/* ========================================================================
   群号导航 · 商业版 (飞书/语雀 风格)
   - 白底 + 强分割线
   - 灰色 token 体系
   - 细描边 + 卡片 + 状态徽章
   - 高数据密度,克制配色
   ======================================================================== */

:root {
  /* 中性灰 */
  --bg:           #f7f8fa;
  --surface:      #ffffff;
  --surface-2:    #f2f3f5;
  --surface-3:    #e8eaed;

  /* 文字 */
  --ink:          #1f2329;
  --ink-2:        #4e5969;
  --ink-soft:     #86909c;
  --ink-mute:     #c9cdd4;

  /* 描边 */
  --line:         #e5e6eb;
  --line-2:       #edf0f3;
  --border:       #e5e6eb;

  /* 品牌(信任蓝) */
  --primary:      #1d4ed8;
  --primary-hover:#1e40af;
  --primary-soft: #eff4ff;

  /* 强调色(VIP / 进群按钮) */
  --accent:       #f59e0b;
  --accent-hover: #d97706;

  /* 状态色 */
  --success:      #00b42a;
  --success-bg:   #e8f8eb;
  --warning:      #ff7d00;
  --warning-bg:   #fff3e0;
  --danger:       #f53f3f;
  --danger-bg:    #ffece8;
  --info:         #165dff;
  --info-bg:      #e8f3ff;

  /* 子分类色 */
  --cat-meme:     #f53f3f;
  --cat-spot:     #00b42a;
  --cat-futures:  #ff7d00;
  --cat-airdrop:  #8b5cf6;
  --cat-us:       #1d4ed8;
  --cat-hk:       #06b6d4;
  --cat-gold:     #eab308;

  /* 圆角 / 阴影 */
  --r-sm: 4px;
  --r:    6px;
  --r-md: 8px;
  --r-lg: 10px;
  --sh-sm: 0 1px 2px rgba(31, 35, 41, 0.04);
  --sh:    0 2px 8px rgba(31, 35, 41, 0.06);

  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Roboto Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea {
  font-family: inherit;
}

/* ========================================================================
   页面布局
   ======================================================================== */

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ========================================================================
   顶部品牌区
   ======================================================================== */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.brand-text h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--ink);
  line-height: 1.2;
}
.brand-sub {
  margin: 2px 0 0;
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.3px;
  font-weight: 500;
  text-transform: uppercase;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.kpi {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0 14px;
  border-left: 1px solid var(--line-2);
  line-height: 1.1;
}
.kpi:first-of-type { border-left: none; padding-left: 0; }
.kpi-num {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}
.kpi-num b {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  font-feature-settings: "tnum";
  letter-spacing: -0.5px;
}
.kpi-num i {
  font-size: 11px;
  color: var(--ink-soft);
  font-style: normal;
  font-weight: 500;
  margin-left: 1px;
}
.kpi-cap {
  font-size: 10.5px;
  color: var(--ink-soft);
  font-weight: 500;
  margin-top: 3px;
  letter-spacing: 0.2px;
}

/* ========================================================================
   按钮
   ======================================================================== */

.primary-btn,
.ghost-btn,
.ghost-btn-sm,
.danger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: var(--r);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  padding: 0 12px;
  height: 32px;
  border: 1px solid transparent;
  user-select: none;
}

.primary-btn {
  background: var(--primary);
  color: #fff;
}
.primary-btn:hover { background: var(--primary-hover); }
.primary-btn:active { transform: scale(0.98); }

.ghost-btn {
  background: transparent;
  color: var(--ink-2);
  border-color: var(--line);
}
.ghost-btn:hover {
  background: var(--surface-2);
  color: var(--ink);
  border-color: var(--ink-mute);
}
.ghost-btn.danger { color: var(--danger); }
.ghost-btn.danger:hover {
  background: var(--danger-bg);
  border-color: var(--danger);
}

.ghost-btn-sm {
  background: transparent;
  color: var(--ink-2);
  border-color: var(--line);
  padding: 0 10px;
  font-size: 12px;
  height: 30px;
}
.ghost-btn-sm:hover {
  background: var(--surface-2);
  color: var(--ink);
}

