/* chain-drive-demo.css - Chain Drive architecture demo */

:root {
  --bg:        #0b0d11;
  --panel:     #15181f;
  --ink:       #e7e9ee;
  --muted:     #8b91a0;
  --line:      #2a2f3a;
  --accent:    #66ccff;
  --healthy:   #2ec27e;
  --busy:      #f5c542;
  --overload:  #e25555;
  --support:   #4ea3ff;
  --rest:      #6e7484;
  --repair:    #b07cff;
  --link:      #66ccff;
}

* { box-sizing: border-box; }
body {
  margin: 0; padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.55;
}

main { max-width: 1100px; margin: 0 auto; padding: 24px 18px 80px; }

header.page { padding: 18px 0 8px; border-bottom: 1px solid var(--line); margin-bottom: 24px; }
header.page h1 { margin: 0 0 6px; font-size: 1.9rem; letter-spacing: -0.01em; }
header.page .subtitle { margin: 0; color: var(--muted); font-size: 1.02rem; }
header.page .meta { color: var(--muted); font-size: 0.85em; margin: 6px 0 0; }

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

.disclosure {
  background: rgba(176, 124, 255, 0.08);
  border-left: 4px solid var(--repair);
  padding: 12px 16px; margin: 12px 0 18px; border-radius: 6px;
  font-size: 0.95em;
}

.block { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; margin: 18px 0; }
.block h2 { margin: 0 0 10px; font-size: 1.25rem; color: #ffffff; }
.block h3 { margin: 14px 0 6px; font-size: 1.02rem; color: var(--ink); }
.block p { margin: 8px 0; }
.block .small { color: var(--muted); font-size: 0.88em; }

ul.priorities { margin: 4px 0 0 16px; padding: 0; }
ul.priorities li { margin: 4px 0; }

/* Color legend */
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin: 8px 0 0; }
.legend .swatch { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9em; color: var(--muted); }
.legend .dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.dot.healthy  { background: var(--healthy); }
.dot.busy     { background: var(--busy); }
.dot.overload { background: var(--overload); }
.dot.support  { background: var(--support); }
.dot.rest     { background: var(--rest); }
.dot.repair   { background: var(--repair); }

/* The chain visualization */
#chain-wrap { position: relative; padding: 8px 6px 4px; }
.chain-controls {
  display: flex; flex-wrap: wrap; gap: 8px 12px; margin: 4px 0 14px;
  align-items: center;
}
.chain-controls button {
  background: var(--line); color: var(--ink); border: 1px solid #3a4050;
  padding: 7px 12px; border-radius: 6px; cursor: pointer; font-size: 0.9em;
}
.chain-controls button:hover { background: #2f3543; }
.chain-controls .scenario-select {
  background: var(--line); color: var(--ink); border: 1px solid #3a4050;
  padding: 7px 10px; border-radius: 6px; font-size: 0.9em;
}
.chain-controls .speed-select { padding: 7px 10px; border-radius: 6px; background: var(--line); color: var(--ink); border: 1px solid #3a4050; }
.chain-controls .status-text { color: var(--muted); font-size: 0.88em; margin-left: auto; }

#chain-svg { width: 100%; height: 460px; display: block; background: #0e1117; border: 1px solid var(--line); border-radius: 10px; }
#chain-svg .ring { fill: none; stroke: #1d222c; stroke-width: 1; }
#chain-svg .link { stroke: #2a2f3a; stroke-width: 0.6; }
#chain-svg .link.active { stroke: var(--support); stroke-width: 1.4; opacity: 0.85; }
#chain-svg .node { stroke: #0b0d11; stroke-width: 0.6; transition: r 0.2s, fill 0.2s; }
#chain-svg .pulse-ring { fill: none; stroke: var(--accent); stroke-width: 1.2; opacity: 0.0; }

#chain-tooltip {
  position: absolute; pointer-events: none;
  background: rgba(11,13,17,0.96); border: 1px solid var(--line);
  color: var(--ink); padding: 8px 10px; border-radius: 6px;
  font-size: 0.84em; max-width: 240px; display: none;
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
}

/* Live counters */
.counters {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px; margin: 14px 0 4px;
}
.counter {
  background: #0e1117; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px;
}
.counter .label { color: var(--muted); font-size: 0.78em; text-transform: uppercase; letter-spacing: 0.04em; }
.counter .value { font-size: 1.25rem; font-weight: 600; color: #ffffff; margin-top: 2px; font-variant-numeric: tabular-nums; }
.counter .delta { font-size: 0.78em; color: var(--muted); margin-top: 1px; }

/* Results tables */
table.results {
  width: 100%; border-collapse: collapse; margin: 8px 0;
  font-size: 0.92em;
}
table.results th, table.results td {
  border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left;
}
table.results th { color: var(--muted); font-weight: 600; font-size: 0.78em; text-transform: uppercase; letter-spacing: 0.05em; }
table.results td.num { text-align: right; font-variant-numeric: tabular-nums; }

.downloads { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px; }
.downloads a {
  background: #0e1117; border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 12px; display: block; color: var(--link);
}
.downloads a small { display: block; color: var(--muted); margin-top: 2px; font-weight: normal; }

footer.page { color: var(--muted); margin-top: 28px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 0.85em; }

@keyframes pulseRing {
  0%   { r: 6;  opacity: 0.85; }
  100% { r: 22; opacity: 0; }
}
.pulse-ring.animating { animation: pulseRing 0.9s ease-out forwards; }