:root{
    --bg:#0c0f10; --panel:#14191b; --panel2:#1a2123;
    --line:#26302f; --ink:#e9efec; --dim:#7f908b; --faint:#56615e;
    --ok:#39d98a; --caution:#f5b13d; --curtail:#ff5a52; --accent:#39d98a;
    --shadow:0 1px 0 rgba(255,255,255,.03), 0 12px 30px -12px rgba(0,0,0,.7);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html,body{background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans",sans-serif;-webkit-font-smoothing:antialiased}
  body{
    min-height:100vh;
    background-image:
      linear-gradient(rgba(57,217,138,.025) 1px,transparent 1px),
      linear-gradient(90deg,rgba(57,217,138,.025) 1px,transparent 1px),
      radial-gradient(120% 90% at 50% -10%, rgba(57,217,138,.08), transparent 55%);
    background-size:34px 34px, 34px 34px, 100% 100%;
  }
  .wrap{max-width:560px;margin:0 auto;padding:20px 16px 48px}

  header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:6px 2px 18px;border-bottom:1px solid var(--line)}
  .brand{display:flex;flex-direction:column;gap:3px}
  .brand h1{font-size:17px;letter-spacing:.04em;font-weight:600}
  .brand .sub{font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
  .live{display:flex;align-items:center;gap:6px;font-family:"IBM Plex Mono";font-size:10px;letter-spacing:.12em;color:var(--dim);text-transform:uppercase;white-space:nowrap}
  .live .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(57,217,138,.6);animation:pulse 2.4s infinite}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(57,217,138,.5)}70%{box-shadow:0 0 0 8px rgba(57,217,138,0)}100%{box-shadow:0 0 0 0 rgba(57,217,138,0)}}

  .ctl{display:flex;gap:10px;margin:16px 0 14px}
  select{
    flex:1;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:10px;
    padding:11px 12px;font-family:"IBM Plex Mono";font-size:13px;letter-spacing:.02em;
    appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237f908b' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat:no-repeat;background-position:right 12px center;
  }

  .hero{
    position:relative;background:var(--panel);border:1px solid var(--line);border-radius:16px;
    padding:22px 20px 18px;box-shadow:var(--shadow);overflow:hidden;
  }
  .hero::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--accent);transition:background .4s}
  .hero .label{font-family:"IBM Plex Mono";font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}
  .price{display:flex;align-items:flex-end;gap:8px;margin-top:8px}
  .price .num{font-family:"IBM Plex Mono";font-weight:600;font-size:62px;line-height:.92;letter-spacing:-.02em;transition:color .4s}
  .price .unit{font-family:"IBM Plex Mono";font-size:14px;color:var(--dim);padding-bottom:8px}
  .secondary{margin-top:10px;display:flex;gap:18px;flex-wrap:wrap}
  .secondary div{font-family:"IBM Plex Mono";font-size:12.5px;color:var(--dim)}
  .secondary b{color:var(--ink);font-weight:600}

  .stack{display:flex;align-items:center;gap:14px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
  .lights{display:flex;gap:7px}
  .lights span{width:13px;height:13px;border-radius:50%;background:#222b29;border:1px solid #2c3633;transition:all .3s}
  .lights span.on.g{background:var(--ok);box-shadow:0 0 12px var(--ok)}
  .lights span.on.a{background:var(--caution);box-shadow:0 0 12px var(--caution)}
  .lights span.on.r{background:var(--curtail);box-shadow:0 0 12px var(--curtail)}
  .verdict{font-weight:600;font-size:15px}
  .verdict small{display:block;font-weight:400;font-size:11.5px;color:var(--dim);margin-top:2px;font-family:"IBM Plex Mono"}

  .spark{margin-top:16px}
  .spark .cap{display:flex;justify-content:space-between;font-family:"IBM Plex Mono";font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:6px}
  svg.sl{width:100%;height:54px;display:block}

