/**
 * Anchor Co-op Phase 2: Form Enhancements
 * Enhanced form styling, spinners, and validation feedback
 */

/* ─────────────────────────────────────────────────────────────────── */
/* LOADING SPINNER ANIMATION */
/* ─────────────────────────────────────────────────────────────────── */

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
  margin-right: 0.5rem;
}

.loading-text {
  display: inline;
}

/* Loading state for buttons */
.btn.loading {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn.loading:disabled {
  opacity: 1;
  cursor: wait;
}

/* ─────────────────────────────────────────────────────────────────── */
/* FORM INPUT TEXT & PLACEHOLDER                                      */
/* ─────────────────────────────────────────────────────────────────── */

.form-input,
.form-select,
.form-textarea {
  color: #333;
}

.form-input::placeholder,
.form-select::placeholder,
.form-textarea::placeholder {
  color: rgba(22, 43, 68, 0.45);
  opacity: 1;
}

/* ─────────────────────────────────────────────────────────────────── */
/* FORM FIELD ERROR STATES */
/* ─────────────────────────────────────────────────────────────────── */

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: #dc2626;
  background-color: #fef2f2;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  border-color: #dc2626;
  outline-color: #dc2626;
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

/* Error message styling */
.error-message {
  display: none;
  color: #dc2626;
  font-size: 0.8125rem;
  margin-top: 0.5rem;
  padding: 0.25rem 0;
  font-weight: 500;
  animation: slideDown 0.2s ease-out;
}

.error-message.visible {
  display: block;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Field validation indicators */
.form-group {
  position: relative;
}

.form-group.validated .form-input,
.form-group.validated .form-select,
.form-group.validated .form-textarea {
  border-color: #16a34a;
}

.form-group.validated .form-input::placeholder,
.form-group.validated .form-select::placeholder,
.form-group.validated .form-textarea::placeholder {
  color: #86efac;
}

/* ─────────────────────────────────────────────────────────────────── */
/* SUCCESS MESSAGE CARD */
/* ─────────────────────────────────────────────────────────────────── */

.success-card {
  display: none;
  background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
  border: 2px solid #86efac;
  border-radius: 1rem;
  padding: 3rem 2rem;
  text-align: center;
  margin: 2rem 0;
  animation: slideUp 0.4s ease-out;
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.15);
}

.success-card.visible {
  display: block;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.success-anchor {
  display: block;
  width: 64px;
  height: 64px;
  background: #dcfce7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: #16a34a;
}

.success-anchor svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
}

.success-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.75rem;
  color: #16a34a;
  margin: 1rem 0 0.5rem;
  font-weight: 600;
}

.success-message {
  color: #4d7c0f;
  font-size: 1rem;
  margin: 0.5rem 0 0;
  line-height: 1.6;
}

/* ─────────────────────────────────────────────────────────────────── */
/* SUBMIT ERROR MESSAGE */
/* ─────────────────────────────────────────────────────────────────── */

.submit-error {
  display: none;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 0.5rem;
  color: #dc2626;
  padding: 1rem 1.25rem;
  margin-top: 1.25rem;
  font-size: 0.9375rem;
  animation: slideDown 0.3s ease-out;
}

.submit-error.visible {
  display: block;
}

.submit-error a {
  color: #dc2626;
  font-weight: 600;
  text-decoration: underline;
}

.submit-error a:hover {
  color: #991b1b;
}

/* ─────────────────────────────────────────────────────────────────── */
/* FORM LABELS WITH REQUIRED INDICATOR */
/* ─────────────────────────────────────────────────────────────────── */

.form-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-label .required {
  color: #dc2626;
  font-weight: 700;
  font-size: 1.1em;
}

/* ─────────────────────────────────────────────────────────────────── */
/* FORM ROW ENHANCEMENTS */
/* ─────────────────────────────────────────────────────────────────── */

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ─────────────────────────────────────────────────────────────────── */
/* CHECKBOX AND RADIO ENHANCEMENTS */
/* ─────────────────────────────────────────────────────────────────── */

