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/* ===== modal.css - 弹窗样式 ===== */

/* ---- Overlay ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* ---- Modal Box ---- */
.modal {
  position: relative;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 680px;
  overflow: hidden;
  transform: scale(0.95) translateY(-10px);
  transition: transform var(--transition-base);
}

.modal-overlay.is-open .modal {
  transform: scale(1) translateY(0);
}

/* ---- Header ----
   紫色 + 青色组合（Mystic Purple → Innovative Cyan），明亮且品牌感强 */
.modal__header {
  background: linear-gradient(135deg, #7C35FF 0%, #4B7BE5 55%, #08E6F5 100%);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal__title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.modal__subtitle {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.modal__close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: background var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}

.modal__close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

/* ---- Body ---- */
.modal__body {
  background: #fff;
  padding: 24px;
  max-height: 80vh;
  overflow-y: auto;
}

@media (max-width: 640px) {
  .modal__body {
    padding: 16px;
  }
}

/* ---- Form ---- */
.modal__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* hidden 属性需显式覆盖 display:flex，否则 JS 设置 form.hidden=true 不生效 */
.modal__form[hidden] { display: none; }

.modal__form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 540px) {
  .modal__form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.modal__form-row .form-group {
  margin-bottom: 0;
}

/* 验证码按钮 */
.modal__code-btn {
  padding: 0 12px;
  height: 40px;
  font-size: 0.875rem;
  color: var(--color-mystic-purple, #7C35FF);
  border: 1px solid var(--color-mystic-purple, #7C35FF);
  border-radius: var(--radius-md);
  white-space: nowrap;
  cursor: pointer;
  background: transparent;
  transition: background var(--transition-fast);
  flex-shrink: 0;
}

.modal__code-btn:hover {
  background: rgba(124, 53, 255, 0.06);
}

.modal__code-btn:disabled {
  color: #9ca3af;
  border-color: var(--color-border);
  cursor: default;
  background: none;
}

/* 字数统计 */
.modal__char-count {
  text-align: right;
  font-size: 0.75rem;
  color: var(--color-text-subtle);
  margin-top: 4px;
}

/* 去除特定 form-group 的底部间距 */
.modal__form-group--no-mb {
  margin-bottom: 0 !important;
}

/* 隐私授权勾选行 */
.modal__privacy-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  cursor: pointer;
}

.modal__privacy-check input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.modal__privacy-check-box {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border: 1.5px solid #d1d5db;
  border-radius: 3px;
  background: #fff;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal__privacy-check input[type="checkbox"]:checked + .modal__privacy-check-box {
  background: var(--color-mystic-purple, #7C35FF);
  border-color: var(--color-mystic-purple, #7C35FF);
}

.modal__privacy-check input[type="checkbox"]:checked + .modal__privacy-check-box::after {
  content: '';
  display: block;
  width: 9px;
  height: 5px;
  border-left: 1.5px solid #fff;
  border-bottom: 1.5px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
}

.modal__privacy-text {
  font-size: 0.75rem;
  color: #6b7280;
  line-height: 1.6;
}

.modal__privacy-link {
  color: var(--color-mystic-purple, #7C35FF);
  text-decoration: none;
}

.modal__privacy-link:hover {
  text-decoration: underline;
}

/* 提交行 */
.modal__submit-row {
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.modal__submit-btn {
  padding: 10px 48px;
  border-radius: var(--radius-full);
}

/* 弹窗里的主按钮：覆盖 .btn--primary 默认渐变，使用紫青双色更明亮
   宽度加大 + 胶囊圆角，无描边 */
.modal .btn--primary.modal__submit-btn,
.modal .btn--primary.modal__success-btn {
  background: linear-gradient(135deg, #7C35FF 0%, #4B7BE5 55%, #08E6F5 100%);
  color: #fff;
  border: none;
  min-width: 220px;
  padding: 12px 64px;
  border-radius: 9999px;
  box-shadow: 0 6px 18px rgba(124, 53, 255, 0.28);
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}
.modal .btn--primary.modal__submit-btn:hover,
.modal .btn--primary.modal__success-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(124, 53, 255, 0.38), 0 4px 12px rgba(8, 230, 245, 0.18);
  opacity: 1;
}

/* ---- Success State ---- */
.modal__success {
  text-align: center;
  padding: 48px 24px;
}

.modal__success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(124, 53, 255, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--color-mystic-purple, #7C35FF);
}

.modal__success-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.modal__success-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.modal__success-btn {
  padding: 10px 32px;
  border-radius: var(--radius-full);
}

/* ---- Body scroll lock ---- */
body.modal-open {
  overflow: hidden;
}

/* ============================================================
   滑动验证码弹窗 (captcha overlay)
   接入 contact-modal.ftl 中的 captcha-overlay / captcha-popup / slider-captcha
   默认隐藏，仅在 .is-open 时显示
   ============================================================ */
.captcha-overlay {
  position: fixed;
  inset: 0;
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.captcha-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.captcha-popup {
  position: relative;
  width: 100%;
  max-width: 360px;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  transform: scale(0.95) translateY(-10px);
  transition: transform var(--transition-base);
}

.captcha-overlay.is-open .captcha-popup {
  transform: scale(1) translateY(0);
}

.captcha-popup__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border-light);
}

.captcha-popup__title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-primary);
}

.captcha-popup__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  border-radius: 50%;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.captcha-popup__close:hover {
  background: rgba(0, 0, 0, 0.06);
  color: var(--color-text-primary);
}

.captcha-popup__body {
  padding: 16px 18px 18px;
}

.captcha-popup__hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--color-text-muted);
  text-align: center;
}

.slider-captcha__canvas-wrap {
  position: relative;
  width: 100%;
  height: 160px;
  background: #f5f6fa;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.slider-captcha__bg {
  display: block;
  width: 100%;
  height: 100%;
}

.slider-captcha__piece {
  position: absolute;
  top: 0;
  left: 0;
  cursor: grab;
}

.slider-captcha__piece:active {
  cursor: grabbing;
}

.slider-captcha__slider-wrap {
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 12px;
  gap: 8px;
}

.slider-captcha__track {
  position: relative;
  flex: 1;
  height: 36px;
  background: #f0f0fa;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  display: flex;
  align-items: center;
  user-select: none;
}

.slider-captcha__track.is-success {
  background: #d1fae5;
  border-color: #6ee7b7;
}

.slider-captcha__track.is-success .slider-captcha__btn {
  background: #10b981;
  color: #fff;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.slider-captcha__track.is-success .slider-captcha__text {
  color: #065f46;
}

.slider-captcha__track.is-error {
  background: #fee2e2;
  border-color: #fca5a5;
  animation: captcha-shake 0.4s ease;
}

@keyframes captcha-shake {
  0%, 100% { transform: translateX(0); }
  20%      { transform: translateX(-6px); }
  40%      { transform: translateX(6px); }
  60%      { transform: translateX(-4px); }
  80%      { transform: translateX(4px); }
}

.slider-captcha__btn {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  color: var(--color-text-secondary);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
  transition: background var(--transition-fast);
}

.slider-captcha__btn:hover { background: var(--color-bg-subtle); }
.slider-captcha__btn:active { cursor: grabbing; }

.slider-captcha__text {
  flex: 1;
  text-align: center;
  font-size: 12px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.slider-captcha__refresh {
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.slider-captcha__refresh:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text-primary);
}