:root{
  --bg:#06170f;
  --panel:#082018;
  --panel2:#0a251c;
  --line:#123c2e;
  --green:#0f8b64;
  --green2:#16a77a;
  --gold:#d8ad2f;
  --text:#f5f3ea;
  --muted:#90a99e;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Arial,Tahoma,sans-serif}
body{min-height:100vh;display:grid;place-items:center;padding:24px;direction:rtl}
.gv-error-shell{width:min(860px,100%);border:1px solid var(--line);border-radius:24px;background:linear-gradient(180deg,var(--panel),#061a12);overflow:hidden;box-shadow:0 24px 80px rgba(0,0,0,.28)}
.gv-error-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 26px;border-bottom:1px solid var(--line)}
.gv-error-logo{width:min(240px,48vw);height:auto;display:block}
.gv-error-dot{width:12px;height:12px;border-radius:50%;background:var(--green2);box-shadow:0 0 0 7px rgba(22,167,122,.08)}
.gv-error-body{padding:46px 34px 38px;text-align:center}
.gv-error-code{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid #5e5118;border-radius:999px;background:#1b1a0c;color:#f2c743;font-weight:700;font-size:13px}
h1{margin:22px 0 10px;font-size:clamp(28px,5vw,46px);line-height:1.25}
.gv-accent{width:74px;height:3px;margin:0 auto 20px;border-radius:8px;background:linear-gradient(90deg,var(--gold),var(--green2))}
p{margin:0 auto;max-width:650px;color:var(--muted);font-size:16px;line-height:1.95}
.gv-error-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:28px}
.gv-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:12px;text-decoration:none;font-weight:700;border:1px solid var(--line);color:var(--text);background:var(--panel2)}
.gv-btn.primary{background:var(--gold);border-color:var(--gold);color:#171302}
.gv-error-foot{padding:16px 24px;border-top:1px solid var(--line);text-align:center;color:#6f8c7f;font-size:12px}
@media(max-width:640px){
  body{padding:14px}
  .gv-error-head{padding:18px}
  .gv-error-body{padding:34px 20px 30px}
  .gv-error-logo{width:200px}
}