.error-page{background:radial-gradient(circle at 50% 0%,var(--accent-pink-15)0%,var(--bg-primary)50%),var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow:hidden}.error-page:before{content:"";background:radial-gradient(circle,var(--indigo-15)0%,transparent 70%);pointer-events:none;width:100%;height:100%;position:absolute;top:-50%;left:50%;transform:translate(-50%)}.error-container{z-index:1;text-align:center;max-width:640px;padding:40px;position:relative}.error-icon{opacity:.8;margin-bottom:24px;font-size:4rem;animation:3s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.error-code{background:var(--gradient-primary);-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;margin-bottom:24px;font-size:clamp(5rem,15vw,11.25rem);font-weight:800;line-height:1}.error-title{color:var(--text-primary);font-size:clamp(1.5rem,4vw,2.5rem);font-weight:700;line-height:var(--leading-snug);margin-bottom:1rem}.error-description{color:var(--text-secondary);font-size:1.125rem;line-height:var(--leading-relaxed);margin-bottom:40px}.error-actions{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.btn-home{background:linear-gradient(135deg,var(--accent-pink)0%,var(--accent-purple)100%);color:var(--color-white);font-weight:700;font-size:var(--wpai-text-base);transition:all var(--transition-base);box-shadow:0 4px 16px var(--accent-pink-30);border-radius:12px;align-items:center;gap:8px;padding:16px 32px;text-decoration:none;display:inline-flex}.btn-home:hover{box-shadow:0 8px 24px var(--accent-pink-40);transform:translateY(-2px)}.btn-back{background:var(--bg-elevated);border:1px solid var(--border-default);color:var(--text-primary);font-weight:600;font-size:var(--wpai-text-base);transition:all var(--transition-base);cursor:pointer;border-radius:12px;align-items:center;gap:8px;padding:16px 32px;text-decoration:none;display:inline-flex}.btn-back:hover{background:var(--bg-tertiary);border-color:var(--accent-pink);transform:translateY(-2px)}.error-hint{border-top:1px solid var(--border-default);color:var(--text-muted);margin-top:32px;padding-top:32px;font-size:.875rem}.error-hint a{color:var(--accent-pink);transition:color var(--transition-base);font-weight:600;text-decoration:none}.error-hint a:hover{color:var(--accent-pink-dark)}@media (max-width:768px){.error-container{padding:24px}.error-description{font-size:1rem}.error-actions{flex-direction:column}}