.danger-btn {
  background: var(--danger);
  color: #fff;
}
.danger-btn:hover { background: #d83333; }

/* ========================================================================
   大分类卡(极简: 名称 + icon + 群数)
   ======================================================================== */

.cat-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}
.cat-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  text-align: left;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  font-family: inherit;
}
.cat-card:hover {
  border-color: var(--ink-mute);
}
.cat-card.active {
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--primary);
}
.cat-card.active .cat-name { color: var(--primary); }
.cat-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  flex-shrink: 0;
}
.cat-icon-coin {
  background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
  color: #fff;
}
.cat-icon-stock {
  background: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
  color: #fff;
}
.cat-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.2px;
  flex: 1;
}
.cat-count {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}
.cat-count b {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  font-feature-settings: "tnum";
}
.cat-count i {
  font-size: 11px;
  color: var(--ink-soft);
  font-style: normal;
  font-weight: 500;
}
.tab.active .tab-count {
  color: var(--ink);
  background: var(--surface-3);
}

/* ========================================================================
   二级子分类筛选 chips
   ======================================================================== */

.subcat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-2);
}
.subcat-row[hidden] { display: none !important; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  cursor: pointer;
  transition: all 0.15s;
}
.chip:hover {
  background: var(--surface-2);
  border-color: var(--ink-mute);
}
.chip-active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(29, 78, 216, 0.2);
}
.chip-active .chip-count {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}
.chip-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 16px;
  height: 16px;
  padding: 0 5px;
  font-size: 10.5px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--surface-2);
  border-radius: 8px;
  font-feature-settings: "tnum";
}
.chip-active .chip-count {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}
.chip-dot {
  display: none;
}
.chip-dot-meme    { background: var(--cat-meme); }
.chip-dot-spot    { background: var(--cat-spot); }
.chip-dot-futures { background: var(--cat-futures); }
.chip-dot-airdrop { background: var(--cat-airdrop); }
.chip-dot-us      { background: var(--cat-us); }
.chip-dot-hk      { background: var(--cat-hk); }
.chip-dot-gold    { background: var(--cat-gold); }

/* ========================================================================
   工具栏 (类型筛选 + 搜索)
   ======================================================================== */

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sort-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.sort-select {
  height: 32px;
  padding: 0 26px 0 10px;
  font-size: 13px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2386909c' stroke-width='2.5'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 14px;
  cursor: pointer;
  transition: border-color 0.15s;
  font-family: inherit;
}
.sort-select:hover { border-color: var(--ink-mute); }
.sort-select:focus { border-color: var(--primary); }
.type-filter {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.toolbar-label {
  font-size: 12px;
  color: var(--ink-soft);
  margin-right: 4px;
  font-weight: 500;
}
.check-pill {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}
.check-pill input { display: none; }
.check-pill span {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: all 0.15s;
}
.check-pill input:checked + span {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(29, 78, 216, 0.2);
}
.check-pill:hover span { background: var(--surface-2); }

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  width: 280px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.search-wrap:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(31, 35, 41, 0.08);
}
.search-icon {
  margin-left: 10px;
  color: var(--ink-soft);
  flex-shrink: 0;
}
.search-wrap input {
  flex: 1;
  border: none;
  outline: none;
  padding: 0 8px;
  font-size: 13px;
  color: var(--ink);
  background: transparent;
  min-width: 0;
}
.search-wrap input::placeholder { color: var(--ink-mute); }
.search-clear {
  width: 18px;
  height: 18px;
  margin-right: 6px;
  font-size: 14px;
  color: var(--ink-soft);
  background: var(--surface-3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.search-clear:hover { color: var(--ink); background: var(--ink-mute); }

/* ========================================================================
   卡片列表
   ======================================================================== */

.list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

/* ========================================================================
   卡片(三栏克制版)
   ======================================================================== */

