/* 卡片基础 */
.card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  transition: all 0.2s ease;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 12px;
}
.card-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--fg-main);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-desc {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--fg-muted);
}

/* 统计指标行 (Dashboard Stats) */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.stat-val {
  font-size: 20px;
  font-weight: 700;
  color: var(--fg-main);
  margin: 8px 0 2px;
  letter-spacing: -0.3px;
}
.stat-sub {
  font-size: 12px;
  color: var(--fg-subtle);
}

/* 按钮系统 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}
.btn-primary {
  background: var(--brand);
  color: #ffffff;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}
.btn-primary:hover { background: var(--brand-hover); }
.btn-secondary {
  background: #ffffff;
  color: var(--fg-main);
  border-color: var(--border-dark);
}
.btn-secondary:hover {
  background: var(--bg-sub);
  border-color: var(--fg-subtle);
}
.btn-success {
  background: var(--success);
  color: #ffffff;
}
.btn-success:hover { background: #059669; }
.btn-danger {
  background: #ffffff;
  color: var(--danger);
  border-color: var(--danger-border);
}
.btn-danger:hover {
  background: var(--danger-bg);
  border-color: var(--danger);
}
.btn-ghost {
  background: transparent;
  color: var(--fg-muted);
}
.btn-ghost:hover {
  background: var(--bg-sub);
  color: var(--fg-main);
}
.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 5px;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 标签徽章 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge-success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-info { background: var(--brand-light); color: var(--brand); border: 1px solid var(--brand-border); }
.badge-neutral { background: var(--bg-sub); color: var(--fg-muted); border: 1px solid var(--border); }
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}
.pulse-dot {
  animation: pulse 1.8s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Hub 竖排卡片列表 */
.hubs-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hub-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.hub-card:hover {
  border-color: var(--brand);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.hub-card-left {
  flex: 1 1 45%;
  min-width: 0;
}
.hub-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.hub-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--fg-main);
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hub-card-meta {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  text-align: left;
  gap: 14px;
  font-size: 12px;
  color: var(--fg-muted);
  flex-wrap: wrap;
  margin-top: 4px;
}
.hub-meta-item {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  gap: 5px;
  max-width: 100%;
}
.hub-meta-item code {
  background: var(--bg-sub);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  border: 1px solid var(--border);
  color: var(--fg-main);
  word-break: break-all;
}
.hub-card-mid {
  flex: 0 0 28%;
  min-width: 180px;
  background: var(--bg-sub);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  border: 1px solid var(--border-color);
}
.hub-preview-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2px 0;
  font-size: 12px;
  color: var(--fg-muted);
}
.hub-preview-row b { color: var(--fg-main); font-weight: 600; }
.hub-card-right {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.hub-card-counts {
  font-size: 12px;
  color: var(--fg-subtle);
}
.hub-card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 卡片式单选组件 (Segmented Cards) */
.mode-card-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 8px 0 14px;
}
.mode-card {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  background: var(--bg-sub);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.mode-card:hover {
  border-color: var(--border-dark);
  background: #ffffff;
}
.mode-card.active {
  border-color: var(--brand);
  background: var(--brand-light);
  box-shadow: 0 0 0 1px var(--brand);
}
.mode-card-radio {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--border-dark);
  margin-top: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: #ffffff;
}
.mode-card.active .mode-card-radio {
  border-color: var(--brand);
}
.mode-card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: transparent;
  transition: all 0.15s ease;
}
.mode-card.active .mode-card-dot {
  background: var(--brand);
}
.mode-card-body {
  flex: 1;
  min-width: 0;
}
.mode-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-main);
  line-height: 1.3;
}
.mode-card-desc {
  font-size: 11.5px;
  color: var(--fg-muted);
  margin-top: 3px;
  line-height: 1.3;
}

