:root{
  --bg:#0b0f14;
  --card:#111826;
  --muted:#93a4b8;
  --text:#e6edf6;
  --line:#223047;
  --accent:#6ee7b7;
  --info:#6ee1e7;
  --warn:#fbbf24;
  --bad:#fb7185;
  --good:#60a5fa;
  --shadow: 0 12px 35px rgba(0,0,0,.35);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 20% -10%, rgba(110,231,183,.12), transparent 60%),
              radial-gradient(1000px 700px at 95% 0%, rgba(96,165,250,.10), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.6;
}

a{color:inherit}
.wrap{max-width:1050px;margin:0 auto;padding:28px 16px 64px}

header{
  margin: 10px 0 18px;
  padding: 18px 18px 14px;
  background: linear-gradient(180deg, rgba(17,24,38,.92), rgba(17,24,38,.70));
  border:1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
h1{font-size: clamp(1.6rem, 2.5vw, 2.3rem); margin:0 0 6px}
.sub{color:var(--muted); margin:0}

.pillrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.pill{
  font-size:.9rem;
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  color: var(--muted);
}

.grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:14px}
@media(min-width:900px){
  .grid{grid-template-columns: 1.2fr .8fr}
}

.card{
  background: rgba(17,24,38,.72);
  border:1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 16px;
}
.card h2{margin:0 0 10px;font-size:1.2rem}
.card p{margin:10px 0;color: var(--text)}
.muted{color:var(--muted)}
.small{font-size:.92rem}

.toc a{
  display:block;
  padding:8px 10px;
  border:1px solid var(--line);
  border-radius: 12px;
  text-decoration:none;
  background: rgba(255,255,255,.02);
  margin: 8px 0;
}
.toc a:hover{border-color: rgba(110,231,183,.55);}

.callouts{display:grid;grid-template-columns:1fr;gap:12px;margin-top:14px}
@media(min-width:900px){ .callouts{grid-template-columns:1fr 1fr} }

.callouts--single{
  grid-template-columns: 1fr !important;
}
@media (min-width:900px){
  .callouts--single{
    grid-template-columns: 1fr !important;
  }
}


.callout{
  border:1px solid var(--line);
  border-radius: 16px;
  padding:14px;
  background: rgba(255,255,255,.03);
}
.tag{
  display:inline-block;
  font-size:.82rem;
  padding:4px 9px;
  border-radius: 999px;
  border:1px solid var(--line);
  margin-bottom:10px;
  color: var(--muted);
}
.tag.good{border-color: rgba(96,165,250,.6); color: #bfe0ff;}
.tag.best{border-color: rgba(110,231,183,.65); color: #c8fbe7;}
.tag.caution{border-color: rgba(251,191,36,.65); color:#ffe7a6;}
.tag.risk{border-color: rgba(251,113,133,.65); color:#ffd0d8;}
.tag.info{border-color: rgba(110,225,231,.65); color:#6ee1e7;}

.btnrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.btn{
  display:inline-block;
  text-decoration:none;
  padding:10px 12px;
  border-radius: 12px;
  border:1px solid rgba(110,231,183,.6);
  background: rgba(110,231,183,.08);
  color: var(--text);
  font-weight: 600;
}
.btn:hover{background: rgba(110,231,183,.14);}

.btn.secondary{
  border-color: rgba(96,165,250,.6);
  background: rgba(96,165,250,.08);
}
.btn.secondary:hover{background: rgba(96,165,250,.14);}

