/**
 * animations 索引画廊：对齐风格主题卡片（权限 CTA / 缩略图加载态 / 悬停预览）。
 */

/* 方案 A：非当前分类隐藏（JS 设 hidden；此处兜底） */
.wa-anim-index .wa-anim-section[hidden] {
  display: none !important;
}

.wa-anim-index .wa-lg-jump a.is-active {
  border-color: color-mix(in srgb, var(--wa-color-primary, #165dff) 45%, transparent);
  background: color-mix(in srgb, var(--wa-color-primary, #165dff) 10%, transparent);
}

.wa-anim-index .wa-fam-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

@media (max-width: 1100px) {
  .wa-anim-index .wa-fam-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .wa-anim-index .wa-fam-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.wa-anim-index > .wa-comp-index__head::before {
  background:
    radial-gradient(
      42% 55% at 52% 28%,
      color-mix(in srgb, #22d3ee 16%, transparent),
      transparent 72%
    ),
    radial-gradient(
      38% 50% at 78% 42%,
      color-mix(in srgb, #a78bfa 14%, transparent),
      transparent 70%
    ),
    radial-gradient(
      34% 48% at 22% 58%,
      color-mix(in srgb, #34d399 14%, transparent),
      transparent 72%
    );
}

html[data-theme="dark"] .wa-anim-index > .wa-comp-index__head::before {
  background:
    radial-gradient(
      42% 55% at 52% 28%,
      color-mix(in srgb, #22d3ee 28%, transparent),
      transparent 72%
    ),
    radial-gradient(
      38% 50% at 78% 42%,
      color-mix(in srgb, #a78bfa 26%, transparent),
      transparent 70%
    ),
    radial-gradient(
      34% 48% at 22% 58%,
      color-mix(in srgb, #34d399 24%, transparent),
      transparent 72%
    );
}

.wa-anim-index .wa-index-catalog > .wa-anim-section:first-child > .wa-lg-cat-head {
  margin-top: 0;
}

.wa-anim-index .wa-anim-section {
  margin: 0 0 var(--wa-index-gap, 48px);
}

.wa-anim-index .wa-anim-section + .wa-anim-section {
  position: relative;
  padding-top: var(--wa-index-gap, 48px);
}

.wa-anim-index .wa-anim-section + .wa-anim-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 100vw;
  height: 1px;
  background: var(--wa-index-rail, #eeeeee);
  transform: translateX(-50%);
  pointer-events: none;
}

html[data-theme="dark"] .wa-anim-index .wa-anim-section + .wa-anim-section::before {
  background: rgba(255, 255, 255, 0.08);
}

.wa-anim-index .wa-anim-section + .wa-anim-section > .wa-lg-cat-head {
  margin-top: 0;
}

/*
 * 方案 A：前一个分类 hidden 时，当前块当作「首个可见分类」——
 * 去掉分节顶线与 padding，避免与页头 ::after 叠成双线。
 */
.wa-anim-index .wa-anim-section[hidden] + .wa-anim-section:not([hidden]) {
  padding-top: 0;
}

.wa-anim-index .wa-anim-section[hidden] + .wa-anim-section:not([hidden])::before {
  content: none;
  display: none;
}

.wa-anim-index .wa-fam-card__top {
  align-items: center;
}

.wa-anim-index .wa-comp-meta {
  min-width: 0;
  flex: 1 1 auto;
}

.wa-anim-index .wa-comp-meta__name {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 6px;
  max-width: 100%;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.35;
  overflow: hidden;
}

.wa-anim-index .wa-anim-card__zh {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wa-anim-index .wa-comp-meta__slug {
  display: block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
}

.wa-anim-pro,
.wa-anim-free {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  padding: 0 4px;
  border-radius: 3px;
  border: 1px solid #e74c3c;
  font-size: 9px;
  font-weight: 650;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #e74c3c;
  background: color-mix(in srgb, #e74c3c 10%, transparent);
}

.wa-anim-free {
  border-color: #16a34a;
  color: #15803d;
  background: color-mix(in srgb, #16a34a 12%, transparent);
}

html[data-theme="dark"] .wa-anim-pro {
  background: color-mix(in srgb, #e74c3c 16%, transparent);
}

html[data-theme="dark"] .wa-anim-free {
  border-color: #4ade80;
  color: #86efac;
  background: color-mix(in srgb, #22c55e 18%, transparent);
}

.wa-anim-index .wa-fam-card__stage {
  aspect-ratio: 16 / 10;
  padding: 0;
  overflow: hidden;
  background: var(--wa-stage-hatch-bg, #f0f0f2);
}

.wa-anim-index .wa-fam-card__stage::before,
.wa-anim-index .wa-fam-card__stage::after {
  display: none;
}

