/* ============================================================
   前台欢迎弹窗（样式参考：用户面板 · 游客 弹窗风格）
   依赖 index.php / popup.php 中定义的 CSS 变量：
     --theme-primary / --theme-primary-rgb / --theme-gradient-from / --theme-gradient-to / --theme-light
   ============================================================ */
.zd-popup-mask {
  position: fixed; inset: 0;
  background: rgba(8, 10, 20, .62);
  backdrop-filter: blur(12px) saturate(130%);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  z-index: 999; display: none; align-items: center; justify-content: center;
  padding: 20px; overflow-y: auto; -webkit-overflow-scrolling: touch;
  -webkit-tap-highlight-color: transparent;
}
.zd-popup-mask.zd-show { display: flex; }

@keyframes zdPop {
  from { opacity: 0; transform: translateY(16px) scale(.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.zd-popup {
  position: relative; width: 100%; max-width: 340px;
  background: linear-gradient(180deg, #181330, #100d20);
  border: 1px solid rgba(var(--theme-primary-rgb), .28);
  border-radius: 22px;
  box-shadow: 0 20px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.04);
  animation: zdPop .25s ease;
  display: flex; flex-direction: column; overflow: hidden;
}

.zd-popup-close {
  position: absolute; top: 12px; right: 12px;
  width: 30px; height: 30px; margin: 0; padding: 0; border: none; border-radius: 50%;
  background: rgba(255,255,255,.07); color: #9ca3af;
  font-size: 14px; line-height: 1; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .2s; -webkit-tap-highlight-color: transparent;
}
.zd-popup-close:hover { background: rgba(255,255,255,.14); color: #fff; }
.zd-popup-close:disabled { opacity: .35; cursor: not-allowed; }

.zd-popup-body {
  padding: 30px 24px 0;
  display: flex; flex-direction: column; align-items: center;
}

.zd-popup-avatar {
  width: 76px; height: 76px; margin-bottom: 14px;
  border-radius: 50%; overflow: hidden; flex-shrink: 0;
  border: 2px solid var(--theme-primary);
  box-shadow: 0 0 22px rgba(var(--theme-primary-rgb), .55);
  background: #fff;
  display: flex; align-items: center; justify-content: center;
}
.zd-popup-avatar img { width: 100%; height: 100%; object-fit: cover; }
.zd-popup-avatar-fallback { color: var(--theme-primary); font-size: 28px; }

.zd-popup-title {
  text-align: center; font-size: 19px; font-weight: 800; color: #fff;
  letter-spacing: .5px; margin-bottom: 10px; word-break: break-word;
}

.zd-popup-text {
  text-align: center; font-size: 13px; color: #c3c9d9;
  line-height: 1.75; margin-bottom: 14px; word-break: break-word;
}

.zd-popup-group {
  display: flex; align-items: center; width: 100%;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.09);
  border-radius: 12px; padding: 9px 8px 9px 14px; margin-bottom: 4px;
}
.zd-popup-group-label { font-size: 12px; color: #8b93a7; margin-right: 10px; flex-shrink: 0; }
.zd-popup-group-num {
  font-size: 15px; font-weight: 700; color: #fff; letter-spacing: 1px;
  font-family: 'SF Mono', 'Cascadia Mono', Consolas, monospace;
  margin-right: auto; word-break: break-all;
}
.zd-popup-copy {
  display: inline-flex; align-items: center; flex-shrink: 0;
  background: rgba(var(--theme-primary-rgb), .16);
  border: 1px solid rgba(var(--theme-primary-rgb), .32);
  color: var(--theme-light); font-size: 12px;
  padding: 5px 12px; border-radius: 8px; cursor: pointer;
  transition: all .2s; -webkit-tap-highlight-color: transparent;
}
.zd-popup-copy i { margin-right: 5px; font-size: 11px; }
.zd-popup-copy:hover { background: rgba(var(--theme-primary-rgb), .3); }

/* 手机直接打开 QQ 加群（mqqapi 协议，仅移动端生效） */
.zd-popup-qq-link {
  display: flex; align-items: center; justify-content: center;
  width: 100%; margin-top: 9px; padding: 9px 12px;
  border-radius: 12px; text-decoration: none;
  background: rgba(var(--theme-primary-rgb), .12);
  border: 1px solid rgba(var(--theme-primary-rgb), .3);
  color: var(--theme-light); font-size: 13px; font-weight: 600;
  transition: all .2s; -webkit-tap-highlight-color: transparent;
}
.zd-popup-qq-link:hover { background: rgba(var(--theme-primary-rgb), .22); }
.zd-popup-qq-link:active { transform: scale(.98); }
.zd-popup-qq-link .fa-qq { margin-right: 8px; font-size: 15px; flex-shrink: 0; }
.zd-popup-qq-link .zd-popup-qq-go { margin-left: auto; font-size: 12px; opacity: .75; flex-shrink: 0; }

.zd-popup-foot {
  margin-top: 22px; padding: 16px 24px 22px;
  background: rgba(255,255,255,.03); border-top: 1px solid rgba(255,255,255,.08);
}
.zd-popup-btn {
  width: 100%; height: 46px; margin: 0; border: none; border-radius: 14px;
  background: linear-gradient(135deg, var(--theme-gradient-from), var(--theme-gradient-to));
  color: #fff; font-size: 15px; font-weight: 700; cursor: pointer;
  transition: all .2s; box-shadow: 0 6px 18px rgba(var(--theme-primary-rgb), .35);
  -webkit-tap-highlight-color: transparent;
}
.zd-popup-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(var(--theme-primary-rgb), .5);
}
.zd-popup-btn:disabled {
  background: rgba(255,255,255,.08); color: #9ca3af;
  box-shadow: none; cursor: not-allowed;
}
/* 按钮下方的提示行：常驻为空，复制群号时临时显示提示 */
.zd-popup-note { text-align: center; font-size: 11px; color: #7d8499; margin-top: 10px; line-height: 1.5; min-height: 17px; }

@media (max-width: 480px) {
  .zd-popup-mask { padding: 14px; align-items: center; }
  .zd-popup { border-radius: 20px; }
  .zd-popup-body { padding: 26px 20px 0; }
  .zd-popup-foot { padding: 14px 20px 20px; }
}