:root{--emerald:#10b981;--emerald-dark:#059669;--emerald-light:#10b98126;--bg-light:#f9fafb;--bg-dark:#282c33;--card-dark:#111827;--text-light:#1f2937;--text-dark:#e5e7eb;--border-light:#e5e7eb;--border-dark:#1f2937;scroll-behavior:smooth}.error-page{text-align:center;background:radial-gradient(circle at center, var(--bg-light), var(--bg-dark));min-height:100vh;color:var(--text-light);flex-direction:column;justify-content:center;align-items:center;padding:2rem;transition:background .4s,color .4s;display:flex}.error-page--dark{background:radial-gradient(circle at center, var(--bg-dark), #1a1e24);color:var(--text-dark)}.error-page--light{color:var(--text-light);background:radial-gradient(circle,#fff,#f3f4f6)}.error-page__toggle{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);cursor:pointer;border:1px solid;border-radius:50%;justify-content:center;align-items:center;width:2.5rem;height:2.5rem;transition:all .3s;display:flex;position:absolute;top:1.5rem;right:1.5rem}body.dark .error-page__toggle{background:#ffffff05;border-color:#ffffff0f}.error-page__toggle{background:#00000005;border-color:#0000000f}.error-page__code{background:linear-gradient(45deg,#10b981,#059669);-webkit-text-fill-color:#0000;-webkit-background-clip:text;margin:0;font-size:clamp(6rem,20vw,12rem);font-weight:900}.error-page__title{color:inherit;margin-top:1rem;font-size:2rem}.error-page__message{max-width:30rem;color:var(--muted-dark);margin-top:.5rem}.error-page__button{color:#fff;background:#10b981;border-radius:16px;align-items:center;gap:.5rem;margin-top:1.5rem;padding:.75rem 1.5rem;text-decoration:none;transition:background .2s,transform .2s;display:inline-flex}.error-page__button:hover{background:#059669;transform:translateY(-2px)}body.dark .error-page__button{background:#059669}.error-page__icon{width:1rem;height:1rem}