/* Server metrics: dark, calm, the board's colours. Series colours: --s1..--s6. */
:root {
  --bg: #0d0e1a;
  --bg2: #121326;
  --card: #17182d;
  --card2: #1e1f38;
  --border: #2a2b4a;
  --text: #ecebff;
  --muted: #9a9cc4;
  --accent: #7c5cff;
  --warm: #ffb24a;
  --ok: #22c27a;
  --warn: #ffb24a;
  --bad: #ff5d6c;
  --s1: #7c8cff; /* CPU */
  --s2: #b07cff; /* memory */
  --s3: #ff8a5c; /* disk wait */
  --s4: #ffb24a; /* swap */
  --s5: #3fd0c9; /* in */
  --s6: #ff7cc0; /* out */
  --radius: 18px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  min-height: 100vh; color: var(--text); font: 15px/1.45 "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(124, 92, 255, 0.16), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(255, 178, 74, 0.08), transparent 60%), var(--bg);
}
h1, h2, h3 { margin: 0; letter-spacing: -0.01em; }
.muted { color: var(--muted); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px; border-radius: 12px;
  border: 1px solid var(--border); background: var(--card2); color: var(--text); font: inherit; font-weight: 650; cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { border: 0; background: linear-gradient(120deg, var(--accent), #c45cff 55%, var(--warm)); color: #fff; }
.btn.big { padding: 12px 22px; font-size: 16px; }
.btn.ghost { background: transparent; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: min(380px, 100%); text-align: center; padding: 34px 28px; border-radius: 24px; background: var(--card); border: 1px solid var(--border);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.45); display: flex; flex-direction: column; gap: 12px; align-items: center;
}
.login-logo { font-size: 46px; }
.login-error { color: var(--bad); font-weight: 650; margin: 0; }

/* Layout */
.dash { max-width: 1320px; margin: 0 auto; padding: 22px 24px 30px; display: flex; flex-direction: column; gap: 18px; }
.top { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; }
.brand { display: flex; gap: 12px; align-items: center; }
.brand-logo { font-size: 30px; width: 50px; height: 50px; display: grid; place-items: center; border-radius: 14px; background: var(--card); border: 1px solid var(--border); }
.brand h1 { font-size: 24px; font-weight: 800; }
.brand p { margin: 0; font-size: 13px; }
.top-right { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.live-pill { display: inline-flex; gap: 8px; align-items: center; padding: 6px 12px; border-radius: 999px; background: var(--card); border: 1px solid var(--border); font-size: 13px; font-weight: 650; }
.live-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.live-pill.on .live-dot { background: var(--ok); box-shadow: 0 0 0 0 rgba(34, 194, 122, 0.6); animation: pulse 2s infinite; }
.live-pill.off .live-dot { background: var(--bad); }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(34, 194, 122, 0); } 100% { box-shadow: 0 0 0 0 rgba(34, 194, 122, 0); } }
.ranges { display: inline-flex; padding: 3px; border-radius: 12px; background: var(--card); border: 1px solid var(--border); }
.ranges button { border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 13px; font-weight: 700; padding: 6px 11px; border-radius: 9px; cursor: pointer; }
.ranges button[aria-selected="true"] { background: var(--card2); color: var(--text); box-shadow: inset 0 0 0 1px var(--accent); }
.card { background: linear-gradient(180deg, var(--card), var(--bg2)); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; }
.card > header { display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: baseline; justify-content: space-between; margin-bottom: 8px; }
.card h2 { font-size: 15px; font-weight: 750; }

/* Gauges */
.gauges { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.gauge { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 14px; align-items: center; }
.ring { width: 92px; height: 92px; }
.ring .track { stroke: var(--card2); }
.ring .arc { transition: stroke-dashoffset 0.6s ease, stroke 0.3s; }
.ring text { fill: var(--text); font-weight: 800; font-size: 19px; }
.gauge-title { font-size: 13px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; }
.gauge-value { font-size: 18px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 800; margin: 2px 0; font-variant-numeric: tabular-nums; }
.gauge-sub { font-size: 12.5px; color: var(--muted); }
.gauge-state { display: inline-block; margin-top: 4px; font-size: 11px; font-weight: 800; padding: 2px 8px; border-radius: 999px; }
.st-ok { color: var(--ok); background: rgba(34, 194, 122, 0.14); }
.st-warn { color: var(--warn); background: rgba(255, 178, 74, 0.14); }
.st-bad { color: var(--bad); background: rgba(255, 93, 108, 0.14); }

/* Charts */
.charts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.chart { height: 190px; position: relative; }
.chart svg { width: 100%; height: 100%; display: block; overflow: visible; }
.chart .grid line { stroke: var(--border); stroke-dasharray: 3 4; }
.chart .axis text { fill: var(--muted); font-size: 10.5px; }
.chart .cross { stroke: var(--muted); stroke-width: 1; }
.legend { margin: 0; font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.key { width: 10px; height: 10px; border-radius: 3px; display: inline-block; margin-left: 6px; }
.k1 { background: var(--s1); } .k2 { background: var(--s2); } .k3 { background: var(--s3); } .k4 { background: var(--s4); } .k5 { background: var(--s5); } .k6 { background: var(--s6); }
.tip {
  position: fixed; pointer-events: none; z-index: 10; padding: 8px 10px; border-radius: 10px; background: #0b0c18f0; border: 1px solid var(--border);
  font-size: 12.5px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); white-space: nowrap;
}
.tip b { display: block; margin-bottom: 3px; }

/* Services */
.svc-table { display: flex; flex-direction: column; }
.svc-row {
  display: grid; grid-template-columns: minmax(170px, 1.4fr) 110px minmax(120px, 1fr) minmax(150px, 1.3fr) minmax(120px, 1fr); gap: 14px; align-items: center;
  padding: 12px 6px; border-top: 1px solid var(--border);
}
.svc-row.head { border-top: 0; padding-top: 0; font-size: 11px; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.svc-name { display: flex; gap: 10px; align-items: center; font-weight: 700; }
.svc-icon { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--card2); font-size: 18px; }
.svc-name small { display: block; font-weight: 500; color: var(--muted); font-size: 12px; }
.pill { font-size: 11.5px; font-weight: 800; padding: 3px 10px; border-radius: 999px; justify-self: start; }
.bar-cell { display: flex; flex-direction: column; gap: 5px; font-size: 13px; font-variant-numeric: tabular-nums; }
.bar { height: 7px; border-radius: 999px; background: var(--card2); overflow: hidden; }
.bar span { display: block; height: 100%; border-radius: 999px; transition: width 0.6s ease; }
.svc-spark svg { width: 100%; height: 30px; display: block; }
.foot { text-align: center; font-size: 12px; }

@media (max-width: 1100px) {
  .gauges { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 820px) {
  .charts { grid-template-columns: minmax(0, 1fr); }
  .svc-row { grid-template-columns: minmax(0, 1fr) auto; }
  .svc-row.head { display: none; }
  .svc-row .bar-cell, .svc-row .svc-spark { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .dash { padding: 16px; }
  .gauges { grid-template-columns: minmax(0, 1fr); }
  .ranges button { padding: 6px 8px; }
}