:#fbfcfa;--sel-bg:#e8870a;--sel-ink:#fff;--header-bg:rgba(246,247,244,.85);
  --shadow:0 20px 60px -38px rgba(20,40,35,.4);--primary-ink:#fff;--link:#1a56db;
}
[data-theme=dark]{
  --panel:#0e1419;--panel-2:#141d24;--line:#243038;--ink:#e8eef2;--ink-dim:#8aa0ad;
  --ink-faint:#5a6f7b;--run:#3fb6a8;--surge:#ffb020;--surge-hot:#ff7a3d;--danger:#ff5247;--grid:#1b252c;
  --gauge-bg:#0e1419;--sel-bg:#ffb020;--sel-ink:#1a1208;--header-bg:rgba(14,20,25,.85);
  --shadow:0 30px 80px -40px rgba(0,0,0,.8);--primary-ink:#1a1208;--link:#6ea8fe;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
:root{
  --font-sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
body{background:var(--panel);color:var(--ink);font-family:var(--font-sans);font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background .35s,color .35s}
::selection{background:var(--sel-bg);color:var(--sel-ink)}
a{color:inherit}
.mono{font-family:var(--font-mono)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* header */
header{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(8px)}
.bar{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-family:"JetBrains Mono",monospace;font-weight:600;letter-spacing:-.3px;font-size:15px;color:var(--ink);text-decoration:none}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--run);box-shadow:0 0 0 3px color-mix(in srgb,var(--run) 22%,transparent);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px color-mix(in srgb,var(--run) 22%,transparent)}50%{box-shadow:0 0 0 6px color-mix(in srgb,var(--run) 6%,transparent)}}
.nav-right{display:flex;align-items:center;gap:20px}
nav{display:flex;gap:22px;font-size:15px}
nav a{color:var(--ink-dim);text-decoration:none;transition:color .15s;font-weight:500;letter-spacing:-.1px}
nav a:hover{color:var(--ink)}
@media(max-width:760px){nav{display:none}}
.tt-toggle{width:54px;height:28px;border-radius:20px;border:1px solid var(--line);background:var(--panel-2);cursor:pointer;position:relative;flex:none}
.tt-toggle .knob{position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;background:var(--surge);transition:transform .35s cubic-bezier(.3,1.3,.5,1);display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--primary-ink)}
[data-theme=dark] .tt-toggle .knob{transform:translateX(26px)}

/* type */
.eyebrow{font-family:"JetBrains Mono",monospace;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--surge);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.eyebrow.plain::before{display:none}
.eyebrow::before{content:"";width:28px;height:1px;background:var(--surge)}
h1{font-family:var(--font-sans);font-weight:760;font-size:clamp(34px,5.2vw,60px);line-height:1.04;letter-spacing:-2.2px;max-width:17ch;color:var(--ink)}
h1.calc-title{font-size:clamp(24px,3.4vw,36px);letter-spacing:-1.1px;max-width:27ch;line-height:1.12;font-weight:740}
.goal,.modebtn{font-family:var(--font-sans);font-weight:600}
.pack .pktx b{font-family:var(--font-sans);font-weight:640}
.fe-tab,.hvopt,.qty .qbtn{font-family:var(--font-sans)}
h1 .hl{color:var(--surge)}
.sub{color:var(--ink-dim);font-size:clamp(17px,2vw,21px);max-width:56ch;margin-top:20px;line-height:1.6}
h2{font-family:var(--font-sans);font-weight:720;font-size:clamp(23px,3.2vw,32px);letter-spacing:-1px;max-width:24ch;color:var(--ink);line-height:1.15}
h3{font-family:var(--font-sans);font-weight:660;font-size:17px;letter-spacing:-.3px;color:var(--ink)}
.lead{color:var(--ink-dim);max-width:62ch;margin-top:16px;font-size:18.5px;line-height:1.62}
.sec-label{font-family:var(--font-mono);font-size:12.5px;letter-spacing:2.5px;text-transform:uppercase;color:var(--ink-dim);margin-bottom:16px}
p.body{color:var(--ink-dim);max-width:64ch;margin-top:14px;font-size:16.5px}
.prose p{color:var(--ink-dim);max-width:66ch;margin-top:15px;line-height:1.7;font-size:17px}
.prose h2{margin-top:42px}
.prose h3{margin-top:28px;color:var(--ink)}
.prose ul{margin:15px 0 0 20px;color:var(--ink-dim);max-width:64ch;font-size:17px}
.prose li{margin-bottom:8px;line-height:1.62}
.prose strong{color:var(--ink);font-weight:640}

/* buttons */
.cta-row{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.btn{font-family:var(--font-sans);font-size:15.5px;font-weight:620;padding:13px 24px;border-radius:10px;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:transform .12s,filter .15s,border-color .15s,box-shadow .15s;display:inline-flex;align-items:center;gap:9px;letter-spacing:-.1px}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--surge);color:var(--primary-ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 6px 18px -8px color-mix(in srgb,var(--surge) 70%,transparent)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink-dim)}

/* cards / grids */
.card{background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:22px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}
@media(max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:22px}
.step .idx{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--surge);letter-spacing:1px}
.step h3{margin:10px 0 8px}.step p{font-size:14px;color:var(--ink-dim)}

.tools{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:34px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
@media(max-width:680px){.tools{grid-template-columns:1fr}}
.toolgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden}
@media(max-width:680px){.toolgrid{grid-template-columns:1fr}}
.tool{background:var(--panel-2);padding:22px;text-decoration:none;color:inherit;transition:background .15s;display:flex;flex-direction:column;gap:8px}
.tool:hover{background:var(--panel)}
.tool .tt2{font-family:var(--font-sans);font-size:16.5px;font-weight:640;letter-spacing:-.2px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--ink)}
.tool .tt2 .arr{color:var(--ink-faint);transition:transform .15s}
.tool:hover .tt2 .arr{transform:translateX(3px);color:var(--surge)}
.tool p{font-size:14.5px;color:var(--ink-dim)}