.card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-2);
  border-radius: 12px;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s, border-left-color 0.18s;
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: var(--ink-mute);
  border-left-color: var(--primary);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06), 0 12px 28px rgba(15, 23, 42, 0.08);
  transform: translateY(-1px);
}
/* 按类型着 accent 边 */
.card[data-type="qq"] { border-left-color: #06b6d4; }
.card[data-type="qq"]:hover { border-left-color: #0891b2; }
.card[data-type="tg"] { border-left-color: #6366f1; }
.card[data-type="tg"]:hover { border-left-color: #4f46e5; }
.card[data-type="other"] { border-left-color: #94a3b8; }
.card[data-type="other"]:hover { border-left-color: #64748b; }

/* 左栏: avatar + main */
.card-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}
.card-avatar {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  flex-shrink: 0;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.5px;
  border: none;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
  outline: 2px solid transparent;
  outline-offset: -2px;
}
.card-avatar-wrap {
  position: relative;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: block;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
  outline: 2px solid transparent;
  outline-offset: -2px;
  transition: outline-color 0.18s, box-shadow 0.18s;
}
.card[data-type="qq"] .card-avatar-wrap { outline-color: rgba(6, 182, 212, 0.35); }
.card[data-type="tg"] .card-avatar-wrap { outline-color: rgba(99, 102, 241, 0.35); }
.card[data-type="other"] .card-avatar-wrap { outline-color: rgba(148, 163, 184, 0.35); }
.card:hover .card-avatar-wrap { box-shadow: 0 2px 8px rgba(15, 23, 42, 0.12); }
.card[data-type="qq"]:hover .card-avatar-wrap { outline-color: #06b6d4; }
.card[data-type="tg"]:hover .card-avatar-wrap { outline-color: #6366f1; }
.card[data-type="other"]:hover .card-avatar-wrap { outline-color: #94a3b8; }
.card-avatar-wrap .card-avatar-letter {
  position: absolute;
  inset: 0;
  border-radius: 12px;
  transition: opacity 0.2s;
}
.card-avatar-wrap .card-avatar-img {
  display: block;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--surface-2);
  object-fit: cover;
  position: relative;
  z-index: 1;
}
.card-main {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.card-row1 {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.card-row2 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-soft);
}
.card-name {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 220px;
  letter-spacing: -0.1px;
}
.card-num {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.2px;
}

/* chip 合并: TG · 撸毛 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--surface-2);
  border-radius: 5px;
  border: 1px solid var(--line-2);
  line-height: 1.5;
  flex-shrink: 0;
}
.tag::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.5;
  flex-shrink: 0;
}
.tag-qq { color: #06b6d4; }
.tag-tg { color: #6366f1; }
.tag-other { color: var(--ink-soft); }
.tag-subcat-meme    { color: var(--cat-meme); }
.tag-subcat-spot    { color: var(--cat-spot); }
.tag-subcat-futures { color: var(--cat-futures); }
.tag-subcat-airdrop { color: var(--cat-airdrop); }
.tag-subcat-us      { color: var(--cat-us); }
.tag-subcat-hk      { color: var(--cat-hk); }
.tag-subcat-gold    { color: var(--cat-gold); }
.tag-subcat-none    { color: var(--ink-mute); }

