.auth-backdrop {
  /* Disable blur to avoid full-screen repaints while typing */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.auth-modal-shell {
  border: 1px solid #e6efe9;
  box-shadow: 0 10px 22px rgba(15, 58, 31, 0.12);
  will-change: transform, opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
  max-height: calc(100vh - 2rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.auth-modal-shell::-webkit-scrollbar {
  width: 8px;
}

.auth-modal-shell::-webkit-scrollbar-thumb {
  background: rgba(30, 107, 60, 0.24);
  border-radius: 999px;
}

.auth-modal-shell::-webkit-scrollbar-track {
  background: transparent;
}

.auth-mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #f2f8f5;
  border: 1px solid #dcebe2;
  border-radius: 12px;
  padding: 4px;
  gap: 4px;
}

.auth-mode-btn {
  border: 0;
  background: transparent;
  border-radius: 9px;
  padding: 10px 8px;
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #5f6f67;
  transition: all 0.22s ease;
}

.auth-mode-btn.active {
  background: #ffffff;
  color: #1e6b3c;
  box-shadow: 0 3px 10px rgba(30, 107, 60, 0.1);
}

.auth-role-row {
  border: 1px solid #e5ece8;
  border-radius: 12px;
  padding: 10px 12px;
  background: #f9fcfa;
}

.auth-role-label {
  display: block;
  font-size: 12px;
  color: #5d6b64;
  margin-bottom: 8px;
  font-family: 'Nunito', sans-serif;
  font-weight: 600;
}

.auth-role-options {
  display: flex;
  gap: 8px;
}

.auth-role-chip {
  flex: 1;
  position: relative;
}

.auth-role-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.auth-role-chip span {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 9px;
  border-radius: 10px;
  border: 1px solid #dce8e2;
  background: white;
  color: #4f5e57;
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  font-weight: 700;
  transition: all 0.2s ease;
}

.auth-role-chip input:checked + span {
  border-color: #1e6b3c;
  color: #1e6b3c;
  background: #ecf8f1;
}

#farmer-extra-fields {
  animation: fade-slide 0.25s ease both;
}

.auth-inline-message {
  margin-top: 10px;
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 12px;
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
}

.auth-inline-message.ok {
  background: #ecfdf3;
  border: 1px solid #b8ebcd;
  color: #166534;
}

.auth-inline-message.error {
  background: #fff1f2;
  border: 1px solid #fecdd3;
  color: #9f1239;
}

#auth-login-form .input-field,
#auth-register-form .input-field {
  /* Keep focus updates cheap for smoother typing */
  background: #fbfcfc;
  transition: border-color 0.08s linear, background-color 0.08s linear;
  box-shadow: none !important;
  contain: layout paint;
}

#auth-login-form .input-field:focus,
#auth-register-form .input-field:focus {
  box-shadow: none;
  background: #ffffff;
}

@keyframes fade-slide {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}