:root{
  --af-blue-900:#0b2a5a;
  --af-blue-700:#114b9b;
  --af-blue-600:#1e66d0;
  --af-blue-100:#e9f2ff;
  --af-white:#ffffff;
  --af-text:#0d1b2a;
  --af-muted:#5b6b7a;
  --af-border:rgba(17,75,155,.18);
  --af-shadow: 0 18px 45px rgba(11,42,90,.18);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color:var(--af-text);
}

.af-bg{
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(30,102,208,.25), transparent 55%),
    radial-gradient(900px 500px at 90% 30%, rgba(17,75,155,.18), transparent 55%),
    linear-gradient(180deg, var(--af-blue-100), #ffffff 55%);
}

.af-shell{
  min-height:100%;
  display:grid;
  place-items:center;
  padding:24px;
}

.af-card{
  width:min(520px, 100%);
  background:var(--af-white);
  border:1px solid var(--af-border);
  border-radius:18px;
  box-shadow:var(--af-shadow);
  padding:22px 22px 18px;
}

.af-brand{
  display:flex;
  gap:14px;
  align-items:center;
  margin-bottom:18px;
}

.af-mark{
  width:54px;height:54px;
  border-radius:14px;
  background:linear-gradient(135deg, var(--af-blue-700), var(--af-blue-600));
  color:#fff;
  display:grid;
  place-items:center;
  font-weight:800;
  letter-spacing:.5px;
}

.af-mark--small{width:42px;height:42px;border-radius:12px}

.af-title{font-weight:800;font-size:18px;line-height:1.2}
.af-subtitle{color:var(--af-muted);font-size:13px;margin-top:2px}

.af-form{margin-top:8px;display:grid;gap:10px}

.af-label{font-size:13px;color:var(--af-blue-900);font-weight:700}

.af-input{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--af-border);
  outline:none;
  background:#fbfdff;
  transition: box-shadow .15s ease, border-color .15s ease, transform .05s ease;
}
.af-input:focus{
  border-color:rgba(30,102,208,.5);
  box-shadow:0 0 0 4px rgba(30,102,208,.14);
}

.af-btn{
  margin-top:6px;
  border:none;
  border-radius:12px;
  padding:12px 14px;
  font-weight:800;
  color:#fff;
  background:linear-gradient(135deg, var(--af-blue-700), var(--af-blue-600));
  cursor:pointer;
  transition: transform .05s ease, filter .15s ease;
}
.af-btn:hover{filter:brightness(1.04)}
.af-btn:active{transform:translateY(1px)}

.af-alert{
  margin:10px 0 6px;
  padding:10px 12px;
  border-radius:12px;
  background:rgba(30,102,208,.08);
  border:1px solid rgba(30,102,208,.22);
  color:var(--af-blue-900);
  font-size:13px;
}

.af-footnote{
  margin:10px 0 0;
  color:var(--af-muted);
  font-size:12px;
  line-height:1.35;
}

.af-topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.af-brand-mini{display:flex;gap:12px;align-items:center}

.af-linkbtn{
  text-decoration:none;
  color:var(--af-blue-700);
  font-weight:800;
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--af-border);
  background:#fbfdff;
}
.af-linkbtn:hover{
  box-shadow:0 0 0 4px rgba(30,102,208,.10);
}

.af-content{margin-top:16px}
.af-h1{margin:0 0 8px;font-size:20px}
.af-p{margin:0 0 16px;color:var(--af-muted)}

.af-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap:10px;
}
@media (max-width: 520px){
  .af-grid{grid-template-columns:1fr}
}

.af-tile{
  border:1px solid var(--af-border);
  background:linear-gradient(180deg, #ffffff, rgba(233,242,255,.6));
  border-radius:14px;
  padding:12px;
}
.af-tile-title{color:var(--af-muted);font-size:12px;font-weight:700}
.af-tile-value{margin-top:6px;font-size:14px;font-weight:900;color:var(--af-blue-900)}