/* ---- Calculators index: featured card + grouped icon cards ---- */
.calc-feature{display:flex;gap:28px;align-items:center;margin-top:34px;padding:30px 32px;
  background:var(--panel-2);border:1px solid var(--line);border-radius:18px;text-decoration:none;color:inherit;
  position:relative;overflow:hidden;transition:border-color .18s,box-shadow .18s,transform .18s}
.calc-feature::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--run)}
.calc-feature:hover{border-color:var(--run);box-shadow:var(--shadow);transform:translateY(-2px)}
.calc-feature .cf-icon{flex:none;width:72px;height:72px;border-radius:16px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--run) 12%,transparent);color:var(--run)}
.calc-feature .cf-icon .cic{width:34px;height:34px}
.cf-body{min-width:0}
.cf-tag{font-family:var(--font-mono);font-size:11.5px;letter-spacing:2px;text-transform:uppercase;color:var(--run);margin-bottom:8px}
.calc-feature h2{font-size:25px;letter-spacing:-.4px;margin:0 0 8px}
.calc-feature p{color:var(--ink-dim);font-size:15.5px;line-height:1.55;max-width:62ch;margin:0 0 14px}
.cf-cta{display:inline-flex;align-items:center;gap:8px;font-weight:640;color:var(--ink);font-size:15px}
.cf-cta .arr{color:var(--run);transition:transform .18s}
.calc-feature:hover .cf-cta .arr{transform:translateX(4px)}

.calc-group{margin-top:46px}
.cg-head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.cg-head h3{font-size:15px;font-weight:700;letter-spacing:.2px;margin:0;color:var(--ink)}
.cg-head .cg-sub{font-family:var(--font-mono);font-size:12px;letter-spacing:1px;color:var(--ink-faint)}
.ccard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ccard{display:flex;align-items:flex-start;gap:14px;padding:20px;background:var(--panel-2);
  border:1px solid var(--line);border-radius:14px;text-decoration:none;color:inherit;
  transition:border-color .15s,box-shadow .15s,transform .15s;position:relative}
.ccard:hover{border-color:var(--run);box-shadow:var(--shadow);transform:translateY(-2px)}
.cc-icon{flex:none;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--run) 10%,transparent);color:var(--run);transition:background .15s}
.cc-icon .cic{width:22px;height:22px}
.ccard:hover .cc-icon{background:color-mix(in srgb,var(--run) 18%,transparent)}
.cc-text{min-width:0;flex:1}
.cc-title{font-weight:640;font-size:15.5px;letter-spacing:-.2px;color:var(--ink);margin-bottom:5px;line-height:1.3}
.cc-text p{font-size:13.5px;color:var(--ink-dim);line-height:1.5;margin:0}
.cc-arr{flex:none;color:var(--ink-faint);font-size:16px;transition:transform .15s,color .15s;margin-top:2px}
.ccard:hover .cc-arr{transform:translateX(3px);color:var(--run)}
@media(max-width:880px){.ccard-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){
  .ccard-grid{grid-template-columns:1fr}
  .calc-feature{flex-direction:column;align-items:flex-start;gap:18px;padding:24px}
  .calc-feature h2{font-size:22px}
}
@media(prefers-reduced-motion:reduce){
  .calc-feature,.ccard,.cf-cta .arr,.cc-arr{transition:none}
  .calc-feature:hover,.ccard:hover{transform:none}
}

/* ---- Free tools network: icon cards ---- */
.netcard-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.netcard{display:flex;align-items:flex-start;gap:14px;padding:20px;background:var(--panel-2);
  border:1px solid var(--line);border-radius:14px;text-decoration:none;color:inherit;
  transition:border-color .15s,box-shadow .15s,transform .15s}
.netcard:hover{border-color:var(--run);box-shadow:var(--shadow);transform:translateY(-2px)}
.nc-icon{flex:none;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--run) 10%,transparent);color:var(--run);transition:background .15s}
.nc-icon .cic{width:22px;height:22px}
.netcard:hover .nc-icon{background:color-mix(in srgb,var(--run) 18%,transparent)}
.nc-text{min-width:0;flex:1}
.nc-title{display:flex;align-items:center;gap:6px;font-weight:640;font-size:15px;letter-spacing:-.2px;
  color:var(--ink);margin-bottom:5px;line-height:1.3;word-break:break-word}
.nc-ext{flex:none;width:13px;height:13px;color:var(--ink-faint);transition:color .15s,transform .15s}
.netcard:hover .nc-ext{color:var(--run);transform:translate(1px,-1px)}
.nc-text p{font-size:13px;color:var(--ink-dim);line-height:1.5;margin:0}
.net-note{margin-top:40px;padding:18px 20px;background:var(--panel-2);border:1px solid var(--line);
  border-radius:12px;font-size:13.5px;color:var(--ink-dim);line-height:1.6}
.net-note code{font-family:var(--font-mono);font-size:12.5px;background:var(--panel);
  border:1px solid var(--line);border-radius:5px;padding:1px 6px;color:var(--ink-dim)}
@media(max-width:880px){.netcard-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.netcard-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.netcard{transition:none}.netcard:hover{transform:none}}

/* contrast strip */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:60px;background:var(--panel-2)}
.strip .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;padding:0}
.stat{padding:28px 24px;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;right:0;top:20%;bottom:20%;width:1px;background:var(--line)}
.stat .n{font-family:"JetBrains Mono",monospace;font-size:28px;font-weight:700;letter-spacing:-1px;color:var(--ink)}
.stat .n .u{font-size:14px;color:var(--surge)}
.stat .l{font-size:13px;color:var(--ink-dim);margin-top:6px}
@media(max-width:680px){.strip .wrap{grid-template-columns:1fr}.stat:not(:last-child)::after{display:none}.stat{border-bottom:1px solid var(--line)}}