/* 状态标签(将满 / 已满) */
.card-status {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: 10.5px;
  font-weight: 600;
  border-radius: 4px;
  line-height: 1.5;
}
.status-warn { background: #fff7ed; color: #c2410c; border: 1px solid #fed7aa; }
.status-full { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* 右栏: 容量 + 操作 */
.card-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.cap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  min-width: 124px;
  padding: 6px 10px;
  background: linear-gradient(135deg, var(--surface-2), #fafbfc);
  border-radius: 8px;
  border: 1px solid var(--line-2);
  transition: border-color 0.18s, background 0.18s;
}
.card:hover .cap {
  border-color: var(--line);
  background: linear-gradient(135deg, #f0f9ff, #fafbfc);
}
.cap-only {
  flex: 1;
  flex-direction: row;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  min-width: 0;
}
.cap-label {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 9.5px;
  font-weight: 700;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  line-height: 1;
  padding: 3px 6px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 4px;
  border: 1px solid var(--line-2);
}
.card:hover .cap-label {
  color: var(--primary);
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--primary);
  border-color: rgba(99, 102, 241, 0.2);
}
.cap-icon {
  color: var(--primary);
  opacity: 0.9;
  flex-shrink: 0;
}
.cap-track {
  width: 100%;
  height: 4px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.cap-track::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: cap-shimmer 2s ease-in-out infinite;
  opacity: 0;
  transition: opacity 0.2s;
}
.card:hover .cap-track::after { opacity: 1; }
@keyframes cap-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.cap-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cat-spot), #10b981);
  border-radius: 999px;
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}
.cap-fill.is-warn { background: linear-gradient(90deg, #f59e0b, #f97316); }
.cap-fill.is-full { background: linear-gradient(90deg, #ef4444, #dc2626); }
.cap-num {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  font-feature-settings: "tnum";
  letter-spacing: -0.2px;
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.cap-num b {
  font-weight: 700;
  color: var(--ink);
  font-size: 14px;
  letter-spacing: -0.3px;
}
.cap-num i {
  font-size: 11px;
  font-weight: 500;
  color: var(--ink-soft);
  font-style: normal;
  margin-left: 1px;
}
.cap-num-large b {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.4px;
  background: linear-gradient(135deg, var(--ink), #1e40af);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cap-num-large i {
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-left: 3px;
  font-weight: 500;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}
.card-join {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 14px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border-radius: 7px;
  text-decoration: none;
  transition: background 0.15s;
  white-space: nowrap;
}
.card-join:hover { background: var(--primary-hover); }
.card-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-soft);
  border-radius: 7px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.card-icon-btn:hover {
  border-color: var(--ink-mute);
  color: var(--ink);
  background: var(--surface-2);
}

/* (旧的 .action-btn 系列已被 .card-join / .card-icon-btn 取代) */

/* ========================================================================
   类型徽章 / 子分类标签
   ======================================================================== */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 600;
  border-radius: var(--r-sm);
  letter-spacing: 0.2px;
  font-feature-settings: "tnum";
}
.tag-qq    { color: #165dff; background: var(--info-bg); }
.tag-tg    { color: #165dff; background: var(--info-bg); }
.tag-other { color: var(--ink-soft); background: var(--surface-2); }

.tag-subcat {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 8px;
  font-size: 11.5px;
  font-weight: 500;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--ink-2);
}
.tag-subcat .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.tag-subcat-meme    .dot { background: var(--cat-meme); }
.tag-subcat-spot    .dot { background: var(--cat-spot); }
.tag-subcat-futures .dot { background: var(--cat-futures); }

/* ========================================================================
   空状态
   ======================================================================== */

.empty {
  margin: 60px auto;
  text-align: center;
  color: var(--ink-soft);
  max-width: 360px;
}
.empty-title {
  font-size: 15px;
  color: var(--ink-2);
  font-weight: 600;
  margin: 0 0 6px;
}
.empty-tip {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0;
}

/* ========================================================================
   Footer
   ======================================================================== */

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.footer-meta {
  font-size: 12px;
  color: var(--ink-soft);
}
.footer-meta b {
  color: var(--ink);
  font-weight: 600;
  font-feature-settings: "tnum";
}
.footer-actions {
  display: flex;
  gap: 8px;
}

/* ========================================================================
   Modal
   ======================================================================== */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal[hidden] { display: none; }

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(31, 35, 41, 0.45);
  backdrop-filter: blur(2px);
}

.modal-card {
  position: relative;
  width: 480px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 64px);
  background: var(--surface);
  border-radius: var(--r-md);
  box-shadow: 0 12px 48px rgba(31, 35, 41, 0.18);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.modal-card-sm { width: 400px; }

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-2);
}
.modal-head h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}
.modal-close {
  width: 28px;
  height: 28px;
  font-size: 18px;
  color: var(--ink-soft);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.modal-close:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}
.modal-desc {
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--ink-soft);
}

.modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--line-2);
  background: var(--surface-2);
}

/* ========================================================================
   表单字段
   ======================================================================== */

