:root{
  --bg:#F3F6FA; --surface:#FFFFFF; --ink:#16202C; --muted:#526070;
  --tile:#1D4F86; --tile-soft:#E2ECF7; --line:#CCD7E3;
  --ok:#256B45; --ok-soft:#E1F1E7; --bad:#A3282F; --bad-soft:#F8E1E2;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F1620; --surface:#18222E; --ink:#E6EDF5; --muted:#9AAABB;
    --tile:#7FB0E6; --tile-soft:#1E3248; --line:#2C3A4A;
    --ok:#7ED3A0; --ok-soft:#173326; --bad:#F2959A; --bad-soft:#3D1D20;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1620; --surface:#18222E; --ink:#E6EDF5; --muted:#9AAABB;
  --tile:#7FB0E6; --tile-soft:#1E3248; --line:#2C3A4A;
  --ok:#7ED3A0; --ok-soft:#173326; --bad:#F2959A; --bad-soft:#3D1D20;
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 "Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif}
h1,h2,h3{font-family:"Fraunces",Georgia,"Times New Roman",serif;font-weight:700;line-height:1.15;margin:0}
a{color:var(--tile)}
.tiles{width:72px;height:72px;display:grid;grid-template-columns:1fr 1fr;gap:3px}
.tiles span{background:var(--tile);border-radius:3px;position:relative;overflow:hidden}
.tiles span::after{content:"";position:absolute;inset:22%;border:2px solid var(--bg);border-radius:50%}
.tiles span:nth-child(2)::after,.tiles span:nth-child(3)::after{border-radius:2px;transform:rotate(45deg)}
.versao{text-align:center;font-size:.75rem;color:var(--muted);opacity:.75;margin:0;padding:8px 20px 20px}
.estado{min-height:60vh;display:flex;align-items:center;justify-content:center;color:var(--muted)}