/* calculator widget */
.layout{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;padding:30px 0 60px;align-items:start}
@media(max-width:860px){.layout{grid-template-columns:1fr}}
.card h2.cardh{font-size:15px;color:var(--ink-dim);letter-spacing:.5px;text-transform:uppercase;margin-bottom:16px}
.catgrp{margin-bottom:14px}
.catname{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-dim);margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{font-family:"JetBrains Mono",monospace;font-size:12px;background:var(--panel);border:1px solid var(--line);color:var(--ink-dim);padding:7px 11px;border-radius:7px;cursor:pointer;display:flex;align-items:center;gap:7px;user-select:none}
.chip .led{width:6px;height:6px;border-radius:50%;background:var(--ink-faint)}
.chip[aria-pressed=true]{border-color:var(--run);color:var(--ink);background:color-mix(in srgb,var(--run) 8%,transparent)}
.chip[aria-pressed=true] .led{background:var(--run);box-shadow:0 0 6px var(--run)}
.chip[data-motor=true][aria-pressed=true]{border-color:var(--surge);background:color-mix(in srgb,var(--surge) 8%,transparent)}
.chip[data-motor=true][aria-pressed=true] .led{background:var(--surge);box-shadow:0 0 6px var(--surge)}
.chipwrap{display:inline-flex;align-items:center;gap:4px}
.qty{display:none;align-items:center;gap:2px;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;padding:2px}
.qty .qbtn{width:22px;height:22px;border:none;background:transparent;color:var(--ink-dim);font-family:"JetBrains Mono",monospace;font-size:15px;line-height:1;cursor:pointer;border-radius:5px;display:flex;align-items:center;justify-content:center}
.qty .qbtn:hover{background:var(--panel);color:var(--surge)}
.qty .qn{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--ink);min-width:16px;text-align:center}
.softbtn{display:none;align-items:center;background:var(--panel-2);border:1px solid var(--line);border-radius:7px;padding:3px 8px;cursor:pointer;font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.3px;color:var(--ink-faint);transition:all .15s}
.softbtn:hover{border-color:var(--ink-dim);color:var(--ink-dim)}
.softbtn[aria-pressed=true]{border-color:var(--run);background:color-mix(in srgb,var(--run) 12%,transparent);color:var(--run)}
.ss-hint{display:block;margin-top:8px;padding-top:8px;border-top:1px dashed var(--line);color:var(--ink-dim);font-size:12.5px}
.ss-hint b{color:var(--run)}
.hvopt{flex:1;display:flex;align-items:center;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px 12px;cursor:pointer;font-size:14px;font-weight:550;color:var(--ink);font-family:var(--font-sans)}
.hvopt input{accent-color:var(--surge)}
.goalsel{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media(max-width:520px){.goalsel{grid-template-columns:1fr}}
.goal{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:11px 13px;cursor:pointer;font-family:"JetBrains Mono",monospace;font-size:13px;font-weight:600;color:var(--ink);transition:all .15s}
.goal span{display:block;font-weight:400;font-size:13px;color:var(--ink-dim);margin-top:3px;font-family:var(--font-sans)}
.goal:hover{border-color:var(--ink-dim)}
.goal[aria-pressed=true]{border-color:var(--surge);background:color-mix(in srgb,var(--surge) 8%,transparent)}
.packrow{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-bottom:12px}
@media(max-width:560px){.packrow{grid-template-columns:1fr}}
.pack{display:flex;align-items:center;gap:10px;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:11px 12px;cursor:pointer;transition:all .15s}
.pack:hover{border-color:var(--ink-dim)}
.pack[aria-pressed=true]{border-color:var(--surge);background:color-mix(in srgb,var(--surge) 10%,transparent)}
.pack .pkico{font-size:20px;line-height:1;flex-shrink:0}
.pack .pktx{display:flex;flex-direction:column}
.pack .pktx b{font-family:"JetBrains Mono",monospace;font-size:12.5px;color:var(--ink)}
.pack .pktx span{font-size:12.5px;color:var(--ink-dim);margin-top:2px}
.fuelrec{margin:16px 0;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.fuelrec .frlabel{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-faint)}
.fuelrec .frlane{font-family:"JetBrains Mono",monospace;font-size:16px;font-weight:700;color:var(--surge);margin:5px 0 6px}
.fuelrec .frwhy{font-size:13px;color:var(--ink-dim)}
.modesel{display:flex;gap:8px;margin-bottom:20px;border-bottom:1px solid var(--line);padding-bottom:18px}
.modebtn{flex:1;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:11px 13px;cursor:pointer;font-family:"JetBrains Mono",monospace;font-size:13px;font-weight:600;color:var(--ink);transition:all .15s}
.modebtn span{display:block;font-weight:400;font-size:13px;color:var(--ink-dim);margin-top:3px;font-family:var(--font-sans)}
.modebtn:hover{border-color:var(--ink-dim)}
.modebtn[aria-pressed=true]{border-color:var(--run);background:color-mix(in srgb,var(--run) 8%,transparent)}
.sticky{position:sticky;top:84px}
.readout{display:flex;gap:10px;margin-bottom:18px}
.ro{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px}
.ro .k{font-family:"JetBrains Mono",monospace;font-size:11.5px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-dim)}
.ro .v{font-family:"JetBrains Mono",monospace;font-size:23px;font-weight:700;color:var(--ink);margin-top:4px}
.ro.peak .v{color:var(--surge)}
.ro .u{font-size:13px;color:var(--ink-dim)}
.gauge{position:relative;height:150px;border-radius:8px;background:var(--gauge-bg);border:1px solid var(--grid);overflow:hidden;margin-bottom:14px}
.gl{position:absolute;left:0;right:0;height:1px;background:var(--grid)}
.bars{position:absolute;inset:0;display:flex;align-items:flex-end;gap:3px;padding:12px 12px 0}
.barwrap{flex:1;display:flex;flex-direction:column;justify-content:flex-end;height:100%}
.bar-run{background:var(--run);border-radius:2px 2px 0 0;transition:height .8s cubic-bezier(.2,.8,.2,1)}
.bar-surge{background:linear-gradient(180deg,var(--surge-hot),var(--surge));border-radius:2px 2px 0 0;transition:height .5s cubic-bezier(.3,1.4,.5,1)}
.insight{padding:13px 15px;border-left:2px solid var(--surge);background:color-mix(in srgb,var(--surge) 5%,transparent);border-radius:0 8px 8px 0;font-size:13.5px;color:var(--ink-dim);margin-bottom:16px}
.insight b{color:var(--ink);font-family:"JetBrains Mono",monospace;font-weight:600}
.warn{padding:11px 14px;border-radius:8px;background:color-mix(in srgb,var(--surge-hot) 9%,transparent);border:1px solid color-mix(in srgb,var(--surge-hot) 30%,transparent);font-size:13px;color:var(--ink);margin-bottom:16px}
.recs h3{font-size:13px;color:var(--ink-faint);letter-spacing:.5px;text-transform:uppercase;margin-bottom:6px}
.rec{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 0;border-top:1px solid var(--line);text-decoration:none;color:inherit}
.rec .tier{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:1px;text-transform:uppercase;color:var(--surge);width:60px;flex:none}
.rec .info{flex:1}.rec .nm{font-size:14px;color:var(--ink);font-weight:600}.rec .nt{font-size:12px;color:var(--ink-dim)}
.rec .pr{font-family:"JetBrains Mono",monospace;font-size:14px;color:var(--ink);white-space:nowrap}.rec .pr.quote{color:var(--run)}
.rec:hover .nm{color:var(--surge)}
.disc{font-size:12.5px;color:var(--ink-dim);margin-top:16px;line-height:1.6}

