:root {
  --wine: #7c001a;
  --ink: #222;
  --muted: #666;
  --line: #e8bec5;
  --pale: #f8f2f4;
}
* { box-sizing: border-box; }
body {
  min-height: 100vh;
  margin: 0;
  background: #f7f7f8;
  color: var(--ink);
  font-family: "KoPubWorld돋움체", "Malgun Gothic", Arial, sans-serif;
}
.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}
.auth-card,
.account-card {
  width: min(100%, 420px);
  padding: 42px 40px;
  border: 1px solid #ddd;
  border-top: 5px solid var(--wine);
  background: #fff;
  box-shadow: 0 12px 34px rgba(50, 0, 10, 0.08);
}
.auth-brand {
  display: inline-grid;
  place-items: center;
  width: 52px;
  height: 34px;
  background: var(--wine);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  text-decoration: none;
}
h1 {
  margin: 28px 0 26px;
  font-size: 30px;
  letter-spacing: -.035em;
}
label {
  display: block;
  margin-top: 18px;
  color: #555;
  font-size: 13px;
  font-weight: 700;
}
input {
  width: 100%;
  margin-top: 7px;
  padding: 13px 14px;
  border: 1px solid #aaa;
  border-radius: 2px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}
input:focus {
  border-color: var(--wine);
  outline: 2px solid var(--line);
  outline-offset: 1px;
}
button {
  width: 100%;
  margin-top: 26px;
  padding: 13px 18px;
  border: 1px solid var(--wine);
  border-radius: 2px;
  background: var(--wine);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
button:hover { background: #5f0014; }
.auth-error {
  margin: -10px 0 22px;
  padding: 11px 13px;
  border-left: 3px solid var(--wine);
  background: var(--pale);
  color: #5f0014;
  font-size: 14px;
}
.account-card dl { margin: 0; }
.account-card dl div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid #eee;
}
.account-card dt { color: var(--muted); }
.account-card dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
@media (max-width: 480px) {
  .auth-card,
  .account-card { padding: 34px 26px; }
}