/* 现代分段 Tab 栏 */
.tabs-nav {
  display: flex;
  gap: 6px;
  background: var(--bg-sub);
  padding: 4px;
  border-radius: var(--radius-md);
  margin-bottom: 18px;
  width: fit-content;
}
.tab-item {
  background: transparent;
  color: var(--fg-muted);
  border: none;
  padding: 7px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tab-item:hover {
  color: var(--fg-main);
}
.tab-item.active {
  background: #ffffff;
  color: var(--brand);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

/* 表格系统 */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
table.modern-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}
table.modern-table th {
  background: var(--bg-sub);
  color: var(--fg-muted);
  font-weight: 600;
  padding: 10px 16px;
  font-size: 12px;
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
table.modern-table td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  background: #ffffff;
}
table.modern-table tr:last-child td {
  border-bottom: none;
}
table.modern-table tr:hover td {
  background: #fafcff;
}

.peer-name-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--fg-main);
}
.peer-avatar {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--bg-sub);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  border: 1px solid var(--border);
}
.ip-pill {
  background: var(--bg-sub);
  color: var(--fg-main);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 12px;
  border: 1px solid var(--border);
  display: inline-block;
}
.action-group {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 6px;
}

/* 输入控件 */
label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--fg-main);
  margin: 12px 0 5px;
}
input:not([type="checkbox"]):not([type="radio"]), select, textarea {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border-dark);
  color: var(--fg-main);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-size: 13.5px;
  font-family: inherit;
  transition: all 0.15s ease;
}
input[type="checkbox"], input[type="radio"] {
  width: auto !important;
  height: auto !important;
  padding: 0 !important;
  margin: 0 !important;
  accent-color: var(--brand);
  cursor: pointer;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
textarea {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  line-height: 1.5;
}
.row { display: flex; gap: 14px; }
.row > div { flex: 1; }

/* 浮动 Toast 通知 */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 260px;
  max-width: 420px;
}
.toast-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.toast-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.toast-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Hub Hero 头部卡 */
.hub-hero { padding: 20px 24px; }
.hub-hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.hub-hero-id { display: flex; align-items: center; gap: 14px; min-width: 0; }
.hub-hero-glyph {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border: 1px solid var(--brand-border);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.hub-hero-name { margin: 0; font-size: 19px; font-weight: 700; letter-spacing: -0.3px; }
.hub-hero-tags { display: flex; align-items: center; gap: 8px; margin-top: 5px; flex-wrap: wrap; }
.hub-hero-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.metric { flex: 1 1 170px; min-width: 160px; padding: 0 20px; border-left: 1px solid var(--border); }
.metric:first-child { border-left: none; padding-left: 0; }
.metric-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
}
.metric-val { margin-top: 7px; font-size: 15px; font-weight: 700; color: var(--fg-main); line-height: 1.35; }
.metric-sub { font-size: 11.5px; color: var(--fg-subtle); margin-top: 3px; }

/* 「···」下拉菜单 */
.menu-wrap { position: relative; }
.menu-pop {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  padding: 6px;
  z-index: 120;
  display: none;
}
.menu-wrap.open .menu-pop { display: block; animation: modalIn 0.14s ease; }
.menu-item {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-main);
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.menu-item:hover { background: var(--bg-sub); }
.menu-item.danger { color: var(--danger); }
.menu-item.danger:hover { background: var(--danger-bg); }
.menu-sep { height: 1px; background: var(--border); margin: 5px 8px; }

#btnSaveApply.has-dirty { box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.22); }

.hub-dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.hub-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-sub);
  color: var(--fg-muted);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.hub-peers { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.peer-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-sub);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-main);
}
.peer-chip code { font-size: 11px; color: var(--fg-muted); background: none; border: none; padding: 0; }
.peer-chip .dot { width: 6px; height: 6px; }

.act-link {
  background: none;
  border: none;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--brand);
  cursor: pointer;
  padding: 4px 7px;
  border-radius: 5px;
}
.act-link:hover { background: var(--brand-light); }
.act-link.danger { color: var(--danger); }
.act-link.danger:hover { background: var(--danger-bg); }