/* breadcrumb */
.crumb{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--ink-faint);padding-top:26px}
.crumb a{color:var(--ink-dim);text-decoration:none}.crumb a:hover{color:var(--ink)}

/* table */
.tbl{width:100%;border-collapse:collapse;margin-top:20px;font-size:15.5px}
.tbl th,.tbl td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
.tbl th{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-dim)}
.tbl td{color:var(--ink-dim)}.tbl td.mono{font-family:"JetBrains Mono",monospace;color:var(--ink)}
.tbl tr:hover td{background:var(--panel-2)}

/* faq */
.faq{margin-top:22px}
.faq details{border-top:1px solid var(--line);padding:14px 0}
.faq summary{font-family:var(--font-sans);font-weight:600;font-size:16px;color:var(--ink);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--surge);font-size:18px}
.faq details[open] summary::after{content:"\2212"}
.faq p{color:var(--ink-dim);margin-top:10px;max-width:64ch;font-size:16px;line-height:1.6}

/* related */
.related{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.related a{font-family:var(--font-sans);font-size:14.5px;font-weight:560;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:9px 13px;transition:all .15s;background:var(--panel-2)}
.related a:hover{border-color:var(--surge);color:var(--surge);background:color-mix(in srgb,var(--surge) 7%,transparent)}
.srcs{margin:14px 0 0 18px;color:var(--ink-dim);max-width:64ch;font-size:13.5px}
.srcs li{margin-bottom:7px}
.srcs a{color:var(--ink-dim);text-decoration:underline;text-decoration-color:var(--line)}
.srcs a:hover{color:var(--surge)}
.fe-tabs{display:flex;gap:6px;margin-bottom:14px}
.fe-tab{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:9px;cursor:pointer;font-family:var(--font-sans);font-weight:550;font-size:14px;color:var(--ink-dim);transition:all .15s}
.fe-tab:hover{border-color:var(--ink-dim)}
.fe-tab[aria-pressed=true]{border-color:var(--surge);background:color-mix(in srgb,var(--surge) 8%,transparent);color:var(--ink)}
.fe-controls{display:flex;flex-direction:column;gap:12px;margin-bottom:14px}
.fe-slider{display:block;font-size:12.5px;color:var(--ink-dim)}
.fe-slider span{font-family:"JetBrains Mono",monospace;display:block;margin-bottom:6px}
.fe-slider b{color:var(--surge)}
.fe-slider input[type=range]{width:100%;accent-color:var(--surge)}
.fe-grid{display:flex;gap:8px}
.fe-stat{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:11px}
.fe-stat.peak{border-color:color-mix(in srgb,var(--surge) 40%,var(--line))}
.fe-stat .fe-k{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:.5px;text-transform:uppercase;color:var(--ink-faint)}
.fe-stat .fe-v{font-family:"JetBrains Mono",monospace;font-size:20px;font-weight:700;color:var(--ink);margin-top:3px}
.fe-stat.peak .fe-v{color:var(--surge)}
.fe-stat .fe-v span{font-size:11px;color:var(--ink-dim);font-weight:400;display:block}

/* footer */
footer{border-top:1px solid var(--line);padding:40px 0 54px;margin-top:40px}
.foot{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:24px}
.foot .col h4{font-family:"JetBrains Mono",monospace;font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-faint);margin-bottom:12px}
.foot .col a{display:block;color:var(--ink-dim);text-decoration:none;font-size:15px;margin-bottom:8px}
.foot .col a:hover{color:var(--ink)}
.byline{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--ink-faint);margin-top:28px}
section.block{padding:64px 0}
.hero{padding:64px 0 36px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
@media(max-width:880px){.hero-grid{grid-template-columns:1fr;gap:32px}.hero{padding:44px 0 28px}}
.hero-copy h1{margin-bottom:4px}

