body.authPage {
  --auth-bg-base: #0d1117;
  --auth-bg-surface: #161b22;
  --auth-bg-elevated: #1c2333;
  --auth-border: #30363d;
  --auth-text-primary: #e6edf3;
  --auth-text-secondary: #8b949e;
  --auth-text-muted: #484f58;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  background:
    radial-gradient(circle at top, rgba(28, 35, 51, 0.72), transparent 38%),
    linear-gradient(rgba(22, 27, 34, 0.88) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 27, 34, 0.88) 1px, transparent 1px),
    var(--auth-bg-base);
  background-size: auto, 34px 34px, 34px 34px, auto;
  color: var(--auth-text-primary);
}

html[data-theme="light"] body.authPage {
  --auth-bg-base: #0d1117;
  --auth-bg-surface: #161b22;
  --auth-bg-elevated: #1c2333;
  --auth-border: #30363d;
  --auth-text-primary: #e6edf3;
  --auth-text-secondary: #8b949e;
  --auth-text-muted: #484f58;
  background:
    radial-gradient(circle at top, rgba(28, 35, 51, 0.72), transparent 38%),
    linear-gradient(rgba(22, 27, 34, 0.88) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 27, 34, 0.88) 1px, transparent 1px),
    var(--auth-bg-base);
  background-size: auto, 34px 34px, 34px 34px, auto;
}

.themeToggleHostLogin {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 20;
  display: none;
}

.themeToggleLogin {
  background: var(--auth-bg-surface);
  border-color: var(--auth-border);
  color: var(--auth-text-primary);
}

.themeToggleLogin:hover {
  background: var(--auth-bg-elevated);
  border-color: var(--auth-border);
}

.login-container {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.brand {
  display: grid;
  justify-items: center;
  gap: 8px;
  margin-bottom: 24px;
  text-align: center;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: clamp(80px, 18vw, 100px);
  height: clamp(80px, 18vw, 100px);
}

.brand-logo {
  grid-area: 1 / 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 16px 30px rgba(1, 4, 9, 0.38));
}

.brand-logo-fallback {
  grid-area: 1 / 1;
  display: none;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2), transparent 48%),
    linear-gradient(140deg, var(--accent-primary), color-mix(in srgb, var(--accent-primary) 45%, #06111d));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 16px 30px rgba(1, 4, 9, 0.38);
  color: #f8fafc;
  font-family: var(--font-condensed);
  font-size: clamp(1.2rem, 4vw, 1.55rem);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand-mark.is-fallback .brand-logo {
  display: none;
}

.brand-mark.is-fallback .brand-logo-fallback {
  display: inline-flex;
}

.brand-title {
  color: var(--auth-text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-title span {
  color: var(--accent-primary);
}

.brand-tagline {
  color: var(--auth-text-secondary);
  font-family: var(--font-condensed);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.panel {
  padding: 30px;
  background:
    linear-gradient(135deg, rgba(90, 125, 69, 0.08), transparent 42%),
    var(--auth-bg-surface);
  border: 1px solid var(--auth-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.panel .btn,
.panel .btn-primary,
.panel button[type="submit"] {
  width: 100%;
}

.social-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 14px;
  color: var(--auth-text-muted);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.social-divider::before,
.social-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--auth-border);
}

.btn-social {
  margin-top: 10px;
  border: 1px solid var(--auth-border);
  background: var(--auth-bg-elevated);
  color: var(--auth-text-primary);
  font-weight: 600;
}

.btn-social:hover {
  background: color-mix(in srgb, var(--auth-bg-elevated) 76%, white 24%);
}

.btn-social:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-google {
  box-shadow: inset 3px 0 0 #2f81f7;
}

.btn-apple {
  box-shadow: inset 3px 0 0 #f0f6fc;
}

.gsi-sign-in-wrapper {
  position: relative;
  margin-top: 10px;
  min-height: 40px;
}

.gsi-hidden-button {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.001;
  overflow: hidden;
  z-index: 10;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.gsi-hidden-button > div {
  width: 100%;
  height: 100%;
}

.gsi-material-button {
  -moz-user-select: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-appearance: none;
  appearance: none;
  background-color: #131314;
  background-image: none;
  border: 1px solid #8e918f;
  border-radius: 4px;
  box-sizing: border-box;
  color: #e3e3e3;
  cursor: pointer;
  font-family: 'Roboto', arial, sans-serif;
  font-size: 14px;
  height: 40px;
  letter-spacing: 0.25px;
  outline: none;
  overflow: hidden;
  padding: 0 12px;
  position: relative;
  text-align: center;
  transition: background-color .218s, border-color .218s, box-shadow .218s;
  vertical-align: middle;
  white-space: nowrap;
  width: 100%;
}

.gsi-material-button .gsi-material-button-icon {
  height: 20px;
  margin-right: 10px;
  min-width: 20px;
  width: 20px;
}

.gsi-material-button .gsi-material-button-content-wrapper {
  align-items: center;
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  height: 100%;
  justify-content: center;
  position: relative;
  width: 100%;
}