.field {
  display: block;
  margin-bottom: 14px;
}
.field-label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.field-hint {
  font-style: normal;
  font-weight: 400;
  color: var(--ink-soft);
  font-size: 11.5px;
  margin-left: 4px;
}
.field input[type="text"],
.field input[type="password"],
.field input[type="search"],
.field input[type="number"],
.field textarea {
  width: 100%;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus,
.field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(31, 35, 41, 0.08);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--ink-mute); }

/* 类型 / 子分类 pill */
.type-pills, .subcat-pills, .cat-pills {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.type-pill, .subcat-pill, .cat-pill {
  cursor: pointer;
  user-select: none;
}
.type-pill input, .subcat-pill input, .cat-pill input { display: none; }
.type-pill span, .subcat-pill span, .cat-pill span {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: all 0.15s;
}
.type-pill:hover span,
.subcat-pill:hover span,
.cat-pill:hover span { background: var(--surface-2); }
.type-pill input:checked + span,
.subcat-pill input:checked + span,
.cat-pill input:checked + span {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
  font-weight: 600;
}
.cat-pill span { padding: 7px 14px; font-size: 13px; }

/* ========================================================================
   QQ 详情 hint
   ======================================================================== */

.qq-hint {
  margin-top: 6px;
  font-size: 12px;
  padding: 5px 9px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--ink-2);
  border-left: 2px solid var(--border);
}
.qq-hint.ok { border-left-color: var(--success); color: #005820; background: var(--success-bg); }
.qq-hint.err { border-left-color: var(--danger); color: #a0201c; background: var(--danger-bg); }
.qq-hint.loading { border-left-color: var(--info); color: #0050b3; background: var(--info-bg); }

/* ========================================================================
   Confirm
   ======================================================================== */

.confirm-msg {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.6;
}

.err {
  margin: 6px 0 0;
  font-size: 12px;
  color: var(--danger);
  background: var(--danger-bg);
  padding: 6px 10px;
  border-radius: var(--r-sm);
}

/* ========================================================================
   Toast
   ======================================================================== */

.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 200;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: rgba(31, 35, 41, 0.92);
  border-radius: var(--r);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  backdrop-filter: blur(6px);
}

/* ========================================================================
   Utility: admin-only hidden
   ======================================================================== */

.admin-only[hidden] { display: none !important; }

/* ========================================================================
   Responsive — Mobile 优化
   断点策略:
   - ≤ 720px: 平板 / 大屏手机 (主移动端)
   - ≤ 480px: 小屏手机 (iPhone SE)
   - ≤ 360px: 极窄屏 (旧机型)
   ======================================================================== */

/* ---------- ≤ 720px 平板 / 大屏手机 ---------- */
@media (max-width: 720px) {
  .page { padding: 0 12px 60px; }

  /* 顶栏 — 紧凑: 品牌 + Admin 在第一行, KPI 折到第二行 */
  .topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 14px 0 12px;
  }
  .topbar-right {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
  }
  .brand-sub { display: none; }
  .kpi { padding: 0 10px; }
  .kpi:first-of-type { padding-left: 0; }
  .kpi-num b { font-size: 17px; }
  .kpi-cap { font-size: 10px; }

  /* 添加群按钮 — 永远显示在右上角(不依赖 admin 解锁) */
  #btnAdd {
    /* 管理员专属样式,移动端视觉补偿 */
    height: 30px;
    padding: 0 10px;
    font-size: 12.5px;
  }

  /* 大分类卡 — 极简卡片化 */
  .cat-cards { gap: 8px; }
  .cat-card { padding: 10px 12px; gap: 10px; }
  .cat-icon { width: 28px; height: 28px; }
  .cat-icon svg { width: 18px; height: 18px; }
  .cat-name { font-size: 15px; }
  .cat-count b { font-size: 13px; }

  /* 二级子分类 — 横滚 */
  .subcat-row {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding: 10px 0;
    gap: 6px;
    -webkit-overflow-scrolling: touch;
    /* 隐藏滚动条但保留功能 */
    scrollbar-width: none;
  }
  .subcat-row::-webkit-scrollbar { display: none; }
  .chip { flex-shrink: 0; }