/* live surge demo */
.hero-demo{background:var(--panel-2);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.hd-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.hd-title{font-family:var(--font-mono);font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--ink-faint)}
.hd-hint{font-size:12px;color:var(--surge);font-weight:600}
.hd-chips{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:18px}
.hd-chip{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:7px 12px;font-size:13.5px;font-weight:550;color:var(--ink-dim);cursor:pointer;transition:all .15s;font-family:var(--font-sans)}
.hd-chip:hover{border-color:var(--ink-dim);color:var(--ink)}
.hd-chip[aria-pressed=true]{border-color:var(--run);background:color-mix(in srgb,var(--run) 12%,transparent);color:var(--ink)}
.hd-chip[data-motor=true][aria-pressed=true]{border-color:var(--surge);background:color-mix(in srgb,var(--surge) 12%,transparent)}
.hd-gauge{height:120px;background:var(--gauge-bg);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:14px;position:relative;overflow:hidden}
.hd-bars{display:flex;align-items:flex-end;justify-content:center;gap:10px;height:100%}
.hd-bar{position:relative;width:34px;height:100%;display:flex;flex-direction:column;justify-content:flex-end}
.hd-bar .hd-run{display:block;width:100%;background:var(--run);border-radius:4px 4px 0 0;transition:height .4s cubic-bezier(.3,1.1,.5,1)}
.hd-bar .hd-surge{display:block;width:100%;background:var(--surge);border-radius:4px 4px 0 0;margin-bottom:2px;transition:height .4s cubic-bezier(.3,1.1,.5,1);animation:surgePulse 1.6s ease-in-out infinite}
@keyframes surgePulse{0%,100%{opacity:1}50%{opacity:.62}}
.hd-readout{display:flex;gap:10px;margin-bottom:12px}
.hd-stat{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.hd-stat.surge{border-color:color-mix(in srgb,var(--surge) 45%,var(--line))}
.hd-k{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-faint)}
.hd-v{font-family:var(--font-mono);font-size:24px;font-weight:700;color:var(--ink);margin-top:2px;display:block}
.hd-v i{font-size:13px;font-style:normal;color:var(--ink-dim);margin-left:1px}
.hd-stat.surge .hd-v{color:var(--surge)}
.hd-msg{font-size:13.5px;color:var(--ink-dim);line-height:1.5;min-height:40px}
.hd-msg b{color:var(--ink);font-weight:600}
@media(prefers-reduced-motion:reduce){.hd-bar .hd-surge{animation:none}.hd-bar .hd-run,.hd-bar .hd-surge{transition:none}}
/* subtle scroll reveal */
/* ===== method explainer (trust signal) ===== */
.bar-run.dropped{background:var(--line);opacity:.55;border:1px dashed var(--ink-faint)}
.hvac-hint{display:block;margin-top:8px;font-size:13px;color:var(--run);line-height:1.5}
.hvac-hint i{font-style:italic}
.method-note{display:flex;gap:10px;align-items:flex-start;margin:14px 0 4px;padding:11px 13px;border:1px solid color-mix(in srgb,var(--run) 30%,var(--line));border-radius:10px;background:color-mix(in srgb,var(--run) 5%,transparent);font-size:13px;line-height:1.5;color:var(--ink-dim)}
.method-note b{color:var(--ink);font-weight:640}
.method-check{flex:none;width:18px;height:18px;border-radius:50%;background:var(--run);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;margin-top:1px}
/* ===== smart load-shedding panel ===== */
.shed-panel{margin-top:18px;padding:18px;border:1px solid color-mix(in srgb,var(--run) 35%,var(--line));border-radius:14px;background:color-mix(in srgb,var(--run) 6%,transparent)}
.shed-h{font-family:var(--font-sans);font-weight:680;font-size:16px;color:var(--ink);display:flex;align-items:center;gap:8px;margin-bottom:14px}
.shed-icon{color:var(--surge)}
.shed-compare{display:flex;align-items:center;gap:12px;justify-content:center;flex-wrap:wrap}
.shed-col{flex:1;min-width:130px;text-align:center;padding:12px;border:1px solid var(--line);border-radius:11px;background:var(--panel)}
.shed-col.managed{border-color:var(--run);background:color-mix(in srgb,var(--run) 9%,transparent)}
.shed-k{font-family:var(--font-mono);font-size:11px;letter-spacing:.5px;text-transform:uppercase;color:var(--ink-dim)}
.shed-v{font-family:var(--font-mono);font-size:26px;font-weight:700;color:var(--ink);margin-top:4px;line-height:1}
.shed-col.managed .shed-v{color:var(--run)}
.shed-v span{font-size:14px;color:var(--ink-dim);margin-left:1px}
.shed-note{font-size:12px;color:var(--ink-dim);margin-top:5px}
.shed-col.managed .shed-note{color:var(--run);font-weight:600}
.shed-arrow{font-size:22px;color:var(--ink-faint)}
.shed-why{font-size:14.5px;line-height:1.55;color:var(--ink-dim);margin:14px 0 0}
.shed-why b{color:var(--ink)}
.shed-trade{font-size:13.5px;line-height:1.55;color:var(--ink-dim);margin:10px 0 0;padding:10px 13px;background:var(--panel-2);border-radius:9px;border:1px solid var(--line)}
.shed-trade b{color:var(--ink)}
/* ===== NEMA connector guide ===== */
#nemaTool{max-width:820px;margin:0 auto}
.nema-warn{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;border:1px solid var(--danger);background:color-mix(in srgb,var(--danger) 8%,transparent);font-size:14.5px;line-height:1.5;color:var(--ink)}
.nema-warn-icon{font-size:22px;color:var(--danger);flex:none;line-height:1.2}
