/**
 * Global form validation states.
 * Layout, modal chrome, and controls live in the shared component/card layers.
 */

/* Invalid form control styling */
.form-control.is-invalid,
.form-select.is-invalid {
  border-color: var(--color-danger);
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--color-danger) 24%, transparent);
}

/* Error message styling */
.invalid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875em;
  color: var(--color-danger);
  font-weight: 500;
  line-height: 1.5;
}

.form-control.is-invalid ~ .invalid-feedback,
.form-select.is-invalid ~ .invalid-feedback,
.form-check-input.is-invalid ~ .invalid-feedback,
.was-validated .form-control:invalid ~ .invalid-feedback,
.was-validated .form-select:invalid ~ .invalid-feedback,
.was-validated .form-check-input:invalid ~ .invalid-feedback,
.invalid-feedback.d-block,
.invalid-feedback.is-visible {
  display: block;
}

.invalid-feedback i {
  margin-right: 0.25rem;
}

/* Valid form control styling */
.form-control.is-valid,
.form-select.is-valid {
  border-color: var(--color-success);
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.form-control.is-valid:focus,
.form-select.is-valid:focus {
  border-color: var(--color-success);
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--color-success) 24%, transparent);
}

.valid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.875em;
  color: var(--color-success);
  font-weight: 500;
}

.form-control.is-valid ~ .valid-feedback,
.form-select.is-valid ~ .valid-feedback,
.form-check-input.is-valid ~ .valid-feedback,
.was-validated .form-control:valid ~ .valid-feedback,
.was-validated .form-select:valid ~ .valid-feedback,
.was-validated .form-check-input:valid ~ .valid-feedback,
.valid-feedback.d-block,
.valid-feedback.is-visible {
  display: block;
}

/* Error summary (if needed) */
.form-error-summary {
  background-color: var(--color-danger-light);
  border: 1px solid var(--color-danger);
  border-radius: var(--card-border-radius);
  padding: 1rem;
  margin-bottom: 1.5rem;
  color: var(--color-danger-dark);
}

.form-error-summary h5 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-danger-dark);
}

.form-error-summary ul {
  margin-bottom: 0;
  padding-left: 1.5rem;
}

.form-error-summary li {
  margin-bottom: 0.25rem;
}

/* Non-field errors (general form errors) */
.non-field-errors {
  background-color: var(--color-danger-light);
  border: 1px solid var(--color-danger);
  border-radius: var(--card-border-radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  color: var(--color-danger-dark);
}

.non-field-errors ul {
  margin-bottom: 0;
  padding-left: 1.25rem;
  list-style: none;
}

.non-field-errors li {
  position: relative;
  padding-left: 1.5rem;
}

.non-field-errors li:before {
  content: "\f06a";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--color-danger);
}

/* Shake animation for invalid submission */
@keyframes form-validation-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  10%,
  30%,
  50%,
  70%,
  90% {
    transform: translateX(-5px);
  }
  20%,
  40%,
  60%,
  80% {
    transform: translateX(5px);
  }
}

.form-shake {
  animation: form-validation-shake 0.5s;
}

/* Pulse animation for error icon */
@keyframes form-validation-pulse-error {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
  100% {
    opacity: 1;
  }
}

.is-invalid {
  animation: form-validation-pulse-error 1s ease-in-out 1;
}

/* Required field indicator */
.required-field-indicator {
  color: var(--color-danger);
  margin-left: 0.25rem;
  font-weight: 600;
}

/* Help text styling */
.form-text {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.875em;
  color: var(--text-muted);
}

.form-text i {
  margin-right: 0.25rem;
}

/* Loading state for form submission */
.form-submitting .btn[type="submit"],
.form-submitting .btn-primary {
  position: relative;
  pointer-events: none;
  opacity: 0.65;
}

.form-submitting .btn[type="submit"]:after,
.form-submitting .btn-primary:after {
  content: "";
  position: absolute;
  width: 1rem;
  height: 1rem;
  top: 50%;
  left: 50%;
  margin-left: -0.5rem;
  margin-top: -0.5rem;
  border: 2px solid #fff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
  to {
    transform: rotate(360deg);
  }
}

/* Responsive adjustments */
@media (max-width: 576px) {
  .invalid-feedback,
  .valid-feedback {
    font-size: 0.8125em;
  }

  .form-error-summary {
    padding: 0.75rem;
    font-size: 0.875rem;
  }
}