/* Site Pulse — Nezha-monitor-style operations dashboard */
:root {
  --bg: #0b1220;
  --bg-2: #111a2c;
  --card: #152238;
  --card-2: #1a2a44;
  --border: rgba(148, 163, 184, 0.14);
  --ink: #e8eef7;
  --muted: #8b9bb4;
  --dim: #5c6b82;
  --accent: #3b82f6;
  --accent-2: #22c55e;
  --up: #22c55e;
  --warn: #f59e0b;
  --down: #ef4444;
  --info: #38bdf8;
  --radius: 12px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: radial-gradient(1200px 600px at 10% -10%, rgba(59, 130, 246, 0.12), transparent 50%),
              radial-gradient(900px 500px at 100% 0%, rgba(34, 197, 94, 0.08), transparent 45%),
              var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--info); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 20px 18px 48px; }

/* top bar */
.top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin-bottom: 18px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 17px; letter-spacing: -0.02em;
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(145deg, #3b82f6, #1d4ed8);
  position: relative; box-shadow: 0 0 18px rgba(59, 130, 246, 0.35);
}
.brand-mark::after {
  content: ""; position: absolute; left: 7px; right: 7px; top: 14px; height: 2px;
  background: #fff; border-radius: 1px;
}
.brand-mark::before {
  content: ""; position: absolute; width: 8px; height: 8px; left: 11px; top: 11px;
  border: 2px solid #fff; border-radius: 50%;
}
.brand-sub { color: var(--muted); font-size: 12px; font-weight: 500; margin-left: 4px; }
.nav { display: flex; gap: 12px; align-items: center; }
.nav a {
  color: var(--muted); font-size: 13px; padding: 7px 12px; border-radius: 8px;
  transition: background .15s, color .15s;
}
.nav a:hover { background: rgba(148,163,184,.1); color: var(--ink); text-decoration: none; }
.nav a.active { background: rgba(59,130,246,.16); color: #93c5fd; font-weight: 600; }
.btn {
  appearance: none; border: 1px solid var(--border); background: var(--card);
  color: var(--ink); border-radius: 9px; padding: 8px 14px; font: inherit; font-size: 13px;
  cursor: pointer; transition: border-color .15s, background .15s, transform .15s;
}
.btn:hover { border-color: rgba(59,130,246,.5); background: var(--card-2); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.primary {
  background: linear-gradient(180deg, #3b82f6, #2563eb); border-color: transparent; color: #fff;
}
.btn.primary:hover { filter: brightness(1.06); }
.btn.sm { padding: 5px 10px; font-size: 12px; border-radius: 7px; }
.btn:focus-visible, a:focus-visible, input:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

/* live chip */
.live {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 12px; font-family: var(--mono);
}
.live-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--up);
  box-shadow: 0 0 0 0 rgba(34,197,94,.5); animation: pulse 1.8s infinite;
}
.live-dot.off { background: var(--dim); animation: none; box-shadow: none; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,197,94,.45); }
  70% { box-shadow: 0 0 0 8px rgba(34,197,94,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,197,94,0); }
}
@media (prefers-reduced-motion: reduce) {
  .live-dot { animation: none; }
  * { transition: none !important; }
}

/* hero */
.hero { margin-bottom: 16px; }
.hero h1 {
  margin: 4px 0 6px; font-size: 26px; letter-spacing: -0.03em; font-weight: 700;
}
.hero p { margin: 0; color: var(--muted); max-width: 60ch; }

/* KPI strip */
.kpis {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin: 16px 0;
}
.kpi {
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent), var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px;
}
.kpi .label {
  font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .07em; font-weight: 600;
}
.kpi .value {
  font-family: var(--mono); font-size: 24px; font-weight: 600; letter-spacing: -0.03em; margin-top: 4px;
  line-height: 1.15;
}
.kpi .hint { font-size: 11px; color: var(--dim); margin-top: 2px; }

/* host resource panel (Nezha) */
.host-panel {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; margin-bottom: 16px;
}
.host-head {
  display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px;
}
.host-title { font-weight: 650; font-size: 13px; letter-spacing: .02em; }
.host-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
}
.meter { min-width: 0; }
.meter-top {
  display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px;
}
.meter-name { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.meter-val { font-family: var(--mono); font-size: 13px; font-weight: 600; }
.bar {
  height: 7px; border-radius: 999px; background: rgba(148,163,184,.15); overflow: hidden;
}
.bar > i {
  display: block; height: 100%; border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .35s ease;
}
.bar.warn > i { background: linear-gradient(90deg, #f59e0b, #f97316); }
.bar.crit > i { background: linear-gradient(90deg, #ef4444, #f97316); }
.meter-sub { margin-top: 5px; font-size: 11px; color: var(--dim); font-family: var(--mono); }

