body.auth {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background: var(--color-surface);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Auth nav */
.auth-nav {
  padding: 20px 24px;
  text-align: center;
}

.auth-nav__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

/* Auth container */
.auth {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px 80px;
}

.auth__card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.auth__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.auth__subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

/* Flash messages inside auth */
.auth__flash {
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.auth__flash--notice {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.auth__flash--alert {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Error messages */
.auth__errors {
  background: #fef2f2;
  color: var(--color-error);
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.auth__errors h2 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.auth__errors ul {
  margin: 0;
  padding-left: 18px;
}

.auth__errors li {
  margin-bottom: 2px;
}

/* Form fields */
.auth__field {
  margin-bottom: 20px;
}

.auth__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.auth__label-hint {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

.auth__input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s;
  background: var(--color-bg);
  color: var(--color-text);
}

.auth__input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.1);
}

.auth__hint {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Checkbox */
.auth__checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.auth__checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.auth__checkbox label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  cursor: pointer;
}

/* Submit button */
.auth__submit {
  width: 100%;
  padding: 12px 20px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.auth__submit:hover {
  background: var(--color-primary-dark);
}

/* Links */
.auth__links {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: center;
}

.auth__links a {
  font-size: 0.9rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s;
}

.auth__links a:hover {
  color: var(--color-primary-dark);
}

/* Danger zone (account cancellation) */
.auth__danger {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.auth__danger h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-error);
  margin-bottom: 8px;
}

.auth__danger p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.auth__danger-btn {
  padding: 8px 16px;
  background: #fef2f2;
  color: var(--color-error);
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.auth__danger-btn:hover {
  background: #fee2e2;
}

.auth__back {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.auth__back:hover {
  color: var(--color-primary-dark);
}

/* Responsive */
@media (max-width: 480px) {
  .auth__card {
    padding: 28px 20px;
  }
}