/* ───────────── 成员后台／段位徽章（admin.css，载入于 ui.css 之后） ───────────── */

/* 段位徽章：青铜／白银／黄金／铂金／钻石／龙王 */
.tier-badge {
  --tier: #a3a6af;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 18px;
  padding: 0 7px 0 5px;
  border: 1px solid color-mix(in srgb, var(--tier) 38%, transparent);
  border-radius: 999px;
  color: var(--tier);
  background: color-mix(in srgb, var(--tier) 12%, transparent);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  white-space: nowrap;
  vertical-align: middle;
}
.tier-badge i {
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--tier);
  transform: rotate(45deg);
}
.tier-badge.tier-bronze { --tier: #c08457; }
.tier-badge.tier-silver { --tier: #b7bcc6; }
.tier-badge.tier-gold { --tier: #e2b93b; }
.tier-badge.tier-platinum { --tier: #7fc8d6; }
.tier-badge.tier-diamond { --tier: #6b9bff; }
.tier-badge.tier-dragon {
  --tier: #ff8a4c;
  background: linear-gradient(90deg, rgba(255, 138, 76, .16), rgba(240, 185, 11, .16));
}
.tier-badge-lg { height: 24px; padding: 0 10px 0 8px; font-size: 13px; }
.tier-badge-lg i { width: 9px; height: 9px; }
.home-tier-badge { margin-left: 6px; }
.leaderboard-row .tier-badge { margin-left: 6px; }

/* 排行榜：本月模式切换 */
.leaderboard-mode-switch {
  display: inline-flex;
  gap: 2px;
  padding: 2px;
  border: 1px solid var(--ui-stroke);
  border-radius: var(--ui-radius-s);
  background: var(--ui-bg-2);
  justify-self: start;
}
.leaderboard-mode-switch button {
  height: 28px;
  padding: 0 12px;
  border: 0;
  border-radius: 6px;
  color: var(--ui-text-2);
  background: transparent;
  font-size: 12.5px;
  cursor: pointer;
}
.leaderboard-mode-switch button.active { color: var(--ui-text); background: var(--ui-bg-4); }
.leaderboard-row.leaderboard-unqualified { opacity: .55; }
.leaderboard-month-note { color: var(--ui-text-3) !important; font-size: 12px !important; }

/* ── 成员后台外框 ── */
#memberAdminDialog.admin-console {
  width: min(1240px, calc(100vw - 24px));
  height: min(860px, calc(100dvh - 24px));
  max-height: calc(100dvh - 24px);
  padding: 0;
  border: 1px solid var(--ui-stroke-2) !important;
  border-radius: var(--ui-radius-l) !important;
  color: var(--ui-text);
  background: var(--ui-bg-1) !important;
  box-shadow: var(--ui-shadow-l, 0 30px 80px rgba(0, 0, 0, .6));
  overflow: hidden;
}
#memberAdminDialog.admin-console[open] { display: flex; flex-direction: column; inset: 0; margin: auto; }
.ac-shell > *, .ac-detail > * { flex-shrink: 0; }
.ac-shell > .ac-body { flex: 1 1 auto; min-height: 0; }
/* 详情打开时，列表只保留审批与详情按钮，其余操作在详情面板 */
#memberAdminDialog.ac-detail-open .ac-row .ac-actions .ac-btn:not(.ac-primary):not(.ac-danger-ghost):not([data-ac-action="detail"]) { display: none; }
#memberAdminDialog.ac-detail-open .ac-list-head,
#memberAdminDialog.ac-detail-open .ac-row { grid-template-columns: minmax(180px, 2fr) minmax(88px, .8fr) minmax(100px, 1fr) minmax(90px, .9fr) 176px; }
#memberAdminDialog.admin-console::backdrop { background: rgba(0, 0, 0, .62); backdrop-filter: blur(4px); }
.ac-shell {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
  min-height: 0;
  padding: 18px 20px 16px;
}

.ac-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.ac-title p {
  margin: 0 0 2px !important;
  color: var(--ui-text-3) !important;
  font-size: 11px !important;
  font-weight: 600;
  letter-spacing: .08em !important;
}
.ac-title h2 { margin: 0; color: var(--ui-text); font-size: 20px; font-weight: 650; letter-spacing: -.01em; }
.ac-viewer { display: flex; align-items: center; gap: 8px; margin-top: 6px; color: var(--ui-text-3); font-size: 12px; }
.ac-head-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px; }

