/* ============================================================
   Heart520 Forms — Public / Frontend Styles
   ============================================================ */

:root {
  --haf-primary:    #2271b1;
  --haf-primary-h:  #135e96;
  --haf-danger:     #d63638;
  --haf-success:    #00a32a;
  --haf-border:     #dcdcde;
  --haf-radius:     6px;
  --haf-transition: .15s ease;
}

/* ---------- Wrapper ---------- */
.haf-form-wrap {
  max-width: 680px;
  margin: 0 auto;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  color: #1d2327;
}

/* ---------- Success ---------- */
.haf-success-msg {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-left: 4px solid var(--haf-success);
  border-radius: var(--haf-radius);
  padding: 18px 22px;
  color: #166534;
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- Field groups ---------- */
.haf-field-wrap {
  margin-bottom: 20px;
}

.haf-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #1d2327;
}

.haf-required {
  color: var(--haf-danger);
  margin-left: 3px;
}

.haf-field-desc {
  font-size: 13px;
  color: #646970;
  margin: 0 0 6px;
}

/* ---------- Inputs ---------- */
.haf-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--haf-border);
  border-radius: var(--haf-radius);
  font-size: 15px;
  color: #1d2327;
  background: #fff;
  box-sizing: border-box;
  transition: border-color var(--haf-transition), box-shadow var(--haf-transition);
  appearance: none;
  -webkit-appearance: none;
}

.haf-input:focus {
  border-color: var(--haf-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(34,113,177,.12);
}

.haf-input.haf-has-error {
  border-color: var(--haf-danger);
  box-shadow: 0 0 0 3px rgba(214,54,56,.1);
}

textarea.haf-input {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

select.haf-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%23646970' d='M8 10.94L2.53 5.47l.94-.94L8 9.06l4.53-4.53.94.94z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 38px;
}

/* File input */
.haf-file {
  padding: 8px;
  cursor: pointer;
}

/* ---------- Radio / Checkbox ---------- */
.haf-choice-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--haf-border);
  border-radius: var(--haf-radius);
  margin-bottom: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: background var(--haf-transition), border-color var(--haf-transition);
}

.haf-choice-label:hover {
  background: #f6f7f7;
  border-color: #8c8f94;
}

.haf-choice-label input[type="radio"],
.haf-choice-label input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--haf-primary);
}

/* ---------- Section / HTML ---------- */
.haf-section-title {
  font-size: 17px;
  font-weight: 700;
  color: #1d2327;
  margin: 28px 0 4px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--haf-border);
}

/* ---------- Error messages ---------- */
.haf-field-error {
  display: block;
  font-size: 12px;
  color: var(--haf-danger);
  margin-top: 5px;
  font-weight: 500;
}

.haf-error-msg {
  background: #fff5f5;
  border: 1px solid #fecaca;
  border-left: 4px solid var(--haf-danger);
  border-radius: var(--haf-radius);
  padding: 12px 16px;
  color: var(--haf-danger);
  font-size: 14px;
  margin-top: 12px;
}

/* ---------- Submit button ---------- */
.haf-submit-row {
  margin-top: 24px;
}

.haf-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  background: var(--haf-primary);
  color: #fff;
  border: none;
  border-radius: var(--haf-radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--haf-transition), transform var(--haf-transition);
  letter-spacing: .3px;
}

.haf-submit-btn:hover:not(:disabled) {
  background: var(--haf-primary-h);
  transform: translateY(-1px);
}

.haf-submit-btn:disabled {
  opacity: .65;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Spinner ---------- */
.haf-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: haf-spin .6s linear infinite;
}

@keyframes haf-spin {
  to { transform: rotate(360deg); }
}

/* ---------- Conditional hidden ---------- */
.haf-field-wrap[data-hidden="1"] {
  display: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .haf-form-wrap { font-size: 14px; }
  .haf-input { font-size: 14px; padding: 9px 12px; }
  .haf-submit-btn { width: 100%; justify-content: center; padding: 13px; }
}