/* yottabyte.ir components on the shared page kit (SiteKit shared/page.css): the knowledge-network bar,
   the data catalog, research article parts and data diagrams — in the site accent, scoped to .zk-page. */

/* ---- knowledge network bar ---- */
.zk-page .yb-context-nav { border-bottom: 1px solid var(--border); background: var(--paper2); }
.zk-page .yb-context-row { display: flex; align-items: center; gap: 14px; padding: 12px 24px; overflow-x: auto; scrollbar-width: thin; }
.zk-page .yb-context-label { flex: none; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.zk-page .yb-context-links { display: flex; gap: 8px; }
.zk-page .yb-context-link {
  flex: none;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}
.zk-page .yb-context-link:hover { border-color: var(--accent); color: var(--accent); }
.zk-page .yb-context-link.active { border-color: var(--accent); background: var(--accent); color: #fff; }
.zk-page .yb-context-cross { border-color: var(--accent); color: var(--accent); }

/* ---- highlights and cards ---- */
.zk-page .kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.zk-page .kpi { padding: 20px 22px; border: 1px solid var(--border); border-radius: 16px; background: #fff; }
.zk-page .kpi strong { display: block; color: var(--accent); font-size: 26px; font-weight: 800; }
.zk-page .kpi span { color: var(--muted); font-size: 13px; }

.zk-page .yb-add-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.zk-page .yb-add-intro { max-width: 680px; margin: 0 0 22px; color: var(--muted); font-size: 15px; line-height: 1.7; }
.zk-page .yb-tag,
.zk-page .tag,
.zk-page .yb-chip {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
}
.zk-page .yb-add-card .yb-tag { margin-bottom: 12px; }
.zk-page .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }

/* ---- data flows and tables ---- */
.zk-page .yb-pipeline { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 18px 0; }
.zk-page .yb-step {
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  font-weight: 600;
}
.zk-page .yb-step + .yb-step::before { content: "→"; margin: 0 10px 0 -2px; color: var(--accent); font-family: inherit; }

.zk-page .yb-table { width: 100%; margin: 18px 0; border: 1px solid var(--border); border-collapse: collapse; background: #fff; font-size: 14px; }
.zk-page .yb-table th,
.zk-page .yb-table td { padding: 11px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.zk-page .yb-table th { color: var(--muted); font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }

/* ---- data catalog ---- */
.zk-page .yb-catalog-controls { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; margin: 26px 0 12px; }
.zk-page .field { display: flex; flex-direction: column; gap: 6px; }
.zk-page .field label { color: var(--muted); font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.zk-page .field input,
.zk-page .field select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}
.zk-page .field input:focus,
.zk-page .field select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
.zk-page .yb-catalog-count { margin: 6px 0 18px; color: var(--muted); font-size: 13px; font-weight: 600; }
.zk-page .yb-record-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.zk-page .yb-record { display: flex; flex-direction: column; gap: 8px; }
.zk-page .yb-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.zk-page .yb-rel-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.zk-page .yb-rel { color: var(--accent); font-size: 12px; font-weight: 600; text-decoration: none; }
.zk-page .yb-empty { padding: 28px; border: 1px dashed var(--border); border-radius: 16px; color: var(--muted); text-align: center; }

/* ---- research article (particle theory) ---- */
.zk-page .article-wrap { max-width: 820px; margin: 0 auto; color: #3a372f; font-size: 16px; line-height: 1.8; }
.zk-page .article-wrap > * + * { margin-top: 1em; }
.zk-page .article-wrap h2 { margin-top: 2em; }
.zk-page .article-wrap ul,
.zk-page .article-wrap ol { padding-left: 1.3em; }
.zk-page .article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 12.5px; font-weight: 600; }
.zk-page .research-status,
.zk-page .ris-box {
  padding: 20px 22px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent) 5%, #fff);
}
.zk-page .research-status h2 { margin: 0 0 10px; font-size: 18px; }
.zk-page .axiom-card { margin: 16px 0; padding: 22px 24px; border: 1px solid var(--border); border-left: 4px solid var(--accent); border-radius: 12px; background: #fff; }
.zk-page .axiom-num { color: var(--accent); font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.zk-page .axiom-title { margin: 6px 0 8px; font-size: 18px; font-weight: 800; }
.zk-page .axiom-body { color: #5a564c; }
.zk-page .formula-block {
  overflow-x: auto;
  padding: 18px 20px;
  border-radius: 12px;
  background: #1c1a16;
  color: #f3ede1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.65;
  white-space: pre;
}
.zk-page .particle-diagram { padding: 18px; border: 1px solid var(--border); border-radius: 16px; background: #fff; text-align: center; }
.zk-page .source-list { padding-left: 20px; color: #5a564c; line-height: 1.8; }
.zk-page .source-list a { color: var(--accent); overflow-wrap: anywhere; }

@media (max-width: 900px) {
  .zk-page .kpi-row { grid-template-columns: repeat(2, 1fr); }
  .zk-page .yb-catalog-controls { grid-template-columns: 1fr; }
}

/* wide reference tables scroll inside the page on phones */
@media (max-width: 640px) {
  .zk-page .yb-table { display: block; overflow-x: auto; }
}