.error-page {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 100px 20px 20px 20px;
}

.error-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.error-icon {
    font-size: 60px;
    color: #667eea;
    margin-bottom: 20px;
}

.error-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.error-description {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    line-height: 1.6;
}

.btn-back {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-back:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
    color: white;
}

@media (max-width: 768px) {
    .error-page {
        padding: 80px 15px 15px 15px;
    }
    
    .error-container {
        padding: 30px 20px;
    }
    
    .error-title {
        font-size: 24px;
    }
    
    .error-icon {
        font-size: 50px;
    }
}