:root{
  --bg:#06080f;--bg-card:#0d1117;--bg-card-hover:#111820;
  --border:#1b2332;--border-hover:#2d3a4f;
  --text:#e2e8f0;--text-dim:#64748b;--text-muted:#475569;
  --accent:#3b82f6;--accent2:#8b5cf6;
  --green:#22c55e;--cyan:#06b6d4;--yellow:#eab308;--red:#ef4444;
  --radius:12px;--radius-sm:8px;
  --font:system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'SFMono-Regular',Consolas,'Liberation Mono',ui-monospace,monospace;
}

/* ─── Light/Dark Theme 2026-05-12 ─── */
html{color-scheme:dark}
html:not([data-theme="dark"]){
  color-scheme:light;
  --bg:#f5f7fb;--bg-card:#ffffff;--bg-card-hover:#f1f5f9;
  --border:#d8e0ec;--border-hover:#b6c4d8;
  --text:#0f172a;--text-dim:#475569;--text-muted:#64748b;
  --accent:#2563eb;--accent2:#7c3aed;
  --green:#16a34a;--cyan:#0891b2;--yellow:#ca8a04;--red:#dc2626;
}
html:not([data-theme="dark"]) body{background:radial-gradient(circle at 10% -10%,rgba(37,99,235,.12),transparent 32%),radial-gradient(circle at 92% 0%,rgba(124,58,237,.10),transparent 32%),var(--bg);color:var(--text)}
html:not([data-theme="dark"]) body::before{opacity:.018}
html:not([data-theme="dark"]) code{background:#eaf0f7;color:#0f172a}
html:not([data-theme="dark"]) .glow-orb.blue{background:rgba(37,99,235,.13)}
html:not([data-theme="dark"]) .glow-orb.purple{background:rgba(124,58,237,.10)}