.nema-warn b{color:var(--danger)}
.nm-diagram{display:flex;justify-content:center;padding:8px 0 4px}
.nm-svg{width:180px;height:180px}
.nm-body{fill:var(--panel-2);stroke:var(--ink-faint);stroke-width:2}
.nm-body-inner{fill:none;stroke:var(--line);stroke-width:1.5}
.nm-blade{stroke:var(--ink);stroke-width:1}
.nm-blade.hot{fill:var(--surge)}
.nm-blade.neutral{fill:#9aa4ab}
.nm-blade.ground{fill:var(--run)}
.nm-bladelbl{font-family:var(--font-mono);font-size:13px;font-weight:700;fill:var(--ink)}
.nm-amp{font-family:var(--font-mono);font-size:12px;fill:var(--ink-dim)}
.nm-pick{text-align:center;margin-top:4px}
.nm-pick-name{font-family:var(--font-mono);font-weight:700;font-size:22px;color:var(--ink)}
.nm-pick-desc{font-size:13.5px;color:var(--ink-dim);margin-top:3px}
.nm-legend{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin:14px 0;font-size:12.5px;color:var(--ink-dim)}
.nm-legend span{display:inline-flex;align-items:center;gap:6px}
.nm-legend .lg{width:11px;height:11px;border-radius:3px;display:inline-block}
.nm-legend .lg.hot{background:var(--surge)}
.nm-legend .lg.neutral{background:#9aa4ab}
.nm-legend .lg.ground{background:var(--run)}
.nm-block{margin-top:14px;padding:14px 16px;border:1px solid var(--line);border-radius:11px;background:var(--panel)}
.nm-block.warn{border-color:var(--surge);background:color-mix(in srgb,var(--surge) 7%,transparent)}
.nm-block-h{font-family:var(--font-mono);font-size:12px;letter-spacing:.5px;text-transform:uppercase;color:var(--ink-dim);margin-bottom:8px}
.nm-block p{font-size:14.5px;line-height:1.55;color:var(--ink-dim);margin:0}
.nm-block b{color:var(--ink)}
.nm-list{margin:0;padding-left:18px;font-size:14.5px;line-height:1.7;color:var(--ink)}
.nm-list b{font-weight:640}
/* ===== generator TCO ===== */
.tco-bars{display:flex;flex-direction:column;gap:11px;margin:4px 0 6px}
.tco-bar-l{display:flex;justify-content:space-between;align-items:baseline;font-size:13.5px;color:var(--ink-dim);margin-bottom:5px}
.tco-bar-l b{font-family:var(--font-mono);color:var(--ink);font-size:14px}
.tco-bar-track{height:9px;border-radius:5px;background:var(--line);overflow:hidden}
.tco-bar-fill{height:100%;border-radius:5px;transition:width .4s cubic-bezier(.3,1,.5,1)}
/* ===== extension cord calculator ===== */
.cord-modes{display:flex;gap:10px}
.cord-verdict{text-align:center;padding:20px;border-radius:14px;border:1px solid var(--line);background:var(--panel)}
.cord-verdict.ok{border-color:var(--run);background:color-mix(in srgb,var(--run) 8%,transparent)}
.cord-verdict.over{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,transparent)}
.cord-verdict.muted{color:var(--ink-dim)}
.cv-big{font-family:var(--font-mono);font-weight:700;font-size:clamp(30px,6vw,44px);line-height:1.05;color:var(--ink)}
.cord-verdict.ok .cv-big{color:var(--run)}
.cord-verdict.over .cv-big{color:var(--danger)}
.cv-unit{font-size:.42em;color:var(--ink-dim);font-weight:600}
.cv-small{font-size:14px;color:var(--ink-dim);margin-top:8px;line-height:1.45}
.cord-detail{margin-top:16px}
.cord-stat{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-dim)}
.cord-stat b{font-family:var(--font-mono);color:var(--ink)}
.cord-bars{margin-top:16px;display:flex;flex-direction:column;gap:5px}
.cord-gbar{display:flex;justify-content:space-between;align-items:center;padding:7px 12px;border-radius:8px;background:var(--panel);border:1px solid var(--line);font-size:13.5px;color:var(--ink-dim)}
.cord-gbar.ok{border-color:color-mix(in srgb,var(--run) 40%,var(--line));background:color-mix(in srgb,var(--run) 7%,transparent);color:var(--ink)}
.cord-gbar .cgname{font-family:var(--font-mono);font-weight:600}
.cord-gbar .cgstate{font-family:var(--font-mono);font-size:13px}
.cord-gbar.ok .cgstate{color:var(--run)}
.cord-gbar:not(.ok) .cgstate{color:var(--ink-faint)}
/* ===== blackout runway ===== */
#runwayTool{max-width:780px;margin:0 auto}
.rw-clockcard{text-align:center;background:var(--panel-2);border:1px solid var(--line);border-radius:18px;padding:28px 24px;transition:border-color .3s,box-shadow .3s}
#runwayTool.rw-low .rw-clockcard{border-color:#e0a423}
#runwayTool.rw-over .rw-clockcard{border-color:var(--surge);box-shadow:0 0 0 3px color-mix(in srgb,var(--surge) 16%,transparent)}
.rw-clock-label{font-family:var(--font-mono);font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--ink-dim);margin-bottom:10px}
.rw-clock{font-family:var(--font-mono);font-weight:700;font-size:clamp(44px,9vw,76px);line-height:1;color:var(--run);letter-spacing:-1px;transition:color .3s}
.rw-clock i{font-size:.45em;font-style:normal;color:var(--ink-dim);margin:0 .12em 0 .03em;font-weight:600}
#runwayTool.rw-low .rw-clock{color:#e0a423}
#runwayTool.rw-over .rw-clock{color:var(--surge)}
.rw-clock-sub{font-size:14.5px;color:var(--ink-dim);margin-top:12px;line-height:1.5;min-height:22px}
.rw-clock-sub b{color:var(--ink);font-weight:640}
.rw-fuelbar{height:8px;border-radius:5px;background:var(--line);margin-top:16px;overflow:hidden}
.rw-fuelfill{height:100%;border-radius:5px;background:var(--run);transition:width .5s cubic-bezier(.3,1,.5,1),background .3s}
