.error-container{height:100vh;display:flex;justify-content:center;align-items:center;background-color:#f8f9fa}.error-card{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 10px rgba(0,0,0,.1);text-align:center;max-width:400px}.error-icon{color:#f44336;width:60px;height:60px;margin:1rem auto}.error-text h2{font-size:1.5rem;font-weight:700;color:#333}.error-text p{color:#555;margin:.5rem 0}.error-button{margin-top:1rem;background-color:#f55;color:#fff}