.not-found-page{align-items:center;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);display:flex;min-height:80vh;padding:4rem 0}.not-found-content{background:#fff;border:1px solid #e9ecef;border-radius:16px;box-shadow:0 20px 40px rgba(0,0,0,.1);padding:3rem}.error-code{color:#7c3aed;font-size:8rem;font-weight:900;line-height:1;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,.1)}.error-title{color:#333;font-size:2.5rem;font-weight:700;margin-bottom:1rem}.error-description{color:#666;font-size:1.2rem;line-height:1.6;margin-bottom:2rem}.error-actions{margin-bottom:2rem}.btn-primary{background-color:#7c3aed;border-color:#7c3aed;border-radius:8px;color:#fff;font-weight:600;padding:12px 30px;transition:all .3s ease}.btn-primary:hover{background-color:#6d28d9;border-color:#6d28d9;box-shadow:0 4px 12px rgba(255,215,0,.3);-webkit-transform:translateY(-2px);transform:translateY(-2px)}.btn-outline-primary{border-color:#7c3aed;border-radius:8px;color:#333;font-weight:600;padding:12px 30px;transition:all .3s ease}.btn-outline-primary:hover{background-color:#7c3aed;border-color:#7c3aed;box-shadow:0 4px 12px rgba(255,215,0,.3);color:#fff;-webkit-transform:translateY(-2px);transform:translateY(-2px)}.help-section{background:#f8f9fa;border:1px solid #e9ecef;border-radius:12px;padding:2rem}.help-section h3{color:#333;font-size:1.5rem;margin-bottom:1rem}.help-section p{color:#666;margin-bottom:1rem}.contact-info p{align-items:center;color:#333;display:flex;font-weight:500;justify-content:center;margin-bottom:.5rem}.contact-info i{color:#7c3aed;font-size:1.1rem}@media (max-width:768px){.not-found-page{padding:2rem 0}.not-found-page .container{max-width:100%;padding-left:16px;padding-right:16px}.not-found-content{margin:0 0 1rem;padding:2rem 1rem}.error-code{font-size:6rem}.error-title{font-size:2rem}.error-description{font-size:1.1rem}.error-actions{flex-direction:column;gap:1rem}.btn-lg{width:100%}.help-section{padding:1.5rem}}@media (max-width:576px){.error-code{font-size:4rem}.error-title{font-size:1.8rem}.contact-info p{font-size:.9rem}}