.not-found-page{background:var(--bg-page);min-height:100vh;color:var(--text);font-family:Vazirmatn,sans-serif;position:relative;overflow:hidden}.not-found-header{z-index:2;border-bottom:1px solid var(--border);background:var(--glass);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1rem 0;position:relative}.not-found-brand{color:var(--text)}.not-found-main{z-index:1;align-items:center;min-height:calc(100vh - 78px);padding:3rem 0 4rem;display:flex;position:relative}.not-found-glow{z-index:0;pointer-events:none;background:radial-gradient(ellipse, var(--primary-soft) 0%, transparent 70%);opacity:.8;width:min(820px,120vw);height:min(560px,90vw);position:absolute;top:8%;left:50%;transform:translate(-50%)}.not-found-art{filter:drop-shadow(0 18px 28px #0284c72e);width:min(100%,440px);height:auto;margin:0 auto 1.5rem;display:block}.not-found-title{margin:0 0 .75rem;font-size:clamp(1.4rem,3vw,2.05rem);font-weight:800;line-height:1.7}.not-found-title span{color:var(--primary-text)}.not-found-description{max-width:520px;color:var(--text-muted);margin:0 auto;font-size:1rem;line-height:2}.not-found-actions{flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:2rem;display:flex}.not-found-links{border-top:1px solid var(--border);margin-top:3rem;padding-top:2rem}.not-found-links-title{color:var(--text-muted);margin:0 0 1rem;font-size:.95rem;font-weight:700}.not-found-chips{flex-wrap:wrap;justify-content:center;gap:.6rem;display:flex}.not-found-chip{color:var(--text);border:1px solid var(--border);background:var(--surface);border-radius:999px;align-items:center;gap:.45rem;padding:.5rem .95rem;font-size:.88rem;font-weight:600;text-decoration:none;transition:border-color .2s,background-color .2s,color .2s;display:inline-flex}.not-found-chip:hover,.not-found-chip:focus-visible,.not-found-chip-accent{color:var(--primary-text);border-color:var(--primary-border);background:var(--primary-soft)}@media (max-width:575.98px){.not-found-main{padding:2rem 0 3rem}.not-found-actions{flex-direction:column;align-items:stretch}}:root[data-theme=dark] .not-found-glow{opacity:.35}:root[data-theme=dark] .not-found-art{filter:drop-shadow(0 18px 30px #00000073)}