/* =============================================
   SIGHTBRIDGE — Donation Form Module
   donation.css
   ============================================= */

/* ---------- FORM CONTAINER ---------- */
.donate-form-section {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-md);
  max-width: 680px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}
.donate-form-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--blue-700), var(--blue-500), var(--cyan));
}
.donate-form-section h3 {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.7rem;
  color: var(--gray-900);
  margin-bottom: .5rem;
  letter-spacing: -0.02em;
}
.donate-form-subtitle {
  font-size: .92rem;
  color: var(--gray-600);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* ---------- FREQUENCY TOGGLE ---------- */
.donation-frequency-toggle {
  display: flex;
  background: var(--gray-100);
  border-radius: var(--radius-full);
  padding: 4px;
  margin-bottom: 2rem;
  position: relative;
  border: 1px solid var(--gray-200);
}
.freq-option {
  flex: 1;
  padding: 11px 20px;
  text-align: center;
  font-size: .92rem;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: color var(--transition);
  position: relative;
  z-index: 2;
  user-select: none;
}
.freq-option.active {
  color: var(--white);
}
.freq-slider {
  position: absolute;
  top: 4px;
  left: 4px;
  width: calc(50% - 4px);
  height: calc(100% - 8px);
  background: var(--blue-700);
  border-radius: var(--radius-full);
  transition: transform var(--transition);
  z-index: 1;
  box-shadow: 0 2px 8px rgba(0, 74, 153, 0.3);
}
.freq-slider.monthly {
  transform: translateX(100%);
}

/* ---------- AMOUNT SELECTOR ---------- */
.donation-amount-section {
  margin-bottom: 2rem;
}
.donation-amount-label {
  font-size: .85rem;
  font-weight: 700;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: .75rem;
  display: block;
}
.amount-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: .625rem;
}
.amount-btn {
  padding: 14px 8px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--white);
  font-size: 1rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  color: var(--gray-800);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  position: relative;
}
.amount-btn:hover {
  border-color: var(--blue-400);
  background: var(--blue-50);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 74, 153, 0.12);
}
.amount-btn.active {
  border-color: var(--blue-700);
  background: var(--blue-700);
  color: var(--white);
  box-shadow: var(--shadow-blue);
  transform: translateY(-2px);
}
.amount-btn.active:hover {
  background: var(--blue-800);
  border-color: var(--blue-800);
}

/* Custom Amount */
.custom-amount-wrap {
  margin-top: .75rem;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height .4s ease, opacity .3s ease, margin .3s ease;
}
.custom-amount-wrap.visible {
  max-height: 80px;
  opacity: 1;
}
.custom-amount-inner {
  position: relative;
}
.custom-amount-inner .currency-symbol {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-500, #6b7280);
  pointer-events: none;
}
.custom-amount-inner input {
  width: 100%;
  padding: 14px 16px 14px 34px;
  border: 2px solid var(--blue-200, #bfdbfe);
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  font-family: 'Inter', sans-serif;
  background: var(--blue-50);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.custom-amount-inner input:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 4px rgba(0, 96, 204, 0.12);
  background: var(--white);
}
.custom-amount-inner input::placeholder {
  color: var(--gray-400);
  font-weight: 500;
}

/* ---------- FORM FIELDS ---------- */
.donation-fields {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.donation-fields .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.donation-fields .form-group {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.donation-fields .form-group.full-width {
  grid-column: 1 / -1;
}
.donation-fields label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-700);
}
.donation-fields label .optional-tag {
  font-weight: 400;
  color: var(--gray-400);
  font-size: .8rem;
}
.donation-fields input,
.donation-fields textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: .95rem;
  color: var(--gray-900);
  font-family: 'Inter', sans-serif;
  background: var(--gray-50);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  width: 100%;
}
.donation-fields textarea {
  resize: vertical;
  min-height: 80px;
  max-height: 160px;
}
.donation-fields input:focus,
.donation-fields textarea:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(0, 96, 204, 0.12);
  background: var(--white);
}
.donation-fields input::placeholder,
.donation-fields textarea::placeholder {
  color: var(--gray-400);
}

/* Validation errors */
.form-group.has-error input,
.form-group.has-error textarea {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}
.field-error {
  font-size: .78rem;
  color: #ef4444;
  font-weight: 500;
  display: none;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
}
.field-error svg {
  flex-shrink: 0;
}
.form-group.has-error .field-error {
  display: flex;
}