  .panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px 18px 20px;margin-top:14px;box-shadow:var(--shadow)}
  .panel h2{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);font-family:"IBM Plex Mono";font-weight:500;margin-bottom:14px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:12px;color:var(--dim);margin-bottom:6px}
  .row{display:flex;align-items:center;gap:10px}
  input[type=number]{
    width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:10px;color:var(--ink);
    padding:11px 12px;font-family:"IBM Plex Mono";font-size:16px;
  }
  input[type=range]{width:100%;accent-color:var(--accent)}
  .runcost{display:flex;align-items:baseline;gap:8px;margin-top:4px}
  .runcost .big{font-family:"IBM Plex Mono";font-weight:600;font-size:34px;color:var(--accent)}
  .runcost .u{font-family:"IBM Plex Mono";font-size:12px;color:var(--dim)}
  .thresh-val{font-family:"IBM Plex Mono";color:var(--ink);font-weight:600}
  .note{font-size:11.5px;color:var(--faint);line-height:1.5;margin-top:8px}

  footer{margin-top:22px;padding:0 4px;font-size:11px;color:var(--faint);line-height:1.65}
  footer a{color:var(--dim)}
  .tag{font-family:"IBM Plex Mono";font-size:9.5px;letter-spacing:.1em}

  .areabar{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:16px 0 14px;
    background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:11px 14px}
  .areabar .who{font-size:13.5px;font-weight:600}
  .areabar .who small{display:block;color:var(--dim);font-size:11px;margin-top:2px;font-weight:400}
  .areabar button{background:none;border:1px solid var(--line);color:var(--accent);border-radius:8px;
    padding:7px 12px;font-size:12px;font-family:"IBM Plex Mono";letter-spacing:.04em;cursor:pointer;white-space:nowrap}

  .ov{position:fixed;inset:0;background:rgba(6,8,8,.86);backdrop-filter:blur(4px);z-index:50;
    display:none;align-items:flex-end;justify-content:center}
  .ov.show{display:flex}
  .sheet{background:var(--panel);border:1px solid var(--line);border-radius:18px 18px 0 0;
    width:100%;max-width:560px;max-height:92vh;overflow-y:auto;padding:22px 18px 30px;
    box-shadow:0 -20px 50px -20px rgba(0,0,0,.8)}
  @media(min-width:600px){.ov{align-items:center}.sheet{border-radius:18px}}
  .sheet h3{font-size:18px;margin-bottom:6px}
  .sheet .lead{color:var(--dim);font-size:13.5px;line-height:1.55;margin-bottom:16px}
  .sheet .lead b{color:var(--ink)}
  .explain{display:grid;gap:8px;margin-bottom:20px}
  .ec{display:flex;gap:11px;align-items:flex-start;background:var(--panel2);border:1px solid var(--line);
    border-radius:12px;padding:11px 13px}
  .ec .ic{font-size:13px;flex:none;width:16px;text-align:center;line-height:1.45}
  .ec .ic.g{color:var(--ok)} .ec .ic.a{color:var(--caution)} .ec .ic.r{color:var(--curtail)}
  .ec p{font-size:12.5px;line-height:1.5}
  .ec p b{font-family:"IBM Plex Mono"}
  .qlabel{font-size:13.5px;font-weight:600;margin:4px 0 10px}
  .qlabel span{font-weight:400;color:var(--dim);font-size:11.5px}
  .utils{display:grid;gap:8px;margin-bottom:14px}
  .utils button{text-align:left;background:var(--panel2);border:1px solid var(--line);color:var(--ink);
    border-radius:10px;padding:12px 13px;cursor:pointer;font-size:13.5px;font-family:inherit;transition:border-color .15s}
  .utils button:hover{border-color:var(--accent)}
  .utils button b{font-family:"IBM Plex Mono"} .utils button small{display:block;color:var(--dim);font-size:11.5px;margin-top:2px}
  .adv{border-top:1px solid var(--line);padding-top:14px;margin-top:4px}
  .adv summary{cursor:pointer;color:var(--dim);font-size:12.5px;font-family:"IBM Plex Mono"}
  .adv .note{margin:12px 0 8px;font-size:12px;color:var(--dim)}
  .noterco{background:rgba(245,177,61,.08);border:1px solid rgba(245,177,61,.3);border-radius:10px;
    padding:11px 13px;font-size:12px;line-height:1.5;margin-top:6px}
  .noterco b{font-family:"IBM Plex Mono"}

