/* ==============================================
   infowe Blog · 分享面板（default / tech 两主题通用）
   仅使用两主题共有的 CSS 变量（带缺省回退，保证任意主题可用）
   ============================================== */

/* ── 遮罩 ── */
.share-mask {
  position: fixed; inset: 0;
  background: var(--overlay, rgba(0, 0, 0, 0.5));
  z-index: 900;
  opacity: 0; visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.share-mask.open { opacity: 1; visibility: visible; }

/* ── 面板 ── */
.share-panel {
  position: fixed; left: 50%; top: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  width: min(360px, calc(100vw - 32px));
  background: var(--bg-surface, var(--bg, #fff));
  color: var(--text, #1f2328);
  border: 1px solid var(--border, rgba(0, 0, 0, 0.1));
  border-radius: 14px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  z-index: 901;
  opacity: 0; visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  padding: 18px 18px 16px;
  box-sizing: border-box;
}
.share-panel.open { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }

.share-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.share-panel-title {
  font-size: 15px; font-weight: 600;
  color: var(--text, #1f2328);
}
.share-close {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  border: none; border-radius: 8px;
  background: none; cursor: pointer;
  color: var(--text-secondary, #656d76);
}
.share-close:hover { color: var(--text, #1f2328); background: var(--bg-hover, var(--bg-subtle, rgba(0, 0, 0, 0.06))); }

/* ── 渠道网格 ── */
.share-channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.share-item {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 6px 2px;
  background: none; border: none; cursor: pointer;
  text-decoration: none;
  color: var(--text-secondary, #656d76);
  border-radius: 10px;
  transition: transform 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.share-item:hover { color: var(--text, #1f2328); background: var(--bg-hover, var(--bg-subtle, rgba(0, 0, 0, 0.06))); transform: translateY(-1px); }
.share-chip {
  width: 46px; height: 46px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  font-size: 20px; font-weight: 600;
  color: #fff;
  flex: none;
}
.share-label { font-size: 12px; line-height: 1.2; }

/* 各渠道配色（品牌固定色，明暗主题下均可见） */
.share-item-copy .share-chip {
  background: var(--accent, #5b8def); color: #fff;
}
.share-item-wechat .share-chip { background: #07c160; }
.share-item-weibo .share-chip { background: #e6162d; }
.share-item-qzone .share-chip { background: #12b7f5; }

.share-item.is-copied .share-label { color: #2e9b70; }

.share-tip {
  margin: 12px 2px 0;
  font-size: 12px; line-height: 1.6;
  color: var(--text-tertiary, var(--text-secondary, #8b949e));
}

/* ── 微信二维码视图 ── */
.share-back {
  display: inline-flex; align-items: center; gap: 4px;
  margin-bottom: 12px;
  font-size: 13px;
  border: none; background: none; cursor: pointer;
  color: var(--accent, #0969da);
}
.share-back:hover { text-decoration: underline; }

.share-qr-box {
  display: flex; justify-content: center;
  padding: 6px;
}
.share-qr {
  background: #fff;
  padding: 8px;
  border-radius: 8px;
  line-height: 0;
}
.share-qr svg { width: 190px; height: 190px; display: block; }
.share-qr-error {
  width: 190px; height: 190px;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  font-size: 13px; line-height: 1.6;
  color: var(--text-secondary, #656d76);
}
.share-qr-tip {
  margin-top: 12px;
  text-align: center;
  font-size: 12px; line-height: 1.6;
  color: var(--text-tertiary, var(--text-secondary, #8b949e));
}