:root {
  --bg-0: #0a0b0d;
  --bg-1: #101215;
  --bg-2: #16191d;
  --bg-3: #1d2126;
  --line: #262a30;
  --line-2: #30353c;
  --ink: #e8e6e1;
  --ink-dim: #9aa0a8;
  --ink-dimmer: #61666e;
  --ink-faint: #3b4048;

  /* Accents — oklch shared c=0.12, l=0.72 */
  --up:    oklch(0.78 0.14 145); /* green */
  --down:  oklch(0.70 0.18 25);  /* coral */
  --warn:  oklch(0.80 0.14 75);  /* amber */
  --info:  oklch(0.72 0.14 250); /* blue */
  --violet: oklch(0.70 0.15 295);

  --wwn:   oklch(0.78 0.14 68);  /* WWN amber */
  --ily:   oklch(0.74 0.14 10);  /* ILY rose */

  --mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;
  --sans: 'Inter', -apple-system, system-ui, sans-serif;
  --display: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-0);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}

body {
  min-height: 100vh;
}

.mono { font-family: var(--mono); letter-spacing: -0.01em; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.upcase { text-transform: uppercase; letter-spacing: 0.08em; font-size: 10.5px; }
.dim { color: var(--ink-dim); }
.dimmer { color: var(--ink-dimmer); }

button { font-family: inherit; color: inherit; background: none; border: none; cursor: pointer; padding: 0; }

/* ---------- Shell ---------- */
.shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: 44px 1fr;
  grid-template-areas:
    "topbar topbar"
    "sidebar main";
  height: 100vh;
  min-height: 720px;
}

.topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 50;
}
.topbar .brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.topbar .brand .mark {
  width: 22px; height: 22px;
  background: var(--ink);
  color: var(--bg-0);
  display: grid; place-items: center;
  font-size: 10px; font-weight: 700;
  border-radius: 2px;
}
.topbar .brand .sub { color: var(--ink-dimmer); font-weight: 400; }
.topbar .crumbs {
  font-family: var(--mono); font-size: 11px; color: var(--ink-dim);
  display: flex; align-items: center; gap: 8px;
}
.topbar .crumbs .sep { color: var(--ink-faint); }
.topbar .crumbs .active { color: var(--ink); }
.topbar .spacer { flex: 1; }
.topbar .status {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 11px; color: var(--ink-dim);
}
.topbar .status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--up); box-shadow: 0 0 6px var(--up); }
.topbar .status .pill {
  display: flex; align-items: center; gap: 6px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  background: var(--bg-0);
  border-radius: 2px;
}
.topbar .tr-switch {
  display: flex; border: 1px solid var(--line); border-radius: 2px; overflow: hidden;
  background: var(--bg-0);
}
.topbar .tr-switch button {
  font-family: var(--mono); font-size: 11px; padding: 4px 9px;
  color: var(--ink-dim);
  border-right: 1px solid var(--line);
}
.topbar .tr-switch button:last-child { border-right: none; }
.topbar .tr-switch button.on { background: var(--bg-2); color: var(--ink); }
.topbar .tr-switch button:hover { color: var(--ink); }

.topbar .icon-btn {
  width: 28px; height: 28px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 2px; color: var(--ink-dim);
  background: var(--bg-0);
  position: relative;
}
.topbar .icon-btn:hover { color: var(--ink); border-color: var(--line-2); }
.topbar .icon-btn .badge {
  position: absolute; top: -4px; right: -4px;
  background: var(--down); color: var(--bg-0);
  font-family: var(--mono); font-size: 9px; font-weight: 700;
  min-width: 14px; height: 14px; padding: 0 3px;
  border-radius: 2px; display: grid; place-items: center;
}

