.auth-body {
  margin: 0;
  box-sizing: border-box;
  min-height: 100vh;
  font-family: 'Inter', 'Roboto', 'Helvetica', sans-serif;
  background:
    radial-gradient(circle at 15% 15%, #e3f7fa 0%, transparent 45%),
    radial-gradient(circle at 85% 85%, #e5e7f0 0%, transparent 45%),
    var(--surface-app);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow-x: hidden;
}

.auth-wrap {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-flash {
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.4;
  background: var(--danger-quiet);
  color: var(--danger);
  border: 1px solid var(--danger-quiet);
}

.auth-flash--notice {
  background: #e3f7fa;
  color: #0e647a;
  border-color: #b9eaf3;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--surface-card);
  border-radius: 16px;
  box-shadow: var(--shadow-overlay);
  padding: 40px 36px 32px;
  box-sizing: border-box;
  text-align: center;
}

.auth-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 28px;
}

.auth-brand-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.auth-brand-mark img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}

.auth-brand-name {
  font-weight: 800;
  font-size: 19px;
  color: #0e1550;
  letter-spacing: -0.01em;
}

.auth-brand-badge {
  background: #e3f7fa;
  color: #0eaacc;
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 3px 7px;
  border-radius: 5px;
}

.auth-title {
  font-size: 20px;
  font-weight: 700;
  color: #0e1550;
  margin: 0 0 8px;
}

.auth-subtitle {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-light);
  margin: 0 0 28px;
}

.auth-google-button {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 11px 16px;
  border-radius: 8px;
  border: 1px solid #dadce0;
  background: #ffffff;
  color: #3c4043;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow .15s ease-in-out, background-color .15s ease-in-out;
}

.auth-google-button:hover {
  background: #f8fafc;
  box-shadow: 0 1px 2px rgba(60, 64, 67, 0.15);
}

.auth-footnote {
  margin-top: 24px;
  font-size: 12px;
  color: var(--text-faint);
}

.auth-dev {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px dashed var(--border-neutral);
  text-align: left;
}

.auth-dev-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-faint);
  margin-bottom: 8px;
}

.auth-dev-form {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.auth-dev-select {
  flex: 1 1 180px;
  min-width: 0;
  border: 1px solid var(--border-neutral);
  border-radius: 8px;
  background: var(--surface-card);
  font-family: inherit;
  font-size: 12px;
  color: var(--text-main);
  padding: 7px 8px;
}

.auth-dev-submit {
  border: 1px solid var(--border-neutral);
  border-radius: 8px;
  background: var(--surface-app);
  color: var(--text-light);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 12px;
  cursor: pointer;
}

.auth-dev-submit:hover { background: var(--surface-sunken); color: var(--text-main); }

.auth-brand-beta {
  color: var(--text-faint);
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border: 1px solid var(--border-neutral);
  border-radius: 5px;
}