/* bitcoin-status — minimal technical dashboard */

:root {
  --bg: #0e1116;
  --panel: #151a21;
  --border: #232a33;
  --text: #cdd6df;
  --muted: #6d7885;
  --accent: #d8dee6;
  --ok: #3fb950;
  --warn: #d29922;
  --crit: #f85149;
  --unknown: #6d7885;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f5f6;
    --panel: #ffffff;
    --border: #d8dce1;
    --text: #24292f;
    --muted: #6d7885;
    --accent: #24292f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", "JetBrains Mono",
    Menlo, Consolas, monospace;
  font-size: 14px;
  line-height: 1.5;
}

main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

/* ------------------------------------------------------------------ */
/* Header                                                              */
/* ------------------------------------------------------------------ */

header { margin-bottom: 1.5rem; }

.head-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

h1 {
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
}

.state {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.state .dot {
  width: 0.65em;
  height: 0.65em;
  border-radius: 50%;
  background: currentColor;
}

.state-online  { color: var(--ok); }
.state-stale   { color: var(--warn); }
.state-offline { color: var(--crit); }
.state-unknown { color: var(--unknown); }

.state-online .dot { box-shadow: 0 0 6px var(--ok); }

/* ------------------------------------------------------------------ */
/* Sections                                                            */
/* ------------------------------------------------------------------ */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.grid section { margin-bottom: 0; }
.grid { margin-bottom: 1rem; }
.wide { grid-column: 1 / -1; }

h2 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

table { border-collapse: collapse; width: 100%; }

td { padding: 0.15rem 0; vertical-align: top; }
td:first-child { color: var(--muted); width: 45%; padding-right: 1rem; }

.muted { color: var(--muted); }
.yes { color: var(--ok); }
.no  { color: var(--crit); }

.flag {
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  padding: 0.05rem 0.4rem;
  border-radius: 4px;
  margin-left: 0.5em;
  text-transform: lowercase;
}
.flag-warn { color: var(--warn); border: 1px solid var(--warn); }
.flag-crit { color: var(--crit); border: 1px solid var(--crit); }

/* ------------------------------------------------------------------ */
/* Meters (memory, disks)                                              */
/* ------------------------------------------------------------------ */

.meter-block { margin-top: 0.75rem; }
.meter-label {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}
.meter-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.15rem;
}
.meter {
  letter-spacing: -0.05em;
  white-space: nowrap;
  overflow: hidden;
}
.meter-ok   { color: var(--ok); }
.meter-warn { color: var(--warn); }
.meter-crit { color: var(--crit); }
.meter span { color: var(--text); margin-left: 0.5em; letter-spacing: normal; }

/* ------------------------------------------------------------------ */
/* Charts                                                              */
/* ------------------------------------------------------------------ */

.charts-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.period-switch button {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  font: inherit;
  font-size: 0.8rem;
  padding: 0.15rem 0.7rem;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 0.25rem;
}
.period-switch button:hover { color: var(--text); }
.period-switch button.active {
  color: var(--accent);
  border-color: var(--muted);
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 0.75rem;
}

figure { margin: 0; }
figcaption {
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.35rem;
}
canvas { width: 100%; height: 140px; display: block; }

/* ------------------------------------------------------------------ */
/* Events                                                              */
/* ------------------------------------------------------------------ */

.events { list-style: none; margin: 0; padding: 0; }
.events li {
  display: flex;
  gap: 1rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid var(--border);
}
.events li:last-child { border-bottom: none; }
.ev-time { color: var(--muted); white-space: nowrap; }

footer {
  margin-top: 2rem;
  font-size: 0.75rem;
  text-align: center;
}

code {
  background: var(--border);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}