/* Forms, Multi-step Wizard & Input Layouts */

.form-wizard {
  max-width: 720px;
  margin: 0 auto;
  background-color: var(--color-warm-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-premium);
}

.wizard-progress {
  height: 6px;
  background-color: rgba(23, 33, 31, 0.08);
  border-radius: var(--border-radius-pill);
  margin-bottom: var(--space-6);
  overflow: hidden;
}

.wizard-progress__fill {
  height: 100%;
  background-color: var(--color-teal);
  transition: width 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.wizard-step {
  display: none;
}

.wizard-step--active {
  display: block;
}

.wizard-step__title {
  font-family: var(--font-family-serif);
  font-size: var(--font-xl);
  color: var(--color-deep-green);
  margin-bottom: var(--space-4);
}

/* Custom Grid Selection Inputs */
.form-selection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.selection-card {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-4);
  cursor: pointer;
  background-color: var(--color-warm-white);
  transition: var(--transition-fast);
  text-align: center;
}

.selection-card:hover {
  border-color: var(--color-teal);
  background-color: rgba(25, 83, 76, 0.02);
}

.selection-card--selected {
  border-color: var(--color-gold);
  background-color: rgba(197, 146, 63, 0.06);
  box-shadow: 0 0 0 3px rgba(197, 146, 63, 0.15);
}

.selection-card__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.selection-card__label {
  display: block;
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
}

/* Validation Styling */
.is-invalid {
  border-color: var(--color-error) !important;
}

.invalid-feedback {
  color: var(--color-error);
  font-size: var(--font-xs);
  font-weight: 500;
  margin-top: var(--space-1);
}

.error-summary {
  background-color: rgba(168, 70, 60, 0.08);
  border-left: 4px solid var(--color-error);
  padding: var(--space-4);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--space-5);
}

.error-summary__title {
  font-family: var(--font-family-sans);
  font-weight: 700;
  color: var(--color-error);
  font-size: var(--font-sm);
  margin-bottom: var(--space-2);
}

.error-summary__list {
  list-style: none;
  font-size: var(--font-xs);
  color: var(--color-ink);
}

/* Form Footer Navigation */
.wizard-footer {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
  margin-top: var(--space-5);
}

/* Loading & Submission indicators */
.form-spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  vertical-align: text-bottom;
  border: 0.2em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner-border .75s linear infinite;
}

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