:root{
      --bg0:#0b1020;
      --bg1:#0e1630;
      --card:rgba(255,255,255,.06);
      --card2:rgba(255,255,255,.08);
      --stroke:rgba(255,255,255,.12);
      --text:rgba(255,255,255,.92);
      --muted:rgba(255,255,255,.68);
      --muted2:rgba(255,255,255,.52);
      --good:#43fba7;
      --bad:#ff5c7a;
      --warn:#ffd166;
      --accent:#7aa2ff;
      --shadow: 0 18px 45px rgba(0,0,0,.45);
      --radius: 18px;
      --radius2: 14px;
      --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
      --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
    }

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family:var(--sans);
      color:var(--text);
      background:
        radial-gradient(1200px 600px at 10% 10%, rgba(122,162,255,.22), transparent 60%),
        radial-gradient(900px 550px at 85% 20%, rgba(67,251,167,.18), transparent 55%),
        radial-gradient(900px 700px at 50% 90%, rgba(255,92,122,.12), transparent 60%),
        linear-gradient(180deg, var(--bg0), var(--bg1));
      overflow-x:hidden;
    }

    .wrap{
      max-width:1080px;
      margin:0 auto;
      padding:28px 18px 60px;
    }

    header{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:16px;
      margin-bottom:18px;
    }

    .brand{
      display:flex;
      flex-direction:column;
      gap:8px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:10px;
      letter-spacing:.2px;
    }
    .mark{
      width:40px;height:40px;border-radius:14px;
      background: linear-gradient(135deg, rgba(122,162,255,1), rgba(67,251,167,1));
      box-shadow: 0 10px 26px rgba(122,162,255,.16);
      position:relative;
      overflow:hidden;
    }
    .mark:after{
      content:"";
      position:absolute; inset:-30%;
      background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.6), transparent 55%);
      transform: rotate(12deg);
    }

    h1{
      margin:0;
      font-size:22px;
      font-weight:760;
    }
    .sub{
      margin:0;
      color:var(--muted);
      font-size:13.5px;
      line-height:1.4;
    }

    .pillrow{
      display:flex;
      gap:8px;
      flex-wrap:wrap;
      justify-content:flex-end;
      margin-top:2px;
    }
    .pill{
      padding:8px 10px;
      border:1px solid var(--stroke);
      background: rgba(255,255,255,.05);
      color:var(--muted);
      border-radius:999px;
      font-size:12px;
      user-select:none;
    }

    .grid{
      display:grid;
      grid-template-columns: 1.12fr .88fr;
      gap:14px;
      margin-top:12px;
    }

    .card{
      background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.045));
      border:1px solid var(--stroke);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow:hidden;
    }
    .card .head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:10px;
      padding:16px 16px 12px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .card .head .title{
      display:flex;flex-direction:column;gap:4px;
    }
    .card .head h2{
      margin:0;
      font-size:15px;
      letter-spacing:.2px;
      font-weight:720;
    }
    .card .head p{
      margin:0;
      font-size:12.5px;
      color:var(--muted2);
      line-height:1.35;
    }

    .tabs{
      display:flex; gap:8px; padding:10px 16px 0;
    }
    .tab{
      border:1px solid var(--stroke);
      background: rgba(255,255,255,.04);
      color:var(--muted);
      padding:10px 12px;
      border-radius: 999px;
      font-size:12.5px;
      cursor:pointer;
      transition: .18s ease;
      display:flex;
      align-items:center;
      gap:8px;
    }
    .tab[aria-selected="true"]{
      background: rgba(122,162,255,.18);
      color: rgba(255,255,255,.9);
      border-color: rgba(122,162,255,.35);
    }
    .tab:hover{ transform: translateY(-1px); }

    .body{
      padding:14px 16px 16px;
    }

    .row{
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap:12px;
      margin-bottom:12px;
    }

    .field{
      background: rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.10);
      border-radius: var(--radius2);
      padding:12px;
    }
    .label{
      font-size:12px;
      color:var(--muted);
      margin:0 0 6px;
      display:flex;
      justify-content:space-between;
      gap:10px;
    }
    .hint{
      font-size:12px;
      color:var(--muted2);
      margin:0;
      font-family:var(--mono);
    }
    input, select{
      width:100%;
      background: rgba(0,0,0,.18);
      border:1px solid rgba(255,255,255,.12);
      color:var(--text);
      padding:12px 12px;
      border-radius: 12px;
      outline:none;
      font-size:14px;
      transition: .15s ease;
    }
    input:focus, select:focus{
      border-color: rgba(122,162,255,.55);
      box-shadow: 0 0 0 4px rgba(122,162,255,.16);
    }

