body {
    background: linear-gradient(135deg, #118AB2 0%, #4A9BC7 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}
.error-container {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(17, 138, 178, 0.3);
    padding: 3rem;
    max-width: 500px;
    width: 100%;
    text-align: center;
}
.error-icon {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}
.error-code {
    font-size: 4rem;
    font-weight: 700;
    color: #118AB2;
    margin-bottom: 0.5rem;
    line-height: 1;
}
.error-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
}
.error-message {
    color: #718096;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}
.error-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #118AB2 0%, #4A9BC7 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}
.error-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(17, 138, 178, 0.4);
    color: white;
    text-decoration: none;
}
.error-image {
    max-width: 300px;
    width: 100%;
    height: auto;
    margin: 0 auto 2rem;
}
@media (max-width: 576px) {
    .error-container {
        padding: 2rem 1.5rem;
        margin: 1rem;
    }
    .error-code {
        font-size: 3rem;
    }
    .error-icon {
        font-size: 4rem;
    }
}