/* Shared styles: variables, reset, utilities (loaded by every page) */
:root{
  --bg:#0f172a; --panel:#1e293b; --panel2:#273449; --line:#334155;
  --text:#e2e8f0; --muted:#94a3b8; --accent:#38bdf8; --ok:#22c55e; --err:#ef4444; --warn:#f59e0b;
}
*{box-sizing:border-box}
.u-hidden{display:none}
.err{color:var(--err)}
.ok{color:var(--ok)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}