:root {
  --bg: #0b0b0b;
  --gold: #c7a764;
  --gold-dark: #9b7c3f;
  --text: #f5f5f5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Georgia", "Times New Roman", serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 20%, rgba(199,167,100,0.18), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(199,167,100,0.12), transparent 40%),
    #0b0b0b;
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login .card {
  width: min(90vw, 420px);
  padding: 36px 32px;
  border: 1px solid rgba(199,167,100,0.35);
  border-radius: 14px;
  background: rgba(12,12,12,0.8);
  box-shadow: 0 18px 40px rgba(0,0,0,0.45);
  text-align: center;
}

h1 {
  margin: 0 0 12px;
  font-size: 28px;
  letter-spacing: 0.5px;
}

p {
  margin: 0 0 24px;
  color: #d9d4c7;
}

#btn-login {
  width: 100%;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 600;
  color: #111;
  background: linear-gradient(180deg, var(--gold), var(--gold-dark));
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

#btn-login:hover {
  filter: brightness(1.05);
}