/* ---------- Sidebar ---------- */
.sidebar {
  grid-area: sidebar;
  background: var(--bg-1);
  border-right: 1px solid var(--line);
  overflow-y: auto;
  padding: 10px 0;
  font-size: 12px;
}
.side-section { margin-bottom: 14px; }
.side-head {
  padding: 6px 14px;
  display: flex; align-items: center; justify-content: space-between;
  color: var(--ink-dimmer);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
}
.side-head .count { color: var(--ink-faint); }
.side-item {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 14px;
  cursor: pointer;
  color: var(--ink-dim);
  border-left: 2px solid transparent;
  position: relative;
}
.side-item:hover { background: var(--bg-2); color: var(--ink); }
.side-item.active { background: var(--bg-2); color: var(--ink); border-left-color: var(--ink); }
.side-item .mono-ic {
  width: 22px; height: 22px;
  display: grid; place-items: center;
  background: var(--bg-3);
  border: 1px solid var(--line);
  font-family: var(--mono); font-size: 10px; font-weight: 600;
  color: var(--ink);
  border-radius: 2px;
  flex-shrink: 0;
}
.side-item .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12.5px; }
.side-item .health {
  font-family: var(--mono); font-size: 10px;
  padding: 1px 5px; border-radius: 2px;
  background: var(--bg-0);
}

.net-header {
  padding: 8px 14px 6px;
  display: flex; align-items: center; gap: 8px;
}
.net-header .tag {
  font-family: var(--mono); font-size: 10px; font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: 2px;
  color: var(--bg-0);
}
.net-header .tag.wwn { background: var(--wwn); }
.net-header .tag.ily { background: var(--ily); }
.net-header .name { color: var(--ink); font-size: 12px; font-weight: 500; }
.net-header .stat { color: var(--ink-dimmer); font-family: var(--mono); font-size: 10.5px; margin-left: auto; }

.side-nav-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 14px; width: 100%;
  color: var(--ink-dim);
  font-size: 12px;
  cursor: pointer;
  border-left: 2px solid transparent;
}
.side-nav-btn:hover { color: var(--ink); background: var(--bg-2); }
.side-nav-btn.active { color: var(--ink); background: var(--bg-2); border-left-color: var(--ink); }
.side-nav-btn .ic { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); width: 16px; text-align: center; }

/* ---------- Main ---------- */
.main {
  grid-area: main;
  overflow-y: auto;
  padding: 0;
  background:
    linear-gradient(var(--bg-0), var(--bg-0)),
    radial-gradient(ellipse at 30% 0%, rgba(228,192,120,0.04), transparent 60%);
  background-blend-mode: normal;
}
.main-inner { padding: 20px 24px 40px; max-width: 1600px; }

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 20px; gap: 20px;
}
.page-head h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 28px; font-weight: 600; letter-spacing: -0.02em;
}
.page-head .sub {
  font-family: var(--mono); font-size: 11px; color: var(--ink-dim);
  margin-top: 6px;
}
.page-head .actions { display: flex; gap: 8px; }
.btn {
  font-family: var(--mono); font-size: 11px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--ink);
  border-radius: 2px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn:hover { background: var(--bg-2); border-color: var(--line-2); }
.btn.primary { background: var(--ink); color: var(--bg-0); border-color: var(--ink); }
.btn.primary:hover { background: #fff; }
.btn.danger { border-color: var(--down); color: var(--down); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Cards / grid ---------- */
.card {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(var(--bg-2), var(--bg-1));
}
.card-head .title {
  font-family: var(--mono); font-size: 11px; color: var(--ink-dim);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.card-head .meta { font-family: var(--mono); font-size: 10.5px; color: var(--ink-dimmer); }
.card-body { padding: 14px; }

.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

/* KPI block */
.kpi {
  position: relative; padding: 16px 18px;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.kpi .label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-dim);
}
.kpi .big {
  font-family: var(--display); font-size: 32px; font-weight: 600;
  letter-spacing: -0.02em; line-height: 1.1;
  margin: 6px 0 4px;
  font-variant-numeric: tabular-nums;
}
.kpi .delta { font-family: var(--mono); font-size: 11px; display: inline-flex; align-items: center; gap: 4px; }
.delta.up { color: var(--up); }
.delta.down { color: var(--down); }
.delta.flat { color: var(--ink-dim); }

.kpi .spark {
  position: absolute; right: 0; bottom: 0; width: 60%; height: 50%;
  opacity: 0.5;
}

/* Health bar */
.hbar {
  height: 4px;
  width: 100%;
  background: var(--bg-3);
  border-radius: 1px;
  overflow: hidden;
  position: relative;
}
.hbar > i {
  display: block;
  height: 100%;
  background: var(--up);
  border-radius: 1px;
}
.hbar.warn > i { background: var(--warn); }
.hbar.bad > i { background: var(--down); }