.tablewrap{
  overflow:auto;
  border-radius: 16px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.02);
}
table{
  width:100%;
  border-collapse: collapse;
  min-width: 850px;
}
th, td{
  text-align:left;
  padding:12px 12px;
  border-bottom:1px solid rgba(34,48,71,.9);
  vertical-align: top;
}
th{
  position: sticky;
  top:0;
  background: rgba(17,24,38,.95);
  z-index:2;
  font-size:.92rem;
  color: var(--muted);
}
td{font-size:.95rem}
.score{
  font-weight:700;
  padding:4px 8px;
  border-radius: 10px;
  display:inline-block;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}

section{
  margin-top: 16px;
  padding-top: 4px;
}
.product{
  border:1px solid var(--line);
  border-radius: 18px;
  background: rgba(17,24,38,.72);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-top: 14px;
}
.product h3{margin:0 0 6px;font-size:1.25rem}
.kicker{margin:0 0 10px;color: var(--muted)}
.facts{
  display:grid;
  grid-template-columns: 1fr;
  gap:10px;
  margin: 12px 0;
}
@media(min-width:900px){
  .facts{grid-template-columns: 1fr 1fr}
}
.fact{
  border:1px solid rgba(34,48,71,.9);
  border-radius: 14px;
  padding: 12px;
  background: rgba(255,255,255,.02);
}
.fact b{display:block;margin-bottom:4px}

ul{margin:10px 0 0 18px}
li{margin:6px 0}

.hr{height:1px;background:rgba(34,48,71,.95);margin:18px 0}

footer{
  margin-top: 22px;
  padding: 14px 14px 18px;
  border:1px solid var(--line);
  border-radius: 18px;
  background: rgba(17,24,38,.65);
  color: var(--muted);
}
.disclosure{font-style: italic; color: #cbd5e1; margin: 0 0 10px}
.note{margin:0; font-size:.92rem}

/* ---------- Forms / Calculator UI ---------- */

.formgrid{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
}
@media(min-width:900px){
  .formgrid{ grid-template-columns: 1fr 1fr; }
}

.field{
  border:1px solid rgba(34,48,71,.9);
  border-radius: 16px;
  padding: 12px;
  background: rgba(255,255,255,.02);
}
.field label{
  display:block;
  font-size:.86rem;
  color: var(--muted);
  margin:0 0 6px;
}
.field input, .field select{
  width:100%;
  padding:10px 12px;
  border-radius: 12px;
  border:1px solid var(--line);
  background: rgba(11,15,20,.55);
  color: var(--text);
  font-size: 1rem;
  outline: none;
}
.field input::placeholder{ color: rgba(147,164,184,.65); }
.field input:focus, .field select:focus{
  border-color: rgba(110,231,183,.65);
  box-shadow: 0 0 0 3px rgba(110,231,183,.12);
}
.help{
  font-size:.82rem;
  color: var(--muted);
  margin:8px 0 0;
}

.inline{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.check{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border:1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.02);
  color: var(--muted);
  font-size:.9rem;
}
.check input{ accent-color: var(--accent); }

.alert{
  border:1px solid var(--line);
  border-radius: 16px;
  padding:12px 14px;
  background: rgba(255,255,255,.03);
}
.alert.good{ border-color: rgba(96,165,250,.55); }
.alert.warn{ border-color: rgba(251,191,36,.55); }
.alert.bad{  border-color: rgba(251,113,133,.55); }

.kpis{
  display:grid;
  grid-template-columns:1fr;
  gap:12px;
  margin-top: 12px;
}
@media(min-width:900px){
  .kpis{ grid-template-columns: repeat(3, 1fr); }
}
.kpi{
  border:1px solid rgba(34,48,71,.9);
  border-radius: 16px;
  padding: 12px;
  background: rgba(255,255,255,.02);
}
.kpi .label{ font-size:.82rem; color: var(--muted); }
.kpi .value{ font-size:1.25rem; font-weight:800; margin-top:4px; }

.chartwrap{
  margin-top: 12px;
  border:1px solid rgba(34,48,71,.9);
  border-radius: 16px;
  padding: 10px;
  background: rgba(255,255,255,.02);
}
canvas{ display:block; width:100%; }

/* Chart at ~50% viewport height */
.chartwrap{
  height: 50vh;
  max-height: 50vh;
  min-height: 320px; /* optional: prevents tiny charts on short screens */
}

.chartwrap canvas{
  height: 100% !important;
  width: 100% !important;
}

.btn[aria-disabled="true"], .btn:disabled{
  opacity:.55;
  cursor:not-allowed;
}