.not-found-controls{top:var(--spacing-lg);right:var(--spacing-lg);gap:var(--spacing-sm);z-index:10;display:flex;position:absolute}.not-found-container{min-height:100vh;padding:var(--spacing-xl);background:linear-gradient(135deg,var(--color-background)0%,var(--color-background-secondary)100%);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.not-found-container:before{content:"";pointer-events:none;background:radial-gradient(circle,#8bea7c1a 0%,#0000 70%);position:absolute;inset:0}.not-found-card{z-index:1;justify-content:center;align-items:center;width:100%;max-width:900px;height:600px;display:flex;position:relative}.not-found-content{text-align:center;max-width:800px;margin:0 auto}.not-found-code{margin-bottom:var(--spacing-2xl);position:relative}.not-found-code__text{font-family:var(--font-heading);background:linear-gradient(135deg,var(--color-primary)0%,var(--color-secondary)100%);-webkit-text-fill-color:transparent;filter:drop-shadow(0 4px 8px #8bea7c33);-webkit-background-clip:text;background-clip:text;font-size:10rem;font-weight:700;line-height:1;animation:3s ease-in-out infinite float;display:inline-block}.not-found-code__decoration{background:var(--color-primary);opacity:.1;border-radius:var(--border-radius-full);filter:blur(60px);z-index:-1;width:200px;height:200px;animation:2s ease-in-out infinite pulse;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.not-found-title{font-size:var(--font-size-3xl);font-weight:var(--font-bold);color:var(--color-text-primary);margin-bottom:var(--spacing-md);background:linear-gradient(135deg,var(--color-text-primary)0%,var(--color-primary)100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.not-found-description{font-size:var(--font-size-lg);color:var(--color-text-body);margin-bottom:var(--spacing-2xl);line-height:1.6}.not-found-actions{gap:var(--spacing-md);flex-wrap:wrap;justify-content:center;display:flex}.not-found-actions a{text-decoration:none}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes pulse{0%,to{opacity:.1;transform:translate(-50%,-50%)scale(1)}50%{opacity:.2;transform:translate(-50%,-50%)scale(1.1)}}.dark .not-found-container,[data-theme=dark] .not-found-container{background:linear-gradient(135deg,var(--color-background)0%,var(--color-background-secondary)100%)}.dark .not-found-container:before,[data-theme=dark] .not-found-container:before{background:radial-gradient(circle,#8bea7c26 0%,#0000 70%)}.dark .not-found-code__text,[data-theme=dark] .not-found-code__text{background:linear-gradient(135deg,var(--color-primary)0%,#8bea7ccc 100%);-webkit-text-fill-color:transparent;filter:drop-shadow(0 4px 8px #8bea7c4d);-webkit-background-clip:text;background-clip:text}.dark .not-found-code__decoration,[data-theme=dark] .not-found-code__decoration{opacity:.15}.dark .not-found-title,[data-theme=dark] .not-found-title{background:linear-gradient(135deg,var(--color-text-secondary)0%,var(--color-primary)100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.dark .not-found-description,[data-theme=dark] .not-found-description{color:var(--color-text-body)}@media (max-width:768px){.not-found-container{padding:var(--spacing-md)}.not-found-code__text{font-size:6rem}.not-found-title{font-size:var(--font-size-2xl)}.not-found-description{font-size:var(--font-size-base)}.not-found-actions{flex-direction:column}.not-found-actions a{width:100%}}