:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e5e7eb;
  --text: #111827;
  --text-2: #6b7280;
  --up: #16a34a;
  --up-bg: #f0fdf4;
  --down: #dc2626;
  --down-bg: #fef2f2;
  --pending: #d97706;
  --pending-bg: #fffbeb;
  --accent: #2563eb;
  --uptime-ok: #16a34a;
  --uptime-warn: #f59e0b;
  --uptime-bad: #dc2626;
  --uptime-none: #e5e7eb;
  --mono: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, "Courier New", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a21;
    --border: #2a2f3a;
    --text: #e5e7eb;
    --text-2: #9ca3af;
    --up: #4ade80;
    --up-bg: #10281c;
    --down: #f87171;
    --down-bg: #2a1517;
    --pending: #fbbf24;
    --pending-bg: #2a2113;
    --accent: #60a5fa;
    --uptime-none: #2a2f3a;
    --shadow: none;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding: 12px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }

.logo {
  width: 26px;
  height: 26px;
  flex: none;
  border-radius: 50%;
  background: var(--up);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--up) 18%, transparent);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--up) 30%, transparent); }
  70% { box-shadow: 0 0 0 7px color-mix(in srgb, var(--up) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--up) 0%, transparent); }
}

.brand-text { min-width: 0; }
.brand-text h1 { margin: 0; font-size: 15px; font-weight: 650; white-space: nowrap; }
.brand-text p { margin: 0; font-size: 12px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.summary { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; }

.pill {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}
.pill.ok { background: var(--up-bg); color: var(--up); }
.pill.bad { background: var(--down-bg); color: var(--down); }
.pill.pending { background: var(--pending-bg); color: var(--pending); }

.stat { text-align: center; min-width: 44px; }
.stat b { display: block; font-size: 16px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat label { font-size: 11px; color: var(--text-2); }
.stat-up b { color: var(--up); }
.stat-down b { color: var(--down); }

#refresh-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-family: var(--sans);
  cursor: pointer;
  transition: background 0.15s;
}
#refresh-btn:hover { background: var(--bg); }
#refresh-btn:disabled { opacity: 0.6; cursor: default; }

/* ---------- 视图切换 ---------- */
.view-switch { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.view-btn {
  padding: 5px 10px;
  border: 0;
  background: var(--surface);
  color: var(--text-2);
  font-size: 12px;
  font-family: var(--sans);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.view-btn + .view-btn { border-left: 1px solid var(--border); }
.view-btn:hover { color: var(--text); }
.view-btn.active { background: var(--accent); color: #fff; }

/* ---------- 分组页签 ---------- */
.group-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px 0;
}

.tab {
  padding: 5px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 13px;
  font-family: var(--sans);
  cursor: pointer;
  transition: all 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- 卡片网格 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px 8px;
}

.group-title {
  grid-column: 1 / -1;
  margin: 8px 0 0;
  font-size: 13px;
  font-weight: 650;
  color: var(--text-2);
}

.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--pending);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.card[data-status="up"] { border-left-color: var(--up); }
.card[data-status="down"] { border-left-color: var(--down); }

.card-head { display: flex; align-items: center; gap: 8px; min-width: 0; }
.card-head h3 { flex: 1; margin: 0; font-size: 14px; font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.dot { width: 10px; height: 10px; flex: none; border-radius: 50%; background: var(--pending); }
/* 通用着色：卡片 / 表格行 / 极简列表 都以 data-status 标记状态 */
[data-status="up"] .dot { background: var(--up); }
[data-status="down"] .dot { background: var(--down); }
[data-status="pending"] .dot { background: var(--pending); }
.card[data-status="up"] .dot { animation: pulse-dot 2.4s ease-out infinite; }

@keyframes pulse-dot {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--up) 35%, transparent); }
  70% { box-shadow: 0 0 0 6px color-mix(in srgb, var(--up) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--up) 0%, transparent); }
}

.type-badge {
  flex: none;
  padding: 1px 7px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-2);
}