/* ── 按钮 ── */
.admin-console .ac-btn,
.ac-confirm .ac-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 30px;
  min-width: 0;
  padding: 0 11px;
  border: 1px solid var(--ui-stroke-2) !important;
  border-radius: var(--ui-radius-s) !important;
  color: var(--ui-text) !important;
  background: var(--ui-bg-3) !important;
  font: 500 12.5px/1 var(--ui-font, inherit);
  white-space: nowrap;
  cursor: pointer;
  transition: background .15s var(--ui-ease), border-color .15s var(--ui-ease), opacity .15s;
}
.admin-console .ac-btn:hover:not(:disabled),
.ac-confirm .ac-btn:hover:not(:disabled) { background: var(--ui-bg-4) !important; border-color: var(--ui-stroke-3) !important; }
.admin-console .ac-btn:disabled,
.ac-confirm .ac-btn:disabled { opacity: .45; cursor: default; }
.admin-console .ac-btn:focus-visible,
.ac-confirm .ac-btn:focus-visible { outline: 2px solid var(--ui-accent); outline-offset: 1px; }
.admin-console .ac-btn.ac-primary,
.ac-confirm .ac-btn.ac-primary { border-color: transparent !important; color: #fff !important; background: var(--ui-accent) !important; }
.admin-console .ac-btn.ac-primary:hover:not(:disabled),
.ac-confirm .ac-btn.ac-primary:hover:not(:disabled) { background: var(--ui-accent-2) !important; }
.admin-console .ac-btn.ac-ghost { background: transparent !important; border-color: var(--ui-stroke) !important; color: var(--ui-text-2) !important; }
.admin-console .ac-btn.ac-danger-ghost { background: transparent !important; border-color: rgba(246, 70, 93, .35) !important; color: var(--ui-down) !important; }
.admin-console .ac-btn.ac-danger-ghost:hover:not(:disabled) { background: var(--ui-down-soft, rgba(246, 70, 93, .12)) !important; }
.admin-console .ac-btn.ac-danger,
.ac-confirm .ac-btn.ac-danger { border-color: transparent !important; color: #fff !important; background: var(--ui-down) !important; }
.admin-console .ac-btn.ac-icon-btn { width: 30px; padding: 0; font-size: 16px; }
.admin-console .ac-btn.active { border-color: var(--ui-accent) !important; color: var(--ui-accent-2) !important; }

/* ── 统计卡 ── */
.ac-stats { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 8px; }
.ac-stats [hidden] { display: none !important; }
.admin-console .ac-stat {
  display: grid;
  gap: 4px;
  min-width: 0;
  height: auto;
  padding: 10px 12px;
  border: 1px solid var(--ui-stroke) !important;
  border-radius: var(--ui-radius) !important;
  text-align: left;
  color: var(--ui-text-2) !important;
  background: var(--ui-bg-2) !important;
  font: inherit;
}
button.ac-stat { cursor: pointer; }
button.ac-stat:hover { border-color: var(--ui-stroke-2) !important; }
.ac-stat span { color: var(--ui-text-3); font-size: 11.5px; }
.ac-stat strong { color: var(--ui-text); font: 600 20px/1.1 var(--ui-mono); font-variant-numeric: tabular-nums; }
.ac-stat-warn strong { color: var(--ui-warn, #f0b90b); }

/* ── 分页标签 ── */
.ac-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--ui-stroke); overflow-x: auto; scrollbar-width: none; }
.ac-tabs [hidden] { display: none !important; }
.admin-console .ac-tabs button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  border: 0 !important;
  border-radius: 0 !important;
  color: var(--ui-text-2) !important;
  background: transparent !important;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}
.admin-console .ac-tabs button:hover { color: var(--ui-text) !important; }
.admin-console .ac-tabs button.active { color: var(--ui-text) !important; }
.admin-console .ac-tabs button.active::after {
  content: "";
  position: absolute;
  right: 10px;
  bottom: -1px;
  left: 10px;
  height: 2px;
  border-radius: 2px;
  background: var(--ui-accent);
}
.ac-tabs em {
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  color: #111 !important;
  background: var(--ui-warn, #f0b90b);
  font: 600 11px/18px var(--ui-mono);
  font-style: normal;
  text-align: center;
}

