.not-found-container{min-height:calc(100vh - 56px);padding:var(--spacing-2xl);background:linear-gradient(135deg,var(--color-bg)0%,var(--color-bg-alt)100%);justify-content:center;align-items:center;margin:0 auto;display:flex}.not-found-content{text-align:center;max-width:500px}.not-found-icon{margin-bottom:var(--spacing-xl);color:var(--color-primary-light)}.not-found-icon svg{animation:3s ease-in-out infinite float}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.not-found-title{font-family:var(--font-heading);color:var(--color-primary-dark);margin:0 0 var(--spacing-md)0;font-size:2rem}.not-found-text{color:var(--color-text);margin:0 0 var(--spacing-xl)0;font-size:1.1rem;line-height:1.6}.not-found-actions{gap:var(--spacing-md);margin-bottom:var(--spacing-xl);flex-wrap:wrap;justify-content:center;display:flex}.not-found-actions .btn{min-width:160px}.not-found-help{color:var(--color-text-light);margin:0;font-size:.875rem}@media (max-width:480px){.not-found-title{font-size:1.5rem}.not-found-text{font-size:1rem}.not-found-icon svg{width:80px;height:80px}.not-found-actions{flex-direction:column}.not-found-actions .btn{width:100%}}