.app-loader{position:fixed;inset:0;z-index:2000;display:grid;place-items:center;padding:20px;background:rgba(21,36,31,.48);backdrop-filter:blur(7px);opacity:0;visibility:hidden;transition:.18s}.app-loader.is-visible{opacity:1;visibility:visible}.app-loader-card{width:min(340px,100%);display:grid;justify-items:center;gap:12px;padding:34px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 28px 80px rgba(15,35,27,.22);text-align:center}.loader-brand-mark{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:#fff;font:700 16px Georgia,serif}.app-loader-ring{display:flex;gap:6px;margin:5px}.app-loader-ring i{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:loaderPulse 1s infinite ease-in-out}.app-loader-ring i:nth-child(2){animation-delay:.14s}.app-loader-ring i:nth-child(3){animation-delay:.28s}.app-loader-card span{color:var(--muted);font-size:.9rem}@keyframes loaderPulse{0%,80%,100%{transform:scale(.65);opacity:.35}40%{transform:scale(1);opacity:1}}.system-page{max-width:760px;min-height:68vh;margin:auto;padding:90px 24px;text-align:center}.system-page h1{font-size:clamp(2.6rem,6vw,4.6rem);margin:18px 0}.system-copy{max-width:600px;margin:0 auto 28px;color:var(--muted);font-size:1.05rem;line-height:1.75}.system-visual{position:relative;width:112px;height:112px;display:grid;place-items:center;margin:0 auto 28px;border-radius:34px;background:#f7e9e5;color:#a4422f;font-size:32px;font-weight:800}.system-visual i{position:absolute;inset:-10px;border:2px solid rgba(23,107,75,.18);border-radius:42px}.system-visual i:last-child{inset:-22px;opacity:.5}.notfound-visual{background:var(--mint);color:var(--ink)}.system-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.request-reference,.technical-details{max-width:620px;margin:28px auto 0;padding:18px;border:1px solid var(--line);border-radius:10px;background:#fff;text-align:left}.request-reference span,.request-reference small{display:block;color:var(--muted);font-size:.8rem}.request-reference code{display:block;margin:5px 0;overflow-wrap:anywhere}.technical-details dl{display:grid;grid-template-columns:90px 1fr;gap:8px}.technical-details dd{margin:0;overflow-wrap:anywhere}@media(prefers-reduced-motion:reduce){.app-loader-ring i{animation:none}.app-loader{transition:none}}