:root {
  --bg: #14110c;
  --bg-2: #1b1711;
  --panel: #201b14;
  --ink: #efe6d4;
  --muted: #8d8270;
  --line: #3a3328;
  --acid: #d6ff1a;
  --ok: #7dff9a;
  --warn: #ffb020;
  --bad: #ff4d3a;
  --dim: #2a241c;
  --font-display: "Big Shoulders Display", "Arial Narrow", "Noto Sans SC", sans-serif;
  --font-mono: "IBM Plex Mono", "Sarasa Mono SC", ui-monospace, monospace;
  --font-ui: "IBM Plex Mono", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--ink); }
body {
  font-family: var(--font-ui);
  font-size: 13px;
  letter-spacing: 0.01em;
  background-image:
    repeating-linear-gradient(90deg, transparent 0 11px, rgba(255,255,255,0.015) 11px 12px),
    linear-gradient(180deg, #18140e 0%, #12100b 100%);
}
button, input, textarea { font: inherit; color: inherit; }
a { color: var(--acid); }

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  opacity: 0.09;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.shell { display: grid; grid-template-columns: 88px 1fr; min-height: 100vh; }
.spine {
  border-right: 1px solid var(--line);
  background: #100e0a;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 18px 0 24px;
  gap: 28px;
}
.word {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 42px;
  letter-spacing: 0.12em;
  color: var(--acid);
  line-height: 1;
}
.spine nav { display: flex; flex-direction: column; gap: 8px; width: 100%; padding: 0 10px; }
.spine a {
  text-decoration: none;
  color: var(--muted);
  border: 1px solid transparent;
  padding: 10px 0;
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.spine a.active, .spine a:hover {
  color: var(--ink);
  border-color: var(--line);
  background: var(--dim);
}

.main { min-width: 0; }
.strip {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(#221d16, #1a1611);
}
.strip .meta { color: var(--muted); display: flex; gap: 18px; font-variant-numeric: tabular-nums; }
.strip .meta b { color: var(--ink); font-weight: 500; }
.content { padding: 22px 24px 48px; }

h1 {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 800;
  margin: 0 0 6px;
  letter-spacing: 0.04em;
}
.lede { color: var(--muted); margin: 0 0 22px; }

.rack { display: flex; flex-direction: column; gap: 8px; }
.ru {
  display: grid;
  grid-template-columns: 52px 1fr auto auto auto;
  gap: 16px;
  align-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 12px 16px;
  position: relative;
}
.ru:before, .ru:after {
  content: "";
  width: 8px; height: 8px; border-radius: 50%;
  border: 1px solid #5a5246;
  position: absolute; top: 50%; transform: translateY(-50%);
  background: radial-gradient(circle at 30% 30%, #6a6256, #2a241c);
}
.ru:before { left: 8px; }
.ru:after { right: 8px; }
.ru .u { font-family: var(--font-display); font-size: 28px; color: var(--muted); padding-left: 10px; }
.ru .name { font-size: 16px; letter-spacing: 0.08em; text-transform: uppercase; }
.ru .desc { color: var(--muted); margin-top: 2px; }
.led {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--muted);
  box-shadow: none;
  display: inline-block;
}
.led.ok { background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.led.warn { background: var(--warn); box-shadow: 0 0 10px var(--warn); }
.led.bad { background: var(--bad); box-shadow: 0 0 8px var(--bad); }

.btn {
  background: transparent;
  border: 1px solid var(--line);
  padding: 7px 12px;
  cursor: pointer;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 11px;
}
.btn:hover { border-color: var(--acid); color: var(--acid); }
.btn.danger:hover { border-color: var(--bad); color: var(--bad); }
.btn.primary { background: var(--acid); color: #14110c; border-color: var(--acid); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); color: #14110c; }

.table-wrap { overflow: auto; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: #1a1611;
  font-weight: 500;
}
tr:hover td { background: rgba(214,255,26,0.03); }
tr { cursor: pointer; }

.gpu-pips { display: flex; flex-wrap: wrap; gap: 6px; }
.pip {
  min-width: 132px;
  border: 1px solid var(--line);
  padding: 6px 8px;
  background: #18140f;
}
.pip .t { font-size: 11px; color: var(--muted); }
.bar { height: 4px; background: #2c261e; margin-top: 6px; }
.bar > i { display: block; height: 100%; background: var(--acid); }

.filters { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line);
  padding: 6px 10px;
  cursor: pointer;
  color: var(--muted);
  background: transparent;
}
.chip.on { color: #14110c; background: var(--acid); border-color: var(--acid); }

.drawer {
  position: fixed;
  right: 0; top: 0; bottom: 0;
  width: min(420px, 100%);
  background: #1a1611;
  border-left: 1px solid var(--line);
  z-index: 20;
  padding: 22px;
  overflow: auto;
}
.drawer h2 { font-family: var(--font-display); font-size: 32px; margin: 0 0 16px; }
label { display: block; color: var(--muted); margin: 12px 0 6px; letter-spacing: 0.12em; text-transform: uppercase; font-size: 11px; }
input, textarea {
  width: 100%;
  background: #120f0c;
  border: 1px solid var(--line);
  padding: 9px 10px;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--acid); }
textarea { min-height: 90px; resize: vertical; }
.row-actions { display: flex; gap: 8px; margin-top: 18px; }

.log {
  background: #0e0c0a;
  border: 1px solid var(--line);
  padding: 12px;
  height: 420px;
  overflow: auto;
  white-space: pre-wrap;
  color: #c9bfae;
  font-size: 12px;
  line-height: 1.45;
}

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-box { width: min(520px, 100%); }
.login-box h1 { font-size: 96px; line-height: 0.8; }
.login-box p { color: var(--muted); margin: 10px 0 28px; }
.login-box input {
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  font-size: 18px;
  padding: 12px 0;
  letter-spacing: 0.18em;
}
.hint { color: var(--muted); margin-top: 18px; font-size: 12px; }
.err { color: var(--bad); margin-top: 10px; min-height: 1.2em; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 22px; }
.stat { border: 1px solid var(--line); padding: 14px 16px; background: var(--panel); }
.stat .k { color: var(--muted); letter-spacing: 0.14em; text-transform: uppercase; font-size: 11px; }
.stat .v { font-family: var(--font-display); font-size: 36px; margin-top: 4px; }

.cmd {
  background: #0e0c0a;
  border: 1px dashed var(--line);
  padding: 12px;
  overflow-x: auto;
  color: var(--acid);
  margin: 8px 0 16px;
}

.empty { padding: 36px 8px; color: var(--muted); }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .spine { flex-direction: row; height: 56px; padding: 0 12px; }
  .word { writing-mode: horizontal-tb; transform: none; font-size: 28px; }
  .spine nav { flex-direction: row; width: auto; }
  .stats { grid-template-columns: 1fr 1fr; }
  .ru { grid-template-columns: 40px 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}