/* SOC dashboard — dark by design: these screens run continuously in rooms that
   are kept dim, and a light UI at 3am is punishing. */

:root {
  --bg:        #0d1117;
  --bg-raised: #161b22;
  --bg-inset:  #010409;
  --border:    #30363d;
  --border-mut:#21262d;

  --fg:        #e6edf3;
  --fg-muted:  #8b949e;
  --fg-dim:    #6e7681;

  /* Status palette chosen for deuteranopia and protanopia: the green leans
     blue and the amber leans orange, so the pair stays distinguishable when
     red/green discrimination fails. Colour is never the only signal — every
     status also carries a glyph and a label. */
  --ok:        #2ea043;
  --ok-bg:     #0b2e17;
  --warn:      #d29922;
  --warn-bg:   #341a00;
  --crit:      #f85149;
  --crit-bg:   #3d1013;
  --info:      #388bfd;
  --info-bg:   #0d2149;
  --pending:   #6e7681;
  --pending-bg:#1c2128;

  --accent:    #58a6ff;
  --radius: 6px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

[x-cloak] { display: none !important; }

/* ---------- layout ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  height: 52px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--fg);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent);
}
.brand-mark.warn { background: var(--warn); box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn) 25%, transparent); }
.brand-mark.crit { background: var(--crit); box-shadow: 0 0 0 3px color-mix(in srgb, var(--crit) 25%, transparent); }

.nav { display: flex; gap: 4px; }
.nav a {
  padding: 6px 11px;
  border-radius: var(--radius);
  color: var(--fg-muted);
  font-size: 13px;
}
.nav a:hover { background: var(--border-mut); color: var(--fg); text-decoration: none; }
.nav a.active { background: var(--border-mut); color: var(--fg); }

.spacer { flex: 1; }

.main { padding: 20px; max-width: 1600px; margin: 0 auto; }

/* Connection state is load-bearing: a dashboard showing stale numbers without
   saying so is worse than one that admits it lost the connection. */
.conn {
  display: flex; align-items: center; gap: 7px;
  font-size: 12px; color: var(--fg-muted);
  font-variant-numeric: tabular-nums;
}
.conn-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok);
}
.conn.stale .conn-dot { background: var(--warn); animation: pulse 1.4s ease-in-out infinite; }
.conn.down .conn-dot  { background: var(--crit); animation: pulse 0.8s ease-in-out infinite; }
.conn.down { color: var(--crit); font-weight: 600; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}

/* ---------- primitives ---------- */

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.card-head {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 14px;
  font-size: 13px; font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.grid { display: grid; gap: 14px; }
.grid.cols-auto { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

.row { display: flex; align-items: center; gap: 10px; }
.wrap { flex-wrap: wrap; }
.muted { color: var(--fg-muted); }
.dim { color: var(--fg-dim); }
.mono { font-family: var(--mono); font-size: 12px; }
.nums { font-variant-numeric: tabular-nums; }
.small { font-size: 12px; }
.right { margin-left: auto; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

button, .btn {
  font: inherit;
  font-size: 13px;
  padding: 6px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--border-mut);
  color: var(--fg);
  cursor: pointer;
}
button:hover, .btn:hover { background: var(--border); text-decoration: none; }
button:disabled { opacity: 0.45; cursor: not-allowed; }
button.primary { background: #1f6feb; border-color: #388bfd; }
button.primary:hover { background: #388bfd; }
button.danger { color: var(--crit); border-color: color-mix(in srgb, var(--crit) 40%, transparent); }
button.danger:hover { background: var(--crit-bg); }
button.small { padding: 3px 8px; font-size: 12px; }

input, select {
  font: inherit; font-size: 13px;
  padding: 6px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-inset);
  color: var(--fg);
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* ---------- status ---------- */

.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
  white-space: nowrap;
}
.pill::before { font-family: var(--mono); font-size: 10px; }
.pill.ok      { color: var(--ok);      background: var(--ok-bg);      border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.pill.ok::before      { content: "\25CF"; }          /* filled circle  */
.pill.warn    { color: var(--warn);    background: var(--warn-bg);    border-color: color-mix(in srgb, var(--warn) 35%, transparent); }
.pill.warn::before    { content: "\25B2"; }          /* triangle       */
.pill.crit    { color: var(--crit);    background: var(--crit-bg);    border-color: color-mix(in srgb, var(--crit) 40%, transparent); }
.pill.crit::before    { content: "\2716"; }          /* cross          */
.pill.offline { color: var(--crit);    background: var(--crit-bg);    border-color: color-mix(in srgb, var(--crit) 40%, transparent); }
.pill.offline::before { content: "\25A0"; }          /* filled square  */
.pill.pending { color: var(--pending); background: var(--pending-bg); border-color: var(--border); }
.pill.pending::before { content: "\25CB"; }          /* hollow circle  */