/* Server tile */
.srv-tile {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 14px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color .15s, background .15s;
  min-height: 140px;
}
.srv-tile:hover { border-color: var(--line-2); background: var(--bg-2); }
.srv-tile .top { display: flex; align-items: center; gap: 10px; }
.srv-tile .mono-ic {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 12px; font-weight: 700;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 2px;
  flex-shrink: 0;
}
.srv-tile .nm { font-weight: 600; font-size: 14px; letter-spacing: -0.01em; }
.srv-tile .hd { font-family: var(--mono); font-size: 10.5px; color: var(--ink-dim); }
.srv-tile .tag {
  font-family: var(--mono); font-size: 9px; font-weight: 700;
  padding: 1px 5px; border-radius: 2px; letter-spacing: 0.06em;
  color: var(--bg-0);
}
.srv-tile .tag.wwn { background: var(--wwn); }
.srv-tile .tag.ily { background: var(--ily); }
.srv-tile .mets {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px;
  padding-top: 10px; border-top: 1px solid var(--line);
}
.srv-tile .met .k { font-family: var(--mono); font-size: 9.5px; color: var(--ink-dimmer); text-transform: uppercase; letter-spacing: 0.06em; }
.srv-tile .met .v { font-family: var(--mono); font-size: 13px; font-variant-numeric: tabular-nums; }

/* Activity feed */
.feed {
  max-height: 420px;
  overflow-y: auto;
}
.feed .row {
  display: grid;
  grid-template-columns: 50px 14px 1fr auto;
  gap: 10px;
  padding: 7px 14px;
  font-family: var(--mono);
  font-size: 11px;
  border-bottom: 1px dashed var(--line);
  align-items: center;
}
.feed .row:last-child { border-bottom: none; }
.feed .t { color: var(--ink-dimmer); }
.feed .ic {
  width: 14px; height: 14px; display: grid; place-items: center;
  font-size: 10px;
}
.feed .tx { color: var(--ink); }
.feed .tx b { color: var(--ink); font-weight: 600; }
.feed .srv { color: var(--ink-dim); }

.feed-ic-join { color: var(--up); }
.feed-ic-msg { color: var(--info); }
.feed-ic-voice { color: var(--violet); }
.feed-ic-boost { color: var(--warn); }
.feed-ic-mod { color: var(--down); }
.feed-ic-migrate { color: var(--ily); }

/* Alerts */
.alert-row {
  display: grid;
  grid-template-columns: 8px 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
.alert-row:last-child { border-bottom: none; }
.alert-row .sev {
  width: 8px; height: 8px; border-radius: 50%;
  margin-top: 6px;
}
.alert-row.high .sev { background: var(--down); box-shadow: 0 0 6px var(--down); }
.alert-row.med .sev  { background: var(--warn); }
.alert-row.info .sev { background: var(--info); }
.alert-row.resolved { opacity: 0.4; }
.alert-row .ttl { font-weight: 600; font-size: 12.5px; }
.alert-row .dtl { color: var(--ink-dim); margin-top: 2px; font-size: 11.5px; line-height: 1.45; }
.alert-row .meta { font-family: var(--mono); font-size: 10px; color: var(--ink-dimmer); margin-top: 6px; display: flex; gap: 10px; }
.alert-row .acts { display: flex; flex-direction: column; gap: 4px; }

/* Leaderboard */
table.lb {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
.lb th {
  text-align: left;
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-dimmer);
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  user-select: none;
  background: var(--bg-1);
  position: sticky; top: 0;
}
.lb th:hover { color: var(--ink); }
.lb th .arrow { font-size: 9px; margin-left: 4px; }
.lb td {
  padding: 9px 14px;
  border-bottom: 1px dashed var(--line);
  font-variant-numeric: tabular-nums;
}
.lb tr:last-child td { border-bottom: none; }
.lb tr:hover td { background: var(--bg-2); }
.lb td.num { font-family: var(--mono); }
.lb td .rank { color: var(--ink-dimmer); font-family: var(--mono); width: 20px; display: inline-block; }
.lb td .sv-link { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.lb td .mono-ic { width: 22px; height: 22px; font-size: 10px; display: grid; place-items: center;
  background: var(--bg-3); border: 1px solid var(--line); border-radius: 2px; font-family: var(--mono); font-weight: 600; }

