/* ==========================================================================
   后台专属样式（admin.css）
   只在 /admin/ 目录页面加载，与前台的 style.css 共用 CSS 变量，保证品牌一致。
   模块：后台导航 / KPI 卡 / 条形图 / 键值表 / 表单补充 / 广告与 Banner 预览
   ========================================================================== */

/* ---------------- 1. 后台导航条 ---------------- */
.admin-nav {
  position: sticky; top: 0; z-index: 40;
  margin: 0 0 18px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 20px rgba(15, 40, 90, .06);
  backdrop-filter: saturate(150%) blur(8px);
}
.admin-nav-inner {
  max-width: 1400px; margin: 0 auto;
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px;
}
.admin-brand {
  display: inline-flex; align-items: center; gap: 8px;
  flex: 0 0 auto;
  font-size: 15px; font-weight: 800; color: var(--text);
  letter-spacing: .3px;
}
.admin-brand em {
  font-style: normal; font-size: 11px; font-weight: 700;
  padding: 2px 7px; border-radius: 999px;
  background: var(--primary-soft); color: var(--primary);
}
.admin-brand-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 0 0 3px var(--primary-soft);
}
.admin-nav-list {
  display: flex; align-items: center; gap: 2px;
  flex: 1 1 auto; min-width: 0;
  overflow-x: auto; scrollbar-width: none;
  list-style: none; margin: 0; padding: 0;
}
.admin-nav-list::-webkit-scrollbar { display: none; }
.admin-nav-link {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 10px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600; color: var(--text-2);
  white-space: nowrap; transition: all .16s;
}
.admin-nav-link:hover { color: var(--primary); background: var(--primary-soft); }
.admin-nav-link.active {
  color: #fff; background: var(--grad);
  box-shadow: 0 6px 16px var(--glow, rgba(22, 119, 255, .25));
}
.anl-ico { font-size: 13px; line-height: 1; }
.admin-nav-right { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }
.admin-nav-out {
  padding: 5px 11px; border-radius: 999px;
  font-size: 12.5px; font-weight: 600; color: var(--text-2);
  box-shadow: inset 0 0 0 1px var(--border);
  transition: all .16s;
}
.admin-nav-out:hover { color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.admin-nav-out.danger:hover { color: #dc2626; box-shadow: inset 0 0 0 1px #dc2626; }

/* ---------------- 2. KPI 卡片 ---------------- */
.kpi-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  margin-bottom: 18px;
}
.kpi-card {
  position: relative; overflow: hidden;
  padding: 16px 16px 14px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  transition: transform .18s, box-shadow .18s;
}
.kpi-card::after {
  content: ''; position: absolute; right: -18px; top: -18px;
  width: 62px; height: 62px; border-radius: 50%;
  background: var(--primary-soft);
}
.kpi-card:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(15, 40, 90, .1); }
.kpi-value {
  position: relative; z-index: 1;
  font-size: 26px; font-weight: 800; line-height: 1.15;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}
.kpi-label { position: relative; z-index: 1; margin-top: 4px; font-size: 12.5px; font-weight: 600; color: var(--text-2); }
.kpi-sub { position: relative; z-index: 1; margin-top: 2px; font-size: 11px; color: var(--text-2); opacity: .8; }
.kpi-card.is-link { cursor: pointer; }

/* ---------------- 3. 条形分布图 ---------------- */
.bar-chart { display: flex; flex-direction: column; gap: 9px; }
.bar-row { display: flex; align-items: center; gap: 9px; font-size: 12.5px; }
.bar-label { flex: 0 0 92px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track {
  flex: 1 1 auto; height: 14px; border-radius: 7px;
  background: var(--primary-soft); overflow: hidden;
}
.bar-track i {
  display: block; height: 100%; border-radius: 7px;
  background: var(--grad);
  transition: width .4s ease;
}
.bar-num { flex: 0 0 34px; text-align: right; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }

