.not-found-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a2e,#16213e);padding:20px}.not-found-content{text-align:center;max-width:500px}.error-code{font-size:120px;font-weight:800;background:linear-gradient(135deg,#437FFF,#7B68EE);-webkit-background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0);background-clip:text;margin:0;line-height:1;text-shadow:0 0 40px rgba(67,127,255,.3)}.error-title{font-size:28px;font-weight:600;color:#fff;margin:20px 0 12px}.error-description{font-size:16px;color:#949aa7;margin:0 0 32px;line-height:1.6}.back-home-btn{display:inline-block;padding:14px 40px;background:linear-gradient(135deg,#437FFF,#5B8DEF);color:#fff;font-size:16px;font-weight:500;border-radius:12px;text-decoration:none;transition:all .3s ease;box-shadow:0 4px 20px rgba(67,127,255,.3)}.back-home-btn:hover{box-shadow:0 6px 30px rgba(67,127,255,.4)}.back-home-btn:active{transform:translateY(0)}@media(max-width:480px){.error-code{font-size:80px}.error-title{font-size:22px}.error-description{font-size:14px}}