/* ---------- PAYMENT SECTION ---------- */
.payment-section {
  margin-bottom: 2rem;
}
.payment-section-label {
  font-size: .85rem;
  font-weight: 700;
  color: var(--gray-700);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: .75rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.payment-section-label svg {
  color: var(--blue-600);
}
/* Stripe Card Element container */
.stripe-card-wrap {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: var(--gray-50);
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.stripe-card-wrap:focus-within,
.stripe-card-wrap.StripeElement--focus {
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(0, 96, 204, 0.12);
  background: var(--white);
}
.stripe-card-wrap.StripeElement--invalid,
.stripe-card-wrap.has-error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}
#card-element {
  min-height: 24px;
}
.payment-error {
  font-size: .78rem;
  color: #ef4444;
  font-weight: 500;
  margin-top: 6px;
  display: none;
}
.payment-error.visible {
  display: block;
}
.powered-by-stripe {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: .76rem;
  color: var(--gray-400);
  font-weight: 500;
}
.powered-by-stripe svg {
  opacity: .6;
}

/* ---------- DONATION SUMMARY ---------- */
.donation-summary {
  background: linear-gradient(135deg, var(--blue-50) 0%, #f0f7ff 100%);
  border: 1px solid var(--blue-100);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.summary-label {
  font-size: .88rem;
  color: var(--gray-600);
  font-weight: 500;
}
.summary-label .summary-freq {
  color: var(--blue-700);
  font-weight: 600;
}
.summary-amount {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--blue-700);
  letter-spacing: -0.03em;
}

/* ---------- SUBMIT BUTTON ---------- */
.donate-submit-btn {
  width: 100%;
  padding: 16px 28px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--blue-700);
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--transition);
  box-shadow: var(--shadow-blue);
  position: relative;
  overflow: hidden;
}
.donate-submit-btn:hover:not(:disabled) {
  background: var(--blue-800);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 74, 153, 0.35);
}
.donate-submit-btn:active:not(:disabled) {
  transform: translateY(0);
}
.donate-submit-btn:disabled {
  opacity: .7;
  cursor: not-allowed;
}
.donate-submit-btn .btn-text {
  transition: opacity .2s ease;
}
.donate-submit-btn .btn-spinner {
  display: none;
  width: 22px;
  height: 22px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.donate-submit-btn.loading .btn-text {
  opacity: 0;
}
.donate-submit-btn.loading .btn-spinner {
  display: block;
  position: absolute;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---------- FORM NOTE ---------- */
.donate-form-note {
  font-size: .8rem;
  color: var(--gray-500, #6b7280);
  text-align: center;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.donate-form-note svg {
  color: var(--blue-600);
  flex-shrink: 0;
}

/* ---------- SUCCESS STATE ---------- */
.donation-success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 3rem 2rem;
  min-height: 400px;
}
.donation-success.visible {
  display: flex;
}
.donation-form-content.hidden {
  display: none;
}
.success-checkmark {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #10b981, #059669);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  animation: scaleIn .5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: 0 8px 32px rgba(16, 185, 129, 0.3);
}
.success-checkmark svg {
  width: 40px;
  height: 40px;
  color: var(--white);
  stroke-width: 3;
  animation: drawCheck .4s .3s ease forwards;
  stroke-dasharray: 60;
  stroke-dashoffset: 60;
}
@keyframes scaleIn {
  from { transform: scale(0); }
  to { transform: scale(1); }
}
@keyframes drawCheck {
  to { stroke-dashoffset: 0; }
}
.success-title {
  font-family: 'DM Serif Display', Georgia, serif;
  font-size: 1.6rem;
  color: var(--gray-900);
  margin-bottom: .5rem;
}
.success-message {
  font-size: .95rem;
  color: var(--gray-600);
  line-height: 1.7;
  max-width: 380px;
  margin-bottom: 2rem;
}
.success-amount-display {
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--blue-700);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}
.donate-again-btn {
  padding: 12px 28px;
  border: 2px solid var(--blue-100);
  border-radius: var(--radius-full);
  background: var(--blue-50);
  color: var(--blue-700);
  font-size: .92rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all var(--transition);
}
.donate-again-btn:hover {
  background: var(--blue-700);
  color: var(--white);
  border-color: var(--blue-700);
  transform: translateY(-2px);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .amount-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .donate-form-section {
    padding: 2rem 1.5rem;
    border-radius: var(--radius-lg);
  }
  .amount-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .donation-fields .form-row {
    grid-template-columns: 1fr;
  }
  .donation-summary {
    flex-direction: column;
    text-align: center;
  }
  .donate-form-section h3 {
    font-size: 1.4rem;
  }
}

@media (max-width: 420px) {
  .amount-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .donate-form-section {
    padding: 1.5rem 1.25rem;
  }
}