/* ── 工具列 ── */
.ac-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.ac-toolbar[hidden] { display: none; }
.admin-console .ac-toolbar input[type="search"] { flex: 1 1 240px; min-width: 0; height: 32px; }
.admin-console .ac-toolbar select { flex: 0 0 auto; width: auto; height: 32px; }
.admin-console .ac-toolbar input,
.admin-console .ac-toolbar select,
.admin-console .ac-create input,
.admin-console .ac-create select {
  padding: 0 10px !important;
  border: 1px solid var(--ui-stroke-2) !important;
  border-radius: var(--ui-radius-s) !important;
  color: var(--ui-text) !important;
  background: var(--ui-bg-2) !important;
  font-size: 13px !important;
}
.ac-create {
  display: grid;
  grid-template-columns: minmax(180px, 1.2fr) 1fr 1fr 110px auto;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--ui-stroke);
  border-radius: var(--ui-radius);
  background: var(--ui-bg-2);
}
.ac-create[hidden] { display: none !important; }
.ac-create > div { display: grid; gap: 2px; }
.ac-create > div strong { color: var(--ui-text); font-size: 13px; }
.ac-create > div span { color: var(--ui-text-3); font-size: 11.5px; }
.admin-console .ac-create input,
.admin-console .ac-create select { height: 32px; }
.ac-create .dialog-error { grid-column: 1 / -1; margin: 0; }
.ac-create .dialog-error:empty { display: none; }

/* ── 列表＋详情 ── */
.ac-body { position: relative; display: flex; flex: 1 1 auto; gap: 12px; min-height: 0; }
.ac-list {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
  border: 1px solid var(--ui-stroke);
  border-radius: var(--ui-radius);
  background: var(--ui-bg);
}
.ac-list-head,
.ac-row {
  display: grid;
  grid-template-columns: minmax(220px, 2.1fr) minmax(92px, .8fr) minmax(110px, 1fr) minmax(100px, .9fr) minmax(220px, 2fr);
  align-items: center;
  gap: 12px;
  padding: 0 14px;
}
.ac-list-head {
  position: sticky;
  top: 0;
  z-index: 1;
  height: 32px;
  border-bottom: 1px solid var(--ui-stroke);
  color: var(--ui-text-3);
  background: var(--ui-bg-1);
  font-size: 11.5px;
}
.ac-list-head span:last-child { text-align: right; }
.ac-row {
  min-height: 64px;
  border-bottom: 1px solid var(--ui-stroke);
  cursor: pointer;
  transition: background .12s var(--ui-ease);
}
.ac-row:last-child { border-bottom: 0; }
.ac-row:hover { background: rgba(255, 255, 255, .025); }
.ac-row.selected { background: var(--ui-accent-soft); box-shadow: inset 2px 0 0 var(--ui-accent); }
.ac-row.ac-status-pending { box-shadow: inset 2px 0 0 var(--ui-warn, #f0b90b); }
.ac-row.ac-status-blocked .ac-member-text strong { color: var(--ui-text-3); }
.ac-cell { display: grid; gap: 3px; min-width: 0; }
.ac-cell > strong { color: var(--ui-text); font-size: 13px; font-weight: 600; }
.ac-cell > small { overflow: hidden; color: var(--ui-text-3); font-size: 11.5px; text-overflow: ellipsis; white-space: nowrap; }
.ac-num > strong { font-family: var(--ui-mono); font-variant-numeric: tabular-nums; }
.ac-up { color: var(--ui-up) !important; }
.ac-down { color: var(--ui-down) !important; }
.ac-member { grid-template-columns: 36px minmax(0, 1fr); align-items: center; gap: 10px; }
.admin-console .ac-avatar {
  display: grid;
  place-items: center;
  width: 36px !important;
  height: 36px !important;
  border-radius: 50%;
  font-size: 17px;
}
.admin-console .ac-avatar-lg { width: 48px !important; height: 48px !important; font-size: 22px; }
.ac-member-text { display: grid; gap: 4px; min-width: 0; }
.ac-member-text strong { display: flex; align-items: center; gap: 6px; overflow: hidden; color: var(--ui-text); font-size: 13.5px; font-weight: 600; text-overflow: ellipsis; white-space: nowrap; }
.ac-member-text > span { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; }
.ac-profile { display: flex; flex-wrap: wrap; gap: 4px 8px; color: var(--ui-text-3); font-size: 11px; }
.ac-profile span + span::before { content: "·"; margin-right: 8px; color: var(--ui-stroke-3); }
.ac-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 6px; }
.ac-empty { margin: 0; padding: 48px 16px; color: var(--ui-text-3) !important; text-align: center; }

