:root{
  --bg:#f6f6f4;
  --panel:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --btn:#111827;
  --btnText:#ffffff;
  --radius:18px;
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Arial;
  color:var(--text);
  background:
    linear-gradient(0deg, rgba(255,255,255,.92), rgba(255,255,255,.92)),
    url("/assets/img/hero.png") center center / cover no-repeat fixed;
}

.center-wrap{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}

.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px;
  width:100%;
  max-width:440px;
  box-shadow:0 18px 40px rgba(17,24,39,.12);
}

h1{
  margin:0 0 14px;
  font-size:32px;
  letter-spacing:-.02em;
}

p{
  margin:0 0 18px;
  color:var(--muted);
  line-height:1.6;
}

input{
  width:100%;
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px;
  font-size:14px;
  margin-bottom:14px;
}

button{
  width:100%;
  background:var(--btn);
  color:var(--btnText);
  border:0;
  border-radius:12px;
  padding:14px;
  font-weight:800;
  cursor:pointer;
}

button:hover{filter:brightness(.95)}

.msg{
  margin-top:12px;
  font-weight:700;
  font-size:13px;
  color:#7f1d1d;
}