.card-target {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.metrics { display: flex; gap: 8px; }
.metric { flex: 1; min-width: 0; }
.metric b { display: block; font-size: 14px; font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.metric label { font-size: 11px; color: var(--text-2); }

.heartbeat { height: 32px; }
.heartbeat svg { display: block; width: 100%; height: 100%; }
.hb-empty { display: flex; align-items: center; height: 100%; font-size: 12px; color: var(--text-2); }

/* 90 天可用率 */
.uptime { display: flex; align-items: center; gap: 8px; }
.uptime-bar { display: flex; gap: 1px; flex: 1; min-width: 0; height: 10px; }
.uptime-cell { flex: 1; min-width: 0; border-radius: 1px; background: var(--uptime-none); }
.uptime-cell.lv-ok { background: var(--uptime-ok); }
.uptime-cell.lv-warn { background: var(--uptime-warn); }
.uptime-cell.lv-bad { background: var(--uptime-bad); }
.uptime-label { font-size: 11px; color: var(--text-2); white-space: nowrap; font-variant-numeric: tabular-nums; }

.card-detail {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card[data-status="down"] .card-detail { color: var(--down); }

.empty {
  grid-column: 1 / -1;
  padding: 60px 0;
  text-align: center;
  color: var(--text-2);
}

/* 过滤口径不一致时的提示条 */
.notice {
  grid-column: 1 / -1;
  margin-bottom: 10px;
  padding: 10px 14px;
  border: 1px solid color-mix(in srgb, var(--pending) 45%, var(--border));
  border-radius: 10px;
  background: var(--pending-bg);
  color: var(--pending);
  font-size: 12px;
  line-height: 1.7;
}
.notice code { font-family: var(--mono); background: color-mix(in srgb, var(--pending) 14%, transparent); padding: 0 4px; border-radius: 4px; }

/* ---------- 底栏 ---------- */
.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 8px 20px 28px;
  font-size: 12px;
  color: var(--text-2);
}
.footer .version { margin-left: auto; }
.demo-chip { padding: 1px 8px; border-radius: 999px; background: var(--pending-bg); color: var(--pending); font-weight: 600; }
.warn-chip { padding: 1px 8px; border-radius: 999px; background: var(--down-bg); color: var(--down); font-weight: 600; }

@media (max-width: 640px) {
  .topbar { padding: 10px 14px; }
  .summary { gap: 6px 12px; }
  .grid { grid-template-columns: 1fr; padding: 12px 14px 8px; }
  .group-tabs { padding: 12px 14px 0; }
  .footer { padding: 8px 14px 24px; }
}

/* ================= 视图二：表格（高密度列表） ================= */
body[data-view="table"] .grid { display: block; }

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.monitor-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.monitor-table th {
  padding: 10px 12px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  white-space: nowrap;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.monitor-table td { padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.monitor-table tbody tr:last-child td { border-bottom: 0; }
.monitor-table tbody tr:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.monitor-table tbody tr[data-status="down"] { background: color-mix(in srgb, var(--down) 6%, transparent); }
.group-row td { padding: 7px 12px; font-size: 12px; font-weight: 650; color: var(--text-2); background: var(--bg); }

.t-state { white-space: nowrap; }
.t-state .dot { display: inline-block; margin-right: 6px; vertical-align: middle; }
tr[data-status="up"] .t-state { color: var(--up); }
tr[data-status="down"] .t-state { color: var(--down); }
tr[data-status="pending"] .t-state { color: var(--pending); }
.t-name { white-space: nowrap; }
.t-name .type-badge { margin-left: 8px; }
.t-target {
  max-width: 280px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.t-num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.t-hb { width: 160px; }
.t-hb svg { display: block; width: 150px; height: 24px; }
.t-uptime { white-space: nowrap; }
.uptime-bar-mini { display: inline-flex; width: 110px; height: 8px; margin-right: 8px; vertical-align: middle; }
.t-pct { font-size: 12px; color: var(--text-2); font-variant-numeric: tabular-nums; }