/* ==========================================================================
   Donor registration modal — multi-step "Sponsor" popup form
   ========================================================================== */

.donor-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 21, 38, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  z-index: 1000;
}
.donor-modal-overlay.is-open { display: flex; }

.donor-modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-4);
  position: relative;
  box-shadow: var(--shadow-md);
}

.donor-modal__close {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: none;
  border: none;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0.25rem;
}
.donor-modal__close:hover { color: var(--color-oxblood); }

.donor-modal h3 { margin-bottom: 0.35rem; }
.donor-modal__intro { color: var(--color-text-muted); margin-bottom: var(--space-3); }

/* Step progress indicator */
.donor-modal__progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-bottom: var(--space-4);
}
.donor-modal__step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  border: 2px solid var(--color-border);
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}
.donor-modal__step-dot.is-active {
  background: var(--color-coral);
  border-color: var(--color-coral);
  color: var(--color-white);
}
.donor-modal__step-dot.is-complete {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}
.donor-modal__step-line {
  width: 36px;
  height: 2px;
  background: var(--color-border);
}

/* Panels */
.donor-modal__panel { display: none; }
.donor-modal__panel.is-active { display: block; }

.donor-modal__radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.4rem;
}
.donor-modal__radio {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
}
.donor-modal__radio input { width: 16px; height: 16px; }

.donor-modal__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

@media (max-width: 480px) {
  .donor-modal { padding: var(--space-3); }
  .donor-modal__actions { flex-direction: column-reverse; align-items: stretch; }
  .donor-modal__actions .btn { width: 100%; }
}