/* ==========================================================================
   EndlessLoop · 友链页样式
   --------------------------------------------------------------------------
   结构由 scripts/friends.js 的 {% friends %} 输出，交互由 source/js/friends.js。
   视觉沿用整站的毛玻璃 + 乳白淡粉淡紫 + 柔和圆角 + 低饱和雾紫粉。
   ========================================================================== */

.el-friends {
  max-width: 1080px;
  margin: 0 auto;
}

/* -------------------------------------------------------------------------
   标题区
   ------------------------------------------------------------------------- */
.el-friends__hero {
  text-align: center;
  margin: 8px 0 30px;
}

.el-friends__en {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--el-accent-ink);
  opacity: 0.82;
}

.el-friends__title {
  margin: 10px 0 0;
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', 'SimSun', 'MS Mincho', serif;
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--el-text);
  text-shadow: 0 2px 16px hsla(var(--accent-hue), 40%, 82%, 0.25);
}

/* -------------------------------------------------------------------------
   小节标题（友邻动态 / 添加友链 通用）
   ------------------------------------------------------------------------- */
.el-friends__section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 34px 0 18px;
}

.el-friends__section-en {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--el-accent-ink);
  opacity: 0.7;
}

.el-friends__section-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--el-text);
}

/* -------------------------------------------------------------------------
   友链卡片网格
   ------------------------------------------------------------------------- */
.el-friends__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 18px;
}

.el-friend-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--el-glass-border);
  border-radius: var(--el-radius-lg);
  background: var(--el-glass-bg-strong);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  box-shadow: var(--el-shadow-2), inset 0 1px 0 var(--el-liquid-inset);
  overflow: hidden;
  text-decoration: none;
  transition: transform 0.35s var(--el-ease), box-shadow 0.35s var(--el-ease),
    border-color 0.35s var(--el-ease);
}

/* 镜面高光 */
.el-friend-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: inherit;
  background: var(--el-liquid-sheen);
  opacity: 0.6;
  pointer-events: none;
}

.el-friend-card > * {
  position: relative;
  z-index: 1;
}

/* 横向大卡片：占两列，头像与间距更舒展 */
.el-friend-card--featured {
  grid-column: span 2;
  padding: 26px;
  gap: 22px;
}

/* 头像：conic 渐变环（与关于页头像同款四色） */
.el-friend-card__avatar {
  flex: 0 0 auto;
  width: 60px;
  height: 60px;
  padding: 3px;
  border-radius: 50%;
  box-sizing: border-box;
  background: conic-gradient(
    from 0deg,
    hsl(var(--accent-hue), 100%, 81%),
    hsl(calc(var(--accent-hue) - 37), 92%, 76%),
    hsl(calc(var(--accent-hue) - 74), 100%, 72%),
    hsl(calc(var(--accent-hue) - 110), 77%, 64%),
    hsl(var(--accent-hue), 100%, 81%)
  );
}

.el-friend-card--featured .el-friend-card__avatar {
  width: 76px;
  height: 76px;
}

.el-friend-card__avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--el-glass-bg-strong);
  transition: transform 0.5s var(--el-ease);
}

.el-friend-card__body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.el-friend-card__name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--el-text);
}

.el-friend-card__desc {
  font-size: 0.86rem;
  color: var(--el-text-mute);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.el-friend-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.el-friend-card__tag {
  padding: 3px 10px;
  border: 1px solid var(--el-glass-border-dim);
  border-radius: 999px;
  background: hsla(var(--accent-hue), 100%, 81%, 0.1);
  color: var(--el-accent-ink);
  font-size: 11.5px;
  font-weight: 600;
}

/* hover：轻微上浮 + 头像放大 + 柔和粉紫光晕 */
.el-friend-card:hover {
  transform: translateY(-4px);
  border-color: rgba(216, 168, 192, 0.55);
  box-shadow: var(--el-shadow-3), 0 0 24px rgba(197, 150, 173, 0.22);
}

.el-friend-card:hover .el-friend-card__avatar img {
  transform: scale(1.08);
}

/* -------------------------------------------------------------------------
   友邻动态
   ------------------------------------------------------------------------- */
.el-friends-posts__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.el-friends-post {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 20px;
  border: 1px solid var(--el-glass-border);
  border-radius: var(--el-radius-md);
  background: var(--el-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--el-shadow-1);
  text-decoration: none;
  transition: transform 0.3s var(--el-ease), box-shadow 0.3s var(--el-ease),
    border-color 0.3s var(--el-ease);
}