/* ---------------- 4. 键值信息表 ---------------- */
.kv-list { display: flex; flex-direction: column; }
.kv-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 9px 0; border-bottom: 1px dashed var(--border);
  font-size: 13px;
}
.kv-row:last-child { border-bottom: 0; }
.kv-row > span { color: var(--text-2); }
.kv-row > b { color: var(--text); }
.kv-row code, .kv-cell code { font-size: 12px; padding: 1px 6px; border-radius: 5px; background: var(--primary-soft); color: var(--primary); }

.kv-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}
.kv-cell {
  padding: 11px 13px; border-radius: var(--radius-sm);
  background: var(--bg); box-shadow: inset 0 0 0 1px var(--border);
  font-size: 13px;
}
.kv-cell span { display: block; font-size: 11.5px; color: var(--text-2); margin-bottom: 3px; }
.kv-cell b { color: var(--text); word-break: break-all; }
.kv-cell b.warn { color: #dc2626; }

/* ---------------- 5. 表单补充 ---------------- */
.chk-line {
  display: inline-flex; align-items: center; gap: 7px;
  margin: 4px 0 10px; font-size: 13px; color: var(--text);
  cursor: pointer; user-select: none;
}
.chk-line input[type="checkbox"] {
  width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer;
}
.field-tip { margin: 5px 0 0; font-size: 11.5px; color: var(--text-2); line-height: 1.6; }
.row-sub {
  margin-top: 2px; font-size: 11.8px; color: var(--text-2);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  white-space: normal;
}
.admin-links-tbl td { vertical-align: middle; }

/* ---------------- 6. 图片预览 / 缩略图 ---------------- */
.adm-thumb {
  width: 84px; height: 46px; object-fit: cover;
  border-radius: 7px; background: var(--bg);
  box-shadow: inset 0 0 0 1px var(--border);
}
.adm-banner-preview {
  margin: 4px 0 12px; padding: 8px;
  border-radius: var(--radius-sm);
  background: var(--bg); box-shadow: inset 0 0 0 1px var(--border);
}
.adm-banner-preview img { display: block; width: 100%; max-height: 160px; object-fit: contain; border-radius: 6px; }

.adm-banner-strip { display: flex; flex-wrap: wrap; gap: 8px; }
.adm-banner-cell {
  position: relative; width: 104px; height: 60px;
  border-radius: 8px; overflow: hidden;
  background: var(--bg); box-shadow: inset 0 0 0 1px var(--border);
}
.adm-banner-cell img { width: 100%; height: 100%; object-fit: cover; }
.adm-banner-cell.off img { filter: grayscale(1); opacity: .45; }
.adm-banner-sort {
  position: absolute; left: 5px; bottom: 4px;
  padding: 0 6px; border-radius: 999px;
  font-size: 10.5px; font-weight: 700; color: #fff;
  background: rgba(0, 0, 0, .55);
}

/* ---------------- 7. 广告位位置列表 ---------------- */
.pos-list { display: flex; flex-direction: column; gap: 6px; }
.pos-row {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 11px; border-radius: var(--radius-sm);
  background: var(--bg); font-size: 12.5px;
}
.pos-name { flex: 1 1 auto; color: var(--text); }
.pos-key {
  font-size: 11px; padding: 1px 6px; border-radius: 5px;
  background: var(--card); color: var(--text-2);
  box-shadow: inset 0 0 0 1px var(--border);
}
.pos-cnt { flex: 0 0 auto; color: var(--text-2); font-size: 11.5px; }
.pos-cnt.on { color: var(--primary); font-weight: 700; }

/* ---------------- 8. 卡密 ---------------- */
.code-cell {
  display: block; padding: 3px 8px; border-radius: 6px;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 12px; letter-spacing: .3px; line-height: 1.5;
  background: var(--primary-soft); color: var(--primary);
  cursor: copy; user-select: all; transition: all .15s;
  word-break: break-all; white-space: normal;
}
.code-cell:hover { box-shadow: inset 0 0 0 1px var(--primary); }
.panel-cards-new {
  margin-bottom: 18px;
  border-left: 3px solid var(--primary);
}
.ub-info { color: var(--primary); background: var(--primary-soft); }

