.err-stage{min-height:calc(100dvh - var(--shell-header-h) - 40px);display:grid;place-items:center;padding:var(--s-8) var(--s-4);position:relative;overflow:hidden}.err-card{position:relative;width:100%;max-width:720px;text-align:center;z-index:2}.err-code{font-family:var(--display);font-size:clamp(140px,26vw,320px);line-height:.85;letter-spacing:-4px;color:var(--green);text-shadow:-3px 0 0 rgba(255,77,109,.5),3px 0 0 rgba(99,102,241,.5);margin:0;animation:err-glitch 4s steps(1) infinite;-webkit-user-select:none;user-select:none}@keyframes err-glitch{0%,92%,to{transform:translate(0)}93%{transform:translate(-2px,1px)}94%{transform:translate(2px,-1px);text-shadow:-3px 0 0 rgba(255,77,109,.8),3px 0 0 rgba(99,102,241,.8)}95%{transform:translate(0)}96%{transform:translate(1px,-2px)}97%{transform:translate(-1px,2px)}}.err-eyebrow{font-family:var(--ui);font-size:12px;letter-spacing:3px;text-transform:uppercase;color:var(--green);margin-bottom:var(--s-6);display:inline-flex;align-items:center;gap:8px}.err-title{font-family:var(--display);font-size:clamp(32px,5vw,52px);text-transform:uppercase;letter-spacing:.5px;margin:var(--s-2) 0;text-wrap:balance}.err-title .accent{color:var(--green)}.err-sub{color:var(--muted);max-width:50ch;margin:0 auto var(--s-5);line-height:1.6;font-size:15px}.err-cta{display:flex;gap:var(--s-3);justify-content:center;flex-wrap:wrap;margin-bottom:var(--s-6)}.err-search{display:flex;gap:8px;max-width:460px;margin:0 auto var(--s-6);background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-md);padding:8px;transition:border-color var(--t-fast),box-shadow var(--t-fast)}.err-search:focus-within{border-color:var(--green);box-shadow:0 0 0 3px #c8ff3d26}.err-search input{flex:1;background:transparent;border:0;color:var(--text);padding:8px 12px;font-family:inherit;font-size:14px;outline:none}.err-search input::placeholder{color:var(--muted-2)}.err-links{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--s-3);max-width:880px;margin:0 auto}.err-link{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-md);padding:14px;text-align:left;transition:border-color var(--t-fast),transform var(--t-fast),background var(--t-fast);display:flex;align-items:center;gap:10px}.err-link:hover{border-color:var(--green);transform:translateY(-2px);background:#c8ff3d0a}.err-link-ico{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:#c8ff3d1a;color:var(--green);flex-shrink:0}.err-link-name{font-family:var(--ui);font-size:12px;letter-spacing:1.5px}.err-link-desc{color:var(--muted);font-size:11px;margin-top:2px}.err-status{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:var(--muted);background:var(--bg-1);border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:var(--s-8)}.err-status .dot{width:8px;height:8px;border-radius:50%}.err-status.is-down .dot{background:var(--danger);box-shadow:0 0 10px var(--danger);animation:er-pulse 1.5s infinite}.err-status.is-degraded .dot{background:var(--warning)}.err-status.is-offline .dot{background:var(--muted)}@keyframes er-pulse{0%,to{opacity:1}50%{opacity:.4}}.err-retry{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:12px;color:var(--muted-2);margin-bottom:var(--s-3)}.err-retry-bar{width:120px;height:4px;background:var(--bg-2);border-radius:999px;overflow:hidden}.err-retry-fill{height:100%;background:var(--green);width:0%;transition:width 1s linear;box-shadow:0 0 10px var(--green)}.err-grid-bg{position:absolute;inset:0;z-index:0;background-image:linear-gradient(rgba(200,255,61,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(200,255,61,.04) 1px,transparent 1px);background-size:80px 80px;background-position:center;-webkit-mask-image:radial-gradient(circle at center,#000 30%,transparent 70%);mask-image:radial-gradient(circle at center,#000 30%,transparent 70%)}@media(max-width:640px){.err-stage{min-height:calc(100dvh - var(--shell-header-h) - var(--spacing-shell-bottom) - env(safe-area-inset-bottom,0px) - 16px);padding:var(--s-5) var(--s-3)}.err-code{font-size:clamp(96px,32vw,156px);letter-spacing:-2px}.err-title{font-size:clamp(24px,6.4vw,36px)}.err-sub{font-size:14px;margin-bottom:var(--s-4)}.err-search{flex-direction:column;padding:6px}.err-search input{width:100%;padding:10px 12px;font-size:16px}.err-search .btn{width:100%;justify-content:center}.err-cta{flex-direction:column;gap:var(--s-2);margin-bottom:var(--s-5)}.err-cta .btn{width:100%;justify-content:center}.err-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s-2)}.err-link{padding:12px}}@media(max-width:640px){.err-code{font-size:clamp(72px,26vw,120px)}}