.checkbox-group,
.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.75rem;
}

.checkbox-item,
.radio-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  cursor: pointer;
}

.checkbox-item input[type="checkbox"],
.radio-option input[type="radio"] {
  cursor: pointer;
  accent-color: var(--gold);
}

.checkbox-item label,
.radio-option label {
  cursor: pointer;
  color: var(--text);
  font-size: 0.95rem;
}

/* ─────────────────────────────────────────────────────────────────── */
/* FORM BUTTON ENHANCEMENTS */
/* ─────────────────────────────────────────────────────────────────── */

.btn-submit {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-submit:not(:disabled):active {
  transform: scale(0.98);
}

.btn-submit:disabled {
  cursor: not-allowed;
  opacity: 0.85;
}

.btn-submit.loading {
  pointer-events: none;
}

/* ─────────────────────────────────────────────────────────────────── */
/* TURNSTILE WIDGET STYLING */
/* ─────────────────────────────────────────────────────────────────── */

.turnstile-wrapper {
  display: flex;
  justify-content: center;
  margin: 1.5rem 0;
  padding: 1rem;
  background: var(--off-white);
  border-radius: 0.5rem;
  border: 1px solid var(--gold-light);
}

/* Ensure Turnstile widget is responsive */
iframe[src*="challenges.cloudflare.com"] {
  max-width: 100%;
}

/* ─────────────────────────────────────────────────────────────────── */
/* FORM LAYOUT IMPROVEMENTS */
/* ─────────────────────────────────────────────────────────────────── */

.form-section {
  max-width: 800px;
  margin: 0 auto;
}

.form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.form-actions .btn {
  flex: 1;
  min-width: 160px;
}

@media (max-width: 600px) {
  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
  }
}

/* ─────────────────────────────────────────────────────────────────── */
/* FORM HELP TEXT */
/* ─────────────────────────────────────────────────────────────────── */

.form-help {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-style: italic;
}

.form-group.error .form-help {
  display: none;
}

/* ─────────────────────────────────────────────────────────────────── */
/* FIELD FOCUS STATE IMPROVEMENTS */
/* ─────────────────────────────────────────────────────────────────── */

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  box-shadow: 0 0 0 3px rgba(200, 155, 43, 0.1);
}

/* ─────────────────────────────────────────────────────────────────── */
/* ACCESSIBILITY IMPROVEMENTS */
/* ─────────────────────────────────────────────────────────────────── */

.form-input[aria-invalid="true"],
.form-select[aria-invalid="true"],
.form-textarea[aria-invalid="true"] {
  border-color: #dc2626;
}

/* Focus visible state for keyboard navigation */
.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

/* ─────────────────────────────────────────────────────────────────── */
/* RESPONSIVE FORM ADJUSTMENTS */
/* ─────────────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px;
    /* Prevents zoom on iOS */
    padding: 1rem;
    min-height: 44px;
  }

  .form-label {
    font-size: 1rem;
    margin-bottom: 0.75rem;
  }

  .form-group {
    margin-bottom: 1.75rem;
  }

  .btn-submit {
    padding: 1.125rem 2rem;
    font-size: 1rem;
    width: 100%;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ─────────────────────────────────────────────────────────────────── */
/* DARK MODE SUPPORT (future enhancement) */
/* ─────────────────────────────────────────────────────────────────── */

@media (prefers-color-scheme: dark) {
  .form-input,
  .form-select,
  .form-textarea {
    background-color: #1f2937;
    color: #f3f4f6;
    border-color: #4b5563;
  }

  .form-input::placeholder,
  .form-select::placeholder,
  .form-textarea::placeholder {
    color: #9ca3af;
  }

  .error-message {
    color: #fca5a5;
  }

  .form-input.error,
  .form-select.error,
  .form-textarea.error {
    background-color: #7f1d1d;
    border-color: #fca5a5;
  }

  .success-card {
    background: #064e3b;
    border-color: #10b981;
  }

  .success-title {
    color: #6ee7b7;
  }

  .success-message {
    color: #a7f3d0;
  }
}