/* ============================================================
   netmon — shared design system
   Canonical palette (was ring.html's). Every page links this file.
   Legacy variable names are aliased so page-specific CSS keeps working.
   ============================================================ */
:root{
  /* surfaces */
  --bg:#0f1115; --card:#181b22; --card-hi:#1f232c; --line:#2a2f3a;
  /* ink */
  --text:#e6e9ef; --muted:#8a93a6; --faint:#6b7280;
  /* accents */
  --accent:#4cc2ff; --accent2:#ffb547;
  /* status */
  --green:#4ade80; --yellow:#fbbf24; --red:#f87171; --gray:#6b7280;
  /* type */
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;

  /* --- legacy aliases (pc.html) --- */
  --panel:#181b22; --panel2:#1f232c; --ink:#e6e9ef; --dim:#6b7280;
  --sky:#4cc2ff; --violet:#a78bfa; --teal:#2dd4bf; --amber:#ffb547; --pink:#f472b6;
  --good:#4ade80; --warn:#fbbf24; --crit:#f87171;
}

*{box-sizing:border-box}
body{margin:0;padding:20px;background:var(--bg);color:var(--text);
  font-family:var(--sans);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent)}
.shell{max-width:1180px;margin:0 auto;display:flex;flex-direction:column;gap:20px}

/* ---------- header + nav (identical on every page) ---------- */
header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.brand{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
h1{margin:0;font-size:22px;font-weight:600}
h1 .dot{color:var(--accent)}
nav{display:flex;gap:6px;flex-wrap:wrap}
nav a{font-size:13px;color:var(--muted);text-decoration:none;padding:6px 12px;
  border-radius:8px;border:1px solid transparent;white-space:nowrap}
nav a:hover{color:var(--text);background:var(--card)}
nav a.on{color:var(--text);background:var(--card);border-color:var(--line)}
nav a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.stamp{font-family:var(--mono);font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 0 rgba(74,222,128,.5);animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(74,222,128,.45)}
  70%{box-shadow:0 0 0 7px rgba(74,222,128,0)}100%{box-shadow:0 0 0 0 rgba(74,222,128,0)}}
@media (prefers-reduced-motion:reduce){.live-dot{animation:none}}


/* in-page jump shortcut (not part of the 5-page nav: it scrolls within the page) */
.jump{font-family:var(--mono);font-size:11px;color:var(--faint);text-decoration:none;
  padding:5px 9px;border-radius:7px;border:1px dashed var(--line);white-space:nowrap}
.jump:hover{color:var(--text);border-color:var(--muted);background:var(--card)}
.jump:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ---------- shared components ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.card-h h2{margin:0;font-size:13px;font-family:var(--mono);letter-spacing:.1em;
  text-transform:uppercase;color:var(--text);font-weight:600}
.card-h .hint{font-size:11.5px;color:var(--faint);font-family:var(--mono)}
footer{margin-top:20px;text-align:center;font-size:11px;color:var(--muted)}