.not-found-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--spacing-xl);background:linear-gradient(135deg,var(--color-bg-primary) 0%,var(--color-bg-secondary) 100%);text-align:center}.not-found-container.dark{background:linear-gradient(135deg,var(--color-bg-secondary) 0%,var(--color-bg-primary) 100%)}.not-found-content{max-width:600px;animation:fadeIn .6s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.not-found-illustration{position:relative;margin-bottom:var(--spacing-xl)}.not-found-robot{font-size:6rem;color:var(--color-primary);animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}.not-found-bubble{position:absolute;top:-20px;right:-30px;background:var(--color-bg-primary);border:2px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-md) var(--spacing-lg);max-width:250px;box-shadow:var(--shadow-md);animation:pulse 2s ease-in-out infinite}.dark .not-found-bubble{background:var(--color-bg-secondary);border-color:var(--color-border)}.not-found-bubble:after{content:"";position:absolute;bottom:-10px;left:30px;width:0;height:0;border-left:10px solid transparent;border-right:10px solid transparent;border-top:10px solid var(--color-bg-primary)}.dark .not-found-bubble:after{border-top-color:var(--color-bg-secondary)}.not-found-bubble p{margin:0;font-size:.875rem;color:var(--color-text-secondary);font-style:italic}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}.not-found-code{font-size:8rem;font-weight:800;color:var(--color-primary);line-height:1;margin:0;text-shadow:3px 3px 0 var(--color-primary-light)}.dark .not-found-code{text-shadow:3px 3px 0 var(--color-primary-light)}.not-found-title{font-size:2rem;color:var(--color-text-primary);margin:var(--spacing-md) 0}.not-found-description{font-size:1.125rem;color:var(--color-text-secondary);margin-bottom:var(--spacing-xl);line-height:1.6}.not-found-actions{display:flex;gap:var(--spacing-md);justify-content:center;margin-bottom:var(--spacing-2xl);flex-wrap:wrap}.not-found-actions .btn{display:flex;align-items:center;gap:var(--spacing-sm)}.not-found-actions .btn svg{font-size:1rem}.suggestion-links{display:flex;gap:var(--spacing-md);justify-content:center;flex-wrap:wrap}.suggestion-links a{display:inline-flex;align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.875rem;color:var(--color-text-secondary);transition:all var(--transition-normal)}.dark .suggestion-links a{background:var(--color-bg-secondary)}.suggestion-links a:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary);transform:translateY(-2px)}.not-found-footer{margin-top:var(--spacing-2xl);color:var(--color-text-muted);font-size:.875rem}@media(max-width:768px){.not-found-code{font-size:5rem}.not-found-title{font-size:1.5rem}.not-found-description{font-size:1rem}.not-found-robot{font-size:4rem}.not-found-bubble{max-width:180px;padding:var(--spacing-sm) var(--spacing-md)}.not-found-bubble p{font-size:.75rem}.not-found-actions{flex-direction:column}.not-found-actions .btn{width:100%;justify-content:center}}@media(max-width:480px){.not-found-container{padding:var(--spacing-md)}.not-found-code{font-size:4rem}.not-found-robot{font-size:3rem}.not-found-bubble{right:-10px;max-width:150px}.suggestion-links{flex-direction:column}}