.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.crit, .dot.offline { background: var(--crit); }
.dot.pending { background: var(--pending); }

/* ---------- meters ---------- */

.meter {
  height: 6px;
  border-radius: 3px;
  background: var(--bg-inset);
  overflow: hidden;
  position: relative;
}
.meter > span {
  display: block;
  height: 100%;
  background: var(--ok);
  transition: width 0.4s ease, background-color 0.4s ease;
}
.meter > span.warn { background: var(--warn); }
.meter > span.crit { background: var(--crit); }

.metric { display: flex; flex-direction: column; gap: 5px; }
.metric-head {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 11px; color: var(--fg-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.metric-value { font-size: 13px; color: var(--fg); font-variant-numeric: tabular-nums; }

.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-label {
  font-size: 11px; color: var(--fg-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
}
.stat-value { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.stat-value.ok { color: var(--ok); }
.stat-value.warn { color: var(--warn); }
.stat-value.crit { color: var(--crit); }

/* ---------- node cards ---------- */

.node-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 3px solid var(--pending);
  border-radius: var(--radius);
  padding: 13px 15px;
  display: flex; flex-direction: column; gap: 11px;
  transition: border-color 0.3s ease;
}
.node-card:hover { border-color: var(--fg-dim); }
.node-card.ok { border-left-color: var(--ok); }
.node-card.warn { border-left-color: var(--warn); }
.node-card.crit, .node-card.offline { border-left-color: var(--crit); }

.node-name { font-weight: 600; font-size: 14px; }
.node-name a { color: var(--fg); }

.spark { display: block; width: 100%; height: 26px; }

/* ---------- tables ---------- */

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left;
  padding: 7px 10px;
  font-size: 11px; font-weight: 600;
  color: var(--fg-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { color: var(--fg); }
td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--border-mut);
  vertical-align: middle;
}
tbody tr:hover { background: var(--border-mut); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

.scroll-x { overflow-x: auto; }

/* ---------- alerts ---------- */

.alert-row {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px;
  border-left: 3px solid var(--warn);
  background: var(--warn-bg);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 13px;
}
.alert-row.crit { border-left-color: var(--crit); background: var(--crit-bg); }
.alert-row.acked { opacity: 0.6; }

.empty {
  padding: 26px;
  text-align: center;
  color: var(--fg-dim);
  font-size: 13px;
}

/* ---------- charts ---------- */

.chart { width: 100%; height: 190px; }
.chart-tall { height: 260px; }

.uplot, .u-wrap { width: 100% !important; }
.u-legend { font-size: 11px !important; font-family: var(--mono); }
.u-legend .u-marker { width: 8px; height: 8px; }
.u-tooltip {
  position: absolute;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 9px;
  font-size: 11px;
  font-family: var(--mono);
  pointer-events: none;
  z-index: 100;
  white-space: nowrap;
}

/* ---------- login ---------- */

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.login-card { width: 100%; max-width: 340px; }
.login-card h1 {
  margin: 0 0 4px;
  font-size: 19px;
  letter-spacing: 0.08em;
}
.login-card form { display: flex; flex-direction: column; gap: 11px; margin-top: 20px; }
.login-card input { width: 100%; }
.form-error {
  color: var(--crit);
  background: var(--crit-bg);
  border: 1px solid color-mix(in srgb, var(--crit) 40%, transparent);
  border-radius: var(--radius);
  padding: 8px 11px;
  font-size: 12px;
}

/* ---------- misc ---------- */

.tabs { display: flex; gap: 3px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.tabs button {
  border: none; background: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  color: var(--fg-muted);
  padding: 8px 13px;
}
.tabs button:hover { background: var(--border-mut); color: var(--fg); }
.tabs button.active { color: var(--fg); border-bottom-color: var(--accent); }

.range-picker { display: flex; gap: 3px; }
.range-picker button { padding: 4px 10px; font-size: 12px; }
.range-picker button.active { background: #1f6feb; border-color: #388bfd; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 5px 16px; font-size: 13px; }
.kv dt { color: var(--fg-muted); }
.kv dd { margin: 0; font-variant-numeric: tabular-nums; }

.banner {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 15px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  border: 1px solid;
}
.banner.crit { color: var(--crit); background: var(--crit-bg); border-color: color-mix(in srgb, var(--crit) 40%, transparent); }
.banner.warn { color: var(--warn); background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.banner.info { color: var(--info); background: var(--info-bg); border-color: color-mix(in srgb, var(--info) 40%, transparent); }

@media (max-width: 720px) {
  .main { padding: 12px; }
  .topbar { gap: 12px; padding: 0 12px; }
  .nav a { padding: 6px 8px; }
}

/* Some people are made ill by motion. Respect the preference, but keep the
   colour and glyph changes that carry the actual information. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}