.not-found-container{background:linear-gradient(135deg, var(--color-primary-bg) 0%, #dbeafe 100%);width:100vw;min-height:100vh;padding:24px}.not-found-card{width:100%;max-width:440px;padding:40px var(--spacing-lg);text-align:center;background-color:var(--color-secondary-bg);box-shadow:var(--shadow-xl);border-radius:var(--radius-md)}.icon-wrapper{width:80px;height:80px;color:var(--color-error);background-color:#e21c3d1a;border-radius:50%;margin:0 auto 24px}h1{color:var(--color-primary-text);margin:0 0 12px;font-size:1.6rem;font-weight:800}p{color:var(--color-secondary-text);margin:0 0 32px;font-size:.95rem;line-height:1.5}.actions{gap:12px}