.error-page{min-height:calc(100vh - var(--header-height, 80px) - var(--footer-height, 200px));display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl) var(--spacing-md);background:var(--bg-primary)}.error-page__container{max-width:600px;width:100%;text-align:center}.error-page__content{background:var(--bg-secondary);border-radius:var(--radius-xl);padding:var(--spacing-3xl);box-shadow:0 4px 20px var(--shadow-sm);border:1px solid var(--border-color)}.error-page__icon{margin-bottom:var(--spacing-xl);color:var(--text-secondary);opacity:.7;display:flex;justify-content:center}.error-page__icon--server{color:var(--error)}.error-page__heading{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--spacing-lg);line-height:1.2}.error-page__description{font-size:1.125rem;color:var(--text-secondary);margin-bottom:var(--spacing-xl);line-height:1.6}.error-page__suggestions{text-align:left;background:var(--bg-primary);border-radius:var(--radius-md);padding:var(--spacing-lg);margin-bottom:var(--spacing-xl);border:1px solid var(--border-color)}.error-page__suggestions h2{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:var(--spacing-md)}.error-page__suggestions ul{list-style:none;padding:0;margin:0}.error-page__suggestions li{padding:var(--spacing-sm) 0;color:var(--text-secondary);position:relative;padding-left:var(--spacing-lg)}.error-page__suggestions li:before{content:"→";position:absolute;left:0;color:var(--brand-accent);font-weight:700}[dir=rtl] .error-page__suggestions li:before{content:"←";right:0;left:auto}[dir=rtl] .error-page__suggestions li{padding-right:var(--spacing-lg);padding-left:0}.error-page__actions{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap;margin-bottom:var(--spacing-xl)}.error-page__button{display:inline-flex;align-items:center;justify-content:center;padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-md);font-weight:500;text-decoration:none;border:2px solid transparent;transition:all .3s ease;cursor:pointer;font-size:.9375rem;min-width:140px}.error-page__button--primary{background:var(--brand-accent);color:var(--bg-primary)}.error-page__button--primary:hover{background:var(--brand-accent-hover);transform:translateY(-2px)}.error-page__button--secondary{background:var(--bg-primary);color:var(--text-primary);border-color:var(--border-color)}.error-page__button--secondary:hover{background:var(--bg-accent);border-color:var(--brand-accent);transform:translateY(-2px)}.error-page__button--outline{background:transparent;color:var(--brand-accent);border-color:var(--brand-accent)}.error-page__button--outline:hover{background:var(--brand-accent);color:var(--bg-primary);transform:translateY(-2px)}.error-page__search{margin-top:var(--spacing-xl);padding-top:var(--spacing-xl);border-top:1px solid var(--border-color)}.error-page__search p{color:var(--text-secondary);margin-bottom:var(--spacing-md);font-size:.9375rem}.error-page__search-container{display:flex;max-width:400px;margin:0 auto;position:relative;background:var(--bg-primary);border-radius:var(--radius-md);border:2px solid var(--border-color);overflow:hidden;transition:border-color .3s ease}.error-page__search-container:focus-within{border-color:var(--brand-accent)}.error-page__search-input{flex:1;padding:var(--spacing-md);border:none;background:transparent;color:var(--text-primary);font-size:.9375rem;outline:none}.error-page__search-input::placeholder{color:var(--text-secondary);opacity:.7}.error-page__search-button{background:var(--brand-accent);color:var(--bg-primary);border:none;padding:var(--spacing-md);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background-color .3s ease}.error-page__search-button:hover{background:var(--brand-accent-hover)}.error-page__status{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--border-color);font-size:.875rem;color:var(--text-secondary);font-family:monospace}.error-page__status strong{color:var(--text-primary)}@media(max-width:768px){.error-page{padding:var(--spacing-lg) var(--spacing-md)}.error-page__content{padding:var(--spacing-xl)}.error-page__heading{font-size:2rem}.error-page__description{font-size:1rem}.error-page__actions{flex-direction:column;align-items:stretch}.error-page__button{width:100%;justify-content:center}.error-page__suggestions{text-align:center}.error-page__suggestions ul{text-align:left}}@media(max-width:480px){.error-page__content{padding:var(--spacing-lg)}.error-page__icon svg{width:80px;height:80px}.error-page__heading{font-size:1.75rem}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.error-page__icon svg{animation:pulse 2s ease-in-out infinite}@media(prefers-contrast:high){.error-page__content{border-width:2px}.error-page__button{border-width:3px}}@media(prefers-reduced-motion:reduce){.error-page__button{transition:none}.error-page__button:hover{transform:none}.error-page__icon svg{animation:none}}