/* Legacy iframe style (kept for backward compatibility) */
html,
html > body {
  margin: 0 !important;
  padding: 0 !important;
  height: 100%;
  width: 100%;
  background: transparent;
}

body {
  font-family: "Avenir Next", "PingFang SC", "Noto Sans SC", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  text-shadow: 0 0 1px rgba(255, 255, 255, 0.1);
  background: transparent;
}

img {
  border-width: 0;
}

a {
  color: #000;
  text-decoration: none;
  outline: none;
  border: 0;
}

.list,
.list li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.pos-f {
  position: fixed;
}

.left-100 {
  width: 100%;
  height: 100%;
}

.blur {
  -webkit-filter: blur(3px);
  filter: blur(3px);
}

.tr3 {
  transition: all 0.28s ease;
}

#DonateText {
  position: fixed;
  font-size: 12px;
  width: 70px;
  height: 70px;
  line-height: 70px;
  color: #fff;
  background: #ffd886 url(images/like.svg) no-repeat center 10px;
  background-size: 20px;
  border-radius: 35px;
  text-align: center;
  left: calc(50% - 120px);
  top: calc(50% - 60px);
  z-index: 0;
  transform: rotate(-15deg);
  margin: 0;
}

#donateBox {
  left: calc(50% - 115.5px);
  top: calc(50% - 15px);
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  width: 225px;
  height: 28px;
  z-index: 2;
  display: flex;
}

#donateBox li {
  width: 74px;
  flex: 1 1 74px;
  text-align: center;
  border-left: 1px solid #ddd;
  background: no-repeat center center;
  background-color: rgba(204, 217, 220, 0.12);
  background-size: 45px;
  transition: all 0.28s ease;
  cursor: pointer;
  overflow: hidden;
  height: 28px;
  -webkit-filter: grayscale(1);
  filter: grayscale(1);
  opacity: 0.58;
  position: relative;
}

#donateBox li:hover {
  background-color: rgba(204, 217, 220, 0.35);
  -webkit-filter: grayscale(0);
  filter: grayscale(0);
  opacity: 1;
}

#donateBox > li:first-child {
  border-left-width: 0;
}

#donateBox #PayPal {
  background-image: url(images/paypal.svg);
}

#donateBox #AliPay {
  background-image: url(images/alipay.svg);
}

#donateBox #WeChat {
  background-image: url(images/wechat.svg);
}

#donateBox a,
#donateBox .donate-btn {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
  color: transparent;
  text-indent: -9999px;
  cursor: pointer;
}

#donateBox a:focus-visible,
#donateBox .donate-btn:focus-visible,
#github:focus-visible,
.legacy-qr-close:focus-visible {
  outline: 2px solid #f0a63a;
  outline-offset: 2px;
}

#QRBox {
  top: 0;
  left: 0;
  z-index: 6;
  background-color: rgba(8, 22, 34, 0.38);
  display: none;
  perspective: 400px;
  -webkit-backdrop-filter: blur(1px);
  backdrop-filter: blur(1px);
}

#QRBox.is-active {
  display: block;
}

#MainBox {
  position: absolute;
  text-align: center;
  width: 228px;
  left: calc(50% - 114px);
  top: calc(50% - 140px);
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform-origin: center center;
  overflow: hidden;
  border: 1px solid rgba(16, 33, 50, 0.15);
}

.legacy-qr-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 10px 0;
}

.legacy-qr-title {
  margin: 0;
  font-size: 14px;
  color: #152638;
}

.legacy-qr-close {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 1px solid rgba(16, 33, 50, 0.2);
  background: #f2f5f8;
  color: #152638;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.legacy-qr-figure {
  margin: 0;
  padding: 8px 10px 10px;
}

#LegacyQRImage {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid rgba(16, 33, 50, 0.14);
  background: #fff;
}

#github {
  width: 24px;
  height: 24px;
  left: calc(50% + 98.5px);
  top: calc(50% - 30px);
  background: no-repeat center center url(images/github.svg);
  background-size: contain;
  opacity: 0.34;
  transform: rotate(15deg);
  z-index: 2;
}

[data-footnote] {
  position: relative;
  overflow: hidden;
}

[data-footnote]:hover {
  overflow: visible;
}

[data-footnote]::before,
[data-footnote]::after {
  position: absolute;
  transition: all 0.28s ease;
  transform: translate3d(-50%, 0, 0);
  opacity: 0;
  left: 50%;
  z-index: 10;
  pointer-events: none;
}

[data-footnote]::before {
  content: attr(data-footnote);
  border-radius: 6px;
  background-color: rgba(50, 50, 50, 0.9);
  color: #fff;
  line-height: 1.35;
  padding: 4px 8px;
  font-size: 12px;
  white-space: nowrap;
  top: -30px;
}

[data-footnote]::after {
  content: "";
  border: 5px solid transparent;
  border-top-color: rgba(50, 50, 50, 0.9);
  top: -10px;
}

[data-footnote]:hover::before,
[data-footnote]:hover::after {
  opacity: 1;
  transform: translate3d(-50%, -5px, 0);
}

#MainBox.showQR {
  opacity: 1;
  animation: showQR 0.24s ease-out forwards;
}

@keyframes showQR {
  from {
    transform: scale(0.96) translateY(8px);
  }

  to {
    transform: scale(1) translateY(0);
  }
}

#MainBox.hideQR {
  opacity: 1;
  animation: hideQR 0.22s ease-in forwards;
}

@keyframes hideQR {
  from {
    transform: scale(1) translateY(0);
    opacity: 1;
  }

  to {
    transform: scale(0.96) translateY(8px);
    opacity: 0;
  }
}

@media (max-width: 420px) {
  #DonateText {
    transform: rotate(-12deg) scale(0.94);
  }

  #donateBox {
    transform: scale(0.94);
  }
}

@media (prefers-reduced-motion: reduce) {
  .tr3,
  #donateBox li,
  #MainBox,
  #MainBox.showQR,
  #MainBox.hideQR {
    transition: none !important;
    animation: none !important;
  }
}

/* V2 design tokens (shared visual direction for embed widget) */
:root {
  --dw-v2-primary: #0f8f82;
  --dw-v2-primary-strong: #0b6e64;
  --dw-v2-text: #102132;
  --dw-v2-muted: #5b6d80;
  --dw-v2-border: rgba(16, 33, 50, 0.14);
  --dw-v2-radius: 18px;
  --dw-v2-shadow: 0 16px 40px rgba(16, 33, 50, 0.12);
  --dw-v2-action-height: 52px;
}