/* 缩略图加载态：骨架 shimmer → 就绪 / 失败 */
.wa-anim-index .wa-fam-card__stage.is-loading::after {
  content: "";
  display: block;
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      110deg,
      transparent 0%,
      color-mix(in srgb, #fff 55%, transparent) 45%,
      transparent 90%
    ),
    color-mix(in srgb, var(--wa-stage-hatch-bg, #e8e8ec) 88%, #d4d4d8);
  background-size: 200% 100%, auto;
  animation: wa-anim-shimmer 1.1s ease-in-out infinite;
}

html[data-theme="dark"] .wa-anim-index .wa-fam-card__stage.is-loading::after {
  background:
    linear-gradient(
      110deg,
      transparent 0%,
      color-mix(in srgb, #fff 12%, transparent) 45%,
      transparent 90%
    ),
    #1c1c20;
  background-size: 200% 100%, auto;
}

@keyframes wa-anim-shimmer {
  0% {
    background-position: 100% 0, 0 0;
  }
  100% {
    background-position: -100% 0, 0 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .wa-anim-index .wa-fam-card__stage.is-loading::after {
    animation: none;
  }
}

.wa-anim-index .wa-fam-card__stage.is-error {
  background: var(--wa-stage-hatch-bg, #f0f0f2);
}

/* 占位期：纯 CSS 示意底，避免 255 次请求同一张图导致裂图 */
.wa-anim-index .wa-fam-card__stage.is-placeholder {
  background:
    radial-gradient(
      48% 60% at 28% 42%,
      color-mix(in srgb, #67e8f9 22%, transparent),
      transparent 70%
    ),
    radial-gradient(
      42% 55% at 72% 48%,
      color-mix(in srgb, #a78bfa 18%, transparent),
      transparent 72%
    ),
    linear-gradient(145deg, #eef4f8 0%, #f4f2f8 48%, #eef6f1 100%);
}

.wa-anim-cover-ph {
  position: absolute;
  inset: 14% 12%;
  border-radius: 14px;
  background: color-mix(in srgb, #fff 78%, transparent);
  border: 1px solid color-mix(in srgb, #0f172a 8%, transparent);
  box-shadow: 0 10px 28px color-mix(in srgb, #0f172a 6%, transparent);
  pointer-events: none;
}

.wa-anim-cover-ph::before {
  content: "";
  position: absolute;
  left: 10%;
  top: 18%;
  width: 36%;
  height: 10px;
  border-radius: 999px;
  background: #d4d4d8;
}

.wa-anim-cover-ph::after {
  content: "";
  position: absolute;
  left: 10%;
  top: 36%;
  width: 52%;
  height: 16px;
  border-radius: 8px;
  background: color-mix(in srgb, #18181b 72%, transparent);
}

.wa-anim-cover {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border: 0;
  pointer-events: none;
  user-select: none;
  opacity: 0;
  transition: opacity 0.22s ease;
}

.wa-anim-index .wa-fam-card__stage.is-ready .wa-anim-cover {
  opacity: 1;
}

html[data-theme="dark"] .wa-anim-index .wa-fam-card__stage:not(.is-placeholder) {
  background: #141416;
}

html[data-theme="dark"] .wa-anim-index .wa-fam-card__stage.is-placeholder {
  background:
    radial-gradient(
      48% 60% at 28% 42%,
      color-mix(in srgb, #22d3ee 22%, transparent),
      transparent 70%
    ),
    radial-gradient(
      42% 55% at 72% 48%,
      color-mix(in srgb, #a78bfa 20%, transparent),
      transparent 72%
    ),
    linear-gradient(145deg, #16181d 0%, #1a1820 48%, #141816 100%);
}

html[data-theme="dark"] .wa-anim-cover-ph {
  background: color-mix(in srgb, #fff 8%, transparent);
  border-color: color-mix(in srgb, #fff 10%, transparent);
}

html[data-theme="dark"] .wa-anim-cover-ph::before {
  background: color-mix(in srgb, #fff 18%, transparent);
}

html[data-theme="dark"] .wa-anim-cover-ph::after {
  background: color-mix(in srgb, #fff 55%, transparent);
}

/* 悬停：预览动效 + 新窗口 */
.wa-anim-index .wa-anim-stage-cta {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 10px;
  pointer-events: none;
}

.wa-anim-index .wa-fam-card__stage:hover .wa-anim-stage-cta,
.wa-anim-index .wa-anim-stage-cta:focus-within {
  opacity: 1;
  pointer-events: auto;
}

.wa-anim-index .wa-fam-card__stage:hover .wa-anim-stage-cta.is-spent {
  opacity: 0;
  pointer-events: none;
}

.wa-anim-index .wa-anim-stage-cta__preview {
  display: inline-flex;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}