/* ---------------- 9. 手机端 ---------------- */
@media (max-width: 768px) {
  .admin-nav-inner { padding: 8px 12px; gap: 10px; }
  .admin-brand em { display: none; }
  .admin-brand { font-size: 14px; }
  .admin-nav-link { padding: 6px 10px; font-size: 12.5px; }
  .admin-nav-right { gap: 6px; }
  .admin-nav-out { padding: 4px 9px; font-size: 12px; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
  .kpi-value { font-size: 21px; }
  .kpi-label { font-size: 11.5px; }
  .bar-label { flex-basis: 74px; font-size: 11.5px; }
  .adm-thumb { width: 64px; height: 38px; }
  .adm-banner-cell { width: 84px; height: 50px; }
}
@media (max-width: 420px) {
  .admin-brand { display: none; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kv-cell { padding: 9px 11px; }
}

/* 深色模式下略微提高对比 */
html[data-mode="dark"] .admin-nav { box-shadow: 0 6px 20px rgba(0, 0, 0, .35); }
html[data-mode="dark"] .bar-track { background: rgba(255, 255, 255, .1); }
html[data-mode="dark"] .ub-on  { color: #4ade80; background: rgba(74, 222, 128, .14); }
html[data-mode="dark"] .ub-off { color: #f87171; background: rgba(248, 113, 113, .14); }
/* ---------------- 10. 快捷操作宫格 ---------------- */
.quick-grid {
  display: grid; gap: 8px;
  grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
}
.quick-btn {
  display: flex; align-items: center; gap: 7px;
  padding: 11px 12px; border-radius: var(--radius-sm);
  background: var(--bg); color: var(--text);
  font-size: 13px; font-weight: 600;
  box-shadow: inset 0 0 0 1px var(--border);
  transition: all .16s;
}
.quick-btn span { font-size: 15px; line-height: 1; }
.quick-btn:hover {
  color: var(--primary); background: var(--primary-soft);
  box-shadow: inset 0 0 0 1px var(--primary);
  transform: translateY(-1px);
}

/* ---------------- 11. 后台隐藏前台外壳 ---------------- */
/* 后台有自己的 admin-nav，前台顶栏 / 悬浮联系面板 / 主题浮钮 都不需要 */
.is-admin .topnav,
.is-admin .contact-dock,
.is-admin .theme-switcher { display: none !important; }
.is-admin .portal-main { padding-top: 0; }
.is-admin .portal-footer { margin-top: 26px; }
.is-admin .admin-nav { margin-top: 0; }

/* 大屏 KPI 固定 4 列，8 个卡片排成整齐两行 */
@media (min-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
@media (min-width: 620px) and (max-width: 899px) {
  .kpi-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------------- 12. 卡密天数选择 ---------------- */
.day-presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.day-chip {
  padding: 5px 12px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--card);
  color: var(--text-2); font-size: 12.5px; font-weight: 600;
  cursor: pointer; transition: all .15s;
}
.day-chip:hover:not(:disabled) { color: var(--primary); border-color: var(--primary); }
.day-chip.on {
  color: #fff; background: var(--grad);
  border-color: transparent; box-shadow: 0 4px 12px var(--glow);
}
.day-chip:disabled { cursor: not-allowed; }
.day-badge {
  display: inline-block; padding: 0 6px; border-radius: 999px;
  font-size: 11px; font-weight: 700;
  background: var(--primary-soft); color: var(--primary);
}

/* ---------------- 13. 卡密：适用工具标签与筛选 ---------------- */
.tool-tag {
  display: inline-block; max-width: 112px;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11.5px; font-weight: 700;
  color: #7a5200;
  background: linear-gradient(135deg, #fff3cf, #ffe08a);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  vertical-align: middle;
}
.tool-filter {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}
.tf-chip {
  padding: 5px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; color: var(--text-2);
  box-shadow: inset 0 0 0 1px var(--border);
  transition: all .15s;
}
.tf-chip:hover { color: var(--primary); box-shadow: inset 0 0 0 1px var(--primary); }
.tf-chip.on {
  color: #fff; background: var(--grad);
  box-shadow: 0 4px 12px var(--glow);
}