  /* 工具栏 — 搜索独占一行, 类型 + 排序 折叠到 search 上方 */
  .toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px 0;
  }
  .toolbar-right {
    width: 100%;
    gap: 8px;
  }
  .search-wrap { width: 100%; flex: 1; }
  .type-filter {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .type-filter::-webkit-scrollbar { display: none; }
  .type-filter .check-pill { flex-shrink: 0; }
  .toolbar-label { display: none; }

  /* 卡片 — 重新布局: 头一排, 容量+按钮第二排 */
  .card {
    flex-wrap: wrap;
    padding: 12px 14px;
    gap: 8px;
    min-width: 0;  /* 防止 flex 内容撑开 */
  }
  .card-left { gap: 10px; min-width: 0; flex: 1 1 auto; }
  .card-avatar, .card-avatar-img { width: 40px; height: 40px; }
  .card-avatar-wrap { width: 40px; height: 40px; }
  .card-name { font-size: 14px; max-width: none; }
  .card-num { font-size: 11.5px; }

  /* 卡片右栏 — 移到下一行, 容量条 | 按钮组 */
  .card-right {
    width: 100%;
    justify-content: space-between;
    padding-top: 6px;
    border-top: 1px solid var(--line-2);
    gap: 10px;
    flex: 1 1 100%;
    min-width: 0;
  }
  .cap { min-width: 0; flex: 1; align-items: flex-start; }
  .cap-track { width: 100%; max-width: 120px; }
  .cap-label { font-size: 10px; }
  .cap-only { min-width: 0; flex: 1; align-items: center; justify-content: flex-start; }
  .cap-num-large b { font-size: 13px; }
  .card-actions { gap: 6px; flex-shrink: 0; }
  .card-join { padding: 0 12px; height: 30px; font-size: 12.5px; }
  .card-icon-btn { width: 28px; height: 28px; }

  /* Footer — 紧凑 */
  .footer {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    justify-content: space-between;
    font-size: 11.5px;
  }
  .footer-meta { font-size: 11.5px; }

  /* Modal — 几乎全屏 */
  .modal-card, .modal-card-sm {
    width: calc(100vw - 24px);
    max-height: calc(100vh - 32px);
    margin: 16px 12px;
  }
  .modal-body { padding: 16px; }
  .modal-foot { padding: 10px 16px; }
  .modal-head { padding: 14px 16px; }
  .modal-head h2 { font-size: 14.5px; }
}

/* ---------- ≤ 480px 小屏手机 (iPhone SE / 13mini) ---------- */
@media (max-width: 480px) {
  .page { padding: 0 10px 56px; }

  /* 顶栏 */
  .topbar { padding: 12px 0 10px; gap: 8px; }
  .brand-text h1 { font-size: 16px; }
  .brand-mark svg { width: 28px; height: 28px; }
  .topbar-right { gap: 6px; }
  .kpi { padding: 0 8px; }
  .kpi-num b { font-size: 15px; letter-spacing: -0.3px; }
  .kpi-num i { font-size: 10px; }
  .kpi-cap { font-size: 9.5px; margin-top: 2px; }
  #btnAdmin { padding: 0 8px; height: 28px; font-size: 12px; }
  #btnAdmin span { display: none; }  /* icon-only */
  #btnAdd { padding: 0 8px; height: 28px; font-size: 12px; }
  #btnAdd span { display: none; }  /* icon-only */

  /* 大分类卡 — 进一步缩小 */
  .cat-card { padding: 8px 10px; gap: 8px; }
  .cat-icon { width: 26px; height: 26px; border-radius: 6px; }
  .cat-icon svg { width: 16px; height: 16px; }
  .cat-name { font-size: 14px; }
  .cat-count b { font-size: 12px; }
  .cat-count i { font-size: 10px; }

  /* 子分类 chip 更小 */
  .chip { padding: 4px 9px; font-size: 12px; }
  .chip-count { font-size: 10px; min-width: 15px; height: 15px; padding: 0 4px; }

