:root {
  --bg: #07080c;
  --panel: #0d1117;
  --ink: #d5e4f0;
  --muted: #7f93a6;
  --cyan: #00f0ff;
  --mag: #ff2bd6;
  --lime: #39ff14;
  --gold: #c4a35a;
  --gold-dim: rgba(196, 163, 90, 0.4);
  --gold-faint: rgba(196, 163, 90, 0.16);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
}
header, footer, section, nav { padding-left: 28px; padding-right: 28px; }
header {
  padding-top: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gold);
}
h1 {
  margin: 0 0 8px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #00f0ff;
}
h2 {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 15px;
  color: #ff2bd6;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 16px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gold);
}
.sub { color: var(--muted); font-size: 14px; max-width: 860px; line-height: 1.55; }
.stat { font-family: "IBM Plex Mono", ui-monospace, monospace; color: #00f0ff; }
footer {
  color: var(--muted);
  font-size: 12px;
  padding: 24px 28px 40px;
  border-top: 1px solid var(--gold);
}
.hidden { display: none; }
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gold);
}
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.neon-btn {
  background: transparent;
  color: #00f0ff;
  border: 1px solid #00f0ff;
  border-radius: 999px;
  padding: 5px 12px;
  cursor: pointer;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
}
.neon-btn:hover { background: rgba(0, 240, 255, 0.12); }
.neon-btn.active {
  background: #00f0ff;
  color: #07080c;
}
.story-list { max-width: 860px; line-height: 1.6; color: var(--muted); }
.story-list b { color: #d5e4f0; }
.table-wrap {
  background: var(--panel);
  border: 1px solid var(--gold);
  border-radius: 10px;
  overflow: hidden;
}
.table-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid var(--gold);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--muted);
}
.table-scroll { max-height: 70vh; overflow: auto; }
table {
  border-collapse: collapse;
  width: max-content;
  min-width: 100%;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
}
th, td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--gold-faint);
  border-right: 1px solid var(--gold-faint);
  white-space: nowrap;
  text-align: right;
}
th {
  position: sticky;
  top: 0;
  background: #101826;
  color: #00f0ff;
  text-align: left;
  z-index: 1;
}
td:first-child, th:first-child { text-align: left; color: #39ff14; }
.err { color: #ff2bd6; font-family: "IBM Plex Mono", ui-monospace, monospace; }
.col-card {
  background: var(--panel);
  border: 1px solid var(--gold-dim);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 0 0 10px;
  max-width: 860px;
}
.col-card h3 {
  margin: 0 0 6px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 13px;
  color: #00f0ff;
  text-transform: none;
  letter-spacing: 0;
  border: 0;
  padding: 0;
}
.col-card .col-id { color: #39ff14; }
.col-card p { margin: 6px 0; color: var(--ink); font-size: 13px; line-height: 1.5; }
.col-card a { color: #00f0ff; }
.col-card .why { color: var(--muted); }
.col-card .why b { color: #ff2bd6; }
.navline { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12px; color: var(--muted); margin: 0 0 10px; }
.navline a { color: #00f0ff; }
#cube { width: 100%; min-height: 820px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 1100px) { .grid-2 { grid-template-columns: 1fr; } }
#cube-sustain, #cube-fail, #dist-plot {
  background: var(--panel);
  border: 1px solid var(--gold-dim);
  border-radius: 10px;
  min-height: 320px;
}
#cube-sustain, #cube-fail { min-height: 720px; }
.toolbar span { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12px; color: var(--muted); }