.pifster-donation-modal .c-modal__dialog {
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: 0 22px 45px rgba(15, 23, 42, 0.75);
  color: #e5e7eb;
  /* Viewport-aware scrolling: constrain to 90vh and use flexbox for sticky footer */
  max-height: 90vh;
  max-height: 90dvh; /* Modern browsers: accounts for mobile address bar */
  display: flex;
  flex-direction: column;
  overflow: hidden; /* Prevent dialog-level scroll; content area scrolls instead */
}

.pifster-donation-modal__header {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
  flex-shrink: 0; /* Header never shrinks */
}

.pifster-donation-modal .c-modal__title {
  margin: 0;
  font-size: 1.6rem;
  line-height: 1.25;
  color: #ffffff;
  background: transparent;
}

.pifster-donation-modal__pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(34, 197, 94, 0.12);
  color: #bbf7d0;
}

/* Shimmer effect for badge text changes (left to right) */
@keyframes pifster-shimmer {
  0% {
    background-position: 100% center;
  }
  100% {
    background-position: -100% center;
  }
}

.pifster-donation-modal__pill.is-shimmering {
  background: linear-gradient(
    90deg,
    rgba(34, 197, 94, 0.12) 0%,
    rgba(34, 197, 94, 0.12) 40%,
    rgba(187, 247, 208, 0.35) 50%,
    rgba(34, 197, 94, 0.12) 60%,
    rgba(34, 197, 94, 0.12) 100%
  );
  background-size: 200% 100%;
  background-position: 100% center;
  animation: pifster-shimmer 2.5s ease-in-out 0s 2;
}

.pifster-donation-modal__subtitle {
  margin: 0;
  font-size: 0.95rem;
  color: #e5e7eb;
}

.pifster-donation-modal__content {
  display: grid;
  gap: 18px;
  /* Scrollable content area: grows to fill space, scrolls when needed */
  flex: 1 1 auto;
  overflow-y: auto;
  min-height: 0; /* Critical flexbox fix: allows content to shrink below natural height */
}

.pifster-donation-modal__amount {
  display: grid;
  gap: 10px;
}

.pifster-donation-modal__equivalent {
  margin: 0;
  font-size: 0.85rem;
  color: #9ca3af;
}

.pifster-donation-modal__amount-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.pifster-donation-modal__custom-hint {
  font-size: 0.8rem;
  font-style: italic;
  color: #22c55e;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  white-space: nowrap;
  margin-left: auto;
}

.pifster-donation-modal__custom-hint.is-visible {
  opacity: 1;
}

.pifster-donation-modal__amount-label {
  font-size: 1rem;
  font-weight: 500;
  color: #e5e7eb;
}

.pifster-donation-modal__amount-inputs {
  flex: 1;
  display: grid;
  gap: 6px;
}

#pifster-donation-amount-range {
  width: 100%;
  margin: 4px 0 10px;
}

.pifster-donation-modal__amount-number {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.pifster-donation-modal__currency {
  font-size: 1.1rem;
  color: #9ca3af;
}

#pifster-donation-amount-input {
  width: 90px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.85);
  color: #e5e7eb;
}

.pifster-donation-modal__bonus {
  margin-top: 6px;
  font-size: 0.9rem;
  color: #d1fae5;
}

/* Radio selector for donation type */
.pifster-donation-modal__type-selector {
  display: grid;
  gap: 8px;
  margin-bottom: 4px;
}

.pifster-donation-modal__type-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.5);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.pifster-donation-modal__type-option:hover {
  border-color: rgba(148, 163, 184, 0.7);
  background: rgba(15, 23, 42, 0.7);
}

.pifster-donation-modal__type-option.is-selected {
  border-color: #22c55e;
  background: rgba(34, 197, 94, 0.1);
}

.pifster-donation-modal__type-option input[type="radio"] {
  accent-color: #22c55e;
  width: 16px;
  height: 16px;
  margin: 0;
}

.pifster-donation-modal__type-label {
  flex: 1;
  font-size: 0.9rem;
  color: #e5e7eb;
}

.pifster-donation-modal__type-badge {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(34, 197, 94, 0.2);
  color: #86efac;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pifster-donation-modal__type-selector.is-hidden {
  display: none;
}

.pifster-donation-modal__frequency {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.pifster-donation-modal__frequency-hint {
  margin-top: 4px;
  font-size: 0.8rem;
  color: #9ca3af;
}