.ac-chip {
  display: inline-flex;
  align-items: center;
  height: 18px;
  padding: 0 7px;
  border: 1px solid var(--ui-stroke-2);
  border-radius: 999px;
  color: var(--ui-text-2);
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.ac-chip-admin { border-color: rgba(61, 123, 255, .45); color: var(--ui-accent-2); background: var(--ui-accent-soft); }
.ac-chip-teacher { border-color: rgba(14, 203, 129, .35); color: var(--ui-up); background: var(--ui-up-soft, rgba(14, 203, 129, .12)); }
.ac-chip-warn { border-color: rgba(240, 185, 11, .4); color: var(--ui-warn, #f0b90b); }
.ac-chip-down { border-color: rgba(246, 70, 93, .4); color: var(--ui-down); }
.ac-viewer .ac-chip { height: 20px; }
.ac-dot { flex: 0 0 auto; width: 7px; height: 7px; border-radius: 50%; background: var(--ui-text-3); }
.ac-dot-online { background: var(--ui-up); box-shadow: 0 0 0 3px rgba(14, 203, 129, .18); }
.ac-dot-today { background: var(--ui-accent-2); }
.ac-dot-week { background: #8a8f99; }
.ac-dot-dormant, .ac-dot-never { background: transparent; border: 1px solid var(--ui-text-3); }
.ac-muted { color: var(--ui-text-3); font-size: 12px; }

/* 详情面板 */
.ac-detail {
  display: flex;
  flex: 0 0 340px;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
  padding: 16px;
  overflow-y: auto;
  border: 1px solid var(--ui-stroke-2);
  border-radius: var(--ui-radius);
  background: var(--ui-bg-2);
  animation: ac-slide .18s var(--ui-ease);
}
.ac-detail[hidden] { display: none; }
@keyframes ac-slide { from { opacity: 0; transform: translateX(8px); } to { opacity: 1; transform: none; } }
.ac-detail-head { display: grid; grid-template-columns: 48px minmax(0, 1fr) 30px; align-items: center; gap: 12px; }
.ac-detail-head h3 { margin: 0 0 4px; overflow: hidden; color: var(--ui-text) !important; font-size: 17px !important; text-overflow: ellipsis; white-space: nowrap; }
.ac-detail-head span { display: flex; flex-wrap: wrap; gap: 4px; }
.ac-tier-card { display: grid; gap: 8px; padding: 12px; border: 1px solid var(--ui-stroke); border-radius: var(--ui-radius-s); background: var(--ui-bg-1); }
.ac-tier-card > div:first-child { display: grid; gap: 6px; justify-items: start; }
.ac-tier-card > div:first-child > span { color: var(--ui-text-3); font-size: 11.5px; line-height: 1.5; }
.ac-progress { height: 4px; overflow: hidden; border-radius: 4px; background: var(--ui-bg-4); }
.ac-progress i { display: block; height: 100%; border-radius: 4px; background: var(--ui-accent); transition: width .3s var(--ui-ease); }
.ac-stat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; overflow: hidden; border: 1px solid var(--ui-stroke); border-radius: var(--ui-radius-s); background: var(--ui-stroke); }
.ac-stat-grid > div { display: grid; gap: 3px; padding: 9px 10px; background: var(--ui-bg-1); }
.ac-stat-grid span { color: var(--ui-text-3); font-size: 11px; }
.ac-stat-grid strong { overflow: hidden; color: var(--ui-text); font: 600 13px/1.2 var(--ui-mono); text-overflow: ellipsis; white-space: nowrap; }
.ac-info { display: grid; gap: 0; margin: 0; }
.ac-info > div { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px dashed var(--ui-stroke); }
.ac-info dt { color: var(--ui-text-3); font-size: 12px; }
.ac-info dd { margin: 0; overflow: hidden; color: var(--ui-text); font-size: 12px; text-align: right; text-overflow: ellipsis; white-space: nowrap; }
.ac-action-group { display: grid; gap: 8px; }
.ac-action-group h4 { margin: 0; color: var(--ui-text-3); font-size: 11px; font-weight: 600; letter-spacing: .06em; }
.ac-action-group > div { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.ac-segment { display: inline-flex; gap: 2px; padding: 2px; border: 1px solid var(--ui-stroke-2); border-radius: var(--ui-radius-s); background: var(--ui-bg-1); }
.admin-console .ac-segment button {
  height: 26px;
  padding: 0 14px;
  border: 0 !important;
  border-radius: 6px !important;
  color: var(--ui-text-2) !important;
  background: transparent !important;
  font-size: 12.5px;
  cursor: pointer;
}
.admin-console .ac-segment button.active { color: #fff !important; background: var(--ui-accent) !important; }
.ac-history p { margin: 0 !important; color: var(--ui-text-2) !important; font-size: 12px !important; line-height: 1.5 !important; }
.ac-history time { margin-right: 6px; color: var(--ui-text-3); font-family: var(--ui-mono); font-size: 11px; }

