/* ========================================================================
   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(深色 token) */
  --primary:      #1f2329;
  --primary-hover:#2c313a;
  --primary-soft: #f2f3f5;

  /* 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;

  /* 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;
}

.stat-mini {
  display: inline-flex;
  align-items: baseline;
  gap: 3px;
  font-size: 11px;
  color: var(--ink-soft);
  padding: 0 10px;
  border-left: 1px solid var(--line);
}
.stat-mini:first-of-type { border-left: none; }
.stat-mini b {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  font-feature-settings: "tnum";
}

/* ========================================================================
   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 Tabs (币圈 / 美股)
   ======================================================================== */

.tabs-row {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line);
  margin-top: 0;
  padding: 0;
}
.tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-2);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.15s;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); font-weight: 600; }
.tab.active::after {
  content: '';
  position: absolute;
  left: 12px; right: 12px; bottom: -1px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}
.tab-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 18px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-soft);
  background: var(--surface-2);
  border-radius: 9px;
  font-feature-settings: "tnum";
}
.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);
}
.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-soft);
  color: var(--ink);
  border-color: var(--primary);
  font-weight: 600;
}
.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: var(--surface);
  color: var(--ink);
}
.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}
.chip-dot-meme    { background: var(--cat-meme); }
.chip-dot-spot    { background: var(--cat-spot); }
.chip-dot-futures { background: var(--cat-futures); }

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

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}
.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: var(--ink);
  background: var(--surface-2);
  border-color: var(--ink-2);
  font-weight: 600;
}
.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: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.card {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover {
  border-color: var(--ink-mute);
  box-shadow: var(--sh-sm);
}

.card-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--r);
  flex-shrink: 0;
  background: var(--surface-2);
  display: block;
  object-fit: cover;
  border: 1px solid var(--line-2);
}

.card-body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.card-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.card-name {
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  word-break: break-word;
}
.card-num {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-soft);
  letter-spacing: 0.2px;
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  font-size: 12px;
  color: var(--ink-soft);
}
.card-meta .meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 7px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--surface-2);
  border-radius: 10px;
}
.card-meta .meta-pill.full { background: var(--danger-bg); color: var(--danger); }
.card-meta .meta-desc {
  font-size: 11.5px;
  color: var(--ink-soft);
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 28px;
  min-width: 32px;
  padding: 0 9px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  transition: all 0.15s;
  cursor: pointer;
  text-decoration: none;
  user-select: none;
}
.action-btn:hover {
  background: var(--surface-2);
  border-color: var(--ink-mute);
  color: var(--ink);
}
.action-btn.action-primary {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}
.action-btn.action-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}
.action-btn.action-danger {
  color: var(--danger);
  border-color: var(--line);
}
.action-btn.action-danger:hover {
  background: var(--danger-bg);
  border-color: var(--danger);
}

/* ========================================================================
   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 {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.type-pill, .subcat-pill {
  cursor: pointer;
  user-select: none;
}
.type-pill input, .subcat-pill input { display: none; }
.type-pill span, .subcat-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 { background: var(--surface-2); }
.type-pill input:checked + span,
.subcat-pill input:checked + span {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
  font-weight: 600;
}

/* ========================================================================
   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
   ======================================================================== */

@media (max-width: 720px) {
  .page { padding: 0 12px 60px; }
  .topbar { flex-wrap: wrap; gap: 12px; }
  .topbar-right { flex-wrap: wrap; }
  .stat-mini { border-left: none; padding: 0; }
  .toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
  .search-wrap { width: 100%; }
  .tabs-row { overflow-x: auto; }
  .subcat-row { overflow-x: auto; flex-wrap: nowrap; }
  .card { grid-template-columns: 36px 1fr; padding: 12px; }
  .card-avatar { width: 36px; height: 36px; }
  .card-actions { grid-column: 1 / -1; justify-content: flex-end; padding-top: 4px; }
  .footer { flex-direction: column; gap: 12px; align-items: stretch; }
  .modal-card, .modal-card-sm { width: calc(100vw - 24px); }
  .brand-sub { display: none; }
}