/* ========= SolarVsGrid base.css ========= */
/* Color tokens — tweak to match your brand */

 :root { --bg:#0b0f14; --fg:#e9f1fb; --muted:#8aa0b4; --card:#121821; --border:#18212c; --accent:#52d1ff; }
 
    body{ margin:0; font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial; background:var(--bg); color:var(--fg); }
    a{ color:var(--accent); }
    .container{ max-width:1140px; margin:24px auto; padding:0 16px; }
    .card{ background:var(--card); border:1px solid var(--border); border-radius:16px; padding:16px; box-shadow:0 8px 24px rgba(0,0,0,.25); }
    .layout{ display:grid; gap:18px; }
    @media (min-width: 980px){ .layout{ grid-template-columns: 2fr 1fr; } }
    h1{ margin:6px 0 12px; }
    .grid{ display:grid; gap:12px; }
    @media (min-width: 720px){ .grid.two{ grid-template-columns: 1fr 1fr; } .grid.three{ grid-template-columns: repeat(3,1fr); } }
    label{ color:#cfe3ff; font-weight:600; font-size:14px; }
    input, select{
      width:100%; box-sizing:border-box; padding:10px 12px; border-radius:10px; border:1px solid var(--border);
      background:#0f1722; color:var(--fg); font-size:14px;
    }
    .hint{ color:var(--muted); font-size:12px; }
    .pill{ display:inline-block; font-size:12px; padding:6px 10px; border-radius:999px; border:1px solid var(--border); color:#b9c6d3; margin-bottom:8px; }
    .result{
      display:flex; flex-direction:column; gap:8px;
      padding:12px; border-radius:12px; border:1px solid rgba(82,209,255,.25); background:rgba(82,209,255,.08);
    }
    .result .big{ font-size:26px; font-weight:800; color:var(--accent); }
    table{ width:100%; border-collapse:collapse; font-size:13px; }
    th, td{ padding:8px 10px; border-bottom:1px solid var(--border); text-align:right; }
    th:first-child, td:first-child{ text-align:left; }
    tfoot td{ font-weight:700; }
    .fine{ color:#9db0c6; font-size:12px; }
    .btn{
      display:inline-flex; align-items:center; gap:8px; padding:10px 14px; border-radius:12px; border:1px solid var(--border);
      background:#0e1520; color:var(--fg); text-decoration:none; font-size:14px;
    }
    .btn:hover{ background:#0f1727; }
    .btn-ghost{ background:transparent; }
    
    /* Two-column layout for blog + posts */
.layout-two{
  display:grid;
  grid-template-columns: minmax(0,1fr) 320px; /* content + sidebar width */
  gap: 24px;
}
@media (max-width: 980px){
  .layout-two{ grid-template-columns: 1fr; }
}
.sidebar{
  align-self: start;
  position: sticky; top: 16px; /* keep ads visible while scrolling */
}