  /* 卡片 */
  .card { padding: 10px 12px; gap: 6px; }
  .card-avatar, .card-avatar-img { width: 36px; height: 36px; }
  .card-avatar-wrap { width: 36px; height: 36px; }
  .card-name { font-size: 13.5px; }
  .card-num { font-size: 11px; }
  .tag { font-size: 10.5px; padding: 1px 6px; }
  .card-status { font-size: 10px; padding: 1px 5px; }

  /* 卡片右栏 */
  .card-right { padding-top: 5px; gap: 8px; }
  .cap-num { font-size: 11.5px; }
  .cap-num i { font-size: 10px; }
  .card-join { padding: 0 10px; height: 28px; font-size: 12px; }
  .card-icon-btn { width: 26px; height: 26px; }

  /* Toolbar */
  .toolbar { padding: 8px 0; gap: 6px; }
  .search-wrap { height: 30px; }
  .search-wrap input { font-size: 13px; }
  .sort-select { height: 30px; font-size: 12.5px; padding: 0 24px 0 8px; }

  /* Footer */
  .footer { font-size: 11px; padding-top: 12px; margin-top: 24px; }
  .footer-meta { font-size: 11px; }
  .ghost-btn { padding: 0 10px; height: 28px; font-size: 12px; }
}

/* ---------- ≤ 360px 极窄屏 ---------- */
@media (max-width: 360px) {
  .page { padding: 0 8px 52px; }
  .topbar-right { gap: 4px; }
  .kpi { padding: 0 6px; }
  .cat-card { padding: 8px; gap: 6px; }
  .cat-name { font-size: 13px; }
  .card-name { max-width: 180px; font-size: 13px; }
  .card-row1 { gap: 6px; }
}
/* 全部刷新进度 */
.refresh-progress { margin-top: 16px; }
.refresh-bar {
  height: 8px;
  background: #e5e7eb;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 12px;
}
.refresh-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #1d4ed8);
  width: 0%;
  transition: width 0.3s ease;
}
.refresh-meta {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 12px;
}
.refresh-meta span:first-child {
  font-weight: 600;
  color: #1d4ed8;
}
.refresh-log {
  max-height: 240px;
  overflow-y: auto;
  font-size: 12px;
  font-family: ui-monospace, 'SF Mono', Monaco, Menlo, Consolas, monospace;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 10px;
  line-height: 1.6;
}
.refresh-log-line {
  display: flex;
  gap: 8px;
  padding: 2px 0;
}
.refresh-log-line .lg-ok { color: #059669; }
.refresh-log-line .lg-err { color: #dc2626; }
.refresh-log-line .lg-skip { color: #6b7280; }
.modal-card-sm { max-width: 520px; }

/* 旋转动画 */
#btnRefreshAll.spinning svg {
  animation: spin 1s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 进群弹窗 (二维码 + 复制链接) */
.join-modal-body { text-align: center; }
.join-modal-name { font-size: 16px; font-weight: 600; margin: 0 0 14px; color: var(--ink, #1f2937); }
.join-qr-container { position: relative; display: inline-block; padding: 14px; background: #fff; border: 1px solid var(--line, #e5e7eb); border-radius: 12px; margin: 0 0 14px; min-height: 320px; min-width: 320px; }
.join-qr-img { display: block; width: 320px; height: 320px; }
[hidden] { display: none !important; }
.join-qr-loading { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.85); color: var(--ink-soft, #6b7280); font-size: 13px; border-radius: 12px; }
.join-qr-loading[hidden] { display: none; }
.join-modal-tip { font-size: 12.5px; color: var(--ink-soft, #6b7280); line-height: 1.6; margin: 0 0 14px; }
.join-link-row { display: flex; gap: 6px; align-items: stretch; margin: 0 0 6px; }
.join-link-row input { flex: 1; min-width: 0; padding: 7px 10px; font-size: 12px; border: 1px solid var(--line, #e5e7eb); border-radius: 6px; background: var(--surface, #f9fafb); color: var(--ink-soft, #6b7280); }
.join-link-row a, .join-link-row button { white-space: nowrap; }