.gsi-material-button .gsi-material-button-contents {
  font-family: 'Roboto', arial, sans-serif;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: top;
}

.gsi-material-button .gsi-material-button-state {
  transition: opacity .218s;
  bottom: 0;
  left: 0;
  opacity: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.gsi-material-button:disabled {
  cursor: default;
  background-color: #13131461;
  border-color: #8e918f1f;
}

.gsi-material-button:disabled .gsi-material-button-state {
  background-color: #e3e3e31f;
}

.gsi-material-button:disabled .gsi-material-button-contents,
.gsi-material-button:disabled .gsi-material-button-icon {
  opacity: 38%;
}

.gsi-sign-in-wrapper:active .gsi-material-button:not(:disabled) .gsi-material-button-state {
  background-color: white;
  opacity: 12%;
}

.gsi-sign-in-wrapper:hover .gsi-material-button:not(:disabled) {
  box-shadow: 0 1px 2px 0 rgba(60, 64, 67, .30), 0 1px 3px 1px rgba(60, 64, 67, .15);
}

.gsi-sign-in-wrapper:hover .gsi-material-button:not(:disabled) .gsi-material-button-state {
  background-color: white;
  opacity: 8%;
}

.apple-signin-button {
  -webkit-appearance: none;
  appearance: none;
  margin-top: 10px;
  width: 100%;
  height: 40px;
  padding: 0 12px;
  border: 1px solid #000;
  border-radius: 4px;
  background-color: #000;
  color: #fff;
  cursor: pointer;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color .218s, box-shadow .218s;
  outline: none;
}

.apple-signin-button:hover:not(:disabled) {
  background-color: #1a1a1a;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, .30), 0 1px 3px 1px rgba(0, 0, 0, .15);
}

.apple-signin-button:active:not(:disabled) {
  background-color: #262626;
}

.apple-signin-button:disabled {
  cursor: default;
  opacity: 0.5;
}

.apple-signin-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-top: -3px;
}

.apple-signin-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.apple-signin-label {
  display: inline-block;
  line-height: 1;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.view-title {
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--auth-border);
  color: var(--auth-text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 600;
}

.field {
  margin-bottom: 14px;
}

.field label {
  color: var(--auth-text-secondary);
}

.field input {
  background: var(--auth-bg-elevated);
  border-color: var(--auth-border);
  color: var(--auth-text-primary);
}

.field input::placeholder {
  color: var(--auth-text-muted);
}

.helper-text,
.invite-notice {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--auth-border);
  background: var(--auth-bg-elevated);
  color: var(--auth-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.5;
}

.error,
.status {
  margin-bottom: 16px;
}

.links {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--auth-border);
}

.links a {
  color: var(--auth-text-secondary);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
}

.links a:hover {
  color: var(--auth-text-primary);
}

.login-meta {
  display: grid;
  justify-items: center;
  gap: 12px;
  margin-top: 16px;
}

.loginLegalLinks,
.legalLinks {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.loginLegalLinks a,
.legalLinks a {
  color: var(--auth-text-secondary);
  font-size: var(--text-xs);
  font-weight: 600;
}

.loginLegalLinks a:hover,
.legalLinks a:hover {
  color: var(--auth-text-primary);
}

.version {
  position: fixed;
  right: 12px;
  bottom: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--auth-bg-surface);
  border: 1px solid var(--auth-border);
  color: var(--auth-text-primary);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.01em;
  box-shadow: var(--shadow-sm);
}

.mobile-web-warning {
  display: none;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
  background: var(--auth-bg-elevated);
  border-color: rgba(210, 153, 34, 0.28);
  color: var(--auth-text-primary);
}

.mobile-web-warning.visible {
  display: flex;
}

.mobile-web-warning-body {
  display: grid;
  gap: 4px;
}

.mobile-web-warning-body strong {
  font-size: var(--text-sm);
  color: var(--auth-text-primary);
}

.mobile-web-warning-body span {
  font-size: var(--text-sm);
  color: var(--auth-text-secondary);
}

.mobile-web-warning-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.mobile-web-warning-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(210, 153, 34, 0.38);
  border-radius: 999px;
  background: rgba(210, 153, 34, 0.14);
  color: var(--auth-text-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  text-decoration: none;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}

.mobile-web-warning-link:hover {
  background: rgba(210, 153, 34, 0.22);
  border-color: rgba(210, 153, 34, 0.5);
  color: var(--auth-text-primary);
}

.mobile-web-warning-close {
  width: 34px;
  min-width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 999px;
}

@media (max-width: 640px) {
  body.authPage {
    padding: 24px 16px;
  }

  .themeToggleHostLogin {
    top: 16px;
    right: 16px;
  }

  .panel {
    padding: 22px;
  }

  .brand-title {
    font-size: 1.25rem;
  }

  .links,
  .mobile-web-warning.visible {
    flex-direction: column;
  }

  .mobile-web-warning-close {
    align-self: flex-end;
  }

  .mobile-web-warning-actions {
    width: 100%;
  }

  .mobile-web-warning-link {
    width: 100%;
  }
}