  .modeswitch{display:flex;margin:14px 0 2px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}
  .modeswitch a{flex:1;text-align:center;padding:10px 8px;font-family:"IBM Plex Mono";font-size:12px;letter-spacing:.05em;color:var(--dim);text-decoration:none;text-transform:uppercase}
  .modeswitch a.active{background:var(--accent);color:#0c0f10;font-weight:600}
  .modeintro{font-size:12.5px;color:var(--dim);line-height:1.55;margin:10px 2px 4px}

  details.panel > summary.rsum{cursor:pointer;font-size:13px;letter-spacing:.02em;color:var(--ink);font-weight:600;list-style:none;outline:none}
  details.panel > summary.rsum::-webkit-details-marker{display:none}
  details.panel > summary.rsum::before{content:"+ ";font-family:"IBM Plex Mono";color:var(--accent)}
  details.panel[open] > summary.rsum::before{content:"\2013 "}
  .gloss p{font-size:12.5px;line-height:1.55;color:var(--dim);margin-bottom:10px}
  .gloss p b{color:var(--ink);font-family:"IBM Plex Mono";font-weight:600}
  .panel a{color:var(--accent)}

  .estgrid{display:flex;flex-direction:column;gap:12px;margin-top:8px}
  .estrow{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink)}
  .estrow span{flex:1}
  .estrow select,.estrow input[type=number]{background:var(--card);border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:8px 10px;font:inherit;font-size:13px;min-width:130px}
  .estrow input[type=range]{flex:1;max-width:200px;accent-color:var(--accent)}
  .esttoggles{display:flex;flex-wrap:wrap;gap:9px 18px}
  .esttoggles label{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--dim);cursor:pointer}
  .esttoggles input{accent-color:var(--accent);width:16px;height:16px}
  .estout{display:flex;gap:10px;margin-top:16px}
  .estout .eo{flex:1;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 6px;text-align:center}
  .estout .eo b{display:block;font-family:"IBM Plex Mono";font-size:22px;color:var(--accent);font-weight:600;line-height:1.1}
  .estout .eo small{display:block;margin-top:5px;font-size:10.5px;color:var(--faint);line-height:1.3}
  .estcost{margin-top:16px;border-top:1px solid var(--line);padding-top:14px}

  .gridbadge{display:flex;align-items:center;gap:11px;text-decoration:none;border:1px solid var(--line);border-radius:10px;padding:9px 12px;margin:0 0 12px;background:var(--card)}
  .gridbadge .gbdot{width:9px;height:9px;border-radius:50%;background:var(--ok);flex:none}
  .gridbadge .gbtxt{flex:1;display:flex;flex-direction:column;line-height:1.25}
  .gridbadge .gbtxt b{font-size:13px;color:var(--ink);font-weight:600}
  .gridbadge .gbtxt small{font-size:11px;color:var(--dim)}
  .gridbadge .gbtime{font-family:"IBM Plex Mono";font-size:10px;color:var(--faint);text-align:right;line-height:1.35;flex:none}
  .gb-normal .gbdot{background:var(--ok)}
  .gb-tight{border-color:var(--caution)} .gb-tight .gbdot{background:var(--caution)} .gb-tight .gbtxt b{color:var(--caution)}
  .gb-eea1,.gb-eea2,.gb-eea3{border-color:var(--curtail);background:rgba(229,72,77,.09)}
  .gb-eea1 .gbdot,.gb-eea2 .gbdot,.gb-eea3 .gbdot{background:var(--curtail)}
  .gb-eea1 .gbtxt b,.gb-eea2 .gbtxt b,.gb-eea3 .gbtxt b{color:var(--curtail)}