#runwayTool.rw-low .rw-fuelfill{background:#e0a423}
#runwayTool.rw-over .rw-fuelfill{background:var(--surge)}
.rw-alert{margin-top:14px;padding:12px 16px;border-radius:11px;font-size:14.5px;line-height:1.5;text-align:left}
.rw-alert.warn{border:1px solid #e0a423;background:color-mix(in srgb,#e0a423 10%,transparent);color:var(--ink)}
.rw-alert.over{border:1px solid var(--surge);background:color-mix(in srgb,var(--surge) 11%,transparent);color:var(--ink)}
.rw-alert b{color:var(--ink);font-weight:660}
.rw-ac-tag,.rw-ac-tag{color:var(--surge);margin-left:6px;font-size:11px}
.usnote{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13px;color:var(--ink-dim);background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:7px 12px;line-height:1.4}
/* ===== smart monitor importer ===== */
#monitorTool{max-width:760px;margin:0 auto}
.mon-intro{text-align:left}
.mon-privacy{font-size:13px;color:var(--run);background:color-mix(in srgb,var(--run) 8%,transparent);border:1px solid color-mix(in srgb,var(--run) 30%,var(--line));border-radius:9px;padding:9px 13px;margin:14px 0 18px}
.mon-drop{display:flex;flex-direction:column;align-items:center;gap:5px;text-align:center;border:2px dashed var(--line);border-radius:14px;padding:32px 20px;cursor:pointer;transition:border-color .15s,background .15s;background:var(--panel)}
.mon-drop:hover,.mon-drop.drag{border-color:var(--surge);background:color-mix(in srgb,var(--surge) 5%,transparent)}
.mon-drop-icon{font-size:30px}
.mon-drop-main{font-family:var(--font-sans);font-weight:680;font-size:17px;color:var(--ink)}
.mon-drop-sub{font-size:13.5px;color:var(--ink-dim)}
.mon-samples{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px;font-size:13.5px;color:var(--ink-dim)}
.mon-sample{font-family:var(--font-sans);font-size:13px;font-weight:600;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:6px 12px;cursor:pointer;transition:all .15s}
.mon-sample:hover{border-color:var(--surge);color:var(--surge)}
.mon-err{margin-top:14px;padding:11px 14px;border-radius:10px;font-size:14px;background:color-mix(in srgb,var(--surge) 11%,transparent);border:1px solid var(--surge);color:var(--ink)}
.mon-scan{margin-top:18px}
.mon-scan-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;flex-wrap:wrap;gap:8px}
.mon-badge{font-family:var(--font-sans);font-weight:680;font-size:15px;color:var(--ink);background:color-mix(in srgb,var(--run) 14%,transparent);border:1px solid color-mix(in srgb,var(--run) 40%,var(--line));border-radius:8px;padding:5px 12px}
.mon-scan-sub{font-family:var(--font-mono);font-size:12px;color:var(--ink-dim)}
.mon-headline{font-size:16px;line-height:1.55;color:var(--ink-dim);margin:0}
.mon-headline b{color:var(--ink);font-weight:640}
.mon-flag{font-size:13.5px;color:var(--ink-dim);background:var(--panel-2);border:1px solid var(--line);border-radius:9px;padding:9px 13px;margin-top:12px}
.mon-recs{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.mon-rec{flex:1;min-width:200px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:15px}
.mon-rec.primary{border-color:var(--surge);background:color-mix(in srgb,var(--surge) 6%,transparent)}
.mon-rec-k{font-family:var(--font-mono);font-size:11px;letter-spacing:.5px;text-transform:uppercase;color:var(--ink-dim)}
.mon-rec-v{font-family:var(--font-mono);font-size:30px;font-weight:700;color:var(--ink);margin-top:4px;line-height:1}
.mon-rec.primary .mon-rec-v{color:var(--surge)}
.mon-rec-v span{font-size:15px;color:var(--ink-dim);margin-left:1px}
.mon-rec-note{font-size:12.5px;color:var(--ink-dim);margin-top:6px;line-height:1.4}
.mon-whatif{margin-top:18px;background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--run);border-radius:9px;padding:14px 16px}
.mon-whatif-h{font-family:var(--font-mono);font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--run);margin-bottom:5px}
.mon-whatif p{font-size:14.5px;color:var(--ink-dim);margin:0;line-height:1.55}
.mon-whatif b{color:var(--ink)}
.mon-honest{margin-top:18px;font-size:13px;line-height:1.55;color:var(--ink-dim);background:var(--panel);border:1px dashed var(--line);border-radius:9px;padding:12px 14px}
.mon-honest b{color:var(--ink)}
.mon-help{margin-top:18px}
/* ===== breaker-box simulator ===== */
#breakerSim{max-width:760px;margin:0 auto}
.bk-top{background:var(--panel-2);border:1px solid var(--line);border-radius:18px;padding:24px;text-align:center;transition:border-color .3s,box-shadow .3s}
#breakerSim.bk-warn .bk-top{border-color:#e0a423}
#breakerSim.bk-over .bk-top{border-color:var(--surge);box-shadow:0 0 0 3px color-mix(in srgb,var(--surge) 18%,transparent)}
.bk-genrow{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.bk-genlabel{font-family:var(--font-mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-dim)}
.bk-gensel,.bk-custom{font-family:var(--font-sans);font-size:15px;font-weight:550;padding:9px 12px;border:1px solid var(--line);border-radius:9px;background:var(--panel);color:var(--ink)}
.bk-custom{width:110px}
.bk-gauge-wrap{position:relative;display:inline-block;margin:6px auto 0}