.pifster-donation-modal__frequency.is-hidden {
  display: none;
}

.pifster-donation-modal__freq {
  flex: 1;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  padding: 6px 10px;
  font-size: 0.85rem;
  background: transparent;
  color: #e5e7eb;
  cursor: pointer;
}

.pifster-donation-modal__freq.is-active {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: white;
  border-color: transparent;
}

.pifster-donation-modal__fee {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.85rem;
  color: #e5e7eb;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: rgba(15, 23, 42, 0.85);
}

.pifster-donation-modal__fee input[type="checkbox"] {
  margin-top: 2px;
}

.pifster-donation-modal__fee--informational {
  display: block;
  font-weight: 500;
  line-height: 1.4;
}

.pifster-donation-modal__fee--informational input[type="checkbox"] {
  display: none;
}

/* Gift checkbox - styled similar to fee checkbox */
.pifster-donation-modal__gift {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.85rem;
  color: #e5e7eb;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(251, 191, 36, 0.5);
  background: rgba(251, 191, 36, 0.08);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.pifster-donation-modal__gift:hover {
  border-color: rgba(251, 191, 36, 0.8);
  background: rgba(251, 191, 36, 0.12);
}

.pifster-donation-modal__gift input[type="checkbox"] {
  margin-top: 2px;
  accent-color: #fbbf24;
}

.pifster-donation-modal__gift.is-hidden {
  display: none;
}

.is-hidden {
  display: none !important;
}

.pifster-donation-modal__actions {
  display: grid;
  gap: 8px;
  margin-top: 4px;
  /* Sticky footer: always visible, never scrolls away */
  flex-shrink: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  background: inherit; /* Maintain visual continuity */
}

.pifster-donation-modal__corporate-fields {
  display: grid;
  gap: 12px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: rgba(15, 23, 42, 0.55);
}

.pifster-donation-modal__field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pifster-donation-modal__field-label {
  font-size: 0.85rem;
  color: #cbd5f5;
  font-weight: 600;
}

.pifster-donation-modal__field-label .required {
  color: #f97316;
}

.pifster-donation-modal__field-input {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.6);
  background: rgba(15, 23, 42, 0.85);
  color: #f1f5f9;
  padding: 10px 12px;
  font-size: 1rem;
}

.pifster-donation-modal__field-input:focus {
  outline: 2px solid rgba(56, 189, 248, 0.65);
  border-color: rgba(56, 189, 248, 0.8);
}

.pifster-donation-modal__total-display {
  margin: 4px 0 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: #f8fafc;
}

/* -------------------------------------------------------------------------
   Corporate Sponsorship Trigger Button
   ------------------------------------------------------------------------- */

button[data-pifster-corporate] {
  font-family: 'Space Grotesk', 'Poppins', sans-serif;
  font-size: 1.15rem;
  letter-spacing: 0.015em;
  padding: 0.85rem 2.75rem;
  border-radius: 999px;
  border: none;
  color: #052944;
  background: linear-gradient(135deg, #ffdd57, #ffc531);
  box-shadow: 0 12px 25px rgba(255, 197, 49, 0.35);
  cursor: pointer;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

button[data-pifster-corporate]:hover {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 18px 35px rgba(255, 197, 49, 0.4);
  background: linear-gradient(135deg, #ffe36f, #ffbe1f);
}

button[data-pifster-corporate]:focus-visible {
  outline: 3px solid #0f7ae5;
  outline-offset: 3px;
}

button[data-pifster-corporate]:active {
  transform: translateY(1px) scale(0.995);
  box-shadow: 0 10px 18px rgba(255, 197, 49, 0.25);
}

#pifster-donation-status {
  margin-top: 10px;
  font-size: 0.8rem;
  color: #fbbf24;
}

@media (max-width: 768px) {
  .pifster-donation-modal .c-modal__dialog {
    width: calc(100% - 24px);
    padding: 18px 16px;
    border-radius: 16px;
  }

  /* Reorder amount section: value input above slider so finger doesn't obscure it */
  .pifster-donation-modal__amount {
    display: flex;
    flex-direction: column;
  }

  .pifster-donation-modal__amount-row {
    order: -1; /* Move above slider */
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 8px;
  }

  #pifster-donation-amount-range {
    order: 0;
    margin: 0;
  }

  .pifster-donation-modal__amount-number {
    justify-content: flex-start;
  }

  .pifster-donation-modal__equivalent {
    order: 1;
  }

  .pifster-donation-modal__frequency {
    flex-direction: column;
  }

  .pifster-donation-modal__corporate-fields {
    padding: 12px;
    gap: 10px;
  }
}