/* Input */
.inp {
  background: var(--bg-0);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 6px 10px;
  font-family: var(--mono);
  font-size: 12px;
  border-radius: 2px;
  outline: none;
  width: 100%;
}
.inp:focus { border-color: var(--line-2); }

.search-wrap { position: relative; }
.search-wrap .kbd {
  position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font-family: var(--mono); font-size: 10px; color: var(--ink-faint);
  border: 1px solid var(--line); padding: 1px 5px; border-radius: 2px;
}

/* Overlay Modal */
.modal-bg {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(3px);
  z-index: 100;
  display: grid; place-items: center;
  animation: fadeIn .18s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: 3px;
  width: 720px; max-width: 92vw;
  max-height: 86vh;
  overflow-y: auto;
  box-shadow: 0 24px 80px rgba(0,0,0,0.6);
  animation: pop .22s cubic-bezier(.2,.9,.3,1.1);
}
@keyframes pop { from { transform: scale(.96); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--line);
}
.modal-body { padding: 18px; }
.modal .close { color: var(--ink-dim); font-size: 14px; padding: 4px 8px; }
.modal .close:hover { color: var(--ink); }

/* Chart SVG text */
.chart text { font-family: var(--mono); font-size: 9.5px; fill: var(--ink-dimmer); }
.chart .axis-line { stroke: var(--line); stroke-width: 1; }
.chart .grid-line { stroke: var(--line); stroke-dasharray: 2 3; stroke-width: 1; }
.chart .tooltip-line { stroke: var(--ink-dim); stroke-dasharray: 2 3; }

/* Scrollbars */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border: 2px solid var(--bg-0); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--line-2); }

/* Toasts */
.toasts {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  z-index: 200;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  color: var(--ink);
  padding: 10px 14px;
  font-family: var(--mono); font-size: 11.5px;
  border-radius: 2px;
  box-shadow: 0 12px 32px rgba(0,0,0,0.5);
  animation: toastIn .2s ease;
  display: flex; align-items: center; gap: 10px;
}
@keyframes toastIn { from { transform: translateY(10px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.toast.success { border-left: 3px solid var(--up); }
.toast.info { border-left: 3px solid var(--info); }
.toast.warn { border-left: 3px solid var(--warn); }

/* Segmented control */
.seg {
  display: inline-flex; border: 1px solid var(--line); border-radius: 2px; overflow: hidden;
  background: var(--bg-0);
}
.seg button {
  font-family: var(--mono); font-size: 11px;
  padding: 5px 10px;
  color: var(--ink-dim);
  border-right: 1px solid var(--line);
}
.seg button:last-child { border-right: none; }
.seg button.on { background: var(--bg-2); color: var(--ink); }
.seg button:hover { color: var(--ink); }

/* Avatar circle */
.avi {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--mono); font-weight: 700; font-size: 11px;
  color: var(--bg-0);
  flex-shrink: 0;
}

/* Broadcast composer */
.bc-targets {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 10px;
  background: var(--bg-0);
  border: 1px solid var(--line);
  border-radius: 2px;
}
.bc-chip {
  font-family: var(--mono); font-size: 11px;
  padding: 4px 8px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  color: var(--ink-dim);
  display: inline-flex; align-items: center; gap: 6px;
}
.bc-chip.on { background: var(--bg-3); border-color: var(--ink); color: var(--ink); }
.bc-chip .mi {
  width: 14px; height: 14px; display: grid; place-items: center; font-size: 8px;
  background: var(--bg-3); border-radius: 1px;
}

textarea.inp {
  resize: vertical; min-height: 80px; font-family: var(--mono); line-height: 1.5;
}

/* Focus outline */
:focus-visible {
  outline: 1px solid var(--info);
  outline-offset: 1px;
}

/* Matrix heatmap */
.hm {
  display: grid;
  gap: 2px;
  font-family: var(--mono);
  font-size: 10px;
}
.hm .cell {
  aspect-ratio: 1;
  display: grid; place-items: center;
  border-radius: 1px;
  color: var(--ink);
}
.hm .axis-x, .hm .axis-y {
  color: var(--ink-dimmer);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 9px;
  display: grid; place-items: center;
}
.hm .axis-x { padding: 4px 0; }
.hm .axis-y { padding: 0 4px; justify-content: end; }
.hm .diag { background: var(--bg-3); color: var(--ink-faint); }