.bk-gauge{width:320px;max-width:100%;height:auto;display:block}
.bk-zone{opacity:.32;transition:opacity .3s}
#breakerSim.bk-warn .bk-zone{opacity:.5}
#breakerSim.bk-over .bk-zone{opacity:.62}
#bkNeedle{transition:transform .45s cubic-bezier(.34,1.3,.5,1);transform-origin:160px 160px}
.bk-breaker{position:absolute;right:6px;top:8px;display:flex;flex-direction:column;align-items:center;gap:4px}
.bk-switch{width:30px;height:46px;border:1px solid var(--line);border-radius:6px;background:var(--panel);position:relative;transition:background .2s}
.bk-switch span{position:absolute;left:4px;right:4px;height:18px;border-radius:3px;background:var(--run);top:4px;transition:top .18s cubic-bezier(.5,1.6,.5,1),background .2s}
.bk-switch.tripped{background:color-mix(in srgb,var(--surge) 14%,transparent)}
.bk-switch.tripped span{top:auto;bottom:4px;background:var(--surge)}
.bk-breaker-label{font-family:var(--font-mono);font-size:8.5px;letter-spacing:1px;color:var(--ink-faint)}
.bk-readouts{display:flex;gap:10px;margin-top:18px}
.bk-ro{flex:1;background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:11px 8px}
.bk-ro.surge{border-color:color-mix(in srgb,var(--surge) 35%,var(--line))}
.bk-k{display:block;font-family:var(--font-mono);font-size:10.5px;letter-spacing:.5px;text-transform:uppercase;color:var(--ink-dim)}
.bk-v{font-family:var(--font-mono);font-size:21px;font-weight:700;color:var(--ink);display:block;margin-top:3px}
.bk-v i{font-size:12px;font-style:normal;color:var(--ink-dim);margin-left:1px}
.bk-ro.surge .bk-v{color:var(--surge)}
.bk-alert{margin-top:16px;padding:12px 16px;border-radius:11px;font-size:14.5px;line-height:1.5;background:var(--panel);border:1px solid var(--line);color:var(--ink-dim);text-align:left}
.bk-alert.ok{border-color:color-mix(in srgb,var(--run) 40%,var(--line));background:color-mix(in srgb,var(--run) 8%,transparent);color:var(--ink)}
.bk-alert.warn{border-color:#e0a423;background:color-mix(in srgb,#e0a423 10%,transparent);color:var(--ink)}
.bk-alert.over{border-color:var(--surge);background:color-mix(in srgb,var(--surge) 11%,transparent);color:var(--ink)}
.bk-alert b{color:var(--ink);font-weight:660}
.bk-panel{margin-top:22px;background:var(--panel-2);border:1px solid var(--line);border-radius:16px;padding:20px}
.bk-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.bk-reset{font-family:var(--font-sans);font-size:13px;font-weight:600;color:var(--ink-dim);background:transparent;border:1px solid var(--line);border-radius:8px;padding:6px 12px;cursor:pointer;transition:all .15s}
.bk-reset:hover{border-color:var(--surge);color:var(--surge)}
.bk-cat{margin-top:16px}
.bk-catname{font-family:var(--font-mono);font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--ink-dim);margin-bottom:9px}
.bk-switches{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media(max-width:560px){.bk-switches{grid-template-columns:1fr}.bk-readouts{flex-wrap:wrap}}
.bk-app{display:flex;align-items:center;gap:11px;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:11px 13px;cursor:pointer;transition:border-color .15s,background .15s;font-family:var(--font-sans)}
.bk-app:hover{border-color:var(--ink-dim)}
.bk-app.on{border-color:var(--run);background:color-mix(in srgb,var(--run) 8%,transparent)}
.bk-toggle{flex:none;width:38px;height:22px;border-radius:12px;background:var(--line);position:relative;transition:background .2s}
.bk-toggle::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.25);transition:transform .2s}
.bk-app.on .bk-toggle{background:var(--run)}
.bk-app.on .bk-toggle::after{transform:translateX(16px)}
.bk-app-txt{display:flex;flex-direction:column;line-height:1.25}
.bk-app-txt b{font-size:14px;font-weight:580;color:var(--ink)}
.bk-app-w{font-family:var(--font-mono);font-size:11.5px;color:var(--ink-dim);margin-top:2px}
.bk-surge-tag{color:var(--surge);margin-left:6px}
.xlink{display:block;margin-top:14px;padding:14px 16px;border:1px solid color-mix(in srgb,var(--run) 40%,var(--line));border-radius:11px;background:color-mix(in srgb,var(--run) 7%,transparent);text-decoration:none;transition:border-color .15s,background .15s,transform .1s}
.xlink:hover{border-color:var(--run);background:color-mix(in srgb,var(--run) 12%,transparent);transform:translateY(-1px)}
.xlink .xk{display:block;font-family:var(--font-sans);font-weight:660;font-size:14px;color:var(--ink);margin-bottom:3px}
.xlink .xv{display:block;font-size:13.5px;color:var(--ink-dim);line-height:1.5}
.xlink:hover .xv{color:var(--ink)}
.pdf-btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-sans);font-size:14.5px;font-weight:600;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:10px 15px;cursor:pointer;margin-bottom:16px;transition:border-color .15s,background .15s,transform .1s;width:100%;justify-content:center}
.pdf-btn:hover{border-color:var(--surge);color:var(--surge);background:color-mix(in srgb,var(--surge) 7%,transparent)}
.pdf-btn:active{transform:translateY(1px)}
.pdf-btn span{font-size:15px;line-height:1}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}
.hd{padding:8px 0 4px}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}