    .actions{
      display:flex;
      gap:10px;
      align-items:center;
      margin-top:10px;
      flex-wrap:wrap;
    }
    button{
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      color:var(--text);
      padding:11px 12px;
      border-radius: 14px;
      cursor:pointer;
      transition: .16s ease;
      font-weight:650;
      font-size:13px;
    }
    button.primary{
      background: linear-gradient(135deg, rgba(122,162,255,.95), rgba(67,251,167,.75));
      border-color: rgba(255,255,255,.06);
      color: rgba(10,15,30,.96);
    }
    button:hover{ transform: translateY(-1px); }
    button:active{ transform: translateY(0px); }

    .note{
      font-size:12.5px;
      color:var(--muted2);
      line-height:1.45;
      margin:0;
    }

    .results{
      display:grid;
      grid-template-columns: 1fr;
      gap:10px;
    }

    .kpi{
      background: rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.10);
      border-radius: var(--radius2);
      padding:12px;
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:12px;
    }
    .kpi .left{
      display:flex;
      flex-direction:column;
      gap:5px;
      min-width:0;
    }
    .kpi .name{
      color:var(--muted);
      font-size:12px;
      margin:0;
    }
    .kpi .value{
      font-family: var(--mono);
      font-size:16px;
      font-weight:750;
      margin:0;
      letter-spacing:.2px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .kpi .meta{
      margin:0;
      color:var(--muted2);
      font-size:12px;
      line-height:1.35;
    }

    .badge{
      padding:8px 10px;
      border-radius: 999px;
      border:1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.05);
      font-size:12px;
      color:var(--muted);
      white-space:nowrap;
      display:flex;
      align-items:center;
      gap:8px;
      font-family: var(--mono);
    }
    .dot{
      width:9px;height:9px;border-radius:99px;
      background: rgba(255,255,255,.22);
      box-shadow: 0 0 0 4px rgba(255,255,255,.08);
    }
    .dot.good{ background: var(--good); box-shadow: 0 0 0 4px rgba(67,251,167,.16); }
    .dot.bad{ background: var(--bad); box-shadow: 0 0 0 4px rgba(255,92,122,.16); }
    .dot.warn{ background: var(--warn); box-shadow: 0 0 0 4px rgba(255,209,102,.16); }

    .side .body{ padding-top:12px; }

    .footerline{
      margin-top:14px;
      padding-top:14px;
      border-top:1px solid rgba(255,255,255,.09);
      display:flex;
      justify-content:space-between;
      flex-wrap:wrap;
      gap:10px;
      color:var(--muted2);
      font-size:12px;
    }

    .smalllink{
      color: rgba(122,162,255,.9);
      text-decoration:none;
      border-bottom:1px solid rgba(122,162,255,.35);
    }

    .error{
      display:none;
      margin-top:10px;
      padding:10px 12px;
      border-radius: 14px;
      border:1px solid rgba(255,92,122,.35);
      background: rgba(255,92,122,.10);
      color: rgba(255,255,255,.92);
      font-size:12.5px;
      line-height:1.35;
    }

    @media (max-width: 920px){
      .grid{ grid-template-columns: 1fr; }
      .pillrow{ justify-content:flex-start; }
    }
    @media (max-width: 560px){
      .row{ grid-template-columns: 1fr; }
      .logo h1{ font-size:20px; }
    }

/* --- SEO content blocks (added) --- */
.nav{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:10px;
}
.nav a{
  color: rgba(255,255,255,.86);
  text-decoration:none;
  font-size:12.5px;
  padding:8px 10px;
  border-radius: 999px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  transition: .15s ease;
}
.nav a:hover{ transform: translateY(-1px); border-color: rgba(122,162,255,.35); background: rgba(122,162,255,.10); }
.nav a.active{
  border-color: rgba(67,251,167,.35);
  background: rgba(67,251,167,.10);
}

.content{
  margin-top:14px;
  padding:16px;
}
.content h2{
  margin: 18px 0 8px;
  font-size:16px;
  font-weight:750;
  letter-spacing:.15px;
}
.content h3{
  margin: 14px 0 6px;
  font-size:14px;
  font-weight:740;
}
.content p, .content li{
  color: rgba(255,255,255,.75);
  line-height:1.6;
  font-size:13.5px;
}
.content ul{ margin: 8px 0 10px 18px; }
.content .callout{
  margin: 12px 0;
  padding: 12px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
}
.content .callout strong{ color: rgba(255,255,255,.92); }
.content .cta{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:12px;
}
.content .cta a{
  display:inline-block;
  padding: 10px 12px;
  border-radius: 14px;
  text-decoration:none;
  font-weight:700;
  font-size:13px;
  border:1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.92);
}
.content .cta a.primary{
  background: linear-gradient(135deg, rgba(122,162,255,.95), rgba(67,251,167,.75));
  border-color: rgba(255,255,255,.06);
  color: rgba(10,15,30,.96);
}