.auth-body {
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
}

.auth-shell {
  position: relative;
  z-index: 1;
  width: min(100%, 460px);
}

.auth-home {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--ink-faint);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.auth-home:hover {
  color: var(--ink);
}

.auth-card {
  padding: 48px 42px 44px;
  background: rgba(255, 253, 247, 0.68);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.auth-card h1 {
  margin: 0;
  font-size: 34px;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.auth-sub {
  margin: 13px 0 32px;
  color: var(--ink-soft);
  font-size: 14px;
  letter-spacing: 0.04em;
}

.auth-card form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.auth-card label {
  display: block;
}

.auth-card label span {
  display: block;
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.auth-card input {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  padding: 9px 2px;
  background: transparent;
  color: var(--ink);
  outline: none;
  transition: border-color 220ms ease;
}

.auth-card input:focus {
  border-color: var(--ochre);
}

.auth-card button {
  margin-top: 8px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  letter-spacing: 0.18em;
  transition: background 220ms ease, color 220ms ease;
}

.auth-card button:hover {
  background: transparent;
  color: var(--ink);
}

.auth-error {
  padding: 9px 12px;
  border-left: 2px solid var(--cinnabar);
  background: rgba(169, 79, 58, 0.07);
  color: var(--cinnabar);
  font-size: 13px;
  line-height: 1.5;
}

.auth-admin .auth-card {
  border-top: 3px solid var(--ochre);
}

@media (max-width: 520px) {
  .auth-card {
    padding: 36px 24px 34px;
  }
}