.el-friends-post:hover {
  transform: translateY(-3px);
  border-color: rgba(216, 168, 192, 0.5);
  box-shadow: var(--el-shadow-2);
}

.el-friends-post__title {
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--el-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.el-friends-post__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--el-text-mute);
}

.el-friends-post__meta span + span::before {
  content: '·';
  margin-right: 10px;
}

/* -------------------------------------------------------------------------
   添加友链（Tab + 面板）
   ------------------------------------------------------------------------- */
.el-friends-add__tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.el-friends-tab {
  padding: 8px 20px;
  border: 1px solid var(--el-glass-border-dim);
  border-radius: 999px;
  background: var(--el-glass-bg-soft);
  color: var(--el-text-soft);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.3s var(--el-ease), color 0.3s var(--el-ease),
    border-color 0.3s var(--el-ease), box-shadow 0.3s var(--el-ease);
}

.el-friends-tab:hover {
  color: var(--el-accent-ink);
  border-color: hsla(var(--accent-hue), 100%, 81%, 0.45);
}

.el-friends-tab.is-active {
  background: var(--el-grad-main);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px hsla(var(--accent-hue), 40%, 82%, 0.32);
}

.el-friends-tab:focus-visible {
  outline: 2px solid hsl(var(--accent-hue), 72%, 46%);
  outline-offset: 2px;
}

.el-friends-panel {
  display: none;
}

.el-friends-panel.is-active {
  display: block;
}

/* ---- 我的信息 ---- */
.el-friends-info__row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  border: 1px solid var(--el-glass-border);
  border-radius: var(--el-radius-md);
  background: var(--el-glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  margin-bottom: 10px;
}

.el-friends-info__label {
  flex: 0 0 auto;
  width: 76px;
  font-size: 13px;
  font-weight: 600;
  color: var(--el-text-soft);
}

.el-friends-info__value {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 13.5px;
  color: var(--el-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.el-friends-copy {
  flex: 0 0 auto;
  padding: 6px 14px;
  border: 1px solid var(--el-glass-border-dim);
  border-radius: 999px;
  background: var(--el-glass-bg-soft);
  color: var(--el-accent-ink);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.25s var(--el-ease), color 0.25s var(--el-ease),
    transform 0.25s var(--el-ease-back);
}

.el-friends-copy:hover {
  background: var(--el-grad-main);
  color: #fff;
  transform: translateY(-1px);
}

.el-friends-copy.is-done {
  background: var(--el-grad-main);
  color: #fff;
}

/* ---- 申请友链表单 ---- */
.el-friends-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.el-friends-form__input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--el-glass-border);
  border-radius: var(--el-radius-md);
  background: var(--el-glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--el-text);
  font-size: 14px;
  box-sizing: border-box;
  transition: border-color 0.25s var(--el-ease), box-shadow 0.25s var(--el-ease);
}

.el-friends-form__input::placeholder {
  color: var(--el-text-mute);
}

.el-friends-form__input:focus {
  outline: none;
  border-color: hsla(var(--accent-hue), 100%, 81%, 0.55);
  box-shadow: 0 0 0 3px hsla(var(--accent-hue), 100%, 81%, 0.14);
}

.el-friends-form__submit {
  grid-column: 1 / -1;
  padding: 13px 24px;
  border: none;
  border-radius: 999px;
  background: var(--el-grad-main);
  color: #fff;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  box-shadow: 0 8px 20px hsla(var(--accent-hue), 40%, 82%, 0.3);
  transition: transform 0.3s var(--el-ease-back), box-shadow 0.3s var(--el-ease),
    filter 0.3s var(--el-ease);
}

.el-friends-form__submit:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
  box-shadow: 0 12px 26px hsla(var(--accent-hue), 40%, 82%, 0.4);
}

/* -------------------------------------------------------------------------
   响应式
   ------------------------------------------------------------------------- */
@media screen and (max-width: 768px) {
  .el-friends__grid,
  .el-friends-posts__grid {
    grid-template-columns: 1fr;
  }

  .el-friend-card--featured {
    grid-column: span 1;
  }

  .el-friends-form {
    grid-template-columns: 1fr;
  }

  .el-friends-info__row {
    flex-wrap: wrap;
  }

  .el-friends-info__label {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .el-friend-card,
  .el-friend-card__avatar img,
  .el-friends-post,
  .el-friends-tab,
  .el-friends-copy,
  .el-friends-form__submit {
    transition: none;
  }
}