* {
  box-sizing: border-box;
}

body.admin-auth-page {
  min-width: 320px;
  min-height: 100svh;
  overflow-y: auto;
  background: var(--site-paper) !important;
}

.admin-auth-page::before {
  opacity: 0.12;
}

.admin-auth-shell {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 100svh;
  padding: 76px 20px 36px;
  place-items: center;
}

.admin-auth-brand {
  position: absolute;
  top: 25px;
  left: clamp(20px, 4vw, 58px);
  color: var(--site-ink);
  font-family: "Home Latin Display", Georgia, serif;
  font-size: 22px;
  font-style: italic;
  font-weight: 600;
  text-decoration: none;
}

.admin-auth-card {
  width: min(100%, 430px);
  padding: clamp(28px, 5vw, 42px);
  background: rgba(255, 255, 252, 0.88);
  border: 1px solid var(--site-line);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(31, 30, 25, 0.1);
  backdrop-filter: blur(18px);
}

.admin-auth-mark {
  display: grid;
  width: 42px;
  height: 42px;
  margin-bottom: 26px;
  color: #fff;
  background: var(--site-ink);
  border-radius: 8px;
  place-items: center;
}

.admin-auth-mark svg,
.admin-auth-security svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.admin-auth-kicker {
  margin: 0 0 10px;
  color: var(--site-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.admin-auth-card h1 {
  margin: 0;
  color: var(--site-ink);
  font-size: 32px;
  font-weight: 650;
}

.admin-auth-subtitle {
  margin: 10px 0 30px;
  color: var(--site-muted);
  font-size: 13px;
  line-height: 1.7;
}

.admin-auth-form {
  display: grid;
  gap: 18px;
}

.admin-auth-form label {
  display: grid;
  gap: 8px;
  color: var(--site-muted);
  font-size: 12px;
}

.admin-auth-form input {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  color: var(--site-ink);
  font: inherit;
  font-size: 14px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--site-line);
  border-radius: 6px;
  outline: none;
}

.admin-auth-form input:focus {
  border-color: var(--site-line-strong);
  box-shadow: 0 0 0 3px rgba(23, 23, 21, 0.06);
}

.admin-password-field {
  position: relative;
  display: block;
}

.admin-password-field input {
  padding-right: 58px;
}

.admin-password-field button {
  position: absolute;
  top: 50%;
  right: 8px;
  padding: 7px;
  color: var(--site-muted);
  font: inherit;
  font-size: 11px;
  background: transparent;
  border: 0;
  cursor: pointer;
  transform: translateY(-50%);
}

.admin-auth-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  margin-top: 4px;
  color: #fff;
  font: inherit;
  font-size: 14px;
  background: var(--site-ink);
  border: 1px solid var(--site-ink);
  border-radius: 6px;
  cursor: pointer;
}

.admin-auth-submit:hover,
.admin-auth-submit:focus-visible {
  background: var(--site-accent);
  border-color: var(--site-accent);
  outline: none;
}

.admin-auth-submit:disabled {
  opacity: 0.55;
  cursor: wait;
}

.admin-auth-spinner {
  display: none;
  width: 15px;
  height: 15px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: admin-spin 0.75s linear infinite;
}

.admin-auth-submit.is-loading .admin-auth-spinner {
  display: inline-block;
}

@keyframes admin-spin {
  to { transform: rotate(360deg); }
}

.admin-auth-error {
  min-height: 18px;
  margin: -6px 0 0;
  color: var(--site-hot);
  font-size: 12px;
  line-height: 1.5;
}

.admin-auth-security {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 24px;
  padding-top: 18px;
  color: var(--site-muted);
  font-size: 11px;
  line-height: 1.6;
  border-top: 1px solid var(--site-line);
}

.admin-auth-security svg {
  width: 16px;
  height: 16px;
  flex: 0 0 16px;
  margin-top: 1px;
}

@media (max-width: 480px) {
  .admin-auth-shell {
    padding-inline: 16px;
  }

  .admin-auth-card {
    padding: 28px 22px;
  }
}