@keyframes errUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes errGlow{0%,to{opacity:.5;transform:translate(-50%,-50%) scale(1)}50%{opacity:.82;transform:translate(-50%,-50%) scale(1.06)}}@keyframes errScan{0%{transform:translateY(-16px);opacity:0}18%{opacity:.85}82%{opacity:.85}to{transform:translateY(184px);opacity:0}}@keyframes errPulseDim{0%,to{opacity:.4}50%{opacity:1}}@keyframes errSpark{0%{opacity:0;transform:translateY(0) scale(.5)}14%{opacity:1}to{opacity:0;transform:translateY(-118px) scale(.3)}}.err-glow{position:absolute;left:50%;top:33%;width:520px;height:520px;border-radius:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,var(--acc-glow),transparent 62%);filter:blur(6px);opacity:.6;pointer-events:none;animation:errGlow 7s ease-in-out infinite}.err-code-wrap{position:relative;overflow:hidden;padding:0 6px}.err-code{font-family:var(--font-display);font-weight:800;font-size:clamp(96px,18vw,172px);line-height:.9;letter-spacing:-.045em;color:var(--ink);background:linear-gradient(176deg,var(--ink),color-mix(in srgb,var(--ink) 78%,var(--acc)));-webkit-background-clip:text;background-clip:text}.err-scan{position:absolute;left:-8%;right:-8%;top:-6px;height:16px;background:linear-gradient(180deg,transparent,var(--acc-glow),transparent);filter:blur(2px);pointer-events:none;animation:errScan 3.6s ease-in-out infinite}.err-flatline{display:block;margin-top:12px}.err-eyebrow{font-family:var(--font-sans);font-weight:600;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--acc)}.err-title{margin:10px 0 0;font-family:var(--font-display);font-weight:800;font-size:clamp(26px,3.4vw,36px);line-height:1.06;letter-spacing:-.025em;color:var(--ink)}.err-body{margin:12px auto 0;max-width:430px;font-family:var(--font-sans);font-size:14.5px;line-height:1.6;color:var(--muted)}.err-detail{margin:14px auto 0;display:inline-block;max-width:100%;overflow-x:auto;white-space:nowrap;padding:6px 12px;border-radius:8px;border:1px solid var(--line);background:var(--inset);font-size:11.5px;color:var(--muted)}@media (prefers-reduced-motion:reduce){.err-flatline .err-lost-dot,.err-glow,.err-scan{animation:none!important}}