/* site cards */
.section-title {
  display: flex; justify-content: space-between; align-items: center;
  margin: 22px 0 12px;
}
.section-title h2 { margin: 0; font-size: 15px; letter-spacing: -0.01em; }
.grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 15px; display: flex; flex-direction: column; gap: 10px;
  transition: border-color .18s, transform .18s;
}
.card:hover { border-color: rgba(59,130,246,.35); }
.card-top { display: flex; justify-content: space-between; gap: 8px; align-items: flex-start; }
.card-name {
  font-weight: 650; font-size: 14px; letter-spacing: -0.01em; color: var(--ink);
}
.card-host { font-family: var(--mono); font-size: 11px; color: var(--dim); word-break: break-all; }
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase;
  padding: 3px 8px; border-radius: 999px; white-space: nowrap;
}
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.up { background: rgba(34,197,94,.14); color: #4ade80; }
.badge.degraded { background: rgba(245,158,11,.14); color: #fbbf24; }
.badge.down { background: rgba(239,68,68,.14); color: #f87171; }
.badge.unknown { background: rgba(148,163,184,.12); color: var(--muted); }

.ops-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.ops-item {
  background: rgba(255,255,255,.03); border: 1px solid var(--border);
  border-radius: 9px; padding: 8px 9px;
}
.ops-item .o-label {
  font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: .05em; font-weight: 600;
}
.ops-item .o-value {
  font-family: var(--mono); font-size: 15px; font-weight: 600; margin-top: 2px; letter-spacing: -0.02em;
}
.ops-item .o-value.ok { color: var(--up); }
.ops-item .o-value.warn { color: var(--warn); }

.metric-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.metric-box {
  background: rgba(255,255,255,.025); border-radius: 8px; padding: 8px 10px;
  border: 1px solid var(--border);
}
.metric-box .m-label { font-size: 10px; color: var(--dim); text-transform: uppercase; letter-spacing: .05em; }
.metric-box .m-value { font-family: var(--mono); font-size: 13px; margin-top: 2px; }

/* tables (admin) */
.table-wrap {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: auto;
}
table.table { width: 100%; border-collapse: collapse; min-width: 860px; }
.table th, .table td {
  padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 12.5px;
}
.table th {
  background: rgba(255,255,255,.03); color: var(--muted); font-size: 11px;
  text-transform: uppercase; letter-spacing: .06em; font-weight: 600;
  position: sticky; top: 0;
}
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: rgba(255,255,255,.025); }
.mono { font-family: var(--mono); font-size: 12px; }
.muted { color: var(--muted); }
.dim { color: var(--dim); }

/* pulse bar */
.pulse-shell {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px 14px; margin-bottom: 16px;
}
.pulse-bar { display: flex; gap: 3px; height: 34px; }
.pulse-cell {
  flex: 1 1 0; min-width: 6px; border-radius: 4px; cursor: pointer;
  transition: transform .15s, filter .15s; border: 0; padding: 0;
}
.pulse-cell:hover, .pulse-cell:focus-visible {
  transform: translateY(-2px); filter: brightness(1.1);
  outline: 2px solid var(--accent); outline-offset: 1px;
}
.pulse-cell.up { background: var(--up); }
.pulse-cell.degraded { background: var(--warn); }
.pulse-cell.down { background: var(--down); }
.pulse-cell.unknown { background: rgba(148,163,184,.35); }

/* forms */
.panel {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; margin-bottom: 14px;
}
.panel h2 { margin: 0 0 12px; font-size: 15px; letter-spacing: -0.01em; }
label.field { display: block; margin-bottom: 11px; }
label.field > span {
  display: block; font-size: 11px; color: var(--muted); margin-bottom: 4px;
  text-transform: uppercase; letter-spacing: .05em; font-weight: 600;
}
input, select, textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 9px; padding: 9px 11px;
  font: inherit; font-size: 13px; background: rgba(0,0,0,.22); color: var(--ink);
}
input[type="checkbox"] { width: auto; margin-right: 6px; }
.notice {
  padding: 10px 12px; border-radius: 9px; font-size: 13px; margin-bottom: 12px;
  background: rgba(56,189,248,.12); color: #7dd3fc; border: 1px solid rgba(56,189,248,.2);
}
.notice.err { background: rgba(239,68,68,.12); color: #fca5a5; border-color: rgba(239,68,68,.25); }
.notice.ok { background: rgba(34,197,94,.12); color: #86efac; border-color: rgba(34,197,94,.22); }

/* admin layout */
.admin-layout { display: grid; grid-template-columns: 196px 1fr; gap: 16px; }
.side {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px; height: fit-content; position: sticky; top: 16px;
}
.side a {
  display: flex; align-items: center; gap: 8px; padding: 9px 11px; border-radius: 8px;
  color: var(--ink); margin-bottom: 2px;
}
.side a:hover { background: rgba(148,163,184,.1); text-decoration: none; }
.side a.active { background: rgba(59,130,246,.16); color: #93c5fd; font-weight: 600; }

/* skeleton */
.skeleton {
  background: linear-gradient(90deg, rgba(148,163,184,.12), rgba(148,163,184,.22), rgba(148,163,184,.12));
  background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: 8px; min-height: 18px;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) {
  .skeleton { animation: none; }
}

.foot {
  margin-top: 28px; color: var(--dim); font-size: 12px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .kpis { grid-template-columns: repeat(3, 1fr); }
  .host-grid { grid-template-columns: repeat(3, 1fr); }
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .host-grid { grid-template-columns: 1fr 1fr; }
  .grid { grid-template-columns: 1fr; }
  .admin-layout { grid-template-columns: 1fr; }
  .side { position: static; }
  .top { flex-direction: column; align-items: flex-start; }
  .hero h1 { font-size: 22px; }
}