/* 操作记录 */
.ac-log-head,
.ac-log-row {
  display: grid;
  grid-template-columns: 140px 110px minmax(100px, 1fr) minmax(140px, 1.4fr) 130px;
  align-items: center;
  gap: 12px;
  padding: 0 14px;
}
.ac-log-head { position: sticky; top: 0; height: 32px; border-bottom: 1px solid var(--ui-stroke); color: var(--ui-text-3); background: var(--ui-bg-1); font-size: 11.5px; }
.ac-log-row { min-height: 40px; border-bottom: 1px solid var(--ui-stroke); color: var(--ui-text-2); font-size: 12.5px; }
.ac-log-row time { color: var(--ui-text-3); font-family: var(--ui-mono); font-size: 11.5px; }
.ac-log-action { color: var(--ui-text); font-weight: 500; }
.ac-log-score_reset, .ac-log-approve, .ac-log-unblock, .ac-log-create { color: var(--ui-up); }
.ac-log-reject, .ac-log-block, .ac-log-delete { color: var(--ui-down); }
.ac-log-role { color: var(--ui-accent-2); }
.ac-log-target { color: var(--ui-text); }
.ac-log-change { font-family: var(--ui-mono); font-size: 11.5px; }
.ac-log-actor small { margin-left: 6px; color: var(--ui-text-3); font-size: 11px; }

/* 确认对话框 */
.ac-confirm {
  width: min(420px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--ui-stroke-2);
  border-radius: var(--ui-radius-l);
  color: var(--ui-text);
  background: var(--ui-bg-2);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
}
.ac-confirm::backdrop { background: rgba(0, 0, 0, .5); }
.ac-confirm form { display: grid; gap: 12px; padding: 20px !important; }
.ac-confirm h3 { margin: 0; color: var(--ui-text) !important; font-size: 16px !important; font-weight: 650; }
.ac-confirm p { margin: 0; color: var(--ui-text-2) !important; font-size: 13px !important; line-height: 1.6 !important; }
.ac-confirm label { display: grid; gap: 6px; color: var(--ui-text-2); font-size: 12px; }
.ac-confirm label[hidden] { display: none; }
.ac-confirm input {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--ui-stroke-2);
  border-radius: var(--ui-radius-s);
  color: var(--ui-text);
  background: var(--ui-bg-1);
  font: 500 14px var(--ui-mono);
}
.ac-confirm input:focus { outline: none; border-color: var(--ui-accent); box-shadow: 0 0 0 3px var(--ui-accent-soft); }
.ac-confirm .dialog-error:empty { display: none; }
.ac-confirm-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 4px; }
.ac-confirm .ac-btn { height: 34px; padding: 0 16px; }

/* 老师版（精简权限） */
#memberAdminDialog.ac-teacher-view .ac-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ── 响应式 ── */
@media (max-width: 1080px) {
  .ac-list-head, .ac-row { grid-template-columns: minmax(200px, 2fr) 90px 100px minmax(170px, 1.6fr); }
  .ac-list-head span:nth-child(4), .ac-row > .ac-cell:nth-child(4) { display: none; }
  #memberAdminDialog.ac-detail-open .ac-detail { position: absolute; top: 0; right: 0; bottom: 0; z-index: 3; width: min(360px, 100%); box-shadow: -20px 0 40px rgba(0, 0, 0, .45); }
}
@media (max-width: 760px) {
  #memberAdminDialog.admin-console { width: 100vw; height: 100dvh; max-height: 100dvh; border-radius: 0 !important; }
  .ac-shell { padding: 14px 16px; }
  .ac-head { flex-direction: column; gap: 8px; }
  .ac-head-actions { justify-content: flex-start; }
  .ac-stats, #memberAdminDialog.ac-teacher-view .ac-stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ac-stat strong { font-size: 17px; }
  .ac-create { grid-template-columns: 1fr 1fr; }
  .ac-create > div { grid-column: 1 / -1; }
  .ac-list-head { display: none; }
  .ac-row { grid-template-columns: 1fr auto; gap: 8px; padding: 10px 12px; }
  .ac-row > .ac-cell:nth-child(3), .ac-row > .ac-cell:nth-child(4) { display: none; }
  .ac-row > .ac-actions { grid-column: 1 / -1; justify-content: flex-start; }
  .ac-log-head { display: none; }
  .ac-log-row { grid-template-columns: 1fr 1fr; gap: 4px 12px; padding: 10px 12px; }
  #memberAdminDialog.ac-detail-open .ac-detail { width: 100%; }
}