/*
  [INPUT]: WhatsApp inquiry section markup and theme viewport breakpoints
  [OUTPUT]: Responsive floating button, tooltip, dialog, and CTA presentation
  [POS]: WhatsApp inquiry section visual layer; state is controlled by whatsapp-inquiry.js
  [PROTOCOL]: 变更时更新此头部，然后检查 CLAUDE.md
*/
.whatsapp-inquiry__fab {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 9998;
  display: flex;
  width: 60px;
  height: 60px;
  align-items: center;
  justify-content: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 14px rgb(37 211 102 / 45%);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-inquiry__fab::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: rgb(37 211 102 / 35%);
  content: "";
  animation: whatsapp-inquiry-pulse 2s ease-out infinite;
}

.whatsapp-inquiry__fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgb(37 211 102 / 55%);
}

.whatsapp-inquiry__fab:focus-visible,
.whatsapp-inquiry__close:focus-visible,
.whatsapp-inquiry__cta a:focus-visible {
  outline: 3px solid #075e54;
  outline-offset: 3px;
}

.whatsapp-inquiry__fab svg,
.whatsapp-inquiry__avatar svg,
.whatsapp-inquiry__cta a svg {
  fill: currentColor;
}

.whatsapp-inquiry__fab svg {
  width: 32px;
  height: 32px;
}

.whatsapp-inquiry__tooltip {
  position: absolute;
  top: 50%;
  right: calc(100% + 14px);
  padding: 6px 14px;
  border-radius: 20px;
  background: #fff;
  color: #075e54;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgb(0 0 0 / 12%);
  pointer-events: none;
  transform: translateY(-50%);
  animation: whatsapp-inquiry-bounce 2s infinite ease-in-out;
}

.whatsapp-inquiry__tooltip::after {
  position: absolute;
  top: 50%;
  right: -5px;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 6px solid #fff;
  content: "";
  transform: translateY(-50%);
}

.whatsapp-inquiry__fab[aria-expanded="true"] .whatsapp-inquiry__tooltip {
  display: none;
}

.whatsapp-inquiry__card {
  position: fixed;
  right: 28px;
  bottom: 100px;
  z-index: 9999;
  width: 340px;
  overflow: hidden;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 8px 30px rgb(0 0 0 / 18%);
  opacity: 0;
  pointer-events: none;
  transform: scale(0.4) translateY(20px);
  transform-origin: bottom right;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
}

.whatsapp-inquiry__card[data-open="true"] {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1) translateY(0);
}

.whatsapp-inquiry__header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px;
  background: #075e54;
}

.whatsapp-inquiry__avatar {
  display: flex;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
}

.whatsapp-inquiry__avatar svg {
  width: 26px;
  height: 26px;
}

.whatsapp-inquiry__info {
  min-width: 0;
}

.whatsapp-inquiry__info h4 {
  margin: 0;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}

.whatsapp-inquiry__info p {
  margin: 3px 0 0;
  color: rgb(255 255 255 / 75%);
  font-size: 12px;
  line-height: 1.4;
}

.whatsapp-inquiry__close {
  position: absolute;
  top: 12px;
  right: 14px;
  padding: 4px;
  border: 0;
  background: transparent;
  color: rgb(255 255 255 / 70%);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}

.whatsapp-inquiry__close:hover {
  color: #fff;
}

.whatsapp-inquiry__body {
  padding: 20px 18px;
  background: #e5ddd5 url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ccc5b9' fill-opacity='0.15'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.whatsapp-inquiry__bubble {
  position: relative;
  max-width: 92%;
  padding: 12px 14px;
  border-radius: 0 8px 8px 8px;
  background: #fff;
  color: #333;
  font-size: 13.5px;
  line-height: 1.55;
  box-shadow: 0 1px 2px rgb(0 0 0 / 8%);
}

.whatsapp-inquiry__bubble::before {
  position: absolute;
  top: 0;
  left: -8px;
  width: 0;
  height: 0;
  border-top: 8px solid #fff;
  border-left: 8px solid transparent;
  content: "";
}

.whatsapp-inquiry__time {
  display: block;
  margin-top: 6px;
  color: #999;
  font-size: 11px;
  text-align: right;
}

.whatsapp-inquiry__cta {
  padding: 14px 18px 18px;
  background: #fff;
}

.whatsapp-inquiry__cta a {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border-radius: 8px;
  background: #25d366;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease;
}

.whatsapp-inquiry__cta a:hover {
  background: #1ebe57;
}

.whatsapp-inquiry__cta a svg {
  width: 20px;
  height: 20px;
}

@keyframes whatsapp-inquiry-pulse {
  0% {
    opacity: 0.6;
    transform: scale(1);
  }

  100% {
    opacity: 0;
    transform: scale(1.7);
  }
}

@keyframes whatsapp-inquiry-bounce {
  0%,
  100% {
    transform: translateY(-50%) translateX(0);
  }

  50% {
    transform: translateY(-50%) translateX(-4px);
  }
}

@media (max-width: 768px) {
  .whatsapp-inquiry__fab {
    right: auto;
    bottom: 80px;
    left: 16px;
    width: 54px;
    height: 54px;
  }

  .whatsapp-inquiry__fab svg {
    width: 28px;
    height: 28px;
  }

  .whatsapp-inquiry__card {
    right: auto;
    bottom: 146px;
    left: 12px;
    width: calc(100vw - 24px);
    max-width: 360px;
    transform-origin: bottom left;
  }

  .whatsapp-inquiry__tooltip {
    right: auto;
    left: calc(100% + 14px);
    animation-name: whatsapp-inquiry-bounce-mobile;
  }

  .whatsapp-inquiry__tooltip::after {
    right: auto;
    left: -5px;
    border-right: 6px solid #fff;
    border-left: 0;
  }
}

@keyframes whatsapp-inquiry-bounce-mobile {
  0%,
  100% {
    transform: translateY(-50%) translateX(0);
  }

  50% {
    transform: translateY(-50%) translateX(4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-inquiry__fab,
  .whatsapp-inquiry__card,
  .whatsapp-inquiry__cta a {
    transition: none;
  }

  .whatsapp-inquiry__fab::before,
  .whatsapp-inquiry__tooltip {
    animation: none;
  }
}