:root {
  --bg: #07090f;
  --bg-2: #0c111a;
  --panel: rgba(14, 20, 30, 0.82);
  --line: #1c2533;
  --text: #e7edf6;
  --muted: #7d8b9d;
  --cyan: #3ee0c5;
  --amber: #f5b942;
  --rose: #ff5c7a;
  --ok: #7dffb3;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  letter-spacing: 0.01em;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1000px 500px at 10% -10%, rgba(62, 224, 197, 0.08), transparent 50%),
    radial-gradient(800px 400px at 100% 0%, rgba(245, 185, 66, 0.05), transparent 45%),
    linear-gradient(#07090f, #080c14);
}
.bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.45), transparent 80%);
}

.top, main, footer { width: min(1280px, calc(100% - 32px)); margin: 0 auto; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 28px 0 18px;
}
.brand { display: flex; gap: 14px; align-items: center; }
.mark {
  width: 38px;
  height: 38px;
  border: 1px solid var(--cyan);
  border-radius: 9px;
  position: relative;
  box-shadow: inset 0 0 0 1px rgba(62, 224, 197, 0.15);
}
.mark::before, .mark::after {
  content: "";
  position: absolute;
  left: 8px;
  height: 2px;
  background: var(--amber);
  border-radius: 2px;
}
.mark::before { top: 12px; width: 14px; }
.mark::after { top: 19px; width: 20px; background: var(--cyan); }
.brand-name {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.brand-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.top-meta { display: flex; gap: 12px; align-items: center; }
.clock { font-family: var(--mono); font-size: 12px; color: var(--muted); text-align: right; }
.clock span { display: block; }
.clock span:first-child { color: var(--text); }
.refresh-btn {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
  background: rgba(62, 224, 197, 0.08);
  border: 1px solid rgba(62, 224, 197, 0.45);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}
.refresh-btn:hover { background: rgba(62, 224, 197, 0.16); }
.refresh-btn:disabled {
  cursor: wait;
  opacity: 0.6;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 16px;
}
.deploy-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
}
.deploy-nav button {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  cursor: pointer;
}
.deploy-nav button.on,
.deploy-nav button:hover {
  color: var(--cyan);
  border-color: rgba(62, 224, 197, 0.45);
}
.chart-tools { display: flex; gap: 6px; margin-left: auto; }
.chart-btn {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
}
.chart-btn:hover { color: var(--text); border-color: var(--cyan); }
.zoom-modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 6, 10, 0.72);
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
}
.zoom-modal.hidden { display: none; }
.zoom-card {
  width: min(1100px, 100%);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px 12px;
  box-shadow: var(--shadow);
}
.zoom-card header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}
.zoom-card h2 { margin: 0; font-size: 14px; letter-spacing: 0.12em; text-transform: uppercase; }
.zoom-actions { display: flex; gap: 8px; }
.zoom-card canvas { width: 100%; height: 420px; }

.pill {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  padding: 7px 10px;
  border-radius: 999px;
}
.pill.healthy { color: var(--ok); border-color: rgba(125, 255, 179, 0.35); }
.pill.busy { color: var(--cyan); border-color: rgba(62, 224, 197, 0.4); }
.pill.degraded { color: var(--amber); border-color: rgba(245, 185, 66, 0.45); }
.pill.offline, .pill.unknown { color: var(--rose); border-color: rgba(255, 92, 122, 0.4); }

.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.kpi {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
}
.kpi .label {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.kpi .value {
  font-family: var(--mono);
  font-size: 26px;
  font-weight: 500;
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}
.kpi .hint { color: var(--muted); font-size: 12px; margin-top: 4px; }

.charts, .split { display: grid; gap: 12px; margin-bottom: 16px; }
.charts { grid-template-columns: repeat(3, 1fr); }
.swatch.rose { background: var(--rose); }
.split { grid-template-columns: 1.35fr 0.65fr; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
  min-width: 0;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.panel-head h2 {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
}
.legend {
  color: var(--muted);
  font-size: 11px;
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}
.swatch {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  display: inline-block;
  flex: none;
}
.swatch.cyan { background: var(--cyan); }
.swatch.amber { background: var(--amber); }
canvas { width: 100%; height: 180px; display: block; cursor: crosshair; touch-action: none; user-select: none; }

.nodes { display: grid; gap: 16px; }
.node-block h3 {
  margin: 0 0 10px;
  font-size: 13px;
  font-family: var(--mono);
  font-weight: 500;
}
.node-meta { color: var(--muted); font-weight: 400; }
.gpu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px;
}
.gpu-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  background: rgba(8, 12, 20, 0.55);
}
.gpu-card header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  margin-bottom: 8px;
}
.gpu-card .name { font-weight: 600; }
.gpu-card .idx { font-family: var(--mono); color: var(--muted); }
.bar {
  height: 8px;
  background: #151c27;
  border-radius: 99px;
  overflow: hidden;
  display: flex;
}
.bar > span { display: block; height: 100%; }
.gpu-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 10px;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}
.gpu-stats b { color: var(--text); font-weight: 500; }

.sglang { display: grid; gap: 10px; }
.sglang-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: rgba(8, 12, 20, 0.55);
}
.sglang-card h3 {
  margin: 0 0 4px;
  font-size: 14px;
}
.model { color: var(--muted); font-family: var(--mono); font-size: 11px; word-break: break-all; }
.queue-hero {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 12px 0 8px;
}
.queue-hero .big {
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 500;
}
.queue-hero .sub { color: var(--muted); font-size: 12px; }
.mix { height: 10px; background: #151c27; border-radius: 99px; overflow: hidden; display: flex; }
.mix .run { background: var(--cyan); }
.mix .wait { background: var(--amber); }
.sglang-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
}
.sglang-stats b {
  display: block;
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 500;
  margin-top: 2px;
}

.muted { color: var(--muted); }
.hidden { display: none !important; }
.setup {
  border: 1px solid rgba(245, 185, 66, 0.4);
  background: rgba(245, 185, 66, 0.08);
  color: var(--amber);
  padding: 14px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 13px;
}

footer {
  color: var(--muted);
  font-size: 12px;
  padding: 8px 0 32px;
}

@media (max-width: 1100px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .charts { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .top { flex-direction: column; align-items: flex-start; }
}