/* pv-demo — vanilla CSS, dark theme matching D:\pv\pv-devops-map.html palette */

:root {
  --bg: #0f172a;
  --panel: #111827;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent: #38bdf8;
  --ok: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
  --border: #1f2937;
  --code-bg: #0b1220;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

header {
  padding: 36px 24px 8px;
  max-width: 760px;
  margin: 0 auto;
}
header h1 {
  font-size: 22px;
  margin: 0 0 4px;
  font-weight: 600;
}
header .muted {
  font-weight: 400;
}
header p {
  margin: 0;
  font-size: 13px;
}

main {
  padding: 18px 24px 60px;
  max-width: 760px;
  margin: 0 auto;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 22px 22px;
  margin-bottom: 18px;
  color: var(--text);
}
.card h2 {
  font-size: 14px;
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.muted { color: var(--muted); }
.small { font-size: 12px; }
code {
  background: var(--code-bg);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
  color: #cbd5e1;
}

/* healthcheck card */
.hc-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  margin-bottom: 8px;
}
.hc-status {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
}
.hc-line {
  display: contents;
}
.hc-line > .muted {
  text-align: left;
}
.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--muted);
  display: inline-block;
  flex-shrink: 0;
  transition: background 0.2s ease;
}
.dot[data-state="ok"]      { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.dot[data-state="degraded"]{ background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.dot[data-state="down"]    { background: var(--bad); box-shadow: 0 0 8px var(--bad); }
.dot[data-state="pending"] { background: var(--muted); }

#spark {
  width: 100%;
  height: 60px;
  color: var(--accent);
  margin-top: 4px;
  display: block;
}

.version-line {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.version-tag {
  cursor: pointer;
  user-select: all;
  transition: background 0.15s ease;
}
.version-tag:hover {
  background: #142036;
}

/* stats card */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 22px;
}
@media (max-width: 540px) {
  .stats-grid { grid-template-columns: 1fr; }
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stat-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.1;
}
.stat-unit {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  margin-left: 2px;
}
.stat-sub {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.meter {
  margin-top: 6px;
  height: 6px;
  background: var(--code-bg);
  border-radius: 3px;
  overflow: hidden;
}
.meter-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s ease, background 0.3s ease;
}
.meter-fill[data-state="ok"]   { background: var(--ok); }
.meter-fill[data-state="warn"] { background: var(--warn); }
.meter-fill[data-state="bad"]  { background: var(--bad); }

/* burst card */
button#burst-btn {
  background: var(--accent);
  color: #0b1220;
  border: 0;
  border-radius: 6px;
  padding: 8px 16px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
button#burst-btn:hover { filter: brightness(1.08); }
button#burst-btn:disabled {
  opacity: 0.5;
  cursor: progress;
}

.bar-chart {
  margin-top: 14px;
  display: grid;
  gap: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}
.bar-row {
  display: grid;
  grid-template-columns: 48px 1fr 36px;
  align-items: center;
  gap: 8px;
}
.bar {
  background: var(--accent);
  height: 14px;
  border-radius: 3px;
  min-width: 2px;
}
.bar-row[data-code^="2"] .bar { background: var(--ok); }
.bar-row[data-code^="4"] .bar { background: var(--warn); }
.bar-row[data-code^="5"] .bar,
.bar-row[data-code="0"]  .bar { background: var(--bad); }

footer {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 24px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }
.sep { color: var(--border); }